Volume 2 Issue 6
Dec.  2009
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LI Yuan-yuan, MENG Wei. Real-time hardware Bayer color image restoration algorithm and its implementation[J]. Chinese Optics, 2009, 2(6): 538-542.
Citation: LI Yuan-yuan, MENG Wei. Real-time hardware Bayer color image restoration algorithm and its implementation[J]. Chinese Optics, 2009, 2(6): 538-542.

Real-time hardware Bayer color image restoration algorithm and its implementation

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  • Corresponding author: LI Yuan-yuan
  • Received Date: 11 Sep 2009
  • Rev Recd Date: 13 Nov 2009
  • Publish Date: 20 Dec 2009
  • An improved fast Bayer interpolation algorithm based on the Field Programming Gate Array(FPGA) was presented to solve the problems of a traditional bilinear Bayer color image restoration on edge blurring and lumps in images. With the algorithm, a gradient algorithm was used to restore the green channel and the color groups corresponding to pixels to restore the blue channel for a image. Experimental results indicate that the algorithm can offer a better visual effect of the images, and the Signal to Noise Ratios(SNRs) of RGB channels obtained from the proposed algorithm are all higher 5 dB than those of obtained from the bilinear algorithm. Moreover, the time-consuming of the algorithm is less than that of the bilinear algorithm, and a 512× 512 full color image can be processed in 9.3 ms. These results can meet the requirements of real time image processing and have higher application values.

     

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      沈阳化工大学材料科学与工程学院 沈阳 110142

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