[특허]Method for locating the position and orientation of a fiduciary mark

Method for locating the position and orientation of a fiduciary mark 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G06K-009/20
출원번호	US-0554321 (1995-11-08)
발명자 / 주소	Morton James S. (Atlanta GA) Recktenwalt James V. (New Milford CT) Bjorner Johannes A. S. (Woodbury CT) Lais Kenneth A. (New Fairfield CT)
출원인 / 주소	United Parcel Services of America, Inc. (Atlanta GA 02)
인용정보	피인용 횟수 : 78 인용 특허 : 0

초록 ▼

Fiduciary mark detection system usable with an over-the-belt optical character recognition (OCR) reader for ascertaining the position and orientation of text within the destination address on parcels moving along a conveyor, comprising charged coupled device (CCD) array, analog-to-digital (A/D) converter, general purpose computer, and software program. Image processing software program comprising projection histograms, convolution filtering, correlation, radial variance, first moments of inertia, edge image analysis, Hough method, detection confidence testing. Orientation defining mark comprising fluorescent ink placed approximately in the center of the destination address block on a parcel is non obstructive of the underlying text and may be affixed to parcel any time prior to scanning. Fiduciary mark comprising two circles of different diameter oriented such that a vector from the center of large circle to center of small circle is oriented in the same direction as underlying text.

대표청구항 ▼

A method of analyzing indicia including a first component having a first optical signature and a second component having a second optical signature, comprising the steps of: (a) reading said indicia; (b) storing an image of pixel values corresponding to said indicia in a matrix defining a set of coordinate axes; (c) a first cropping step wherein said image is reduced to a first area, and then within said first area: (i) conducting a first series of detection attempts of increasing computational complexity until said first component is successfully detected; (ii) defining a first point associated with said first component; (iii) setting to zero the pixel values associated with said first component; (iv) conducting a second series of detection attempts of increasing computational complexity until said second component is successfully detected; (v) defining a second point associated with said second component; and (vi) determining the orientation of a vector from said first point to said second point with respect to said first set of coordinate axes.

이 특허를 인용한 특허 (78)

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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연합인증

Method for locating the position and orientation of a fiduciary mark 원문보기

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Method for locating the position and orientation of a fiduciary mark 원문보기

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연구과제 타임라인

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이 특허를 인용한 특허 (78)

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