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[미국특허] Positioning templates in optical character recognition systems 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G06K-009/62
출원번호 US-0724478 (1996-10-01)
발명자 / 주소
  • Ackner Reuven
출원인 / 주소
  • Canon Kabushiki Kaisha, JPX
대리인 / 주소
    Fitzpatrick, Cella, Harper & Scinto
인용정보 피인용 횟수 : 62  인용 특허 : 10

초록 ▼

One dimensional horizontal and vertical reference projections are obtained for a reference character template. Similar one dimensional horizontal and vertical pattern projections are obtained for an unknown character pattern. The horizontal reference projection and horizontal pattern projection are

대표청구항 ▼

[ What is claimed is:] [1.] A method for identifying plural characters in an unknown character pattern, the unknown character pattern comprising two-dimensional pixel data, said method comprising:a first generating step of generating potentially matching characters for a first character position in

이 특허에 인용된 특허 (10) 인용/피인용 타임라인 분석

  1. Martin Gregory J. (Canandaigua NY) Chen Robert Y. (Seattle WA) Cook John F. (Rochester NY) Mason James A. (Rochester NY), Character recognition method using correlation search.
    상세보기
  2. Mason James A. (Rochester NY) Martin Gregory J. (Canandaigua NY) Chen Robert Y. (Seattle WA) Cook John F. (Rochester NY), Character recognition method using optimally weighted correlation.
    상세보기
  3. Brayton Robert K. (Briarcliff Manor NY), Character recognition system and method multi-bit curve vector processing.
    상세보기
  4. Sammons David W. (Tucson AZ) Ko Wen-Jeng (Tucson AZ) Liu Yi-Cheng (Tucson AZ), Computerized method of matching two-dimensional (2-D) patterns.
    상세보기
  5. Bokser Mindy R. (San Francisco CA), Means for resolving ambiguities in text based upon character context.
    상세보기
  6. Yasuda Michio (Koganei JPX) Nakano Yasuaki (Hino JPX) Fujisawa Hiromichi (Urawa JPX) Hananoi Toshihiro (Kanagawa JPX), Method and device for detecting the similarity between standard and unknown patterns.
    상세보기
  7. Hullender Gregory N. (Foster City CA), Method for recognizing handwritten characters using shape and context analysis.
    상세보기
  8. Mahajan Milind Vasudeo (Redmond WA) Pardikar Shishir (Redmond WA), Recognition of handwritten words.
    상세보기
  9. Fujisawa Hiromichi (Tokorozawa JPX) Nakano Yasuaki (Hino JPX) Komatsu Hitoshi (Kanagawa JPX) Kadota Shozo (Kanagawa JPX) Kurino Kiyomichi (Odawara JPX), System and method for segmentation and recognition of patterns.
    상세보기
  10. Kono Hidehiko (Akishima JA), System for recognition of shape patterns.
    상세보기

이 특허를 인용한 특허 (62) 인용/피인용 타임라인 분석

  1. Hoffberg, Steven M.; Hoffberg-Borghesani, Linda I., Adaptive pattern recognition based controller apparatus and method and human-interface therefore.
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  2. King, Martin T.; Grover, Dale L.; Kushler, Clifford A.; Stafford-Fraser, James Q., Adding information or functionality to a rendered document via association with an electronic counterpart.
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  3. King, Martin T.; Grover, Dale L.; Kushler, Clifford A.; Stafford-Fraser, James Q., Adding value to a rendered document.
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  4. King, Martin T.; Grover, Dale L.; Kushler, Clifford A.; Stafford-Fraser, James Q., Aggregate analysis of text captures performed by multiple users from rendered documents.
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  5. King, Martin T.; Grover, Dale L.; Kushler, Clifford A.; Stafford-Fraser, James Q., Applying scanned information to identify content.
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  6. King, Martin; Grover, Dale; Kushler, Clifford; Stafford-Fraser, James; Mannby, Claes-Fredrik, Archive of text captures from rendered documents.
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  7. King, Martin; Grover, Dale; Kushler, Clifford; Stafford-Fraser, James; Mannby, Claes-Fredrik, Archive of text captures from rendered documents.
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  8. King, Martin T.; Grover, Dale L.; Kushler, Clifford A.; Stafford-Fraser, James Q., Association of a portable scanner with input/output and storage devices.
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  9. King, Martin T.; Grover, Dale L.; Kushler, Clifford A.; Stafford-Fraser, James Q., Association of a portable scanner with input/output and storage devices.
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  10. King, Martin T.; Grover, Dale L.; Kushler, Clifford A.; Stafford-Fraser, James Q., Automatic modification of web pages.
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  11. King, Martin T.; Grover, Dale L.; Kushler, Clifford A.; Stafford-Fraser, James Q., Automatic modification of web pages.
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  12. King, Martin T.; Stephens, Redwood; Mannby, Claes-Fredrik; Peterson, Jesse; Sanvitale, Mark; Smith, Michael J., Automatically capturing information, such as capturing information using a document-aware device.
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  13. King, Martin T.; Stephens, Redwood; Mannby, Claes-Fredrik; Peterson, Jesse; Sanvitale, Mark; Smith, Michael J.; Daley-Watson, Christopher J., Automatically providing content associated with captured information, such as information captured in real-time.
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  14. King, Martin Towle; Grover, Dale L.; Kushler, Clifford A.; Stafford-Fraser, James Quentin, Capturing text from rendered documents using supplement information.
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  15. King, Martin Towle; Grover, Dale L.; Kushler, Clifford A.; Stafford-Fraser, James Quentin, Capturing text from rendered documents using supplemental information.
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  16. King, Martin T.; Grover, Dale L.; Kushler, Clifford A.; Stafford-Fraser, James Q., Contextual dynamic advertising based upon captured rendered text.
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  17. King, Martin Towle; Grover, Dale L.; Kushler, Clifford A.; Stafford-Fraser, James Quentin, Data capture from rendered documents using handheld device.
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  18. King, Martin Towle; Grover, Dale L.; Kushler, Clifford A.; Stafford-Fraser, James Quentin, Data capture from rendered documents using handheld device.
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  19. King, Martin T.; Grover, Dale L.; Kushler, Clifford A.; Stafford-Fraser, James Q., Determining actions involving captured information and electronic content associated with rendered documents.
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  20. King, Martin T.; Grover, Dale L.; Kushler, Clifford A.; Stafford-Fraser, James Q., Document enhancement system and method.
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  21. Greene,Daniel H.; Romberg,Justin K; Poo,Tze Lei; Popat,Ashok C., Document image decoding systems and methods using modified stack algorithm.
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  22. King, Martin T.; Grover, Dale L.; Kushler, Clifford A.; Stafford-Fraser, James Q., Establishing an interactive environment for rendered documents.
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  23. King, Martin T.; Grover, Dale L.; Kushler, Clifford A.; Stafford-Fraser, James Q., Handheld device for capturing text from both a document printed on paper and a document displayed on a dynamic display device.
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  24. King, Martin T.; Stephens, Redwood; Mannby, Claes-Fredrik; Peterson, Jesse; Sanvitale, Mark; Smith, Michael J., Identifying a document by performing spectral analysis on the contents of the document.
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  25. Wakazono, Masafumi, Image processing apparatus and method, and program.
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  26. King, Martin T.; Mannby, Claes-Fredrik; Smith, Michael J., Image search using text-based elements within the contents of images.
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  27. Hsieh, Sheng-chi; Wang, Jui-pang, Image similarity detection using approximate pattern matching.
    상세보기
  28. Hoffberg, Steven M.; Hoffberg-Borghesani, Linda I., Internet appliance system and method.
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  29. Yoshimura, Sachiko; Akuta, Hidehiko; Higashimori, Toshihide; Nakagoshi, Yumi, Learning support device and learning support method.
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  30. Chellapilla, Kumar H.; Simard, Patrice Y., Logical structure layout identification and classification for offline character recognition.
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  31. Volpa,Peter, Method and apparatus for determining unknown magnetic ink characters.
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  32. Cortopassi, Michael; Endejan, Edward, Method and apparatus for using pressure information for improved computer controlled handwriting recognition data entry and user authentication.
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  33. Cortopassi,Michael; Endejan,Edward, Method and apparatus for using pressure information for improved computer controlled handwriting recognition, data entry and user authentication.
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  34. King, Martin T.; Grover, Dale L.; Kushler, Clifford A.; Stafford-Fraser, James Q., Method and system for character recognition.
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  35. King, Martin T.; Grover, Dale L.; Kushler, Clifford A.; Stafford-Fraser, James Q., Method and system for character recognition.
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  36. King, Martin T.; Grover, Dale L.; Kushler, Clifford A.; Stafford-Fraser, James Q., Method and system for character recognition.
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  37. King, Martin T.; Grover, Dale L.; Kushler, Clifford A.; Stafford-Fraser, James Quentin, Method and system for character recognition.
    상세보기
  38. Chao,Hui; Bloomberg,Dan S., Method of aligning page images.
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  39. Kneisl,Kyle E; Otero,Jesse, Method of optical character recognition using feature recognition and baseline estimation.
    상세보기
  40. King, Martin T.; Grover, Dale L.; Kushler, Clifford A.; Stafford-Fraser, James Q., Methods and systems for initiating application processes by data capture from rendered documents.
    상세보기
  41. Geva, Amir, Optical match character classification.
    상세보기
  42. King, Martin T.; Mannby, Claes-Fredrik; Arends, Thomas C.; Bajorins, David P.; Fox, Daniel C., Optical scanners, such as hand-held optical scanners.
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  43. King, Martin T.; Stephens, Redwood; Mannby, Claes-Fredrik; Peterson, Jesse; Sanvitale, Mark; Smith, Michael J., Performing actions based on capturing information from rendered documents, such as documents under copyright.
    상세보기
  44. King, Martin T.; Stephens, Redwood; Mannby, Claes-Fredrik; Peterson, Jesse; Sanvitale, Mark; Smith, Michael J., Performing actions based on capturing information from rendered documents, such as documents under copyright.
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  45. King, Martin T.; Grover, Dale L.; Kushler, Clifford A.; Stafford-Fraser, James Q., Portable scanning device.
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  46. King, Martin T.; Grover, Dale L.; Kushler, Clifford A.; Stafford-Fraser, James Q., Processing techniques for text capture from a rendered document.
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  47. King, Martin Towle; Grover, Dale L.; Kushler, Clifford A.; Stafford-Fraser, James Quentin, Processing techniques for text capture from a rendered document.
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  48. King, Martin T.; Kushler, Clifford A.; Stafford-Fraser, James Q.; Grover, Dale L., Processing techniques for visual capture data from a rendered document.
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  49. King, Martin T.; Grover, Dale L.; Kushler, Clifford A.; Stafford-Fraser, James Q., Publishing techniques for adding value to a rendered document.
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  50. King, Martin T.; Grover, Dale L.; Kushler, Clifford A.; Stafford-Fraser, James Q., Search engines and systems with handheld document data capture devices.
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  51. King, Martin T.; Grover, Dale L.; Kushler, Clifford A.; Stafford-Fraser, James Q., Search engines and systems with handheld document data capture devices.
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  52. King, Martin T.; Grover, Dale L.; Kushler, Clifford A.; Stafford-Fraser, James Q., Secure data gathering from rendered documents.
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  53. Imaki, Tsuneyuki; Nishizawa, Itatu, Stream data multiprocessing method.
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  54. King, Martin Towle; Stafford-Fraser, James Quentin; Kushler, Clifford A.; Grover, Dale L., System and method for information gathering utilizing form identifiers.
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  55. Subbaian, Sudhagar; Gopalakrishnan, Sainarayanan; Li, Xing; Cuciurean-Zapan, Clara, System for automated text and halftone segmentation.
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  56. Lin, Ching-Fang, Three-dimensional relative positioning and tracking using LDRI.
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  57. King, Martin T.; Grover, Dale L.; Kushler, Clifford A.; Stafford-Fraser, James Q., Triggering actions in response to optically or acoustically capturing keywords from a rendered document.
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  58. King, Martin T.; Grover, Dale L.; Kushler, Clifford A.; Stafford-Fraser, James Q., Triggering actions in response to optically or acoustically capturing keywords from a rendered document.
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  59. King, Martin T.; Grover, Dale L.; Kushler, Clifford A.; Stafford-Fraser, James Q., Triggering actions in response to optically or acoustically capturing keywords from a rendered document.
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  60. King, Martin T.; Grover, Dale L.; Kushler, Clifford A.; Stafford-Fraser, James Q., Triggering actions in response to optically or acoustically capturing keywords from a rendered document.
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  61. King, Martin T.; Grover, Dale L.; Kushler, Clifford A.; Stafford-Fraser, James Q., Triggering actions in response to optically or acoustically capturing keywords from a rendered document.
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  62. King, Martin T.; Mannby, Claes-Fredrik; Valenti, William, Using gestalt information to identify locations in printed information.
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