A Scale and Rotational Invariant Key-point Detector based on Sparse Coding.
Thanh Hong-PhuocLing GuanPublished in: ACM Trans. Intell. Syst. Technol. (2021)
Keyphrases
- sparse coding
- keypoints
- rotational invariant
- visual words
- scale space
- dictionary learning
- natural images
- sparse representation
- multiscale
- image classification
- object recognition
- linear combination
- image features
- generative model
- texture segmentation
- discriminative power
- unsupervised learning
- image representation
- local binary pattern
- scale invariant feature transform
- detection method
- high dimensional
- image patches
- computer vision
- feature space
- bag of features
- feature extraction
- pattern recognition
- input image
- multiresolution
- prior knowledge
- machine learning
- probabilistic model