Quad-Tree Motion Estimation in the Frequency Domain Using Gradient Correlation.
Vasileios ArgyriouTheodore VlachosPublished in: IEEE Trans. Multim. (2007)
Keyphrases
- frequency domain
- quadtree
- motion estimation
- phase correlation
- spatial domain
- cross correlation
- inter frame
- multiresolution
- fourier transform
- power spectral
- subband
- data structure
- tree structure
- feature extraction
- frequency analysis
- block matching
- block size
- image sequences
- image representation
- optical flow
- denoising
- power spectrum
- motion compensation
- video sequences
- fourier domain
- video coding
- motion vectors
- quad trees
- filter bank
- macroblock
- spectrum analysis
- fourier analysis
- computational complexity
- super resolution
- computer vision
- power spectra
- video compression
- fast fourier transform
- edge detection
- image processing
- discrete fourier transform
- log polar
- matching algorithm