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| Number | Title | Issue Date |
| 8044991 | Local positioning system and method A local positioning system which includes a video camera, a computer communicating with the video camera and a target object sighted by the video camera and having a target object coordinate system. The computer is adapted to define a relative position and orientati... | 10/25/2011 |
| 7671887 | System and method of navigating a medical instrument A system for navigating an image-guided object through an imaged subject supported on table in relation to an image acquired by an image detector is provided. The system includes a first tracking element attached to the patient, and a second tracking element attache... | 03/02/2010 |
| 7272242 | Object detection in electro-optic sensor images A method of object detection in an image uses a background anomaly approach that searches for anomalies of a particular size and shape that are distinguishable from the image's local background. Included is a geometric classifier used to distinguish regularly-shaped... | 09/18/2007 |
| 7259778 | Method and apparatus for placing sensors using 3D models Method and apparatus for dynamically placing sensors in a 3D model is provided. Specifically, in one embodiment, the method selects a 3D model and a sensor for placement into the 3D model. The method renders the sensor and the 3D model in accordance with sensor para... | 08/21/2007 |
| 7151854 | Pattern recognition of objects in image streams The disclosure describes pattern recognition detectors and software used to detect objects in image streams. The detectors operate on streams of image data, making them suitable for detecting certain types of objects in documents and images passed between processes ... | 12/19/2006 |
| 7058511 | Sub-visible cloud cover assessment: VNIR-SWIR Methods, computer-readable media, and systems are provided for determining whether a data point indicates a presence of a sub-visible cloud using visible near-infrared data and short wavelength infrared data. A data point is selected from an imaging study of an area... | 06/06/2006 |
| 7003161 | Systems and methods for boundary detection in images Systems and methods that accurately detect and locate an edge or boundary position based on a number of different characteristics of the image, such as texture, intensity, color, etc. A user can invoke a boundary detection tool to perform, for example, a texture-bas... | 02/21/2006 |
| 6894973 | Fair bandwidth sharing for video traffic sources using distributed feedback control An apparatus and a smethod providing fair bandwidth sharing by adjusting video image quality in a data packet network comprises a network load detection means for detecting a network load and a video encoding control circuit. The network load has an uncongested stat... | 05/17/2005 |
| 6584211 | Mobile object combination detection apparatus and method A mobile object combination detection apparatus includes a plurality of moving image input units, a plurality of mobile object detection units each connected to one of the moving image input units, and a combination determination unit. Each of the plurali... | 06/24/2003 |
| 6373508 | Method and system for manipulation of objects in a television picture In a method for manipulation of a movable object displayed in a television picture, the distance between the object and fixed basic positions is detected at a time t together with the distance between the object and a television camera in a known position... | 04/16/2002 |
| 6333726 | Orthogonal projection concealment apparatus A pixel array-based orthogonal projection concealment apparatus applicable for continuously matching a mobile platform to its changing background integrates power means, sensing and inputting means for observer and background data, programmed computationa... | 12/25/2001 |
| 6327536 | Vehicle environment monitoring system A vehicle environment monitoring system for an automotive vehicle is capable of accurately detecting the movement of an object existing in an environment of the vehicle, and determining the possibility of collision between the object and the vehicle, ther... | 12/04/2001 |
| 6304298 | Method and apparatus for determining the position of a TV camera for use in a virtual studio A method of determining the position of a TV camera relative to a patterned panel being viewed by the TV camera including the steps of: identifying a plurality of edge points of the pattern from the video signal produced by said camera and using these edge poi... | 10/16/2001 |
| 6141033 | Bandwidth reduction of multichannel images for machine vision The invention provides methods and apparatus for reducing the bandwidth of a multichannel image. In one aspect, the methods and apparatus call for acquiring a multichannel training image representing a training scene. Weighting factors for the respective ... | 10/31/2000 |
| 6044168 | Model based faced coding and decoding using feature detection and eigenface coding The method uses a three-dimensional face model and a technique called eigenface decomposition to analyze the video at one end. The facial feature locations and eigenface coding of the face image are sent to a decoder. The decoder synthesizes the face imag... | 03/28/2000 |
| 5909249 | Reduction of noise visibility in a digital video system The effects of noise in a video processing system are reduced, resulting in improved image quality. A digital video signal containing a luminance component in Y color space is processed by increasing the amplitude of the luminance data in accordance with ... | 06/01/1999 |
| 5738522 | Apparatus and methods for accurately sensing locations on a surface Apparatus for merging a video image sequence of a dynamic phenomenon occurring on a natural background into a high resolution background image, the apparatus including a background remover operative to remove the natural background from the video image se... | 04/14/1998 |
| 5687249 | Method and apparatus for extracting features of moving objects The present invention is intended to reconstruct or acquire the shape of an object without rotating it. A TV camera with a fish-eye lens is used to conduct the image-sensing of a vehicle as a moving object over a certain section of its path of travel and ... | 11/11/1997 |
| 5574447 | Method and apparatus for modifying characters entered on a computer keyboard A keyboard for use with a computer has an array of keys including a space key and modifiable keys with apparatus for detecting when keys are pressed and generating a key code corresponding to keys that are pressed, a buffer capable of holding the key code... | 11/12/1996 |
| 5543608 | Method and the system for identifying a visual object with a polarizing marker An identifying procedure and system for identifying a visual object, the object to be identified (1) being marked with a polarizing surface (2) provided in the region of the object. Observation of the object is accomplished by utilizing the lighting preva... | 08/06/1996 |
| 5528287 | Multi-level retarder plate polarization dependent imaging A system for detecting the presence of an energy polarization altering dielectric material, such as ice or snow, on a surface, such as a part of an aircraft, which normally specularly reflects incident energy, such as light, when there is no such dielectr... | 06/18/1996 |
| 5502482 | Derivation of studio camera position and motion from the camera image Studio camera position and motion may be derived from the camera image by separating out the background and deriving from a background having a number of areas of hue and/or brightness different from adjacent areas estimates of movement from one image to ... | 03/26/1996 |
| 5428402 | Tint detection circuit for automatically selecting a desired tint in a video signal Tint detection circuit for automatically selecting a desired tint in a video signal, including a limit signal generator coupled to receive first (R), second (G) and third (R) color signals in order to generate first and second limit signals (CRITR, CRITB)... | 06/27/1995 |
| 5423554 | Virtual reality game method and apparatus A one or two player virtual reality game efficiently detects and tracks a distinctively colored glove. According to the preferred basketball embodiment, a single player equipped with the distinctively colored glove is matched up against a virtual opponent... | 06/13/1995 |
| 5406326 | Video system for producing video image simulating the appearance of motion picture or other photographic film Digital signals are generated and stored for each pixel of a frame of a preferably high definition video originated material. A computer reads the digital signals and converts them to binary image data by employing a selected look-up-table program to reas... | 04/11/1995 |
| 5371542 | Dual waveband signal processing system A dual waveband signal processing system (DWSPS) is disclosed for differentiating between an primary target signal and background clutter to detect targets and objects with a particularly unique spectral characteristic. The DWSPS is responsive to a plural... | 12/06/1994 |
| 5283839 | Apparatus capable of figure-ground segregation Apparatus which segments visual scenes into discrete objects. The apparatus is able to perceptually group the elements corresponding to a coherent figure, and to segregate them from the background or from another figure. Reentrant signaling among rhythmic... | 02/01/1994 |
| 5260873 | Medical image displaying apparatus A medical image displaying apparatus is provided with a display device, which reproduces a visible image from an image signal made up of a series of image signal components representing a medical image, and which displays the visible image. A conversion d... | 11/09/1993 |
| 5223934 | Partial magnification recording method and apparatus thereof Video camera (camcorder) having the partial magnification recording function for a predetermined object, which can be later reproduced after recording a magnified image on a video tape and to RAM, comprising the division signal generating process A1 to di... | 06/29/1993 |
| 5218440 | Switched resistive neural network for sensor fusion An electronic image processing system uses data provided by one or more sensors to perform cooperative computations and improve image recognition performance. A smoothing resistive network, which may comprise an integrated circuit chip, has switching elem... | 06/08/1993 |
| 5130795 | Positive automatic target locator indentification system (ATLIS), for ATR system testing A method and means for positively identifying and locating a plurality of ving test targets during a test of Automatic Target Recognition (ATR) equipment. The targets are identified by attached unique narrow band unmodulated visible light sources and are ... | 07/14/1992 |
| 5109425 | Method and apparatus for predicting the direction of movement in machine vision A computer-simulated cortical network computes the visibility of shifts in the direction of movement and computes: 1) the magnitude of the position difference between the test and background patterns, 2) localized contrast differences at different spatial... | 04/28/1992 |
| 5097327 | Apparatus for detecting a moving object in a motion picture sequence An apparatus for to extracting a video signal corresponding to a moving object in a video signal representing moving and stationary object comprises means for detecting a contour in the video signal and storing the contour data of successive frame in two ... | 03/17/1992 |
| 5091776 | Apparatus and method for enhancing the quality of a video signal produced by electronic shearography The purpose of the present invention is to improve the quality of a video signal generated by the method of nondestructive testing known as electronic shearography. In electronic shearography, two laterally-displaced images of a test object are made to in... | 02/25/1992 |
| 5087976 | Automatic adjustment apparatus for independently adjusting different regions of a picture raster An automatic picture adjustment apparatus in which input video signals are subjected to level conversion for picture quality adjustment within a time period which is shorter than one vertical synchronization period so that the picture quality adjustment o... | 02/11/1992 |
| 5067160 | Motion-pattern recognition apparatus The apparatus recognizes a motion of an object which is moving and is hidden in an image signal, and discriminates the object from the background within the signal. The apparatus has an image forming unit comprising non-linear oscillators, which forms an ... | 11/19/1991 |
| 4838685 | Methods and apparatus for motion estimation in motion picture processing Methods and apparatus for motion estimation in motion picture processing are disclosed in which an initial velocity vector is selected as an estimation of the displacement of a region from a location in a first frame to a corresponding location in a secon... | 06/13/1989 |
| 4786154 | Enhanced-image operating microscope An improved operating microscope includes a beamsplitter for splitting a portion of the visible image of the object, and an image enhancement device for performing image enhancement techniques on the split portion of the visible image. The enhanced visibl... | 11/22/1988 |
| 4774571 | Computerized ticket dispenser system A computerized ticket dispensing system which includes a first camera for reading the license plate of a vehicle entering a parking area, and a second camera for reading the license plate of the vehicle as it leaves the parking area. In each instance, the... | 09/27/1988 |
| 4652921 | Image processing apparatus Video signals from radiography equipment (14) are converted to digital form and transferred via a buffer store, (2) to a parallel transfer disc store (3) in real time. These signals can then be read, out again in real time, to a video processor (6) and fr... | 03/24/1987 |
