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  • 标题:Analysis of Image Demosaicking Algorithms
  • 本地全文:下载
  • 作者:Nivedita Chatterjee ; Avinash Dhole
  • 期刊名称:International Journal of Innovative Research in Computer and Communication Engineering
  • 印刷版ISSN:2320-9798
  • 电子版ISSN:2320-9801
  • 出版年度:2014
  • 卷号:2
  • 期号:5
  • 出版社:S&S Publications
  • 摘要:Images in any digital camera is formed through interpolation. Interpolation involves estimating values ofR, G and B components separately and then merging them altogether to form a complete color image. Beforeinterpolation image rays are made to pass through Bayer Filter, which arranges them in an alternate pattern where 50%pixels are of green color and remaining blue and red pixels are of 25-25% respectively. Interpolaion involvesestimation of the missing color components to reconstruct a full image. Few algorithm results in formation ofartifacts(zippering effect) which degrade the image quality. This paper gives a concise study of few adopted algorithmalong with their advantages and disadvantages.
  • 关键词:demosaicking; bayer filter; CFA; interpolation; zippering; correlation; PSNR
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