Despeckling of Ultrasound Images Using Block Matching and SVD in Sparse Representation.
Rogelio Reyes-ReyesGibran Aranda-BojorgesBeatriz Paulina Garcia SalgadoVolodymyr I. PonomaryovClara Cruz-RamosSergiy SadovnychiyPublished in: Sensors (2022)
Keyphrases
- sparse representation
- block matching
- ultrasound images
- speckle noise
- dimensionality reduction
- motion estimation
- optical flow
- motion vectors
- motion compensation
- ultrasound imaging
- image classification
- speckle reduction
- video compression
- face recognition
- block size
- edge detection
- high dimensional data
- image patches
- test images
- image representation
- data sets
- motion field
- principal component analysis
- image sequences
- low dimensional
- signal processing
- pattern recognition
- video sequences
- prediction error
- denoising
- multiscale