Image Quality Improvement for Capsule Endoscopy Based on Compressed Sensing with K-SVD Dictionary Learning.
Yuuki HaradaDaisuke KanemotoTakahiro InoueOsamu MaidaTetsuya HirosePublished in: IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (2022)
Keyphrases
- sparse representation
- dictionary learning
- compressed sensing
- image classification
- image representation
- test images
- quality improvement
- sparse coding
- orthogonal matching pursuit
- random projections
- image data
- image features
- capsule endoscopy
- natural images
- multiscale
- face recognition
- dimensionality reduction
- input image
- compressive sensing
- image retrieval
- signal processing
- high resolution
- image analysis
- high dimensional data
- object recognition
- sparse codes
- bag of words
- image segmentation
- computer aided
- image reconstruction
- image regions
- feature space
- feature extraction
- visual words
- image patches
- generative model
- training set
- similarity measure
- computer vision