Sparse coding with fast image alignment via large displacement optical flow.
Xiaoxia SunNasser M. NasrabadiTrac D. TranPublished in: ICASSP (2016)
Keyphrases
- sparse coding
- optical flow
- image alignment
- lucas kanade
- natural images
- sparse representation
- optical flow estimation
- linear combination
- image classification
- image registration
- image sequences
- unsupervised learning
- active appearance models
- generative model
- image representation
- motion field
- motion estimation
- motion model
- least squares
- motion parameters
- computer vision
- image patches
- flow field
- visual words
- feature space
- camera motion
- medical imaging
- moving objects
- motion segmentation
- multiscale
- signal processing
- image analysis
- data sets
- image processing
- denoising