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Image Reconstruction Using 2D M-ch Perfect Reconstruction Filter Bank with Optimized Adaptive interpolation kernel  

Kim, Jin-Young (한양대학교 전자통신컴퓨터학과)
Nam, Sang-Won (한양대학교 전자통신컴퓨터학과)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.56, no.4, 2007 , pp. 795-798 More about this Journal
Abstract
In this paper, we propose an image reconstruction method utilizing an optimized adaptive interpolation kernel along with a 2D M-channel perfect reconstruction filter bank (M-ch PR-FB) structure. In particular, the proposed approach leads to construction of a sharper image than a direct conversion, still preserving high frequency components of the original image through the subband processing of the 2D M-ch PR-FB. Finally, the image quality of the proposed approach is demonstrated by comparing with those of the direct methods using conventional interpolation kernels.
Keywords
Image reconstruction; M-ch PR-FB; Compactly Supported Sampling Function; Adaptive interpolation; PSO;
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