如何用Java将二进制图像数据转换为jpg文件，其中二进制数据中的每10位代表一个像素?

问题描述

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我正在通过Ethernet接收比特流.我正在收集Java中byte[]数组中的位(我将它们收集在byte []中，因为我认为它是相关的).流是数字化图像，其中每10位代表一个像素.有1280*1024个像素.每个像素由10位表示.因此，1280*1024*10 = 13107200 bits = 1638400 bytes是图像大小.

I am receiving a stream of bits over the Ethernet. I am collecting the bits in a byte[] array in Java(I am collecting them in a byte[] because I think its relevant).The stream is a digitized image where every 10 bits represent a pixel. There are 1280*1024 pixels. Every pixel is represented by 10 bits. Hence,1280*1024*10 = 13107200 bits = 1638400 bytes is the image size.

推荐答案

这里是一种方法，可以采用字节数组并将其拆分"为10位的组.每个组都保存为一个整数.

Here is a method that can take a byte array and "split" it into groups of 10 bit. Each group is saved as an int.

static int[] getPixel(byte[] in) {
  int bits = 0, bitCount = 0, posOut = 0;
  int[] out = new int[(in.length * 8) / 10];
  for(int posIn = 0; posIn < in.length; posIn++) {
    bits = (bits << 8) | (in[posIn] & 0xFF);
    bitCount += 8;
    if(bitCount >= 10) {
      out[posOut++] = (bits >>> (bitCount - 10)) & 0x3FF;
      bitCount -= 10;
    }
  }
  return out;
}

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