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System and method for scene change triggering 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04N-009/68
출원번호 US-0234992 (2008-09-22)
등록번호 US8059168 (2011-11-01)
발명자 / 주소
  • Cournoyer, Alexis J.
출원인 / 주소
  • GTech Corporation
대리인 / 주소
    McCarter & English, LLP
인용정보 피인용 횟수 : 0  인용 특허 : 48

초록 ▼

A triggering system and process for a form reader is shown using a histogram of the optical scene. The form reader is open on three sides with a camera facing a platen on to which a form is placed. The camera converts the light rays reflected from the platen into a video stream that is sent to a pro

대표청구항 ▼

What is claimed is: 1. A system for detecting when to read a form placed in an electronic form reader, the system comprising:a camera that accepts light reflected from a scene and converts it into video frames, each frame comprising a stream of pixels; wherein each pixel has a gray scale range of li

이 특허에 인용된 특허 (48)

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  42. Ballou Kevin R., Source measure unit having secondary feedback for eliminating transients during range changing.
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  44. Walker, Jay S.; Jorasch, James A.; Jindal, Sanjay K., System and method for performing lottery ticket transactions utilizing point-of-sale terminals.
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  45. Nulph James L., System for linking a unique identifier to an instant game ticket.
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  46. Ackley H. Sprague ; Maltsev Pavel A. ; Ohanian Michael, Universal data input and processing device, such as universal point-of-sale device for inputting and processing bar code symbols, document images, and other data.
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  47. Cooper Alan Neal, Video equipment and method to assist motor vehicle operators.
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