3D shape recovery from image defocus using wavelet analysis

  title={3D shape recovery from image defocus using wavelet analysis},
  author={Muhammad Asif Khan and Aamir Saeed Malik and Tae-Sun Choi},
  journal={IEEE International Conference on Image Processing 2005},
We propose a new method for depth from defocus (DFD) using wavelet transform. Most of the existing DFD methods use inverse filtering to determine the measure of defocus. These methods suffer from inaccuracies in finding the frequency domain representation due to windowing and border effects. The proposed method uses wavelets that allow performing both the local analysis and windowing with variable-sized regions for images with varying textural properties. We show that normalized image ratio of… CONTINUE READING

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