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LOCALIZED CONTENT ADAPTIVE FILTER FOR LOW POWER SCALABLE IMAGE PROCESSING
LOCALIZED CONTENT ADAPTIVE FILTER FOR LOW POWER SCALABLE IMAGE PROCESSING
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机译:用于低功耗可缩放图像处理的局部内容自适应滤波器
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摘要
A localized content adaptive filter system including a tile buffer having an output providing first image information, a frequency analyzer providing a frequency information signal based on frequency content of the first image information, and an adaptive filter which is adjusted based on the frequency information signal. The frequency analyzer may include a wavelet transform filter and a frequency content analyzer. The adaptive filter may include filter select logic which receives the frequency information signal and second image information associated with the first image information, and which provides filtered image information. The filter select logic determines a filter based on the frequency information signal and the determined filter filters the second image information to provide the filtered image information. The filter select logic may include preconfigured filters in which a filter is selected by the frequency information, or a programmable filter which is programmed according to the frequency information.
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