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Issue No. 09 - September (1975 vol. 24)
ISSN: 0018-9340
pp: 888-896
K.R. Rao , Department of Electrical Engineering, University of Texas at Arlington
A hybrid version of the Haar and Walsh-Hadamard transforms (HT and WHT) called Hadamard-Haar transform (HHT),is defined and developed. Efficient algorithms for fast computation of the (HHT), and its inverse are developed. (HHT)r is applied to digital signal and image processing and its utility and effectiveness are compared with other discrete transforms on the basis of some standard performance criteria.
Data compression, digital time processing, feature selection, Hadamard?Haar transform (HHT)r, Wiener filtering.

M. Narasimhan, K. Revuluri and K. Rao, "Image Data Processing by Hadamard-Haar Transform," in IEEE Transactions on Computers, vol. 24, no. , pp. 888-896, 1975.
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