[특허]Method and apparatus for obtaining three dimensional distance information stereo vision

[미국특허] Method and apparatus for obtaining three dimensional distance information stereo vision 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01C-011/12
출원번호	US-0853231 (1986-04-17)
우선권정보	JP-0080159 (1985-04-17)
발명자 / 주소	Shioya Makoto (Tokyo JPX) Funabashi Motohisa (Sagamihara JPX) Nishiya Takushi (Machida JPX)
출원인 / 주소	Hitachi, Ltd. (Tokyo JPX 03)
인용정보	피인용 횟수 : 10 인용 특허 : 5

초록 ▼

A method of forming a three-dimensional stereo vision is disclosed in which, in order to prevent the erroneous detection of an object point in the conventional method using two image focusing lens systems, three image points of an object point formed by logically and/or physically selecting three image focusing lens systems and three image sensing surfaces from a multiplicity of image points on an image sensing surface by using the fact that a positional relation among three image points of the same object point is similar to the positional relation among the three image focusing lens systems, and the positional information of three selected image points on the image sensing surface is used for obtaining three-dimensional distance information of the object point.

대표청구항 ▼

A method, of obtaining three-dimensional distance information, comprising the steps of: forming images of an object system on an image sensing surface by using at least three image focusing systems so that at least three object images of the object system are formed on respective image sensing areas; correlating the image point of an object point which are formed on said respective image sensing areas by said image focusing systems by using a relationship which exists between the geometrical positional relationships among said image points and the geometrical positional relationships among said image focusing systems themselves and between said image focusing systems and said image sensing areas; and obtaining the three-dimensional distance information of said object point by using information relating to the positions of at least two of the corresponding image points on the image sensing areas and information relating to the geometrical positional relationship between said two corresponding image points and the image focusing systems, wherein said correlating of the image points comprises allocating the object images formed on said respective image sensing areas to respective imaginary planes which are superimposed with a spatial relationship corresponding to the spatial relationship of said image focusing systems, and detecting those image points on the imaginary planes which lie on the same straight line.

이 특허에 인용된 특허 (5) 인용/피인용 타임라인 분석

DiMatteo Paul (Huntington NY) Stern Howard (Greenlawn NY), Generation of contiguous data files of three-dimensional information.
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Thomas Wayne W. (Tahlequah OK) Thomas Walter C. (Tahlequah OK), Method and apparatus for generating and processing television signals for viewing in three dimensions.
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Marraud Alain R. P. (Villebon S. Yvette FRX) Bonnet Maurice G. Q. (Puteaux FRX), Method and device for three-dimensional visualization from video signals, notably for electron microscopy.
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Krasnoperov Boris K. (Sevastopolsky prospekt ; 81 ; kv. 76 Moscow SUX), Stereoscopic color television.
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Hisano Atushi (Nagaokakyo JPX) Saka Kazuhiko (Joyo JPX) Tsukiyama Noriyuki (Uji JPX), System for recognizing three-dimensional objects.
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이 특허를 인용한 특허 (10) 인용/피인용 타임라인 분석

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Prechtl, Eric F., Adjustable parallax distance, wide field of view, stereoscopic imaging system.
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Monobe, Yusuke; Yamada, Hitoshi, Image processing apparatus and image processing method.
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Subbarao Muralidhara (Port Jefferson Station NY), Method and apparatus for determining the distances between surface-patches of a three-dimensional spatial scene and a ca.
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Mizutani, Katsuya; Maruo, Shinya, Object recognition apparatus.
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Bendall, Clark A.; Lia, Raymond; Salvati, Jon R.; Chilek, Theodore A., Stereo-measurement borescope with 3-D viewing.
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Bendall,Clark A.; Chilek,Theodore A.; Karpen,Thomas W.; Lia,Raymond A.; Salvati,Jon R., Stereo-measurement borescope with 3-D viewing.
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Kremen,Stanley H., System and apparatus for recording, transmitting, and projecting digital three-dimensional images.
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Prechtl, Eric F., Systems and methods for transferring a clip of video data to a user facility.
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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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[미국특허] Method and apparatus for obtaining three dimensional distance information stereo vision 원문보기