Covid-19 Chest CT Scan Image Classification Using LCKSVD and Frozen Sparse Coding.
Kaveen LiyanageFereshteh RamezaniBradley M. WhitakerPublished in: MICAD (2021)
Keyphrases
- sparse coding
- image classification
- ct scans
- x ray
- computed tomography
- ct images
- dictionary learning
- medical images
- sparse representation
- image representation
- image reconstruction
- visual words
- medical imaging
- three dimensional
- bag of words
- image features
- x ray images
- visual recognition
- lymph nodes
- feature extraction
- sparse codes
- region of interest
- computer aided diagnosis
- visual categorization
- codebook generation
- discriminative dictionary
- lung cancer
- computer vision
- unsupervised learning
- image processing
- automatic segmentation
- linear combination
- natural images
- signal processing
- co occurrence
- feature space