Learning Rotational Invariant Dictionary for Sparse Coding based Key-point Detection.
Thanh Hong-PhuocLing GuanPublished in: MIPR (2022)
Keyphrases
- sparse coding
- dictionary learning
- keypoints
- sparse representation
- unsupervised learning
- learning algorithm
- reinforcement learning
- visual words
- image classification
- natural images
- linear combination
- discriminative dictionary
- sparse codes
- image representation
- image features
- distance measure
- supervised learning
- prior knowledge
- object recognition
- rotational invariant
- multiscale