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gestureRecognize.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>手势识别</title>
<script type="text/javascript" src="facepp_sdk/jquery.min.js"></script>
<script type="text/javascript" src="facepp_sdk/exif.js"></script>
<script type="text/javascript" src="facepp_sdk/facepp_sdk.js"></script>
<meta name="viewport" content="width=device-width,initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no">
<script type="text/javascript" src="common.js"></script>
<link rel="stylesheet" type="text/css" href="common.css">
</head>
<style>
#input{
opacity: 0;
}
#preview{
left: 10%;
max-width: 90%;
}
#text{
left: 10%;
top: 20px;
width: 90%;
}
</style>
<body>
<div class="container">
<div class="button" onclick=clickInput()>选择手势照片</div>
<input id="input" type="file" accept="image/*" name="xaunz" onchange="selectImage(this)"/>
<img id="preview" />
<div id="text"></div>
</div>
</body>
<script>
resetContainer();
//点击按钮
function clickInput(){
document.getElementById('input').click();
}
this.facepp = new FACEPP(APIKEY,APISERET,1);
</script>
<script>
// 选择照片
function selectImage(input){
let imageView = document.getElementById('preview');
const reader = new FileReader();
reader.readAsDataURL(input.files[0]);
reader.onload = function (e) {
//清除之前的文字
let textView = document.getElementById('text');
textView.innerText = '';
//图片的base64数据
const base64Image = e.target.result;
imageView.src = base64Image;
/*
//base64方式上传图片
let dic = {'image_base64' : base64Image};
facepp.detectFace(dic,success,failed);
*/
// 以二进制的方式上传图片
// 将base64转为二进制
let imageData = facepp.dataURItoBlob(base64Image);
//上传图片,获取结果
let dataDic = {'image_file':imageData};
facepp.gestureRecognize(dataDic,handleSuccess,handleResult);
}
}
function handleSuccess(e) {
let textView = document.getElementById('text');
console.log(e);
var hands = e.hands;
console.log('hands' + hands);
var result = '检测到' + hands.length + '个手势:\n';
for (var index in hands) {
var gesture = hands[index].gesture;
var maxkey = getMaxKey(gesture);
var maxValue = getValue(maxkey);
var confidence = gesture[maxkey];
const temp = parseInt(index) + 1;
result += '\n第'+ temp + '个手势最可能是: ' + maxValue + '，概率是: ' + confidence +'%';
console.log('maxkey: ' + maxkey);
console.log('maxValue: ' + maxValue);
console.log('confidence:' + confidence);
}
textView.innerText = result;
}
//失败的回调
function handleResult(e){
console.log(e);
let textView = document.getElementById('text');
textView.innerText = JSON.stringify(e,null,"\t");
}
//获取置信度最高的手势的Key
function getMaxKey(obj) {
console.log(obj);
var maxKey;
var maxValue = 0;
for (const key in obj) {
const value = obj[key];
if (value > maxValue){
maxKey = key;
maxValue = value;
}
}
console.log(maxKey);
return maxKey;
}
function getValue(key) {
const dic = {
'unknown': '未定义手势',
'heart_a': '比心 A',
'heart_b': '比心 B',
'heart_c': '比心 C',
'heart_d': '比心 D',
'ok': 'OK',
'hand_open': '手张开',
'thumb_up': '大拇指向上',
'thumb_down': '大拇指向下',
'rock': 'ROCK',
'namaste': '合十',
'palm_up': '手心向上',
'fist': '握拳',
'index_finger_up': '食指朝上',
'double_finger_up': '双指朝上',
'victory': '胜利',
'big_v': '大 V 字',
'phonecall': '打电话',
'beg': '作揖',
'thanks': '感谢'
}
return dic[key];
}
</script>
</html>