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System and method for efficiently encoding an image by prioritizing groups of spatially correlated coefficients based on an activity measure
System and method for efficiently encoding an image by prioritizing groups of spatially correlated coefficients based on an activity measure
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机译:通过基于活动性度量对空间相关系数的组进行优先排序来有效编码图像的系统和方法
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摘要
An encoder (300) selects (702, 1302, 1304,1306,1308) one or more subsets of spatially or temporally correlated transformed data coefficients, on the basis of the significance of each subset in representing the data. The encoder (300) and a complementary decoder (400) may be applied to wavelet transform encoded images (500). The encoder (300) may be implemented on a wireless to Internet gateway server (108), in order to reduce byte size of encoded images (500) sent through a wireless network (112), and reduce the amount of processing that must be performed by a wireless device (118) to decode an image or other data. The decoder (400) and/or encoder (300) may be implemented on the wireless device (118).
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