An optimization-based approach to gamma correction parameter estimation for low-light image enhancement.
Inho JeongChul LeePublished in: Multim. Tools Appl. (2021)
Keyphrases
- parameter estimation
- gamma correction
- image enhancement
- low light
- maximum likelihood
- image analysis
- image processing
- homomorphic filtering
- least squares
- em algorithm
- model selection
- edge detection
- markov random field
- expectation maximization
- digital camera
- contrast enhancement
- visible spectrum
- probabilistic model
- motion blur
- transfer function
- computer vision
- facial expressions
- pattern recognition
- three dimensional