Digital Image Compression by Outer Product Expansion
| Title | Digital Image Compression by Outer Product Expansion |
| Publication Type | Journal Articles |
| Year of Publication | 1983 |
| Authors | O'Leary DP, Peleg S |
| Journal | Communications, IEEE Transactions on |
| Volume | 31 |
| Issue | 3 |
| Pagination | 441 - 444 |
| Date Published | 1983/03// |
| ISBN Number | 0090-6778 |
| Keywords | approximation;, coding;, image, Least-squares, Transform |
| Abstract | We approximate a digital image as a sum of outer products dxyTwheredis a real number but the vectorsxandyhave 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. |
| DOI | 10.1109/TCOM.1983.1095823 |