Enhancement of low-contrast images by internal noise-induced Fourier coefficient rooting.
Rajlaxmi ChouhanPrabir Kumar BiswasRajib Kumar JhaPublished in: Signal Image Video Process. (2015)
Keyphrases
- high contrast
- low contrast
- speckle noise
- background noise
- high noise
- contrast enhancement
- image enhancement
- enhanced image
- fully automatic
- accurate segmentation
- gray value
- blood vessels
- edge detection
- mammographic images
- intensity variations
- cell nuclei
- image gradient
- ultrasound images
- noise reduction
- cell segmentation
- imaging modalities
- gray level
- input image
- median filter
- watershed transform
- image reconstruction
- segmentation method
- noise free
- image analysis
- prior shape knowledge
- computer vision
- noisy environments
- noise removal
- gaussian noise
- automatic segmentation
- segmentation algorithm
- level set
- image registration
- image data
- image processing