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| Number | Title | Issue Date |
| 8395666 | Automated measurement of video quality parameters Methods, systems and software are disclosed for automated Measurement of Video Quality parameters. The system includes a static Test Pattern provided either in form of a Test Pattern File, converted via a standard playout device (test source) into analog or digital ... | 03/12/2013 |
| 8368762 | Methods and apparatus for camera calibration based on multiview image geometry Methods and apparatus for camera calibration based on multiview image geometry. A lens profiling module may estimate two or more mathematical models for correcting aberrations in images in a single pass from a set of calibration images captured with a camera/lens co... | 02/05/2013 |
| 8363111 | Resolution test device and method thereof A resolution test device and a method thereof are provided. The resolution test method is adapted for testing a resolution of a camera device. The resolution test method includes providing a graph to the camera device, capturing a test image shot by the camera devic... | 01/29/2013 |
| 8294771 | Image correction device and image correction method thereof An image correction device includes an image capturing module, a first calculating module, a second calculating module, a third calculating module, and a correction module. The image capturing module includes an image sensor having a center (Xo, Yo). The image captu... | 10/23/2012 |
| 8284260 | Optimal raw RGB determination for color calibration Improving color calibration, and similar operations, by generating an optimal raw RGB color chart, in the raw RGB domain, for an imaging device with a given type of image sensor, such as for a digital still camera. Calibration is performed in response to a constrain... | 10/09/2012 |
| 8259180 | Method and apparatus for estimating the imaging capability of an image-formation optical system The invention is concerned with an imaging capability estimation method and apparatus for an image-formation optical system, which can match the results of direct estimation of an actually visible image to the visibility of that image and is less vulnerable to image... | 09/04/2012 |
| 8139117 | Image quality analysis with test pattern A system for the automated analysis of image quality obtained by a camera in a camera tunnel system includes a test pattern on an item for placement in the camera tunnel system and an imaging subsystem configured to capture an image of the item using the camera tunn... | 03/20/2012 |
| 8098284 | Method of manufacturing camera module A measuring device includes an actuator which holds a lens unit and moves the lens unit in the direction of the optical axis thereof. A test chart is photographed, with the lens unit being opposed to a reference image pickup device, and the lens unit is positioned a... | 01/17/2012 |
| 8059155 | System and method for measuring field of view of digital camera modules A measuring system (200) for measuring a FOV of a digital camera module (52) includes a measuring chart (22), a parameter inputting module (32), and a processing module (42). The measuring chart defines a colored portion. The param... | 11/15/2011 |
| 7999851 | Optical alignment of cameras with extended depth of field A method for calibration of an imaging device that includes a sensor and optics for forming an image on the sensor. The method includes making a first image quality measurement, based on an output of the sensor, while imaging a first target at a first distance from ... | 08/16/2011 |
| 7948519 | Intelligent light source with synchronization with a digital camera An intelligent light source for use with the test of a digital camera module provides a plurality of shapes of light. A fast light pulse is created with turn-on and turn-off transitions less than or equal to one microsecond. Other waveform shapes comprise a ramp and... | 05/24/2011 |
| 7889234 | Automatic calibration for camera lens distortion correction A method and apparatus for providing a distortion corrected video signal. A camera is directed toward a test pattern for producing a raw video signal. An image processor is operatively connected to the camera for receiving the raw video signal. The image processor i... | 02/15/2011 |
| 7782360 | Storable test pattern image and method A portable, self contained, deployable test pattern display, for use in optimising imaging quality having a portable protective display housing, a test pattern incorporating imaging information contained in and deployable from the housing, a retraction device connec... | 08/24/2010 |
| 7671891 | Online camera calibration Online camera calibration methods have been proposed whereby calibration information is extracted from the images that the system captures during normal operation and is used to continually update system parameters. However, such existing methods do not cope well wi... | 03/02/2010 |
| 7612801 | Calibration methods and apparatus for digital cameras Digital cameras are calibrated so that detailed highlights and shadows in scenes being photographed are reproduced in digital images of those scenes by calibrating holographic data obtained from target images at those scenes. In one embodiment the target image is ob... | 11/03/2009 |
| 7570282 | Color correction of multiple colors using a calibrated technique A system of correcting for color filter array by correcting for a plurality of colors in the color filter array. A color correction matrix is formed which corrects each color for a plurality of desired characteristics simultaneously. These desired characteristics ca... | 08/04/2009 |
| 7557826 | Method for device spectral sensitivity reconstruction A method and system are provided for approximating spectral sensitivities of a particular image sensor, the image sensor having a color filter array positioned over the image sensor. In one example of the method, the method involves measuring spectral sensitivities ... | 07/07/2009 |
| 7479982 | Device and method of measuring data for calibration, program for measuring data for calibration, program recording medium readable with computer, and image data processing device A device for measuring data for calibration for obtaining data for calibration of a camera 2 capable of varying its optical conditions, wherein the data for calibration are obtained using a plurality of images of a calibration chart 1 having marks arra... | 01/20/2009 |
| 7444071 | Method for diagnosing disease from tongue image A digital image processing method for a centralized multi-mode medical tongue image inspection system, comprising the steps of: forming at least one service unit (300) for performing tongue record (220) construction; forming a processing unit (320 | 10/28/2008 |
| 7405816 | Scalable test target and method for measurement of camera image quality An improved test target pattern that can be used in the testing of image quality for digital images taken with a camera module, the camera module either being a stand-alone product or being incorporated into a device such as a mobile telephone. With the present inve... | 07/29/2008 |
| 7376345 | Camera reference device and method of taking a photographic image using a camera reference device This invention relates to an apparatus and method to permit a photographer to take accurate portraiture pictures. There is provided a camera reference device for adjusting the settings on a camera comprising a reference member with qualitative indicia for determinin... | 05/20/2008 |
| 7362357 | Calibration of digital color imagery An apparatus and method for estimating the power spectral density of an unknown illuminant that does not require direct spectral measurements. The apparatus and method allows calibration of color images taken with commercially available digital cameras in arbitrary ... | 04/22/2008 |
| 7355636 | Image processing apparatus enabled to generate image processing information usable by other image processing devices An object of this invention is to provide an image processing system capable of providing a high-quality pickup image by an arrangement in which white balance control to a pickup image can always be efficiently, properly performed. To achieve this object, a pickup i... | 04/08/2008 |
| 7355753 | Color saturation adjustment A method of adjusting primary color data values including producing color saturation adjusted primary color data values that depend on a relative amount of chroma in the initial primary color data values. ... | 04/08/2008 |
| 7317482 | Distance calculating method and imaging device A distance calculation method and an imaging device that can be applied to a digital camera. The method includes calculating a distance between a point corresponding to an optical axis of a lens sub-system of the imaging device and an input point, and using the calc... | 01/08/2008 |
| 7312829 | Method of determining a device spectral response A method is provided of determining a device spectral response for an image recording device. The method comprises obtaining a filtered light response from a number of filters of a filter set, wherein each filter has a pass band with at least one boundary defined by... | 12/25/2007 |
| 7310109 | Protective device for safeguarding a hazardous area and method of checking the functional reliability of such a device The present invention discloses a protective device for safeguarding a hazardous area and a method for checking the functional reliability of such a device. The protective device has an image recording unit with an image sensor which includes a large number of light... | 12/18/2007 |
| 7307654 | Image capture and viewing system and method for generating a synthesized image An image capture and viewing system is disclosed. In one embodiment, the present invention provides an image capture system for providing an image of a subject. The image capture system includes a planar surface, a first camera, a second camera and a control module.... | 12/11/2007 |
| 7304663 | Image test target for visual determination of digital image resolution Resolution of an image capture system is measured by imaging a test target having a progression of feature sizes and pitch in respective sub-fields thereof. The image captured by the imaging system is then inspected to determine a sub-field image which does not incl... | 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 |
| 7292266 | Image evaluation chart and performance test method using the same An image evaluation chart and a method for testing performances of the video equipment using the same. The image evaluation chart includes a resolution inspection area. The resolution inspection area includes a center point located at a center part of the chart, a r... | 11/06/2007 |
| 7265781 | Method and apparatus for determining a color correction matrix by minimizing a color difference maximum or average value Color correction matrix determining method and apparatus and image photographing method and apparatus are used in a color processing system that converts input image data into output image data and has two color correction matrixes that are a first matrix and a seco... | 09/04/2007 |
| 7251362 | Color image processing apparatus A color image processing apparatus reproduces color data of a subject at higher accuracy by estimating the spectral reflectance of the subject from the color chip basis function vn(λ) which can expand the spectral reflectances of all color chips of the reference ch... | 07/31/2007 |
| 7251359 | Image processing apparatus and method that use sample spectral distribution data selected based on color data from an object to estimate spectral distribution of a wavelength region Estimating the spectral distribution of an object requires not only the time of image sensing by a multi-spectrum camera but also, in order to process all band information acquired, large amounts of memories for storing all the band information of all pixels, and th... | 07/31/2007 |
| 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 |
| 7248287 | Method for examining shooting direction of camera apparatus, device thereof and structure for installing sensor In a test method in which an image photographed by a camera apparatus 1 attached to a body of a vehicle is displayed on a display device 17 and an examiner examines compliance or non-compliance of the shooting direction of the camera apparatus 1... | 07/24/2007 |
| 7227637 | Measurement system with separate optimized beam paths The subject invention relates to a broadband optical metrology system that segregates the broadband radiation into multiple sub-bands to improve overall performance. Each sub-band includes only a fraction of the original bandwidth. The optical path—the light path ... | 06/05/2007 |
| 7215822 | Image processing device and image outputting device The invention naturally enhances the sharpness of an image by performing appropriate sharpness processing. An image processing device receives input original image data, performs sharpness processing, and outputs correction image data. Specifically, the degree of th... | 05/08/2007 |
| 7215362 | Auto-calibration of multi-projector systems The method for automatically calibrating a multi-projector system with at least two projectors, a digital camera and a control unit for controlling the projectors and the camera is performed according to the following steps: produc... | 05/08/2007 |
| 7200497 | Test system and method for portable electronic apparatus A test system for testing a portable electronic apparatus is described. The test system has at least a display, a platform, and a controller. The controller controls the display to display test images in sequence. The controller commands the portable electronic appa... | 04/03/2007 |
