ROI(Region Of Interest) method is a new function of JPEG2000. Applying ROI we can compress image with different accuracy in different region.

感兴趣区域）作为新一代图像压缩标准JPEG2000所增加的一个功能。

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First, the region of interest (ROI) is selected by interactive segmentation method. The boundary points of the ROI is extracted and ordered according to their positions.

首先通过交互式分割选择出感兴趣区域(R OI)，提取出roi的轮廓点并根据位置关系对轮廓点排序。

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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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