defocus blurred image. Unlike other methods for depth estimation which are based on the characteristics of the three-dimensional information, here, only constant camera parameters are considered. Thus, the change of distance of the object from the camera...

A conventional camera with small size pixels may capture images with defocused blurred regions. Blurring, as a lowpass filter, attenuates or drops details of the captured image. This fact makes deblurring as an ill-posed problem. Coded aperture...