四级阿达玛变换

[1988] Proceedings. The Twentieth Southeastern Symposium on System Theory Pub Date : 1988-03-20 DOI:10.1109/SSST.1988.17041

J. Komo, Yuan Chengchi

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引用次数: 2

摘要

提出了一种比二元阿达玛变换更通用的四阶阿达玛变换。该变换保持与二进制阿达玛变换相同的行正交性，但需要使用复数。由四阶Hadamard变换得到了一个四阶Walsh变换。这些四级变换适用于图像和语音处理。

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Four level Hadamard transform

A four-level Hadamard transform that is more general than the binary Hadamard transform is presented. The transform maintains the same row orthogonality as the binary Hadamard transform but requires the use of complex numbers. A four-level Walsh transform is also obtained from the four-level Hadamard transform. These four-level transforms are applicable to image and speech processing.<>

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[1988] Proceedings. The Twentieth Southeastern Symposium on System Theory

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