A Tiered-Color Illumination Approach for Machine Inspection of Solder Joints.
David W. CapsonSai-Kit EngPublished in: IEEE Trans. Pattern Anal. Mach. Intell. (1988)
Keyphrases
- color constancy
- rgb color
- color images
- color distribution
- color information
- color space
- pixel intensities
- outdoor scenes
- printed circuit boards
- imaging conditions
- changing illumination
- color invariant
- retinex theory
- white light
- monochrome images
- spectral reflectance
- illumination invariance
- illumination direction
- viewing angle
- varying illumination
- lighting variations
- light intensity
- intrinsic images
- image texture
- global illumination
- surface reflectance
- rgb values
- color correction
- color quantization
- color model
- single image
- illumination conditions
- images of natural scenes
- homomorphic filtering
- lighting conditions
- viewpoint
- texture features
- shape from shading
- partial occlusion
- reflectance model
- image retrieval
- viewing direction