The current ROI coding methods either have high computational cost or cannot control the relative quality of progressive decoded images.
当前的ROI编码算法不能控制渐进解码图像的相对质量或是计算量太大。
Region Of Interest (ROI) coding is an important technology presented by JPEG2000. However, JPEG2000 can not support arbitrary-shape ROI and any scaling value at the same time.
感兴趣区(ROI)编码是在JPEG2000中提出的一种重要的技术，然而JPEG2000算法却无法同时支持任意形状roi和任意提升因子。
JPEG2000 is a new international standard for still image coding and provides many new features, such as progressive recovery of image by fidelity or resolution and region of interest (ROI) coding.
JPEG2000是一种新的静止图像编码国际标准，它提供了诸如基于失真度及分辨率的图像渐进恢复，感兴趣区域编码等新特性。
JPEG2000 is a new international standard for still image coding and provides many new features, such as progressive recovery of image by fidelity or resolution and region of interest (ROI) coding.
JPEG2000是一种新的静止图像编码国际标准，它提供了诸如基于失真度及分辨率的图像渐进恢复，感兴趣区域编码等新特性。
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