[특허]Video tracker

[미국특허] Video tracker 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H04N-007/18
출원번호	US-0134858 (1980-03-28)
발명자 / 주소	Gay Donald L. (Daytona Beach FL)
출원인 / 주소	The United States of America Government as represented by the Secretary of the Army (Washington DC 06)
인용정보	피인용 횟수 : 33 인용 특허 : 6

초록 ▼

Electrical control system for a video tracker, including circuitry for maintaining the size of the target substantially constant relative to the tracking window, thereby improving the accuracy of the target shift detection circuit. Additional circuitry is provided for enhancing contrast between the target and the background scene, thus preventing loss of the target due to inadvertant sensing of grey clutter instead of the true target.

대표청구항 ▼

In a video tracker for viewing a distant target (12) and background scene (13) to produce a tracking window (10) having a leading edge and a trailing edge: the combination comprising means for enhancing contrast between target video and background video, comprising a first amplifier (80) having an input for receiving digitized video signals produced by the tracker, a positive peak detector (88) and negative peak detector (90) receiving digital signals from the amplifier, addition-division device (93) receiving digital signals from the detectors and supplying an intermediate input digital voltage VINT back to the input of the amplifier so that peak detector signals are centered on the VINT signal, and comparator means (98 and 99) for comparing signals derived from the peak detectors with the digital signal produced by the amplifier to provide digitized output signals (100) representing enhanced contrast between the target and background scene; means for producing an analog signal (43) representing a video lock-on target center point, said signal-producing means including a first logic means (32) translating the aforementioned digitized output signals into digital signals representing the distance between a video window leading edge and the target leading edge, a second logic means (34) translating the aforementioned digitized output signals into digital signals representing the distance between the target leading edge and a point midway between the target edges, and means (38, 40 and 42) converting the last mentioned digital signals into a first analog signal (43) representing the target center point; and means for deriving a signal representing changes in size of the target, comprising a target height counter circuit (52) that produces a second analog signal (66) related to target size, a second amplifier (48) summing the first and second analog signals into an output representing one edge of a video window, a third amplifier (50) differencing the first and second analog signals into an output representing another edge of a video window and ramp generator means (72) providing a sloping signal (73) that intersects the outputs from the second and third amplifiers.

이 특허에 인용된 특허 (6) 인용/피인용 타임라인 분석

Prince Paul R. (Manhattan Beach CA), Adaptive video centroid tracker.
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Collins ; III Robert H. (Birmingham AL) Steele William J. (Birmingham AL) Thomas ; Jr. Albert L. (Birmingham AL), Contour fitting pictorial tracking gate.
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Lewis ; George R. ; Fernandez ; Allen, Dual, non-crossing horizontal gate tracking circuit and method.
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Sacks Jacob M. (Palos Verdes Peninsula CA), Electro-optical tracking computer utilizing television camera.
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Funari Anthony V. (Los Angeles CA), Infrared tracking system.
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Woolfson Martin G. (Baltimore MD), Volumetric balance video tracker.
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이 특허를 인용한 특허 (33) 인용/피인용 타임라인 분석

Tolkowsky, David; Cohen, Ran; Klaiman, Eldad; Steinberg, Alexander; Barzelay, Zohar, Accounting for non-uniform longitudinal motion during movement of an endoluminal imaging probe.
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Romanski John G. (Kingsville MD), Aimpoint selection processor.
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Watson, Greg A.; St. Clair, Richard C.; Tenbrink, Steven C., Analog video processor.
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Tolkowsky, David; Cohen, Ran; Klaiman, Eldad; Steinberg, Alexander, Apparatus and methods for determining a dimension of a portion of a stack of endoluminal data points.
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Cohen, Ran; Klaiman, Eldad; Steinberg, Alexander; Tolkowsky, David, Apparatus and methods for determining a plurality of local calibration factors for an image.
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Cohen, Ran; Klaiman, Eldad; Steinberg, Alexander; Tolkowsky, David, Apparatus and methods for determining a plurality of local calibration factors for an image.
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Tolkowsky, David; Cohen, Ran; Steinberg, Alexander; Philipp, Sagiv; Klaiman, Eldad, Apparatus and methods for masking a portion of a moving image stream.
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Tolkowsky, David; Cohen, Ran; Steinberg, Alexander; Philipp, Sagiv; Klaiman, Eldad, Apparatus and methods for reducing visibility of a periphery of an image stream.
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Tugay Jean (28 Av Prsident Kennedy 75016 Paris (16) FRX), Apparatus for centering and stabilizing the size of a target image.
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Steinberg, Alexander; Cohen, Ran; Philipp, Sagiv; Tolkowsky, David; Klaiman, Eldad, Automatic angiogram detection.
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Steinberg, Alexander; Tolkowsky, David; Cohen, Ran; Philipp, Sagiv, Automatic correction and utilization of a vascular roadmap comprising a tool.
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Cohen, Ran; Klaiman, Eldad; Steinberg, Alexander; Tolkowsky, David, Automatic enhancement of an image stream of a moving organ and displaying as a movie.
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Steinberg, Alexander; Philipp, Sagiv; Cohen, Ran; Tolkowsky, David, Automatic generation of a vascular skeleton.
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Tolkowsky, David; Iddan, Gavriel; Cohen, Ran, Automatic identification of a tool.
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Cohen, Ran; Klaiman, Eldad; Steinberg, Alexander; Stein, Yoav; Philipp, Sagiv; Tolkowsky, David, Automatic quantitative vessel analysis.
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Steinberg, Alexander; Philipp, Sagiv; Tolkowsky, David; Cohen, Ran, Automatic quantitative vessel analysis.
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Cohen, Ran; Klaiman, Eldad; Steinberg, Alexander; Philipp, Sagiv; Tolkowsky, David, Automatic quantitative vessel analysis at the location of an automatically-detected tool.
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Tolkowsky, David; Cohen, Ran; Steinberg, Alexander; Philipp, Sagiv; Klaiman, Eldad, Automatic reduction of interfering elements from an image stream of a moving organ.
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Tolkowsky, David; Cohen, Ran; Steinberg, Alexander; Philipp, Sagiv; Klaiman, Eldad, Automatic reduction of interfering elements from an image stream of a moving organ.
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Cohen, Ran; Klaiman, Eldad; Steinberg, Alexander; Philipp, Sagiv; Tolkowsky, David, Automatic reduction of visibility of portions of an image.
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Tolkowsky, David; Cohen, Ran; Klaiman, Eldad; Barzelay, Zohar, Co-use of endoluminal data and extraluminal imaging.
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Tolkowsky, David; Cohen, Ran; Klaiman, Eldad; Barzelay, Zohar, Co-use of endoluminal data and extraluminal imaging.
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Hoch Heinz,DEX, Device for passive friend-or-foe discrimination.
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Tolkowsky, David; Klaiman, Eldad; Steinberg, Alexander; Cohen, Ran, Displaying a device within an endoluminal image stack.
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Cohen, Ran; Barzelay, Zohar; Klaiman, Eldad; Steinberg, Alexander, Forming and displaying a composite image.
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Schmidt, Mads; Mangolds, Arnis; Rufo, Michael; Murray, James, Gunshot detection stabilized turret robot.
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Steinberg, Alexander; Philipp, Sagiv; Cohen, Ran; Tolkowsky, David, Image super enhancement.
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Cohen, Ran; Steinberg, Alexander; Philipp, Sagiv; Stein, Yoav; Klaiman, Eldad; Tolkowsky, David, Location-sensitive cursor control and its use for vessel analysis.
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Barzelay, Zohar; Cohen, Ran; Tolkowsky, David, Luminal background cleaning.
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Tolkowsky, David, Pre-deployment positioning of an implantable device within a moving organ.
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Iddan, Gavriel; Tolkowsky, David; Cohen, Ran; Blank, Jacob, Stepwise advancement of a medical tool.
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Gerhart Grant R. (Oakland MI) Graziano James M. (Oakland MI), Two-dimensional image data reducer and classifier.
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Lougheed James Hugh (Kinburn CAX) Wardell Mark (Waterloo CAX) Sheney Daniel Raymond (Kemptville CAX), Weapon aiming system.
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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] Video tracker 원문보기