Simultaneous Out-of-focus Blur Estimation And Restoration For A Digital Auto-focusing System

@article{Kim1998SimultaneousOB,
  title={Simultaneous Out-of-focus Blur Estimation And Restoration For A Digital Auto-focusing System},
  author={Sang Ku Kim and S. R. Park and Joon Ki Paik},
  journal={International 1998 Conference on Consumer Electronics},
  year={1998},
  pages={430-432}
}
111. PROPOSED IMAGE DEGRADATION SYSTEM Digital image restoration based on estimated PSF Ab8tractIn order to increase accuracy in estimating the point spread function (PSF) of out-of-focus blur, we subdivided the input image and then averaged PSFs from each sub-image. The PSF of each subimage is estimated by differentiating step response along the appropriately estimated edge direction under assumption that an image usually has piece-wise linear boundary between an object and background. Once… CONTINUE READING
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