PolSAR image speckle reduction based on sparse representation and structure characteristics.
Ping HanXiaohong YuXiaoguang LuHai LiPublished in: ICASSP (2014)
Keyphrases
- sparse representation
- image classification
- image representation
- test images
- dictionary learning
- multiscale
- sparse coding
- sparse coefficients
- image data
- image features
- compressive sensing
- speckle noise
- image retrieval
- input image
- image patches
- face recognition
- pixel values
- contrast enhancement
- low contrast
- high resolution
- similarity measure
- image segmentation
- feature selection
- speckle reduction
- maximum likelihood
- ultrasound images
- data sets
- edge detection
- co occurrence
- computer vision