A new approach for shadow detection and compensation in color face images using within-class variance and effect evaluation.
Tran Anh TuanAsmatullah ChaudhryJin Young KimPublished in: ISSPIT (2012)
Keyphrases
- face images
- shadow detection
- face recognition
- shadow detection algorithm
- human faces
- facial expressions
- principal component analysis
- outdoor scenes
- low resolution
- shadow removal
- feature extraction
- feature vectors
- edge information
- high resolution
- test images
- background subtraction
- facial features
- illumination variations
- training set
- video surveillance
- feature points
- computer vision
- three dimensional
- cast shadows
- high quality
- color space
- data sets
- input image