Example-Based Image Colorization Using Locality Consistent Sparse Representation.
Bo LiFuchen ZhaoZhuo SuXiangguo LiangYu-Kun LaiPaul L. RosinPublished in: IEEE Trans. Image Process. (2017)
Keyphrases
- sparse representation
- image representation
- image classification
- test images
- reconstruction error
- piecewise smooth
- single image
- image data
- image features
- dictionary learning
- sparse coding
- input image
- sparse reconstruction
- multiscale
- face recognition
- segmented images
- sparse coefficients
- image segmentation
- joint optimization
- image patches
- compressive sensing
- image retrieval
- spatial information
- natural images
- interpolation method
- basis vectors
- image matching
- image regions
- semi supervised
- color images
- high resolution