| JPEG2000中的感兴趣区域编码 |
| |
| 引用本文： | 曹松.JPEG2000中的感兴趣区域编码[J].电视技术,2002(5):15-18. |
| |
| 作者姓名： | 曹松 |
| |
| 作者单位： | 北京航空航天大学电子工程系,北京,100083 |
| |
| 摘 要： | 图像的感兴趣区域编码技术,即在图像中的感兴趣区域进行无损或近无损压缩,而在其它区域采用有损压缩,从而既可以获得所期望的高质量的图像信息,又保持了较高的压缩比,很好地解决了压缩比和图像质量之间的矛盾。JPEG2000是国际标准组织IEO/IEC正在制定的新的静止图像压缩标准,JPEG2000中一项关键技术就是支持对感兴趣区域的编码。JPEG2000进行感兴趣区域编码采用了MAXSHIFT算法。
|
| 关 键 词： | 感兴趣区域编码 JPEG2000标准 静止图像压缩 小波变换 图像编码 |
| 文章编号： | 1002-8692(2002)05-0015-04 |
| 修稿时间： | 2001年11月20 |
Interested area encoding in JEPEG2000 |
| |
| CAO Song.Interested area encoding in JEPEG2000[J].Tv Engineering,2002(5):15-18. |
| |
| Authors: | CAO Song |
| |
| Abstract: | Image compression based on Lossless or nearly Lossless Region of Interest(ROI ),means to com-press interesting regions in an image without loss,and to compress uninteresting regions with loss.Thus,desired high fidelity image information is acquired while remaining a high compress rate.This technology solves the dif-ference between the image quality and the compress rate.JPEG2000is the currently worked out by ISO/IEC as a new compression standard for still images.One of the important technologies in JPEG2000is the"Region Of In-terest(ROI )coding".This paper describes the technology in JPEG2000and mainly explains the MAXSHIFT method in ROI coding of JPEG2000. |
| |
| Keywords: | JPEG2000 still image compression region of interest(ROI ) wavelet transform |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
