js网络摄像头实现识察言观色,识别你的表情
今天给大家介绍一下如何通过js在浏览器上调用摄像头识别用户的表情,达到察言观色,好,废话不多说,直接进入正题。
人脸表情识别的原理还是通过表情轮廓进行机器训练模型后识别,今天我们直接使用faceapi的训练好的模型进行识别。
一、加载模型
<script type="text/javascript"> await faceapi.nets.ssdMobilenetv1.loadFromUri('models'); await faceapi.nets.faceLandmark68Net.loadFromUri('models'); await faceapi.nets.faceExpressionNet.loadFromUri('models'); </script>
二、识别
<script type="text/javascript"> const videoEl = $('#inputVideo').get(0) if (videoEl.paused || videoEl.ended) return setTimeout(() => onPlay()) const options = new faceapi.SsdMobilenetv1Options({ minConfidence }) const ts = Date.now() const result = await faceapi.detectSingleFace(videoEl, options).withFaceExpressions() updateTimeStats(Date.now() - ts) if (result) { const canvas = $('#overlay').get(0) const dims = faceapi.matchDimensions(canvas, videoEl, true) const resizedResult = faceapi.resizeResults(result, dims) const minConfidence = 0.05 if (withBoxes) { faceapi.draw.drawDetections(canvas, resizedResult) } faceapi.draw.drawFaceExpressions(canvas, resizedResult, minConfidence) } setTimeout(() => onPlay()) </script>ok,就实现了
完整的webide项目地址:http://editor.bfw.wiki/Editor/Open.html?projectid=15731252228909890037&file=faceexpression.html
点击左上角预览,在新窗口预览就行了,可在线直接运行
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