Denoising of poisson-corrupted microscopic biopsy images using fourth-order partial differential equation with ant colony optimization.
Prem Chand YadavaSubodh SrivastavaPublished in: Biomed. Signal Process. Control. (2024)
Keyphrases
- fourth order
- partial differential equations
- edge preservation
- ant colony optimization
- smooth regions
- noise removal
- denoising
- image denoising
- image interpolation
- anisotropic diffusion
- gaussian noise
- metaheuristic
- high order
- denoising methods
- edge detection
- image enhancement
- nonlinear diffusion
- numerical algorithms
- image processing
- image analysis
- noisy images
- natural images
- particle swarm optimization
- level set
- input image
- genetic algorithm
- multiscale
- energy functional
- diffusion equation
- cost function
- image features
- piecewise smooth
- wavelet domain
- total variation
- aco algorithm
- locally adaptive
- edge preserving
- estimation error
- signal to noise ratio
- noise reduction