中文说明： JPEG2000是基于小波变换的图像压缩标准，由Joint Photographic Experts Group组织创建和维护。JPEG2000通常被认为是未来取代JPEG（基于离散余弦变换）的下一代图像压缩标准。JPEG2000文件的扩展名通常为.jp2，MIME
English Description：
JPEG2000 is an image compression standard based on wavelet transform, which is created and maintained by Joint Photographic Experts Group. JPEG2000 is generally considered as the next generation of image compression standard to replace JPEG (based on discrete cosine transform) in the future. The extension of JPEG2000 file is usually. JP2, mime