Calibration of spatial distribution of light sources in reflectance transformation imaging based on adaptive local density estimation.
Yuly CastroMarvin NuritGilles PitardAbir ZendaguiGaëtan Le GoïcVincent BrostArnaud BoucherAlamin MansouriAnthony PamartLivio De LucaPublished in: J. Electronic Imaging (2020)
Keyphrases
- density estimation
- spatial distribution
- light source
- multiple light sources
- photometric stereo
- single image
- shape from shading
- reflectance properties
- specular reflection
- spatial information
- helmholtz stereopsis
- surface reflectance
- object surface
- surface normals
- single viewpoint
- mixture model
- ambient light
- density function
- surface orientation
- lighting conditions
- cast shadows
- viewing direction
- illumination conditions
- probability density
- outlier detection
- probability density function
- color constancy
- structured light
- diffuse reflectance
- illumination direction
- gaussian mixture model
- lambertian surface
- reflectance model
- point light source
- em algorithm
- camera calibration
- image processing
- multi view