科技报告详细信息
Multiplication-Free Approximate Algorithms for Compressed Domain Linear Operations on Images
Merhav, Neri
HP Development Company
关键词: image processing;    compressed-domain processing;    downsampling;    scaling;    translation;    filtering;    convolution;    image compression;    discrete cosine transform;   
RP-ID  :  HPL-96-111
学科分类:计算机科学(综合)
美国|英语
来源: HP Labs
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【 摘 要 】

We propose a method for devising approximate multiplication-free algorithms for compressed-domain linear operations on images, e.g., downsampling, translation, filtering, etc. We demonstrate that the approximate algorithms give output images that are nearly perceptually equivalent to those of the exact processing, while the computational complexity is significantly reduced.

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