Practical Signal-Dependent Noise Parameter Estimation From a Single Noisy Image

@article{Liu2014PracticalSN,
  title={Practical Signal-Dependent Noise Parameter Estimation From a Single Noisy Image},
  author={Xinhao Liu and Masayuki Tanaka and Masatoshi Okutomi},
  journal={IEEE Transactions on Image Processing},
  year={2014},
  volume={23},
  pages={4361-4371}
}
The additive white Gaussian noise is widely assumed in many image processing algorithms. However, in the real world, the noise from actual cameras is better modeled as signal-dependent noise (SDN). In this paper, we focus on the SDN model and propose an algorithm to automatically estimate its parameters from a single noisy image. The proposed algorithm identifies the noise level function of signal-dependent noise assuming the generalized signal-dependent noise model and is also applicable to… CONTINUE READING

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