Inspec keywords: crowdsourcing; feature extraction; handwriting recognition; image annotation; visual databases; image classification; image forensics

Other keywords: forensic document examiner analysis; static images; feature extraction level; dynamic time sequences; online information; human actions; classification level; ASV systems; offline information; automatic signature authentication system improvement; human interventions; crowdsourced signature authentication task; human intervention; signature attributes; AS authentication system improvement; manually annotated signature attributes; public database; AS verification systems; attribute-based human signature authentication

Subjects: Computer vision and image processing techniques; Image recognition; Spatial and pictorial databases