Extract from the Register of European Patents

EP Citations: EP1235181

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Type:Patent literature
Publication No.:US5764383  [A]
 (SAUND ERIC [US], et al) [A] 1-20 * claims 1,15 *;
Type:Non-patent literature
Publication information:[X]  - CLARK P ET AL, "Location and recovery of text on oriented surfaces", PROCEEDINGS OF THE SPIE, SPIE, BELLINGHAM, VA, US, (2000), vol. 3967, ISSN 0277-786X, pages 267 - 277, XP002264506 [X] 1-20 * sections 1-5 *
DOI: http://dx.doi.org/10.1117/12.373502
Type:Non-patent literature
Publication information:[X]  - LIEBOWITZ D ET AL, "Metric rectification for perspective images of planes", COMPUTER VISION AND PATTERN RECOGNITION, 1998. PROCEEDINGS. 1998 IEEE COMPUTER SOCIETY CONFERENCE ON SANTA BARBARA, CA, USA 23-25 JUNE 1998, LOS ALAMITOS, CA, USA,IEEE COMPUT. SOC, US, (19980623), ISBN 0-8186-8497-6, pages 482 - 488, XP010291688 [X] 1-20 * sections 1-5 *
DOI: http://dx.doi.org/10.1109/CVPR.1998.698649
Type:Non-patent literature
Publication information:[A]  - HORAUD R. AND MONFGA O., vision par ordinateur, PARIS, FRANCE0, HERMES, (1993), 020709, XP002343337 [A] 1-20 * pages 131-156 *
Type:Non-patent literature
Publication information:[PA]  - DANCE C R, "Perspective estimation for document images", PROCEEDINGS OF THE SPIE, SPIE, BELLINGHAM, VA, US, (2001), vol. 4670, ISSN 0277-786X, pages 244 - 254, XP002264501 [PA] 1-20 * whole document *
DOI: http://dx.doi.org/10.1117/12.450733
Type:Non-patent literature
Publication information:[PA]  - CLARK P ET AL, "Estimating the Orientation and Recovery of Text Planes in a Single Image", PROCEEDINGS OF THE BRITISH MACHINE VISION CONFERENCE, (20010910), pages 421 - 430, XP002314536 [PA] 1-20 * whole document *