Node.js ReferenceError:将图像传递到函数时,MathBackendCPU.fromPixels上未定义ImageData
当我的程序读取.png图像文件并将数据用作tensorflow.js中fromPixels()函数的参数时,我遇到了这个错误。 为什么说ImageData没有定义?我是否遗漏了任何依赖项Node.js ReferenceError:将图像传递到函数时,MathBackendCPU.fromPixels上未定义ImageData,node.js,tensorflow.js,deeplearn.js,Node.js,Tensorflow.js,Deeplearn.js,当我的程序读取.png图像文件并将数据用作tensorflow.js中fromPixels()函数的参数时,我遇到了这个错误。 为什么说ImageData没有定义?我是否遗漏了任何依赖项 /home/R/Desktop/process_img/node_modules/deeplearn/dist/kernels/backend_cpu.js:85 if (pixels instanceof ImageData) { ^
/home/R/Desktop/process_img/node_modules/deeplearn/dist/kernels/backend_cpu.js:85
if (pixels instanceof ImageData) {
^
ReferenceError: ImageData is not defined
at MathBackendCPU.fromPixels (/home/R/Desktop/process_img/node_modules/deeplearn/dist/kernels/backend_cpu.js:85:31)
at Engine.fromPixels (/home/R/Desktop/process_img/node_modules/deeplearn/dist/engine.js:287:29)
at Ops.fromPixels (/home/R/Desktop/process_img/node_modules/deeplearn/dist/ops/array_ops.js:184:41)
at (/home/R/Desktop/process_img/node_modules/deeplearn/dist/ops/operation.js:11:61
at Object.Tracking.tidy (/home/R/Desktop/process_img/node_modules/deeplearn/dist/tracking.js:34:22)
at Object.descriptor.value [as fromPixels] (/home/R/Desktop/process_img/node_modules/deeplearn/dist/ops/operation.js:11:26)
at /home/R/Desktop/process_img/index.js:29:29
at FSReqWrap.readFileAfterClose [as oncomplete] (fs.js:447:3)
代码如下:
#!/usr/bin/node
"use strict";
const {KNNImageClassifier} = require('deeplearn-knn-image-classifier');
const _deeplearn = require('deeplearn');
const child = require('child_process');
const fs = require('fs');
const { Image } = require('canvas');
const NUM_CLASSES = 3;
const IMAGE_SIZE = 227; // Must be 227
const TOPK = 10;
var filename = 'images.png';
//console.log(img.dtype);
var knn = new KNNImageClassifier(NUM_CLASSES, TOPK);
fs.readFile(filename, function(err, squid){
if (err) throw err;
var img = new Image();
img.src = squid;
const img1 = _deeplearn.fromPixels(img);
});
p/s:如果需要更多信息,请通知我
谢谢。当前节点中不支持tf.fromPixels。需要手动将图像加载到张量中