Feature Extraction Based on Sparse Coding Approach for Hand Grasp Type Classification.
Jirayu SamkuntaPatinya KetthongNghia Thi MaiMd. Abdus Samad KamalIwanori MurakamiKou YamadaPublished in: Algorithms (2024)
Keyphrases
- sparse coding
- image classification
- feature extraction
- dictionary learning
- feature space
- sparse representation
- object category recognition
- unsupervised learning
- feature vectors
- pattern recognition
- natural images
- feature representation
- generative model
- bag of words
- sparse codes
- linear combination
- image representation
- feature selection
- supervised learning
- support vector machine svm
- visual words
- image patches
- text classification
- machine learning
- spatial pyramid matching
- face recognition
- support vector machine
- training set
- image processing
- decision trees
- support vector
- multi class
- small number
- principal component analysis
- feature set
- maximum likelihood