Digital Image Compression by Outer Product Expansion
作者： D. O'Leary , S. Peleg
DOI: 10.1109/TCOM.1983.1095823
关键词: Real number 、 Artificial intelligence 、 Mathematics 、 Digital image 、 Pixel 、 Computer vision 、 Mathematical analysis 、 Transform coding 、 Work (thermodynamics) 、 Outer product 、 Non-linear iterative partial least squares 、 Digital image compression
摘要: We approximate a digital image as sum of outer products dxyTwhere d is real number but the vectors x and y have elements +1, -1, or 0 only. The expansion gives least squares approximation. Work proportional to pixels; reconstruction involves only additions.
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