The scheme simulates HVS with the idea of SAQ based on the character of MRA of image coefficients after wavelet transform, which is put into experiments with ROI encoding.
该方案结合逐次逼近量化的思想根据图像小波分解后系数的多分辨特点来模拟人类视觉系统特性，并在图像试验中结合感兴趣区域进行编码。
Finally in Section 4 the author analysis the standard ROI method in the JPEG2000 standard, proposes one method can get the ROI effect and reduce the encoding complexity.
最后在第四部分作者对JPEG2000中的标准roi方法进行了分析，提出了一种能达到相应的ROI效果同时减少编码复杂度的方法。
Finally in Section 4 the author analysis the standard ROI method in the JPEG2000 standard, proposes one method can get the ROI effect and reduce the encoding complexity.
最后在第四部分作者对JPEG2000中的标准roi方法进行了分析，提出了一种能达到相应的ROI效果同时减少编码复杂度的方法。
应用推荐