问题描述
我已经为我的 react 组件构建了一个带有 face-api.js 的 javascript 函数,它将返回/控制台我人脸检测器框的宽度和高度。我在几个地方尝试了 console.log,它在模型(人脸识别模型)之前似乎工作正常。
但是当我为人脸检测器编写异步函数来检测人脸和控制台时。它给了我错误-
Unhandled rejection(Reference Error): Cannot access 'handledImage' before initialization
这里也是屏幕截图。
我不知道如何解决?
有我的代码faceDetector.js
import * as faceapi from "face-api.js";
//passing image from my react compoenent
const faceDetector = (image) => {
const imageRef = image;
const loadModels = async () => {
// models are present in public and they are getting loaded
const MODEL_URL = process.env.PUBLIC_URL + "/models";
Promise.all([
faceapi.nets.tinyFaceDetector.loadFromUri(MODEL_URL),faceapi.nets.faceLandmark68Net.loadFromUri(MODEL_URL),faceapi.nets.faceRecognitionNet.loadFromUri(MODEL_URL),faceapi.nets.faceExpressionNet.loadFromUri(MODEL_URL)
])
// this is rising the issue. I want to call this function after my models loaded so it can detect face
.then(handleImage)
.catch((e) => console.error(e));
};
loadModels();
// this function should detect the face from imageRef and should console the size of detector
const handleImage = async () => {
const detections = await faceapi
.detectSingleFace(imageRef,new faceapi.TinyFaceDetectorOptions())
console.log(`Width ${detections.box._width} and Height ${detections.box._height}`);
}
}
export {faceDetector}
解决方法
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