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javascript - 未捕获( promise )TypeError : t is not a function

转载 作者:行者123 更新时间:2023-11-30 09:16:40 25 4
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当我将图像添加到分类器进行训练时,它抛出了一些异常。我们使用 ml5.js 的 Mobilenet 模型,其中调用 train() 方法。

    let features =  ml5.featureExtractor('MobileNet');
const classifier = features.classification();
console.log("setup classifier DONE", classifier);

var img2;
console.log("adding images");
const gorra = new Image();
gorra.src = "https://ml5js.org/docs/assets/img/bird.jpg";
gorra.width = 224;
gorra.height = 224;
console.log("adding images DONE", gorra);

img2 = new Image();
img2.src = "{!$Resource.cat}"
img2.width = 224;
img2.height = 224;
console.log(img2);

var img3;
img3 = new Image();
img3.src = "{!$Resource.car}"
img3.width = 224;
img3.height = 224;
console.log(img3);
console.log("setup classifier");

var img4;
img4 = new Image();
img4.src = "{!$Resource.car1}"
img4.width = 224;
img4.height = 224;
console.log(img4);

console.log("setup classifier");
console.log("adding example image...");
const ex = classifier.addImage(document.getElementById('imgshow'), "Gorra");
console.log("adding ex image DONE!...", ex);
const ex1 = classifier.addImage(img2, "Gorra");
console.log("adding ex1 image DONE!...", ex1);
const ex2 = classifier.addImage(img3, "car");
console.log("adding ex1 image DONE!...", ex2);
const ex3 = classifier.addImage(img4, "car");
console.log("adding ex1 image DONE!...", ex3);
console.log('claasifier'+classifier);
console.log("Training");
// const trainer ;
setTimeout(function(){ const trainer = classifier.train(); console.log("Training DONE", trainer);}, 30000);

每当 train() 运行添加图像后,它都会抛出此错误 enter image description here它引用了 Mobilnet.js 库,我突出显示了导致该错误的行 enter image description here

请告诉我,我们该如何解决这个问题。

最佳答案

您需要为 .train() 函数提供回调。

来自 ml5js 的文档,.train() 函数的回调是可选的。

您可以更换火车对账单

const trainer = classifier.train();

使用以下代码。

const trainer = classifier.train(function(lossValue) {
console.log('Loss is', lossValue)
});

这应该可以解决问题。

关于javascript - 未捕获( promise )TypeError : t is not a function,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/54307012/

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