Sub-pixel shift estimation of image based on the least squares approximation in phase region.
Ryo FujimotoTakanori FujisawaMasaaki IkeharaPublished in: EUSIPCO (2016)
Keyphrases
- policy evaluation
- least squares
- phase unwrapping
- semi parametric
- robust estimation
- parameter estimation
- input image
- curve fitting
- homogeneous regions
- image pixels
- optical flow
- grey level
- learning phase
- region of interest
- estimation algorithm
- region boundaries
- density estimation
- color regions
- sparse linear
- background pixels
- edge map
- intensity values
- computer vision
- closed form
- multiscale