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预测结果始终不变 #172

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realeve opened this issue Jun 12, 2021 · 5 comments
Closed

预测结果始终不变 #172

realeve opened this issue Jun 12, 2021 · 5 comments

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@realeve
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realeve commented Jun 12, 2021

image

使用 paddleClass训练了一个多分类模型(5个分类),在python后端正常,转成js的版本后,预测结果始终一样,数据预处理看上去正常

@JingyuanZhang
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document.getElementById('photo') 返回的 dom 类型是什么?

@realeve
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realeve commented Jul 19, 2021

@JingyuanZhang
image

按照这里的demo来实现的
https://github.com/PaddlePaddle/Paddle.js/blob/bde871f1064d2f5559be6a0cac23c0c17332f6cd/packages/paddlejs-core/README_cn.md

// Import @paddlejs/paddlejs-core
import { Runner } from '@paddlejs/paddlejs-core';
// Import the registered WebGL backend.
import '@paddlejs/paddlejs-backend-webgl';

const runner = new Runner({
    modelPath: '/model/mobilenetv2', // model path, e.g. http://xx.cc/path, http://xx.cc/path/model.json, /localModelDir/model.json, /localModelDir
    feedShape: { // input shape
        fw: 256,
        fh: 256
    },
    fill?: '#fff' // fill color when resize image, default value is #fff
});

// init runner
await runner.init();
// predict and get result
const res = await runner.predict(mediadata, callback?);

这里 没写 mediadata 到底是一个dom还是其它的什么类型,dom 是 canvas还是img,如果是数据的话是不是需要转到0-1的区间内。

@JingyuanZhang
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media data 可以 HTMLImageElement | HTMLVideoElement | HTMLCanvasElement

@realeve
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realeve commented Jan 4, 2022

按照上面这样,给的是 HTMLImageElement ,但结果好像没对。

@JingyuanZhang
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JingyuanZhang commented Jan 4, 2022

你的模型可以上传一下吗?

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