Image CAPTCHA: Based on human understanding of real world distances.
R. AadhiraiP. J. Sathish KumarS. VishnupriyaPublished in: IHCI (2012)
Keyphrases
- real world
- image features
- image analysis
- input image
- image data
- image retrieval
- image content
- multiscale
- single image
- test images
- image matching
- low level
- human centric
- grey level
- template matching
- hough transform
- segmentation method
- data sets
- hausdorff distance
- dissimilarity measure
- image segmentation
- image classification
- multiresolution
- region of interest
- high resolution
- image collections
- pixel values
- static images
- face recognition
- image pixels
- hamming distance
- human beings
- case study
- keypoints
- human visual
- image representation