AgeCAPTCHA: an Image-based CAPTCHA that Annotates Images of Human Faces with their Age Groups.
Jonghak KimJoonhyuk YangKwangyun WohnPublished in: KSII Trans. Internet Inf. Syst. (2014)
Keyphrases
- human faces
- lighting conditions
- synthesized images
- image data
- face recognition
- image database
- human head
- age groups
- input image
- object recognition
- image retrieval
- feature points
- age progression
- facial expressions
- face images
- frontal view
- test images
- image features
- facial images
- face databases
- three dimensional
- computer vision
- image matching
- illumination conditions
- hong kong
- feature vectors
- image processing