Medical image noise reduction and region contrast enhancement using partial differential equations.
Miguel Alemán-FloresLuis Álvarez-LeónPatricia Alemán-FloresRafael Fuentes-PavónJosé Manuel Santana-MontesdeocaPublished in: IADIS AC (2) (2009)
Keyphrases
- partial differential equations
- medical images
- noise reduction
- contrast enhancement
- image enhancement
- edge detection
- unsharp masking
- region of interest
- multiscale
- anisotropic diffusion
- edge preserving
- image processing
- median filter
- medical imaging
- signal to noise ratio
- noise removal
- mr images
- low contrast
- magnetic resonance imaging
- magnetic resonance
- edge enhancement
- magnetic resonance images
- fourth order
- noise level
- image analysis
- region growing
- nonlinear diffusion
- tone mapping
- color images
- image denoising
- input image
- gray level
- curve evolution
- speckle noise
- level set
- scale space
- pattern recognition
- energy functional
- noisy images
- object recognition
- image compression
- higher order