FaceCAPTCHA: a CAPTCHA that identifies the gender of face images unrecognized by existing gender classifiers.
Jonghak KimSang-Tae KimJoonhyuk YangJung-hee RyuKwangyun WohnPublished in: Multim. Tools Appl. (2014)
Keyphrases
- face images
- face recognition
- training set
- human faces
- training samples
- principal component analysis
- facial expressions
- low resolution
- feature vectors
- facial features
- automatic face
- human face recognition
- face recognition systems
- face matching
- training data
- pose variations
- face verification
- face representation and recognition
- decision trees
- high resolution
- illumination variations
- face space
- feature extraction
- face databases
- support vector
- data sets
- face detection
- recognition rate
- gabor wavelets
- input image
- age estimation
- gender recognition
- yale database
- low resolution face images