Sparse Coding with Fast Image Alignment via Large Displacement Optical Flow.
Xiaoxia SunNasser M. NasrabadiTrac D. TranPublished in: CoRR (2015)
Keyphrases
- sparse coding
- optical flow
- image alignment
- natural images
- sparse representation
- optical flow estimation
- lucas kanade
- linear combination
- image registration
- unsupervised learning
- generative model
- active appearance models
- image classification
- motion parameters
- image sequences
- image representation
- motion field
- flow field
- computer vision
- image patches
- least squares
- medical imaging
- high dimensional
- moving objects
- feature space
- motion model
- motion estimation
- camera motion
- visual words
- motion segmentation
- image features
- dimensionality reduction
- denoising
- high quality
- input image