Image reconstruction through projection of wavelet coefficients

Chul-Woo Kim; HyoJoon Kim; ChoongWoong Lee

doi:10.1117/12.233289

27 February 1996 Image reconstruction through projection of wavelet coefficients

Chul-Woo Kim, HyoJoon Kim, ChoongWoong Lee

Proceedings Volume 2727, Visual Communications and Image Processing '96; (1996) https://doi.org/10.1117/12.233289
Event: Visual Communications and Image Processing '96, 1996, Orlando, FL, United States

Abstract

This paper proposes an image reconstruction algorithm that adopts projection scheme on wavelet transform domain of image signal. Wavelet decomposed image is encoded by the result of projection along one direction out of eight which approximates the coefficients most closely to the originally transformed coefficients. These projection data are vector quantized using separate codebooks depending on the decomposition level and orientation of decomposed image. Experimental result reveals that the proposed scheme shows excellent performance in PSNR manner and also shows good subjective quality.

Citation Download Citation

Chul-Woo Kim, HyoJoon Kim, and ChoongWoong Lee "Image reconstruction through projection of wavelet coefficients", Proc. SPIE 2727, Visual Communications and Image Processing '96, (27 February 1996); https://doi.org/10.1117/12.233289

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