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中文摘要：
首先提出图像粒的概念，然后将所提出的概念应用于QaR树进行图像分解，最后对基于QaR树分解的结果和其他算法进行评估和对比。实验结果表明，在冗余度和精度两个指标上，基于QaR树的图像粒分解结果均优于已有方法，能够提供更为贴近图像数据和图像空间的图像局部区域。
英文摘要：
The novel definition of image particle is proposed firstly. Then procedure of image particle decomposing is accomplished via QaR tree. Finally, the optimal comparative evalua- tion from QaR tree to other classic algorithms is given. Experimental results reveal that on the basis of accuracy and redundancy, QaR tree method holds better effects than other exist- ing methods, and its results are closer to local image regions consisting of image space and image data.
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