Robust Scene Text Recognition Using Sparse Coding based Features.
Da-Han WangHanzi WangDong ZhangJonathan LiDavid ZhangPublished in: CoRR (2015)
Keyphrases
- sparse coding
- feature space
- natural images
- image classification
- sparse representation
- linear combination
- feature vectors
- image representation
- unsupervised learning
- generative model
- co occurrence
- low level
- discriminative power
- computer vision
- feature set
- prior knowledge
- keypoints
- higher order
- small number
- ground truth
- object recognition
- multiscale
- feature extraction