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| Number | Title | Issue Date |
| 7808525 | Transparent camera calibration tool for camera calibration and calibration method thereof The calibration tool of the present invention is a transparent camera calibration tool in which a plurality of indicator points is spatially distributed and fixed, wherein the indicator points are formed as intersecting points of thin wires extended to the frame by ... | 10/05/2010 |
| 7382556 | Lens module A lens module (800) includes a lens barrel (20), a base (10), and a temperature compensation module (30). A first lens (201) is disposed in the lens barrel. The lens barrel is disposed in the base. The temperature compensation modu... | 06/03/2008 |
| 7303640 | Orientation equipment with multiple PCBS An orientation equipment with multiple PCBs adapted for a SMT line has a rack module including a casing mounting a front of the SMT line; a visual orientation module having a visual orientation camera used for recognizing the PCB; a movable arm module capable of lat... | 12/04/2007 |
| 7305114 | Human/machine interface for a machine vision sensor and method for installing and operating the same This invention overcomes the disadvantages of the prior art by providing a human/machine interface (HMI) for use with machine vision systems (MVSs) that provides the machine vision system processing functionality at the sensor end of the system, and uses a communica... | 12/04/2007 |
| 7301560 | Three-dimensional field for calibration and method of photographing the same A three-dimensional field for calibration having a wide-angle area 110 and a zooming area 120 located within an area overlapped with the wide-angle area 110 comprises: a plurality of rough alignment reference marks 122 for zooming and a p... | 11/27/2007 |
| 7271833 | Image pickup apparatus, image data processing apparatus, image data outputting method, image data processing system and image pickup device Intentionally defective pixels, whose number exceeds a storage capacity of a memory for defect correction, are formed in a predetermined pattern in an image pickup device. There is a plurality of patterns of the defective pixels, each being unique to each camera (im... | 09/18/2007 |
| 7248284 | Calibration targets for digital cameras and methods of using same Calibration targets for use with digital cameras comprise black and white target areas to which digital cameras are exposed simultaneously to provide proper settings for highlight and shadow sensitivity prior to making a digital photograph. In addition a white or gr... | 07/24/2007 |
| 7248347 | Focus processing with the distance of different target wheels An apparatus and method for automatically focusing a miniature digital camera module (MUT) is described. A MUT is loaded onto a test fixture and aligned with an optics system of a test handler. Focus targets contained within two target wheels are positioned over an ... | 07/24/2007 |
| 7155119 | Multi-processing of a picture to speed up mathematics and calculation for one picture A multi-processing unit reduces the time to compute parameters of a digital image to by the number of computers operating in the parallel. An image of a digital picture taken during a test of a digital camera module is portioned into N independent portions and each ... | 12/26/2006 |
| 7149423 | Lens apparatus diagnostic system, diagnostic program, record medium, lens diagnostic system and controller diagnostic system The lens apparatus diagnostic system, the diagnostic program, the record medium, the lens diagnostic system and the controller diagnostic system have the effects of, by connecting a personal computer to a TV lens and having a diagnosis of the TV lens performed by th... | 12/12/2006 |
| 7144130 | Illumination device An illumination apparatus for illumination of light by emitting light from LED for each of RGB colors capable of optionally setting a color temperature and controlling the brightness after the setting while maintaining the color temperature as it is, in which a ligh... | 12/05/2006 |
| 7023472 | Camera calibration using off-axis illumination and vignetting effects An imaging device is calibrated using a flat, featureless surface and uniform illumination, relying on the effect of off-axis illumination and vignetting on the reduction of light into the camera at off-axis angles. The effect of the tilt of the camera is also consi... | 04/04/2006 |
| 6975346 | Method for suspect identification using scanning of surveillance media A method, program and apparatus for criminal suspect identification are provided. Monitoring and video recording are used to collect information at a given location. In response to specific events, such as a criminal act, the system uses real time analysis of the vi... | 12/13/2005 |
| 6885759 | Calibration system for vision-based automatic writing implement A calibration system for a vision-based automatic writing implement is disclosed. The automatically controlled writing implement is appended to an articulated robot arm. The writing implement draws or writes on a substrate and recognizes what a user draws or writes ... | 04/26/2005 |
| 6618076 | Method and apparatus for calibrating projector-camera system The present invention enables a user to automatically calibrate a projector-camera system to recover the mapping from a given point in the source (pre-projection) image and its corresponding point in the camera image, and vice versa. One or more calibrati... | 09/09/2003 |
| 6366312 | Testing components in digital imaging devices A digital imaging system includes an array of sensors arranged generally in rows and columns and having data lines coupled to the sensors. Receiving logic is coupled to sense voltages on the data lines. A reference voltage generator (which can include a r... | 04/02/2002 |
| 5838840 | Inspection device using a field mode video camera with interpolation to replace missing pixels A video inspection device using a field mode CCD camera. In order to inspect the printing on a moving web, a field mode CCD camera is provided with a zoom lens and strobe light. The image obtained is processed so that only alternate pixels of the image ar... | 11/17/1998 |
| 5805813 | System for visual monitoring of operational indicators in an electric power system A visual monitoring system for an electric power substation includes at least one camera for obtaining the image of various operational indicators in the substation, either within the control house, outdoors or both. The indicators could be the status of ... | 09/08/1998 |
| 5748230 | Automated minimum resolvable contrast (AMRC) test A system for automatically performing the Minimum Resolvable Contrast (MRC) test on an image sensor, such as a TV camera, using a digital signal processor for controlling the testing, wherein an edge response from a square aperture target edge is used to ... | 05/05/1998 |
| 5617140 | Method for adjusting lens offset of a video camera A method for adjusting the lens offset of a video camera, in which the offset value of the lens is calculated quickly and exactly during only a small travel of a focus lens and a zoom lens, thereby shortening the time required for calculating the offset v... | 04/01/1997 |
| 5546126 | Television camera lens diagnostic system A television camera lens diagnostic system for diagnosing the state of operation of a movable mechanism in a lens unit has a start button which generates a start signal for commanding initiation of the diagnosis when pushed and a diagnostic action command... | 08/13/1996 |
| 5418562 | Method and apparatus for increasing the accuracy of dimensional measurements made with video cameras Video cameras, such as charge coupled device cameras, are used for optically making dimensional measurements of laser beams. Such cameras have drawbacks including baseline offset error, shading error, pixel-to-pixel fixed pattern offsets, and poor signal-... | 05/23/1995 |
| 5406329 | Solid state image pickup apparatus having test signal generator A solid state image pickup apparatus includes a solid state image pickup device for receiving an optical image of an object and generating an electrical image signal representing the optical image of the object in synchronism with a driving pulse from a d... | 04/11/1995 |
| 5396282 | Image mapping radiometer with a band-to-band registration device An image mapping radiometer mounted on a craft flying an orbit above an object zone. The radiometer includes main optics having in the visible field thereof a unit object zone defined by the swath width over the object zone and a distance in the direction... | 03/07/1995 |
| 5196925 | Compensating structure for position errors in apparatus for recording and reproducing charge latent image A charge latent image is formed on a recording medium in response to information and a reference pattern so that the information and the reference pattern are recorded on the recording medium. During a reproducing process, the information is read out from... | 03/23/1993 |
| 5142359 | Electronic endoscope An electronic endoscope that can automatically adjust the electronic characteristics of the processing amplifiers such as white balance, gamma balance, black level, or the like at optimum reference values. This is accomplished by selecting one of the plur... | 08/25/1992 |
| 5118943 | Device for correcting the faults of a sequence of images analyzed by an integrating matrix infrared sensor A device for correcting the faults of a sequence of images analyzed by an integrating matrix infrared sensor has a first part that determines a correction signal that is variable as a function of the temperature of the background of the images, equal to t... | 06/02/1992 |
| 5113247 | Solid state image pickup apparatus for correcting discrepancy of registration An image pickup apparatus comprising: a two-dimensional filter for interpolating the registration discrepancy due to the chromatic aberrations of the lens used; and a two-dimensional filter for correcting the fixing discrepancy of an image pickup element.... | 05/12/1992 |
| 5084761 | Video camera with rotatable color filter and registration correction In a color camera in which each time a rotatable filter is changed over to the positions of the filter portions of R, G and B, the reading operation of an image pickup device is performed to thereby output video signals of primary colors successively, the... | 01/28/1992 |
| 5016107 | Electronic still camera utilizing image compression and digital storage An electronic still camera employs digital processing of image signals corresponding to a still image and storage of the processed image signals in a removable static random access memory card. An image sensor is exposed to image light and the resultant a... | 05/14/1991 |
| 4924254 | Film printing/reading system An apparatus for recording an image onto a light recording medium (16) by sequentially recording a plurality of sections onto the light recording medium includes a light source (120) which emits light at a position which is movable over a light emitting a... | 05/08/1990 |
| 4922284 | Film printing/reading system A photographic system for accurately reproducing encoded information onto a recording medium is disclosed. The system includes an image/light source, a feedback sensor, a lens assembly, a controller, a recording medium assembly and a reading sensor, where... | 05/01/1990 |
| 4829339 | Film printing/reading system A photographic system for accurately reproducing encoded information onto a recording medium is disclosed. The system includes an image/light source, a feedback sensor, a lens assembly, a controller, a recording medium assembly and a reading sensor, where... | 05/09/1989 |
| 4811114 | Image reading apparatus An image reading apparatus for reading an image by using a plurality of image pickup elements, wherein the relative deviation of reading positions between the image pickup elements is detected from read outputs of the image pickup elements and the read ou... | 03/07/1989 |
| 4712187 | Automatic centering method for a video camera An automatic centering method for a video camera having a plurality of pick-up tubes and a deflection control circuit for each of the plurality of pick-up tubes is disclosed, which includes the steps of comparing outputs of two pick-up tubes of the plural... | 12/08/1987 |
| 4682214 | Test pattern projector for a color television camera A test pattern projector built into a color television camera, for adjusting the camera to desired conditions in order to attain a favorable quality of image immediately before use. A test pattern chart is illuminated with an illuminating light of an adju... | 07/21/1987 |
| 4667227 | Color image reading apparatus Apparatus apparatus for reading a color image by color separation with plural linear image sensors. The positional registration of color-separated images is achieved by reading a reference mark.... | 05/19/1987 |
| 4658286 | Method and apparatus for correcting distortions in reproducing systems A method and apparatus for defining a plurality of subcategories of the information content of the input to a reproduction system and generating a set of signals corresponding to each such subcategory for the system output and an idealized output. The set... | 04/14/1987 |
| 4647822 | Television camera A television camera capable of correcting shadings caused by digital registration faculty employed in a multi-tube type color television camera. The television camera comprises differentiating circuits for generating differentiated waves of correction wav... | 03/03/1987 |
| 4553073 | Deflection control circuit with level conversion A deflection control circuit for a plural-tube color television camera adjusts the deflection sawtooth waves furnished to the red and blue image pickup tubes to register the images thereof with the image of the green pickup tube, and eliminate any centeri... | 11/12/1985 |
