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Adaptive Image Interpolation Algorithm Using Local Characteristics  

Jeong, Shin-Cheol (School of Electronic Engineering, Inha University)
Song, Byung-Cheol (School of Electronic Engineering, Inha University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea SP / v.46, no.5, 2009 , pp. 111-119 More about this Journal
Abstract
This paper presents an adaptive image interpolation algorithm using local characteristics. An input image is classified into edge region and flat low frequency region. And then, the edge region is further partitioned into directive edge region and high frequency texture region. A bilinear interpolation is applied to flat low frequency region, cubic convolution is applied to texture region, and new edge directed interpolation to directive edge region, respectively. Simulation results show that the proposed algorithm outperforms the existing interpolation methods in terms of visual quality as well as PSNR.
Keywords
보간;에지;영역별 특성;
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Times Cited By KSCI : 1  (Citation Analysis)
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