raw speckle images using an energy-based on DWT coefficients.
Francisco Javier Lopez-TiroHayde Peregrina-BarretoJose de Jesus Rangel-MagdalenoJulio Cesar Ramirez-San-JuanPublished in: Biomed. Signal Process. Control. (2021)
Keyphrases
- discrete wavelet transformation
- image data
- image database
- image classification
- input image
- image retrieval
- medical ultrasound
- test images
- image analysis
- three dimensional
- image registration
- speckle noise
- discrete wavelet transform
- wavelet coefficients
- contrast enhancement
- image features
- edge detection
- high frequency
- noise reduction
- wavelet domain
- linear combination
- wavelet transform coefficients
- digital images
- multiresolution
- raw data
- sar images
- denoising methods
- multiplicative noise