Fast PNN algorithm for design of VQ initial codebook

Day-Fann Shen; Kuo-Shu Chang

doi:10.1117/12.298396

9 January 1998 Fast PNN algorithm for design of VQ initial codebook

Day-Fann Shen, Kuo-Shu Chang

Proceedings Volume 3309, Visual Communications and Image Processing '98; (1998) https://doi.org/10.1117/12.298396
Event: Photonics West '98 Electronic Imaging, 1998, San Jose, CA, United States

Abstract

PNN algorithm is excellent for obtaining an initial codebook in VQ design. However, the drawback of PNN is its computational complexity, especially when the training set size is large. In this paper, we explore the characteristics of PNN algorithm and propose a fast PNN algorithm using memory which can reduce the computational complexity from O(L³) to O(L²).

Citation Download Citation

Day-Fann Shen and Kuo-Shu Chang "Fast PNN algorithm for design of VQ initial codebook", Proc. SPIE 3309, Visual Communications and Image Processing '98, (9 January 1998); https://doi.org/10.1117/12.298396

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