Echocardiography noise reduction using sparse representation.
Parisa GifaniHamid BehnamFarzan HaddadiZahra Alizadeh SaniPeyman GifaniPublished in: Comput. Electr. Eng. (2016)
Keyphrases
- noise reduction
- sparse representation
- dictionary learning
- signal to noise ratio
- sparse coding
- edge preserving
- edge detection
- noise level
- face recognition
- image classification
- compressed sensing
- median filter
- noisy environments
- image patches
- high dimensional data
- compressive sensing
- joint optimization
- noise removal
- image representation
- signal processing
- speech enhancement
- pattern recognition
- random projections
- dimensionality reduction
- bilateral filter
- image segmentation
- least squares