Digital Image Compression by Outer Product Expansion

Dianne P. O'LEARY; Shmuel Peleg; Shmuel Peleg; Shmuel Peleg

doi:10.1109/TCOM.1983.1095823

Digital Image Compression by Outer Product Expansion

Dianne P. O'LEARY, Shmuel Peleg, Shmuel Peleg, Shmuel Peleg

The Rachel and Selim Benin School of Engineering and Computer Science

Research output: Contribution to journal › Article › peer-review

63 Scopus citations

Abstract

We approximate a digital image as a sum of outer products dxy^T where d is a real number but the vectors x and y have elements +1, –1, or 0 only. The expansion gives a least squares approximation. Work is proportional to the number of pixels; reconstruction involves only additions.

Original language	English
Pages (from-to)	441-444
Number of pages	4
Journal	IEEE Transactions on Communications
Volume	31
Issue number	3
DOIs	https://doi.org/10.1109/TCOM.1983.1095823
State	Published - Mar 1983

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title = "Digital Image Compression by Outer Product Expansion",

abstract = "We approximate a digital image as a sum of outer products dxyT where d is a real number but the vectors x and y have elements +1, –1, or 0 only. The expansion gives a least squares approximation. Work is proportional to the number of pixels; reconstruction involves only additions.",

author = "O'LEARY, {Dianne P.} and Shmuel Peleg and Shmuel Peleg and Shmuel Peleg",

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Digital Image Compression by Outer Product Expansion

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