Lightness determination at curved surfaces with applications to dynamic range compression and model-based coding of facial images.
Werner BlohmPublished in: IEEE Trans. Image Process. (1997)
Keyphrases
- facial images
- dynamic range compression
- curved surfaces
- image enhancement
- color constancy
- range data
- face recognition
- high dynamic range
- d objects
- contrast enhancement
- surface normals
- human faces
- facial expressions
- face detection
- surface orientation
- image database
- epipolar geometry
- single scale
- image processing
- shape from shading
- multiscale
- range images
- enhanced image
- image reconstruction
- transfer function
- high quality