Number | Name | Date | Kind |
---|---|---|---|
3488508 | Weimer | Jan 1970 | |
3801820 | Eichelberger et al. | Apr 1974 | |
3856989 | Weimer | Dec 1974 | |
3904818 | Kovac | Sep 1975 | |
3919468 | Weimer | Nov 1975 |
Entry |
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Pratt et al., "Hadamaro Transform Image Coding", Proceedings of the IEEE, vol. 57, No. 1, Jan. 1969, pp. 58-68. |