Subpixel phase-based image registration using Savitzky-Golay differentiators in gradient-correlation.
Amir HajiRassoulihaAndrew J. TabernerMartyn P. NashPoul M. F. NielsenPublished in: Comput. Vis. Image Underst. (2018)
Keyphrases
- image registration
- subpixel accuracy
- phase correlation
- mutual information
- poisson equation
- coarse to fine
- learning phase
- image alignment
- multi modality
- medical imaging
- image matching
- optical flow
- edge detection
- correlation coefficient
- image analysis
- medical image registration
- correlation function
- affine transformation
- gradient information
- image processing
- image pairs
- cross correlation
- feature matching
- structure tensor
- neural network
- frequency domain
- gradient field
- gradient direction
- super resolution
- preprocessing phase
- pattern recognition
- image sequences
- instantaneous frequency