Practical anti-vignetting methods for digital cameras

@article{Yu2004PracticalAM,
  title={Practical anti-vignetting methods for digital cameras},
  author={Wonpil Yu},
  journal={IEEE Transactions on Consumer Electronics},
  year={2004},
  volume={50},
  pages={975-983}
}
Vignetting is a position-dependent light intensity falloff commonly found for commercial digital cameras. An anti-vignetting method is concerned with the estimation of a correction factor at each pixel position. In this paper, we propose two anti-vignetting methods which effectively estimate the distribution of correction factors. The first method utilizes wavelet-based denoising for efficient suppression of input image noise. Decimation of the smoothed distribution of correction factors is… CONTINUE READING
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