由MJPEG影像文件提取JPEG图象，适合于嵌入式开发中图形处理-by decoding JPEG images from document images, suitable for embedded graphics processing development

linux 系统下，成功显示图片的代码，适应于开发基于嵌入式系统的图象处理系统-linux system, successfully displayed the image code, adapted to the development of embedded systems based on image processing system