Breaking down Captcha using edge corners and fuzzy logic segmentation/recognition technique.
Rabih Al NacharElie InatyPatrick J. BonninYasser AlayliPublished in: Secur. Commun. Networks (2015)
Keyphrases
- fuzzy logic
- edge detection
- recognition rate
- image parsing
- numeral strings
- recognition accuracy
- segmentation algorithm
- neural network
- symbol recognition
- multiple scales
- image segmentation
- medical images
- image analysis
- segmentation method
- correct recognition
- shape prior
- object recognition
- multiscale
- feature extraction
- decision making
- genetic algorithm
- region growing
- level set
- expert systems
- pattern recognition
- corner detection
- control system
- membership functions
- edge information
- artificial intelligence
- character recognition
- intermediate level vision
- recognition algorithm
- edge detector
- fuzzy sets
- computational intelligence
- object segmentation
- automatic recognition
- action recognition
- graph cuts
- region segmentation
- fully unsupervised
- user authentication
- image edges
- scale space
- step edges
- image processing
- computer vision