Image enhancement using DCT-based matrix homomorphic filtering method.
Su-Ling LeeChien-Cheng TsengPublished in: APCCAS (2016)
Keyphrases
- image enhancement
- filtering method
- post processing
- image processing
- impulse noise
- noise removal
- median filter
- image analysis
- denoising
- edge detection
- fingerprint images
- image compression
- contrast enhancement
- diffusion equation
- partial differential equations
- transfer function
- histogram equalization
- filtering algorithm
- multiscale
- pattern recognition
- scale space
- enhanced image
- image contrast enhancement