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Code Actions Packages Releases Activity
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psychojs/docs/visual_FaceDetector.js.html
Alain Pitiot 858bbb067c improved survey stimulus
2022-09-12 13:20:16 +02:00

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<title>visual/FaceDetector.js - PsychoJS API</title>
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<h2><a href="index.html">Home</a></h2><h2><a href="https://psychopy.org" target="_blank" class="menu-item" id="website_link" >Project Website</a></h2><h2><a href="https://discourse.psychopy.org/" target="_blank" class="menu-item" id="forum_link" >Forum</a></h2><h2><a href="https://github.com/psychopy/psychojs" target="_blank" class="menu-item" id="github_link" >Github</a></h2><h3>Modules</h3><ul><li><a href="module-core.html">core</a></li><li><a href="module-data.html">data</a></li><li><a href="module-sound.html">sound</a></li><li><a href="module-util.html">util</a><ul class='methods'><li data-type='method'><a href="module-util.html#~_match">_match</a></li></ul></li><li></li><li><a href="module-visual.html">visual</a></li></ul><h3>Classes</h3><ul><li><a href="AudioClip.html">AudioClip</a><ul class='methods'><li data-type='method'><a href="AudioClip.html#_base64ArrayBuffer">_base64ArrayBuffer</a></li><li data-type='method'><a href="AudioClip.html#_decodeAudio">_decodeAudio</a></li><li data-type='method'><a href="AudioClip.html#_GoogleTranscribe">_GoogleTranscribe</a></li><li data-type='method'><a href="AudioClip.html#download">download</a></li><li data-type='method'><a href="AudioClip.html#getDuration">getDuration</a></li><li data-type='method'><a href="AudioClip.html#setVolume">setVolume</a></li><li data-type='method'><a href="AudioClip.html#startPlayback">startPlayback</a></li><li data-type='method'><a href="AudioClip.html#stopPlayback">stopPlayback</a></li><li data-type='method'><a href="AudioClip.html#transcribe">transcribe</a></li><li data-type='method'><a href="AudioClip.html#upload">upload</a></li></ul></li><li><a href="AudioClipPlayer.html">AudioClipPlayer</a><ul class='methods'><li data-type='method'><a href="AudioClipPlayer.html#getDuration">getDuration</a></li><li data-type='method'><a href="AudioClipPlayer.html#play">play</a></li><li data-type='method'><a href="AudioClipPlayer.html#setDuration">setDuration</a></li><li data-type='method'><a href="AudioClipPlayer.html#setLoops">setLoops</a></li><li data-type='method'><a href="AudioClipPlayer.html#setVolume">setVolume</a></li><li data-type='method'><a href="AudioClipPlayer.html#stop">stop</a></li></ul></li><li><a href="BuilderKeyResponse.html">BuilderKeyResponse</a></li><li><a href="ButtonStim.html">ButtonStim</a><ul class='methods'><li data-type='method'><a href="ButtonStim.html#_addEventListeners">_addEventListeners</a></li><li data-type='method'><a href="ButtonStim.html#_estimateBoundingBox">_estimateBoundingBox</a></li><li data-type='method'><a href="ButtonStim.html#_getAnchor">_getAnchor</a></li><li data-type='method'><a href="ButtonStim.html#_getDefaultLetterHeight">_getDefaultLetterHeight</a></li><li data-type='method'><a href="ButtonStim.html#_getTextInputOptions">_getTextInputOptions</a></li><li data-type='method'><a href="ButtonStim.html#_updateIfNeeded">_updateIfNeeded</a></li><li data-type='method'><a href="ButtonStim.html#clear">clear</a></li><li data-type='method'><a href="ButtonStim.html#getText">getText</a></li><li data-type='method'><a href="ButtonStim.html#reset">reset</a></li><li data-type='method'><a href="ButtonStim.html#setAlignment">setAlignment</a></li><li data-type='method'><a href="ButtonStim.html#setAnchor">setAnchor</a></li><li data-type='method'><a href="ButtonStim.html#setBorderColor">setBorderColor</a></li><li data-type='method'><a href="ButtonStim.html#setColor">setColor</a></li><li data-type='method'><a href="ButtonStim.html#setFillColor">setFillColor</a></li><li data-type='method'><a href="ButtonStim.html#setFitToContent">setFitToContent</a></li><li data-type='method'><a href="ButtonStim.html#setFont">setFont</a></li><li data-type='method'><a href="ButtonStim.html#setLanguageStyle">setLanguageStyle</a></li><li data-type='method'><a href="ButtonStim.html#setLetterHeight">setLetterHeight</a></li><li data-type='method'><a href="ButtonStim.html#setSize">setSize</a></li><li data-type='method'><a href="ButtonStim.html#setText">setText</a></li></ul></li><li><a href="Clock.html">Clock</a><ul class='methods'><li data-type='method'><a href="Clock.html#add">add</a></li><li data-type='method'><a href="Clock.html#getLastResetTime">getLastResetTime</a></li><li data-type='method'><a href="Clock.html#getTime">getTime</a></li><li data-type='method'><a href="Clock.html#reset">reset</a></li></ul></li><li><a href="Color.html">Color</a><ul class='methods'><li data-type='method'><a href="Color.html#toString">toString</a></li></ul></li><li><a href="CountdownTimer.html">CountdownTimer</a><ul class='methods'><li data-type='method'><a href="CountdownTimer.html#add">add</a></li><li data-type='method'><a href="CountdownTimer.html#getLastResetTime">getLastResetTime</a></li><li data-type='method'><a href="CountdownTimer.html#getTime">getTime</a></li><li data-type='method'><a href="CountdownTimer.html#reset">reset</a></li></ul></li><li><a href="EventEmitter.html">EventEmitter</a><ul class='methods'><li data-type='method'><a href="EventEmitter.html#emit">emit</a></li><li data-type='method'><a href="EventEmitter.html#off">off</a></li><li data-type='method'><a href="EventEmitter.html#on">on</a></li><li data-type='method'><a href="EventEmitter.html#once">once</a></li></ul></li><li><a href="EventManager.html">EventManager</a><ul class='methods'><li data-type='method'><a href="EventManager.html#_addKeyListeners">_addKeyListeners</a></li><li data-type='method'><a href="EventManager.html#addMouseListeners">addMouseListeners</a></li><li data-type='method'><a href="EventManager.html#clearEvents">clearEvents</a></li><li data-type='method'><a href="EventManager.html#clearKeys">clearKeys</a></li><li data-type='method'><a href="EventManager.html#getKeys">getKeys</a></li><li data-type='method'><a href="EventManager.html#getMouseInfo">getMouseInfo</a></li><li data-type='method'><a href="EventManager.html#resetMoveClock">resetMoveClock</a></li><li data-type='method'><a href="EventManager.html#startMoveClock">startMoveClock</a></li><li data-type='method'><a href="EventManager.html#stopMoveClock">stopMoveClock</a></li></ul></li><li><a href="ExperimentHandler.html">ExperimentHandler</a><ul class='methods'><li data-type='method'><a href="ExperimentHandler.html#addData">addData</a></li><li data-type='method'><a href="ExperimentHandler.html#addLoop">addLoop</a></li><li data-type='method'><a href="ExperimentHandler.html#isEntryEmpty">isEntryEmpty</a></li><li data-type='method'><a href="ExperimentHandler.html#nextEntry">nextEntry</a></li><li data-type='method'><a href="ExperimentHandler.html#removeLoop">removeLoop</a></li><li data-type='method'><a href="ExperimentHandler.html#save">save</a></li></ul></li><li><a href="FaceDetector.html">FaceDetector</a><ul class='methods'><li data-type='method'><a href="FaceDetector.html#_estimateBoundingBox">_estimateBoundingBox</a></li><li data-type='method'><a href="FaceDetector.html#_initFaceApi">_initFaceApi</a></li><li data-type='method'><a href="FaceDetector.html#_updateIfNeeded">_updateIfNeeded</a></li><li data-type='method'><a href="FaceDetector.html#isReady">isReady</a></li><li data-type='method'><a href="FaceDetector.html#setInput">setInput</a></li><li data-type='method'><a href="FaceDetector.html#start">start</a></li><li data-type='method'><a href="FaceDetector.html#stop">stop</a></li></ul></li><li><a href="Form.html">Form</a><ul class='methods'><li data-type='method'><a href="Form.html#_estimateBoundingBox">_estimateBoundingBox</a></li><li data-type='method'><a href="Form.html#_getBoundingBox_px">_getBoundingBox_px</a></li><li data-type='method'><a href="Form.html#_importItems">_importItems</a></li><li data-type='method'><a href="Form.html#_onChange">_onChange</a></li><li data-type='method'><a href="Form.html#_processItems">_processItems</a></li><li data-type='method'><a href="Form.html#_sanitizeItems">_sanitizeItems</a></li><li data-type='method'><a href="Form.html#_setupStimuli">_setupStimuli</a></li><li data-type='method'><a href="Form.html#_updateDecorations">_updateDecorations</a></li><li data-type='method'><a href="Form.html#_updateIfNeeded">_updateIfNeeded</a></li><li data-type='method'><a href="Form.html#_updateVisibleStimuli">_updateVisibleStimuli</a></li><li data-type='method'><a href="Form.html#addDataToExp">addDataToExp</a></li><li data-type='method'><a href="Form.html#contains">contains</a></li><li data-type='method'><a href="Form.html#draw">draw</a></li><li data-type='method'><a href="Form.html#formComplete">formComplete</a></li><li data-type='method'><a href="Form.html#getData">getData</a></li><li data-type='method'><a href="Form.html#hide">hide</a></li><li data-type='method'><a href="Form.html#refresh">refresh</a></li><li data-type='method'><a href="Form.html#release">release</a></li><li data-type='method'><a href="Form.html#reset">reset</a></li><li data-type='method'><a href="Form.html#setAutoDraw">setAutoDraw</a></li><li data-type='method'><a href="Form.html#setDepth">setDepth</a></li><li data-type='method'><a href="Form.html#setOri">setOri</a></li><li data-type='method'><a href="Form.html#setPos">setPos</a></li><li data-type='method'><a href="Form.html#setSize">setSize</a></li></ul></li><li><a href="GratingStim.html">GratingStim</a><ul class='methods'><li data-type='method'><a href="GratingStim.html#_estimateBoundingBox">_estimateBoundingBox</a></li><li data-type='method'><a href="GratingStim.html#_getDisplaySize">_getDisplaySize</a></li><li data-type='method'><a href="GratingStim.html#_getPixiMeshFromPredefinedShaders">_getPixiMeshFromPredefinedShaders</a></li><li data-type='method'><a href="GratingStim.html#_updateIfNeeded">_updateIfNeeded</a></li><li data-type='method'><a href="GratingStim.html#setBlendmode">setBlendmode</a></li><li data-type='method'><a href="GratingStim.html#setColor">setColor</a></li><li data-type='method'><a href="GratingStim.html#setColorSpace">setColorSpace</a></li><li data-type='method'><a href="GratingStim.html#setInterpolate">setInterpolate</a></li><li data-type='method'><a href="GratingStim.html#setMask">setMask</a></li><li data-type='method'><a href="GratingStim.html#setOpacity">setOpacity</a></li><li data-type='method'><a href="GratingStim.html#setPhase">setPhase</a></li><li data-type='method'><a href="GratingStim.html#setSF">setSF</a></li><li data-type='method'><a href="GratingStim.html#setTex">setTex</a></li></ul></li><li><a href="GUI.html">GUI</a><ul class='methods'><li data-type='method'><a href="GUI.html#_onCancelExperiment">_onCancelExperiment</a></li><li data-type='method'><a href="GUI.html#_onResourceEvents">_onResourceEvents</a></li><li data-type='method'><a href="GUI.html#_onStartExperiment">_onStartExperiment</a></li><li data-type='method'><a href="GUI.html#_setProgressMessage">_setProgressMessage</a></li><li data-type='method'><a href="GUI.html#_updateDialog">_updateDialog</a></li><li data-type='method'><a href="GUI.html#_updateProgressBar">_updateProgressBar</a></li><li data-type='method'><a href="GUI.html#_userFriendlyError">_userFriendlyError</a></li><li data-type='method'><a href="GUI.html#closeDialog">closeDialog</a></li><li data-type='method'><a href="GUI.html#dialog">dialog</a></li><li data-type='method'><a href="GUI.html#DlgFromDict">DlgFromDict</a></li><li data-type='method'><a href="GUI.html#finishDialog">finishDialog</a></li></ul></li><li><a href="ImageStim.html">ImageStim</a><ul class='methods'><li data-type='method'><a href="ImageStim.html#_estimateBoundingBox">_estimateBoundingBox</a></li><li data-type='method'><a href="ImageStim.html#_getDisplaySize">_getDisplaySize</a></li><li data-type='method'><a href="ImageStim.html#_updateIfNeeded">_updateIfNeeded</a></li><li data-type='method'><a href="ImageStim.html#setImage">setImage</a></li><li data-type='method'><a href="ImageStim.html#setInterpolate">setInterpolate</a></li><li data-type='method'><a href="ImageStim.html#setMask">setMask</a></li></ul></li><li><a href="Keyboard.html">Keyboard</a><ul class='methods'><li data-type='method'><a href="Keyboard.html#_addKeyListeners">_addKeyListeners</a></li><li data-type='method'><a href="Keyboard.html#clearEvents">clearEvents</a></li><li data-type='method'><a href="Keyboard.html#getEvents">getEvents</a></li><li data-type='method'><a href="Keyboard.html#getKeys">getKeys</a></li><li data-type='method'><a href="Keyboard.html#start">start</a></li><li data-type='method'><a href="Keyboard.html#stop">stop</a></li></ul></li><li><a href="KeyPress.html">KeyPress</a></li><li><a href="Logger.html">Logger</a><ul class='methods'><li data-type='method'><a href="Logger.html#_customConsoleLayout">_customConsoleLayout</a></li><li data-type='method'><a href="Logger.html#_getValue">_getValue</a></li><li data-type='method'><a href="Logger.html#_throttle">_throttle</a></li><li data-type='method'><a href="Logger.html#data">data</a></li><li data-type='method'><a href="Logger.html#exp">exp</a></li><li data-type='method'><a href="Logger.html#flush">flush</a></li><li data-type='method'><a href="Logger.html#log">log</a></li><li data-type='method'><a href="Logger.html#setLevel">setLevel</a></li></ul></li><li><a href="Microphone.html">Microphone</a><ul class='methods'><li data-type='method'><a href="Microphone.html#_onChange">_onChange</a></li><li data-type='method'><a href="Microphone.html#_prepareRecording">_prepareRecording</a></li><li data-type='method'><a href="Microphone.html#download">download</a></li><li data-type='method'><a href="Microphone.html#flush">flush</a></li><li data-type='method'><a href="Microphone.html#getRecording">getRecording</a></li><li data-type='method'><a href="Microphone.html#pause">pause</a></li><li data-type='method'><a href="Microphone.html#resume">resume</a></li><li data-type='method'><a href="Microphone.html#start">start</a></li><li data-type='method'><a href="Microphone.html#stop">stop</a></li><li data-type='method'><a href="Microphone.html#upload">upload</a></li></ul></li><li><a href="MinimalStim.html">MinimalStim</a><ul class='methods'><li data-type='method'><a href="MinimalStim.html#_updateIfNeeded">_updateIfNeeded</a></li><li data-type='method'><a href="MinimalStim.html#contains">contains</a></li><li data-type='method'><a href="MinimalStim.html#draw">draw</a></li><li data-type='method'><a href="MinimalStim.html#hide">hide</a></li><li data-type='method'><a href="MinimalStim.html#release">release</a></li><li data-type='method'><a href="MinimalStim.html#setAutoDraw">setAutoDraw</a></li></ul></li><li><a href="module-core.PsychoJS.html">PsychoJS</a><ul class='methods'><li data-type='method'><a href="module-core.PsychoJS.html#_captureErrors">_captureErrors</a></li><li data-type='method'><a href="module-core.PsychoJS.html#_configure">_configure</a></li><li data-type='method'><a href="module-core.PsychoJS.html#_getParticipantIPInfo">_getParticipantIPInfo</a></li><li data-type='method'><a href="module-core.PsychoJS.html#_makeStatusTopLevel">_makeStatusTopLevel</a></li><li data-type='method'><a href="module-core.PsychoJS.html#getEnvironment">getEnvironment</a></li><li data-type='method'><a href="module-core.PsychoJS.html#importAttributes">importAttributes</a></li><li data-type='method'><a href="module-core.PsychoJS.html#openWindow">openWindow</a></li><li data-type='method'><a href="module-core.PsychoJS.html#quit">quit</a></li><li data-type='method'><a href="module-core.PsychoJS.html#schedule">schedule</a></li><li data-type='method'><a href="module-core.PsychoJS.html#scheduleCondition">scheduleCondition</a></li><li data-type='method'><a href="module-core.PsychoJS.html#setRedirectUrls">setRedirectUrls</a></li><li data-type='method'><a href="module-core.PsychoJS.html#start">start</a></li><li data-type='method'><a href="module-core.PsychoJS.html#waitForResources">waitForResources</a></li></ul></li><li><a href="module-data.TrialHandler.html">TrialHandler</a><ul class='methods'><li data-type='method'><a href="module-data.TrialHandler.html#_prepareSequence">_prepareSequence</a></li><li data-type='method'><a href="module-data.TrialHandler.html#_prepareTrialList">_prepareTrialList</a></li><li data-type='method'><a href="module-data.TrialHandler.html#addData">addData</a></li><li data-type='method'><a href="module-data.TrialHandler.html#forEach">forEach</a></li><li data-type='method'><a href="module-data.TrialHandler.html#getAttributes">getAttributes</a></li><li data-type='method'><a href="module-data.TrialHandler.html#getCurrentTrial">getCurrentTrial</a></li><li data-type='method'><a href="module-data.TrialHandler.html#getEarlierTrial">getEarlierTrial</a></li><li data-type='method'><a href="module-data.TrialHandler.html#getFutureTrial">getFutureTrial</a></li><li data-type='method'><a href="module-data.TrialHandler.html#getSnapshot">getSnapshot</a></li><li data-type='method'><a href="module-data.TrialHandler.html#getTrial">getTrial</a></li><li data-type='method'><a href="module-data.TrialHandler.html#getTrialIndex">getTrialIndex</a></li><li data-type='method'><a href="module-data.TrialHandler.html#next">next</a></li><li data-type='method'><a href="module-data.TrialHandler.html#setSeed">setSeed</a></li><li data-type='method'><a href="module-data.TrialHandler.html#setTrialIndex">setTrialIndex</a></li><li data-type='method'><a href="module-data.TrialHandler.html#Symbol.iterator">Symbol.iterator</a></li></ul></li><li><a href="module-hardware.Camera.html">Camera</a><ul class='methods'><li data-type='method'><a href="module-hardware.Camera.html#_onChange">_onChange</a></li><li data-type='method'><a href="module-hardware.Camera.html#_prepareRecording">_prepareRecording</a></li><li data-type='method'><a href="module-hardware.Camera.html#_upload">_upload</a></li><li data-type='method'><a href="module-hardware.Camera.html#authorize">authorize</a></li><li data-type='method'><a href="module-hardware.Camera.html#close">close</a></li><li data-type='method'><a href="module-hardware.Camera.html#flush">flush</a></li><li data-type='method'><a href="module-hardware.Camera.html#getRecording">getRecording</a></li><li data-type='method'><a href="module-hardware.Camera.html#getStream">getStream</a></li><li data-type='method'><a href="module-hardware.Camera.html#getVideo">getVideo</a></li><li data-type='method'><a href="module-hardware.Camera.html#isReady">isReady</a></li><li data-type='method'><a href="module-hardware.Camera.html#open">open</a></li><li data-type='method'><a href="module-hardware.Camera.html#pause">pause</a></li><li data-type='method'><a href="module-hardware.Camera.html#record">record</a></li><li data-type='method'><a href="module-hardware.Camera.html#resume">resume</a></li><li data-type='method'><a href="module-hardware.Camera.html#stop">stop</a></li></ul></li><li><a href="module-sound.Sound.html">Sound</a><ul class='methods'><li data-type='method'><a href="module-sound.Sound.html#_getPlayer">_getPlayer</a></li><li data-type='method'><a href="module-sound.Sound.html#getDuration">getDuration</a></li><li data-type='method'><a href="module-sound.Sound.html#play">play</a></li><li data-type='method'><a href="module-sound.Sound.html#setLoops">setLoops</a></li><li data-type='method'><a href="module-sound.Sound.html#setSecs">setSecs</a></li><li data-type='method'><a href="module-sound.Sound.html#setSound">setSound</a></li><li data-type='method'><a href="module-sound.Sound.html#setVolume">setVolume</a></li><li data-type='method'><a href="module-sound.Sound.html#stop">stop</a></li></ul></li><li><a href="module-util.PsychObject.html">PsychObject</a><ul class='methods'><li data-type='method'><a href="module-util.PsychObject.html#_addAttribute">_addAttribute</a></li><li data-type='method'><a href="module-util.PsychObject.html#_setAttribute">_setAttribute</a></li><li data-type='method'><a href="module-util.PsychObject.html#emit">emit</a></li><li data-type='method'><a href="module-util.PsychObject.html#off">off</a></li><li data-type='method'><a href="module-util.PsychObject.html#on">on</a></li><li data-type='method'><a href="module-util.PsychObject.html#once">once</a></li><li data-type='method'><a href="module-util.PsychObject.html#toString">toString</a></li></ul></li><li><a href="module-visual.VisualStim.html">VisualStim</a><ul class='methods'><li data-type='method'><a href="module-visual.VisualStim.html#_estimateBoundingBox">_estimateBoundingBox</a></li><li data-type='method'><a href="module-visual.VisualStim.html#_getBoundingBox_px">_getBoundingBox_px</a></li><li data-type='method'><a href="module-visual.VisualStim.html#_onChange">_onChange</a></li><li data-type='method'><a href="module-visual.VisualStim.html#_updateIfNeeded">_updateIfNeeded</a></li><li data-type='method'><a href="module-visual.VisualStim.html#contains">contains</a></li><li data-type='method'><a href="module-visual.VisualStim.html#draw">draw</a></li><li data-type='method'><a href="module-visual.VisualStim.html#hide">hide</a></li><li data-type='method'><a href="module-visual.VisualStim.html#refresh">refresh</a></li><li data-type='method'><a href="module-visual.VisualStim.html#release">release</a></li><li data-type='method'><a href="module-visual.VisualStim.html#setAutoDraw">setAutoDraw</a></li><li data-type='method'><a href="module-visual.VisualStim.html#setDepth">setDepth</a></li><li data-type='method'><a href="module-visual.VisualStim.html#setOri">setOri</a></li><li data-type='method'><a href="module-visual.VisualStim.html#setPos">setPos</a></li><li data-type='method'><a href="module-visual.VisualStim.html#setSize">setSize</a></li></ul></li><li><a href="MonotonicClock.html">MonotonicClock</a><ul class='methods'><li data-type='method'><a href="MonotonicClock.html#getLastResetTime">getLastResetTime</a></li><li data-type='method'><a href="MonotonicClock.html#getTime">getTime</a></li></ul></li><li><a href="Mouse.html">Mouse</a><ul class='methods'><li data-type='method'><a href="Mouse.html#clickReset">clickReset</a></li><li data-type='method'><a href="Mouse.html#getPos">getPos</a></li><li data-type='method'><a href="Mouse.html#getPressed">getPressed</a></li><li data-type='method'><a href="Mouse.html#getRel">getRel</a></li><li data-type='method'><a href="Mouse.html#getWheelRel">getWheelRel</a></li><li data-type='method'><a href="Mouse.html#isPressedIn">isPressedIn</a></li><li data-type='method'><a href="Mouse.html#mouseMoved">mouseMoved</a></li><li data-type='method'><a href="Mouse.html#mouseMoveTime">mouseMoveTime</a></li></ul></li><li><a href="MovieStim.html">MovieStim</a><ul class='methods'><li data-type='method'><a href="MovieStim.html#_estimateBoundingBox">_estimateBoundingBox</a></li><li data-type='method'><a href="MovieStim.html#_getDisplaySize">_getDisplaySize</a></li><li data-type='method'><a href="MovieStim.html#_updateIfNeeded">_updateIfNeeded</a></li><li data-type='method'><a href="MovieStim.html#pause">pause</a></li><li data-type='method'><a href="MovieStim.html#play">play</a></li><li data-type='method'><a href="MovieStim.html#reset">reset</a></li><li data-type='method'><a href="MovieStim.html#seek">seek</a></li><li data-type='method'><a href="MovieStim.html#setMovie">setMovie</a></li><li data-type='method'><a href="MovieStim.html#stop">stop</a></li></ul></li><li><a href="MultiStairHandler.html">MultiStairHandler</a><ul class='methods'><li data-type='method'><a href="MultiStairHandler.html#_nextTrial">_nextTrial</a></li><li data-type='method'><a href="MultiStairHandler.html#_prepareStaircases">_prepareStaircases</a></li><li data-type='method'><a href="MultiStairHandler.html#_validateConditions">_validateConditions</a></li><li data-type='method'><a href="MultiStairHandler.html#addResponse">addResponse</a></li></ul></li><li><a href="Polygon.html">Polygon</a><ul class='methods'><li data-type='method'><a href="Polygon.html#_estimateBoundingBox">_estimateBoundingBox</a></li><li data-type='method'><a href="Polygon.html#_getPixiPolygon">_getPixiPolygon</a></li><li data-type='method'><a href="Polygon.html#_getVertices_px">_getVertices_px</a></li><li data-type='method'><a href="Polygon.html#_updateIfNeeded">_updateIfNeeded</a></li><li data-type='method'><a href="Polygon.html#contains">contains</a></li><li data-type='method'><a href="Polygon.html#setEdges">setEdges</a></li><li data-type='method'><a href="Polygon.html#setRadius">setRadius</a></li><li data-type='method'><a href="Polygon.html#setVertices">setVertices</a></li></ul></li><li><a href="QuestHandler.html">QuestHandler</a><ul class='methods'><li data-type='method'><a href="QuestHandler.html#_estimateQuestValue">_estimateQuestValue</a></li><li data-type='method'><a href="QuestHandler.html#_setupJsQuest">_setupJsQuest</a></li><li data-type='method'><a href="QuestHandler.html#addResponse">addResponse</a></li><li data-type='method'><a href="QuestHandler.html#confInterval">confInterval</a></li><li data-type='method'><a href="QuestHandler.html#getQuestValue">getQuestValue</a></li><li data-type='method'><a href="QuestHandler.html#mean">mean</a></li><li data-type='method'><a href="QuestHandler.html#mode">mode</a></li><li data-type='method'><a href="QuestHandler.html#quantile">quantile</a></li><li data-type='method'><a href="QuestHandler.html#sd">sd</a></li><li data-type='method'><a href="QuestHandler.html#setMethod">setMethod</a></li><li data-type='method'><a href="QuestHandler.html#simulate">simulate</a></li></ul></li><li><a href="Rect.html">Rect</a><ul class='methods'><li data-type='method'><a href="Rect.html#_estimateBoundingBox">_estimateBoundingBox</a></li><li data-type='method'><a href="Rect.html#_getPixiPolygon">_getPixiPolygon</a></li><li data-type='method'><a href="Rect.html#_getVertices_px">_getVertices_px</a></li><li data-type='method'><a href="Rect.html#_updateIfNeeded">_updateIfNeeded</a></li><li data-type='method'><a href="Rect.html#_updateVertices">_updateVertices</a></li><li data-type='method'><a href="Rect.html#contains">contains</a></li><li data-type='method'><a href="Rect.html#setHeight">setHeight</a></li><li data-type='method'><a href="Rect.html#setVertices">setVertices</a></li><li data-type='method'><a href="Rect.html#setWidth">setWidth</a></li></ul></li><li><a href="Scheduler.html">Scheduler</a><ul class='methods'><li data-type='method'><a href="Scheduler.html#add">add</a></li><li data-type='method'><a href="Scheduler.html#addConditional">addConditional</a></li><li data-type='method'><a href="Scheduler.html#start">start</a></li><li data-type='method'><a href="Scheduler.html#stop">stop</a></li></ul></li><li><a href="ServerManager.html">ServerManager</a><ul class='methods'><li data-type='method'><a href="ServerManager.html#_downloadResources">_downloadResources</a></li><li data-type='method'><a href="ServerManager.html#_listResources">_listResources</a></li><li data-type='method'><a href="ServerManager.html#_queryServerAPI">_queryServerAPI</a></li><li data-type='method'><a href="ServerManager.html#_setupPreloadQueue">_setupPreloadQueue</a></li><li data-type='method'><a href="ServerManager.html#closeSession">closeSession</a></li><li data-type='method'><a href="ServerManager.html#getConfiguration">getConfiguration</a></li><li data-type='method'><a href="ServerManager.html#getResource">getResource</a></li><li data-type='method'><a href="ServerManager.html#getResourceStatus">getResourceStatus</a></li><li data-type='method'><a href="ServerManager.html#openSession">openSession</a></li><li data-type='method'><a href="ServerManager.html#prepareResources">prepareResources</a></li><li data-type='method'><a href="ServerManager.html#resetStatus">resetStatus</a></li><li data-type='method'><a href="ServerManager.html#setStatus">setStatus</a></li><li data-type='method'><a href="ServerManager.html#uploadAudioVideo">uploadAudioVideo</a></li><li data-type='method'><a href="ServerManager.html#uploadData">uploadData</a></li><li data-type='method'><a href="ServerManager.html#uploadLog">uploadLog</a></li><li data-type='method'><a href="ServerManager.html#waitForResources">waitForResources</a></li></ul></li><li><a href="ShapeStim.html">ShapeStim</a><ul class='methods'><li data-type='method'><a href="ShapeStim.html#_estimateBoundingBox">_estimateBoundingBox</a></li><li data-type='method'><a href="ShapeStim.html#_getPixiPolygon">_getPixiPolygon</a></li><li data-type='method'><a href="ShapeStim.html#_getVertices_px">_getVertices_px</a></li><li data-type='method'><a href="ShapeStim.html#_updateIfNeeded">_updateIfNeeded</a></li><li data-type='method'><a href="ShapeStim.html#contains">contains</a></li><li data-type='method'><a href="ShapeStim.html#setVertices">setVertices</a></li></ul></li><li><a href="Shelf.html">Shelf</a><ul class='methods'><li data-type='method'><a href="Shelf.html#_checkAvailability">_checkAvailability</a></li><li data-type='method'><a href="Shelf.html#_checkKey">_checkKey</a></li><li data-type='method'><a href="Shelf.html#_getValue">_getValue</a></li><li data-type='method'><a href="Shelf.html#_updateValue">_updateValue</a></li><li data-type='method'><a href="Shelf.html#addIntegerValue">addIntegerValue</a></li><li data-type='method'><a href="Shelf.html#appendListValue">appendListValue</a></li><li data-type='method'><a href="Shelf.html#clearListValue">clearListValue</a></li><li data-type='method'><a href="Shelf.html#counterBalanceSelect">counterBalanceSelect</a></li><li data-type='method'><a href="Shelf.html#flipBooleanValue">flipBooleanValue</a></li><li data-type='method'><a href="Shelf.html#getBooleanValue">getBooleanValue</a></li><li data-type='method'><a href="Shelf.html#getDictionaryFieldNames">getDictionaryFieldNames</a></li><li data-type='method'><a href="Shelf.html#getDictionaryFieldValue">getDictionaryFieldValue</a></li><li data-type='method'><a href="Shelf.html#getDictionaryValue">getDictionaryValue</a></li><li data-type='method'><a href="Shelf.html#getIntegerValue">getIntegerValue</a></li><li data-type='method'><a href="Shelf.html#getListValue">getListValue</a></li><li data-type='method'><a href="Shelf.html#getTextValue">getTextValue</a></li><li data-type='method'><a href="Shelf.html#incrementComponent">incrementComponent</a></li><li data-type='method'><a href="Shelf.html#popListValue">popListValue</a></li><li data-type='method'><a href="Shelf.html#setBooleanValue">setBooleanValue</a></li><li data-type='method'><a href="Shelf.html#setDictionaryFieldValue">setDictionaryFieldValue</a></li><li data-type='method'><a href="Shelf.html#setDictionaryValue">setDictionaryValue</a></li><li data-type='method'><a href="Shelf.html#setIntegerValue">setIntegerValue</a></li><li data-type='method'><a href="Shelf.html#setListValue">setListValue</a></li><li data-type='method'><a href="Shelf.html#setTextValue">setTextValue</a></li><li data-type='method'><a href="Shelf.html#shuffleListValue">shuffleListValue</a></li></ul></li><li><a href="Slider.html">Slider</a><ul class='methods'><li data-type='method'><a href="Slider.html#_addEventListeners">_addEventListeners</a></li><li data-type='method'><a href="Slider.html#_estimateBoundingBox">_estimateBoundingBox</a></li><li data-type='method'><a href="Slider.html#_getBoundingBox_px">_getBoundingBox_px</a></li><li data-type='method'><a href="Slider.html#_getPosition_px">_getPosition_px</a></li><li data-type='method'><a href="Slider.html#_getTextStyle">_getTextStyle</a></li><li data-type='method'><a href="Slider.html#_granularise">_granularise</a></li><li data-type='method'><a href="Slider.html#_handlePointerDown">_handlePointerDown</a></li><li data-type='method'><a href="Slider.html#_handlePointerMove">_handlePointerMove</a></li><li data-type='method'><a href="Slider.html#_handlePointerUp">_handlePointerUp</a></li><li data-type='method'><a href="Slider.html#_isHorizontal">_isHorizontal</a></li><li data-type='method'><a href="Slider.html#_onChange">_onChange</a></li><li data-type='method'><a href="Slider.html#_posToRating">_posToRating</a></li><li data-type='method'><a href="Slider.html#_ratingToPos">_ratingToPos</a></li><li data-type='method'><a href="Slider.html#_removeEventListeners">_removeEventListeners</a></li><li data-type='method'><a href="Slider.html#_sanitizeAttributes">_sanitizeAttributes</a></li><li data-type='method'><a href="Slider.html#_setupBar">_setupBar</a></li><li data-type='method'><a href="Slider.html#_setupLabels">_setupLabels</a></li><li data-type='method'><a href="Slider.html#_setupMarker">_setupMarker</a></li><li data-type='method'><a href="Slider.html#_setupSlider">_setupSlider</a></li><li data-type='method'><a href="Slider.html#_setupStyle">_setupStyle</a></li><li data-type='method'><a href="Slider.html#_setupTicks">_setupTicks</a></li><li data-type='method'><a href="Slider.html#_updateIfNeeded">_updateIfNeeded</a></li><li data-type='method'><a href="Slider.html#contains">contains</a></li><li data-type='method'><a href="Slider.html#draw">draw</a></li><li data-type='method'><a href="Slider.html#getRating">getRating</a></li><li data-type='method'><a href="Slider.html#getRT">getRT</a></li><li data-type='method'><a href="Slider.html#hide">hide</a></li><li data-type='method'><a href="Slider.html#isMarkerDragging">isMarkerDragging</a></li><li data-type='method'><a href="Slider.html#recordRating">recordRating</a></li><li data-type='method'><a href="Slider.html#refresh">refresh</a></li><li data-type='method'><a href="Slider.html#release">release</a></li><li data-type='method'><a href="Slider.html#reset">reset</a></li><li data-type='method'><a href="Slider.html#setAutoDraw">setAutoDraw</a></li><li data-type='method'><a href="Slider.html#setDepth">setDepth</a></li><li data-type='method'><a href="Slider.html#setMarkerPos">setMarkerPos</a></li><li data-type='method'><a href="Slider.html#setOri">setOri</a></li><li data-type='method'><a href="Slider.html#setPos">setPos</a></li><li data-type='method'><a href="Slider.html#setRating">setRating</a></li><li data-type='method'><a href="Slider.html#setReadOnly">setReadOnly</a></li><li data-type='method'><a href="Slider.html#setSize">setSize</a></li></ul></li><li><a href="SpeechRecognition.html">SpeechRecognition</a><ul class='methods'><li data-type='method'><a href="SpeechRecognition.html#_onChange">_onChange</a></li><li data-type='method'><a href="SpeechRecognition.html#_prepareRecognition">_prepareRecognition</a></li><li data-type='method'><a href="SpeechRecognition.html#clearTranscripts">clearTranscripts</a></li><li data-type='method'><a href="SpeechRecognition.html#getTranscripts">getTranscripts</a></li><li data-type='method'><a href="SpeechRecognition.html#start">start</a></li><li data-type='method'><a href="SpeechRecognition.html#stop">stop</a></li></ul></li><li><a href="TextBox.html">TextBox</a><ul class='methods'><li data-type='method'><a href="TextBox.html#_addEventListeners">_addEventListeners</a></li><li data-type='method'><a href="TextBox.html#_estimateBoundingBox">_estimateBoundingBox</a></li><li data-type='method'><a href="TextBox.html#_getAnchor">_getAnchor</a></li><li data-type='method'><a href="TextBox.html#_getDefaultLetterHeight">_getDefaultLetterHeight</a></li><li data-type='method'><a href="TextBox.html#_getTextInputOptions">_getTextInputOptions</a></li><li data-type='method'><a href="TextBox.html#_updateIfNeeded">_updateIfNeeded</a></li><li data-type='method'><a href="TextBox.html#clear">clear</a></li><li data-type='method'><a href="TextBox.html#getText">getText</a></li><li data-type='method'><a href="TextBox.html#reset">reset</a></li><li data-type='method'><a href="TextBox.html#setAlignment">setAlignment</a></li><li data-type='method'><a href="TextBox.html#setAnchor">setAnchor</a></li><li data-type='method'><a href="TextBox.html#setBorderColor">setBorderColor</a></li><li data-type='method'><a href="TextBox.html#setColor">setColor</a></li><li data-type='method'><a href="TextBox.html#setFillColor">setFillColor</a></li><li data-type='method'><a href="TextBox.html#setFitToContent">setFitToContent</a></li><li data-type='method'><a href="TextBox.html#setFont">setFont</a></li><li data-type='method'><a href="TextBox.html#setLanguageStyle">setLanguageStyle</a></li><li data-type='method'><a href="TextBox.html#setLetterHeight">setLetterHeight</a></li><li data-type='method'><a href="TextBox.html#setSize">setSize</a></li><li data-type='method'><a href="TextBox.html#setText">setText</a></li></ul></li><li><a href="TextStim.html">TextStim</a><ul class='methods'><li data-type='method'><a href="TextStim.html#_estimateBoundingBox">_estimateBoundingBox</a></li><li data-type='method'><a href="TextStim.html#_getAnchor">_getAnchor</a></li><li data-type='method'><a href="TextStim.html#_getDefaultLetterHeight">_getDefaultLetterHeight</a></li><li data-type='method'><a href="TextStim.html#_getDefaultWrapWidth">_getDefaultWrapWidth</a></li><li data-type='method'><a href="TextStim.html#_getTextStyle">_getTextStyle</a></li><li data-type='method'><a href="TextStim.html#_updateIfNeeded">_updateIfNeeded</a></li><li data-type='method'><a href="TextStim.html#getBoundingBox">getBoundingBox</a></li><li data-type='method'><a href="TextStim.html#getTextMetrics">getTextMetrics</a></li><li data-type='method'><a href="TextStim.html#setColor">setColor</a></li></ul></li><li><a href="TonePlayer.html">TonePlayer</a><ul class='methods'><li data-type='method'><a href="TonePlayer.html#_initSoundLibrary">_initSoundLibrary</a></li><li data-type='method'><a href="TonePlayer.html#getDuration">getDuration</a></li><li data-type='method'><a href="TonePlayer.html#play">play</a></li><li data-type='method'><a href="TonePlayer.html#setDuration">setDuration</a></li><li data-type='method'><a href="TonePlayer.html#setLoops">setLoops</a></li><li data-type='method'><a href="TonePlayer.html#setVolume">setVolume</a></li><li data-type='method'><a href="TonePlayer.html#stop">stop</a></li></ul></li><li><a href="TrackPlayer.html">TrackPlayer</a><ul class='methods'><li data-type='method'><a href="TrackPlayer.html#getDuration">getDuration</a></li><li data-type='method'><a href="TrackPlayer.html#play">play</a></li><li data-type='method'><a href="TrackPlayer.html#setDuration">setDuration</a></li><li data-type='method'><a href="TrackPlayer.html#setLoops">setLoops</a></li><li data-type='method'><a href="TrackPlayer.html#setVolume">setVolume</a></li><li data-type='method'><a href="TrackPlayer.html#stop">stop</a></li></ul></li><li><a href="Transcript.html">Transcript</a></li><li><a href="Window.html">Window</a><ul class='methods'><li data-type='method'><a href="Window.html#_fullRefresh">_fullRefresh</a></li><li data-type='method'><a href="Window.html#_refresh">_refresh</a></li><li data-type='method'><a href="Window.html#_setupPixi">_setupPixi</a></li><li data-type='method'><a href="Window.html#_updateIfNeeded">_updateIfNeeded</a></li><li data-type='method'><a href="Window.html#_writeLogOnFlip">_writeLogOnFlip</a></li><li data-type='method'><a href="Window.html#addPixiObject">addPixiObject</a></li><li data-type='method'><a href="Window.html#adjustScreenSize">adjustScreenSize</a></li><li data-type='method'><a href="Window.html#callOnFlip">callOnFlip</a></li><li data-type='method'><a href="Window.html#close">close</a></li><li data-type='method'><a href="Window.html#closeFullScreen">closeFullScreen</a></li><li data-type='method'><a href="Window.html#getActualFrameRate">getActualFrameRate</a></li><li data-type='method'><a href="Window.html#logOnFlip">logOnFlip</a></li><li data-type='method'><a href="Window.html#removePixiObject">removePixiObject</a></li><li data-type='method'><a href="Window.html#render">render</a></li></ul></li></ul><h3>Interfaces</h3><ul><li><a href="SoundPlayer.html">SoundPlayer</a><ul class='methods'><li data-type='method'><a href="SoundPlayer.html#getDuration">getDuration</a></li><li data-type='method'><a href="SoundPlayer.html#play">play</a></li><li data-type='method'><a href="SoundPlayer.html#setDuration">setDuration</a></li><li data-type='method'><a href="SoundPlayer.html#setLoops">setLoops</a></li><li data-type='method'><a href="SoundPlayer.html#setVolume">setVolume</a></li><li data-type='method'><a href="SoundPlayer.html#stop">stop</a></li></ul></li></ul><h3>Mixins</h3><ul><li><a href="module-core.WindowMixin.html">WindowMixin</a><ul class='methods'><li data-type='method'><a href="module-core.WindowMixin.html#_getHorLengthPix">_getHorLengthPix</a></li><li data-type='method'><a href="module-core.WindowMixin.html#_getLengthPix">_getLengthPix</a></li><li data-type='method'><a href="module-core.WindowMixin.html#_getLengthUnits">_getLengthUnits</a></li><li data-type='method'><a href="module-core.WindowMixin.html#_getVerLengthPix">_getVerLengthPix</a></li></ul></li><li><a href="module-util.ColorMixin.html">ColorMixin</a><ul class='methods'><li data-type='method'><a href="module-util.ColorMixin.html#getContrastedColor">getContrastedColor</a></li><li data-type='method'><a href="module-util.ColorMixin.html#setColor">setColor</a></li><li data-type='method'><a href="module-util.ColorMixin.html#setContrast">setContrast</a></li></ul></li></ul>
</nav>
<div id="main">
<h1 class="page-title">visual/FaceDetector.js</h1>
<section>
<article>
<pre class="prettyprint source linenums"><code>/**
* Manager handling the detecting of faces in video streams.
*
* @author Alain Pitiot
* @version 2022.2.3
* @copyright (c) 2021 Open Science Tools Ltd. (https://opensciencetools.org)
* @license Distributed under the terms of the MIT License
*/
import {PsychoJS} from "../core/PsychoJS.js";
import * as util from "../util/Util.js";
import { to_pixiPoint } from "../util/Pixi.js";
import {Color} from "../util/Color.js";
import {Camera} from "../hardware/Camera.js";
import {VisualStim} from "./VisualStim.js";
import * as PIXI from "pixi.js-legacy";
/**
* &lt;p>This manager handles the detecting of faces in video streams. FaceDetector relies on the
* [Face-API library]{@link https://github.com/justadudewhohacks/face-api.js} developed by
* [Vincent Muehler]{@link https://github.com/justadudewhohacks}.&lt;/p>
*
* @extends VisualStim
*/
export class FaceDetector extends VisualStim
{
/**
* @memberOf module:visual
* @param {Object} options
* @param {String} options.name - the name used when logging messages from the detector
* @param {module:core.Window} options.win - the associated Window
* @param {string | HTMLVideoElement | module:visual.Camera} options.input - the name of a
* movie resource or of a HTMLVideoElement or of a Camera component
* @param {string} [options.faceApiUrl= 'face-api.js'] - the Url of the face-api library
* @param {string} [options.modelDir= 'models'] - the directory where to find the face detection models
* @param {string} [options.units= "norm"] - the units of the stimulus (e.g. for size, position, vertices)
* @param {Array.&lt;number>} [options.pos= [0, 0]] - the position of the center of the stimulus
* @param {string} [options.units= 'norm'] - the units of the stimulus vertices, size and position
* @param {number} [options.ori= 0.0] - the orientation (in degrees)
* @param {number} [options.size] - the size of the rendered image (the size of the image will be used if size is not specified)
* @param {number} [options.opacity= 1.0] - the opacity
* @param {boolean} [options.autoDraw= false] - whether or not the stimulus should be automatically drawn on every frame flip
* @param {boolean} [options.autoLog= false] - whether or not to log
*/
constructor({name, win, input, modelDir, faceApiUrl, units, ori, opacity, pos, size, autoDraw, autoLog} = {})
{
super({name, win, units, ori, opacity, pos, size, autoDraw, autoLog});
// TODO deal with onChange (see MovieStim and Camera)
this._addAttribute("input", input, undefined);
this._addAttribute("faceApiUrl", faceApiUrl, "face-api.js");
this._addAttribute("modelDir", modelDir, "models");
this._addAttribute("autoLog", autoLog, false);
this._addAttribute("status", PsychoJS.Status.NOT_STARTED);
// init face-api:
this._initFaceApi();
if (this._autoLog)
{
this._psychoJS.experimentLogger.exp(`Created ${this.name} = ${this.toString()}`);
}
}
/**
* Query whether or not the face detector is ready to detect.
*
* @returns {boolean} whether or not the face detector is ready to detect
*/
isReady()
{
return this._modelsLoaded;
}
/**
* Setter for the video attribute.
*
* @param {string | HTMLVideoElement | module:visual.Camera} input - the name of a
* movie resource or a HTMLVideoElement or a Camera component
* @param {boolean} [log= false] - whether of not to log
*/
setInput(input, log = false)
{
const response = {
origin: "FaceDetector.setInput",
context: "when setting the video of FaceDetector: " + this._name
};
try
{
// movie is undefined: that's fine but we raise a warning in case this is
// a symptom of an actual problem
if (typeof input === "undefined")
{
this.psychoJS.logger.warn("setting the movie of MovieStim: " + this._name + " with argument: undefined.");
this.psychoJS.logger.debug("set the movie of MovieStim: " + this._name + " as: undefined");
}
else
{
// if movie is a string, then it should be the name of a resource, which we get:
if (typeof input === "string")
{
// TODO create a movie with that resource, and use the movie as input
}
// if movie is an instance of camera, get a video element from it:
else if (input instanceof Camera)
{
const video = input.getVideo();
// TODO remove previous one if there is one
// document.body.appendChild(video);
input = video;
}
// check that video is now an HTMLVideoElement
if (!(input instanceof HTMLVideoElement))
{
throw input.toString() + " is not a video";
}
this.psychoJS.logger.debug(`set the video of FaceDetector: ${this._name} as: src= ${input.src}, size= ${input.videoWidth}x${input.videoHeight}, duration= ${input.duration}s`);
// ensure we have only one onended listener per HTMLVideoElement, since we can have several
// MovieStim with the same underlying HTMLVideoElement
// https://stackoverflow.com/questions/11455515
if (!input.onended)
{
input.onended = () =>
{
this.status = PsychoJS.Status.FINISHED;
};
}
}
this._setAttribute("input", input, log);
this._needUpdate = true;
this._needPixiUpdate = true;
}
catch (error)
{
throw Object.assign(response, {error});
}
}
/**
* Start detecting faces.
*
* @param {number} period - the detection period, in ms (e.g. 100 ms for 10Hz)
* @param detectionCallback - the callback triggered when detection results are available
* @param {boolean} [log= false] - whether of not to log
*/
start(period, detectionCallback, log = false)
{
this.status = PsychoJS.Status.STARTED;
if (typeof this._detectionId !== "undefined")
{
clearInterval(this._detectionId);
this._detectionId = undefined;
}
this._detectionId = setInterval(
async () =>
{
this._detections = await faceapi.detectAllFaces(
this._input,
new faceapi.TinyFaceDetectorOptions()
)
.withFaceLandmarks()
.withFaceExpressions();
this._needUpdate = true;
this._needPixiUpdate = true;
detectionCallback(this._detections);
},
period);
}
/**
* Stop detecting faces.
*
* @param {boolean} [log= false] - whether of not to log
*/
stop(log = false)
{
this.status = PsychoJS.Status.NOT_STARTED;
if (typeof this._detectionId !== "undefined")
{
clearInterval(this._detectionId);
this._detectionId = undefined;
}
}
/**
* Init the Face-API library.
*
* @protected
*/
async _initFaceApi()
{
/*
// load the library:
await this._psychoJS.serverManager.prepareResources([
{
"name": "face-api.js",
"path": this.faceApiUrl,
"download": true
}
]);
*/
// load the models:
this._modelsLoaded = false;
await faceapi.nets.tinyFaceDetector.loadFromUri(this._modelDir);
await faceapi.nets.faceLandmark68Net.loadFromUri(this._modelDir);
await faceapi.nets.faceRecognitionNet.loadFromUri(this._modelDir);
await faceapi.nets.faceExpressionNet.loadFromUri(this._modelDir);
this._modelsLoaded = true;
}
/**
* Update the visual representation of the detected faces, if necessary.
*
* @protected
*/
_updateIfNeeded()
{
if (!this._needUpdate)
{
return;
}
this._needUpdate = false;
if (this._needPixiUpdate)
{
this._needPixiUpdate = false;
if (typeof this._pixi !== "undefined")
{
this._pixi.destroy(true);
}
this._pixi = new PIXI.Container();
this._pixi.interactive = true;
this._body = new PIXI.Graphics();
this._body.interactive = true;
this._pixi.addChild(this._body);
const size_px = util.to_px(this.size, this.units, this.win);
if (typeof this._detections !== "undefined")
{
for (const detection of this._detections)
{
const landmarks = detection.landmarks;
const imageWidth = detection.alignedRect.imageWidth;
const imageHeight = detection.alignedRect.imageHeight;
for (const position of landmarks.positions)
{
this._body.beginFill(new Color("red").int, this._opacity);
this._body.drawCircle(
position._x / imageWidth * size_px[0] - size_px[0] / 2,
position._y / imageHeight * size_px[1] - size_px[1] / 2,
2);
this._body.endFill();
}
}
}
}
this._pixi.scale.x = 1;
this._pixi.scale.y = -1;
this._pixi.rotation = -this.ori * Math.PI / 180;
this._pixi.position = to_pixiPoint(this.pos, this.units, this.win);
this._pixi.alpha = this._opacity;
}
/**
* Estimate the bounding box.
*
* @override
* @protected
*/
_estimateBoundingBox()
{
// TODO
}
}
</code></pre>
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