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28 November 2007 New color image processing with color filter array for single chip camera
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A color image of digital camera is obtained by interpolated CFA (Color Filter Array) data from single sensor digital camera. Using JPEG compression method to interpolated data, the maximal compression ratio is less than 90:1. In this paper, an improved compression method is discussed which applied JPEG compression to raw data after two luminance components had been processed further. Results show that CPSNR of improved method is the highest among conventional method and existing methods while the compression ratio is over 90:1. And another attractive result is the image quality is better when the compression ratio up to 120:1, and the conventional JPEG compression method is helpless at such compression ratio. The further work will be concentrate on its application with hardware support.
© (2007) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
J. J. Wang, R. F. Li, Z. Wang, and W. Y. Liu "New color image processing with color filter array for single chip camera", Proc. SPIE 6833, Electronic Imaging and Multimedia Technology V, 68331B (28 November 2007);


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