A highly legible CAPTCHA that resists segmentation attacks

Lecture Notes in Computer Science

Volumn 3517, Issue , 2005, Pages 27-41

  Baird, Henry S ^a   Moll, Michael A ^a   Wang, Sui Yu ^a  

^a Lehigh University   (United States)

Author keywords

Abuse of web sites and services; CAPTCHAs; Document image analysis; Document image degradations; Fragmentation; Human interactive proofs; Human machine discrimination; Legibility of text; OCR performance evaluation; Segmentation; Turing tests

Indexed keywords

COMPUTER VISION; DATA REDUCTION;

ABUSE OF WEB SITES AND SERVICES; AUTOMATIC CHARACTER-SEGMENTATION ATTACKS; CAPTHAS; DOCUMENT IMAGE ANALYSIS; DOCUMENT IMAGE DEGRADATION; HUMAN/MACHINE DISCRIMINATION; LEGIBILITY OF DEGRADATION; MACHINE-PRINT TEXT; OCR PERFORMANCE EVALUATION; TURING TESTS;

IMAGE SEGMENTATION;

EID: 25144512363     PISSN: 03029743     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1007/11427896_2     Document Type: Conference Paper

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