整理桌面
This commit is contained in:
47
tools/convolutionMatrix.js
Normal file
47
tools/convolutionMatrix.js
Normal file
@@ -0,0 +1,47 @@
|
||||
/*
|
||||
* 参数中的 kernel 就是卷积核方阵,不过顺着排列成了一个九位的数组
|
||||
* 像是这样 [-1, -1, -1, -1, 8, -1, -1, -1, -1]
|
||||
* offset 对RGBA数值直接增加,表现为提高亮度
|
||||
* 下面的for循环
|
||||
* y 代表行,x 代表列,c 代表RGBA
|
||||
*/
|
||||
|
||||
export default function (image, kernel, offset = 0) {
|
||||
let { width, height, data } = image
|
||||
for (let y = 1; y < height - 1; y += 1) {
|
||||
for (let x = 1; x < width - 1; x += 1) {
|
||||
for (let c = 0; c < 3; c += 1) {
|
||||
let i = (y * width + x) * 4 + c
|
||||
data[i] =
|
||||
offset +
|
||||
(
|
||||
kernel[0] * data[i - width * 4 - 4] +
|
||||
kernel[1] * data[i - width * 4] +
|
||||
kernel[2] * data[i - width * 4 + 4] +
|
||||
kernel[3] * data[i - 4] +
|
||||
kernel[4] * data[i] +
|
||||
kernel[5] * data[i + 4] +
|
||||
kernel[6] * data[i + width * 4 - 4] +
|
||||
kernel[7] * data[i + width * 4] +
|
||||
kernel[8] * data[i + width * 4 + 4]
|
||||
) / 1
|
||||
}
|
||||
data[(y * width + x) * 4 + 3] = 255
|
||||
}
|
||||
}
|
||||
return image
|
||||
}
|
||||
|
||||
// 卷积核
|
||||
|
||||
// 全连接层, 输入全部特征队列, 输入网络深度
|
||||
function 全连接(arr, deep = 1) {
|
||||
let list = []
|
||||
for (let i = 0; i < arr.length; i++) {
|
||||
list.push(arr[i])
|
||||
}
|
||||
|
||||
for (let i = 0; i < deep; i++) {
|
||||
|
||||
}
|
||||
}
|
Reference in New Issue
Block a user