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Recognizing dataforms in image areas

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G06K-009/00
출원번호 US-0742369 (1996-11-01)
발명자 / 주소
  • Cymbalski Robert Stanley
출원인 / 주소
  • Metanetics Corporation
대리인 / 주소
    Benesch, Friedlander, Coplan & Aronoff LLP
인용정보 피인용 횟수 : 70  인용 특허 : 8

초록

Dataforms, such as bar codes and matrix codes, are recognized by analysis of histogram type data derived for a plurality of window sections of an image area. Typically, an image area 512 pixels high by 480 pixels wide is divided into 240 window areas, each including 1024 pixels in a 32 by 32 pixel s

대표청구항

[ What is claimed is:] [1.] A method of recognizing, in an image area, a transition between: (i) a first pattern characterized by X colors, where X is greater than 1 and (ii) a second pattern characterized by Y colors, where Y may be 1, and X and Y are different integer values, comprising the steps

이 특허에 인용된 특허 (8)

  1. Joseph Eugene B. (Setauket NY) Pavlidis Theodosios (Setauket NY), Analog waveform decoder utilizing histogram of edge sizes.
  2. Noda Masashi (Hachiman JPX), Apparatus and method for detecting line segment direction.
  3. He Duanfeng (Duluth GA), Bar code enhancement system and method for vision scanners.
  4. Krichever Mark J. (Hauppauge NY) Metlitsky Boris (Stoney Brook NY), Bar code reader using scanned memory array.
  5. Tsuchiya Hiroyoshi (Kawasaki JPX) Yamamoto Atsuharu (Kawasaki JPX) Sannomiya Kunio (Atsugi JPX) Kotera Hiroaki (Kawasaki JPX) Nakazato Katsuo (Tokyo JPX) Fujita Mikio (Yokohama JPX) Komizo Shigeo (To, Image signal processing apparatus for bar code image signal.
  6. Wang Ynjiun P. (Stony Brook NY), Locating 2-D bar codes.
  7. Chandler Donald G. (43 Springwood Ct. Princeton NJ 08540) Batterman Eric P. (207-11 Salem Ct. Princeton NJ 08540), Omnidirectional bar code reader with method and apparatus for detecting and scanning a bar code symbol.
  8. Chandler Donald G. (Princeton NJ) Batterman Eric P. (Princeton NJ) Shah Govind (Princeton Junction NJ), Polygonal information encoding article, process and system.

이 특허를 인용한 특허 (70)

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  8. Duanfeng He ; Eugene Joseph ; Joseph Cai, Autodiscrimination and line drawing techniques for code readers.
  9. He Duanfeng ; Joseph Eugene ; Cai Joseph, Autodiscrimination and line drawing techniques for code readers.
  10. Fujita Mikio,JPX ; Yamamoto Atsuharu,JPX ; Kawahara Toyoki,JPX ; Yoshida Kuinio,JPX ; Asano Toru,JPX ; Komizo Shigeo,JPX, Bar code image processing apparatus capable of identifying position and direction of a bar code.
  11. Longacre, Jr., Andrew; Hussey, Robert M.; Koziol, Thomas J.; Ehrhart, Michael A., Bar code reading device for reading 1D or 2D bar code symbols.
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  22. Meier, Timothy P.; Hawley, Thomas P.; Longacre, Jr., Andrew; Hussey, Robert M., Dual-tasking decoder for improved symbol reading.
  23. Ehrhart, Michael A., Image capture apparatus and method.
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  27. Wang, Ynjiun P.; Deng, Shulan, Indicia reading terminal including frame quality evaluation processing.
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  30. Ren, Jin; Wang, Ynjiun Paul; Liu, Yong; Meier, Timothy; Deloge, Stephen Patrick, Indicia reading terminal with color frame processing.
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  40. Hussey, Robert M.; Havens, William H., Method and apparatus for compensating pixel values in an imaging system.
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  43. Geraud,Thierry, Model of documents and method for automatically classifying a document.
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