Illumination invariant feature extraction based on natural images statistics - Taking face images as an example.
Lu-Hung ChenYao-Hsiang YangChu-Song ChenMing-Yen ChengPublished in: CVPR (2011)
Keyphrases
- natural images
- illumination invariant
- face images
- face recognition
- feature extraction
- local binary pattern
- input image
- gabor features
- gabor wavelets
- multiscale
- face databases
- higher order
- principal component analysis
- object recognition
- human faces
- denoising
- feature vectors
- image patches
- facial features
- linear discriminant analysis
- low resolution
- texture classification
- facial expressions
- sparse coding
- computer vision
- face tracking
- multi band
- sparse representation
- test images
- face detection
- feature space
- superpixels
- image classification
- filter responses
- texture information
- multiresolution
- machine learning
- invariant features
- facial expression recognition
- wavelet transform
- facial images
- dimensionality reduction
- texture analysis
- gabor filters
- high quality
- feature points
- image processing
- frequency domain