Chimera CAPTCHA: A Proposal of CAPTCHA Using Strangeness in Merged Objects.
Masahiro FujitaYuki IkeyaJunya KaniMasakatsu NishigakiPublished in: HCI (22) (2015)
Keyphrases
- user authentication
- d objects
- multi object
- object model
- object segmentation
- spatial relationships
- data objects
- real world objects
- target object
- multiple objects
- object classes
- partial occlusion
- neural network
- data structure
- image segmentation
- case study
- metadata
- information systems
- learning algorithm
- genetic algorithm
- machine learning