jpeg baseline的英文文档，希望对各位需要的朋友提供帮助-English jpeg baseline document, in the hope that you need friends to help

JPEG国际标准，ISO/IEC 10918，CCITT T.81，用于灰度图与真彩图的静态图像压缩的国际标准-JPEG international standard, ISO/IEC 10918, CCITT T.81, grayscale and true color for static image compression international standards