GMLight: Lighting Estimation via Geometric Distribution Approximation.
Fangneng ZhanYingchen YuChanggong ZhangRongliang WuWenbo HuShijian LuFeiying MaXuansong XieLing ShaoPublished in: IEEE Trans. Image Process. (2022)
Keyphrases
- maximum likelihood estimator
- viewpoint
- probability density
- multiscale
- estimation algorithm
- nonparametric estimation
- discrete random variables
- information geometry
- density distribution
- spatial distribution
- density function
- probability distribution
- density estimation
- kernel density
- update equations
- probability mass
- approximation error
- importance sampling
- accurate estimation
- power law
- error bounds
- illumination conditions
- approximation algorithms
- human faces
- robust estimation
- lighting conditions
- estimation process
- maximum likelihood
- geometric constraints
- lower bound
- probability density function
- face recognition
- neural network