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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 8154633 | Line removal and object detection in an image In one aspect, lines in image data of an event are automatically found and repaired. For example, the event may be a sporting event which is played on a field, and the line segment is a field line on the field which may be obscured by a player, game ball or other ob... | 04/10/2012 |
| 8130292 | Scene illumination adaptive lens shading correction for imaging devices Methods, apparatuses, and systems for scene adaptive lens shading correction. One or more gain adjustment surfaces calibrated to a reference illuminant type is stored. At least one scene adjustment surface, which varies as a function of the illuminant type, is store... | 03/06/2012 |
| 8106976 | Peripheral light amount correction apparatus, peripheral light amount correction method, electronic information device, control program and readable recording medium The present invention corrects the insufficient peripheral light amount due to the lens shading and correcting the non-uniformity of light amount at the periphery due to a distortion resulting from a precision of the lens or a poor mounting precision of the lens. A ... | 01/31/2012 |
| 8102445 | Solid-state image-capturing apparatus, camera, and method of processing signal A solid-state image-capturing apparatus that converts light, which is reflected from a subject, into an electrical signal, includes an image processing unit that performs edge enhancement on a digital video signal that is generated based on an analog video signal, w... | 01/24/2012 |
| 8098307 | Imaging device and imaging method According to an aspect of an embodiment, an imaging device has a black level reference generator for generating a reference value of a black level by calculating an average value of the accumulated pixel values for which the maximum values and/or minimum values has ... | 01/17/2012 |
| 8098306 | Phase adjustment device, phase adjustment method and digital camera A brightness level detector detects a brightness level of the digital imaging signal for each of the plurality of pixels. A shading detector sets a group of pixel regions distant from each other in a horizontal direction in the imaging element and then detects wheth... | 01/17/2012 |
| 8094216 | Image processing apparatus, method for controlling image processing apparatus, and storage medium Foreign substance information including information on a position and size of a foreign substance in an imaging unit is acquired. When correcting a shadow of the foreign substance of the moving image data using the acquired foreign substance information and playing ... | 01/10/2012 |
| 8072515 | Correction circuit, correction method and image pickup apparatus Aspects of an embodiment include providing a correction circuit that corrects image data in apiece of a frame, the correction circuit comprising: a weight processing unit which performs weighting on position data corresponding to a relative position in response to t... | 12/06/2011 |
| 8054351 | Method and apparatus for imaging According to one embodiment, a shading correction circuit, which corrects for the influence of ambient light quantity shading, for input image light from three CCD sensors of R, G and B, based on a distance from the center of a screen. A shading correction circuit d... | 11/08/2011 |
| 8054350 | Shade correction for lens in image sensor An apparatus for performing shade correction for a lens in an image sensor includes a gain profile extractor, a common profile calculator, a gain controller calculator, and a memory device. The gain profile extractor generates a respective channel gain profile for e... | 11/08/2011 |
| 8049796 | Method of correcting sensitivity and imaging apparatus An object of the invention is to provide a method of correcting sensitivity and an imaging apparatus, by which shading correction can be performed with good accuracy even with a simple structure. A method of correcting sensitivity includes providing imaging elements... | 11/01/2011 |
| 8049795 | Lens shading compensation apparatus and method, and image processor using the same Disclosed are a lens shading compensation apparatus and a lens shading compensation method in an image sensor that compensate the difference in signal amplitude according to the position of pixels to preserve the quality of a primitive image. The lens shading compen... | 11/01/2011 |
| 8026965 | Image pickup apparatus and method for controlling the same An image pickup apparatus for applying high-speed dark shading correction and reducing random noise in a black image is provided. The image pickup apparatus has an image pickup element capable of reading image signals corresponding to one frame, which are obtained b... | 09/27/2011 |
| 8023014 | Method and apparatus for compensating image sensor lens shading The invention relates to a method and apparatus for compensating the lens shading phenomenon in image sensor. The invention first stores an inputted compensation reference value, identifies a center pixel using digital image signals received sequentially in correspo... | 09/20/2011 |
| 8018506 | Image taking apparatus with shading correction An image taking apparatus according to an aspect of the present invention comprises: a light source discrimination device which discriminates a light source in a photographing environment; and a shading correction device which makes shading correction according to t... | 09/13/2011 |
| 7907195 | Techniques for modifying image field data as a function of radius across the image field A technique for modifying data of an image, such as can be implemented in a still camera or video recorder in order to correct for defects in its optical and/or electronic systems, includes generating data to modify the image as a function of radial position across ... | 03/15/2011 |
| 7893973 | Image processor and image processing method using luminance value rate change Document image data is converted into luminance image data. Block image data is generated from the luminance image data. Start point block pixel data and end point block pixel data are set based on a change rate of luminance values of adjacent block pixel data. A lu... | 02/22/2011 |
| 7834920 | Image sensor for filtering and coring pixel data and related methods A method is for filtering data output from an array of pixels in an image sensor. The method may include filtering noise from variation in pixel response across the array. An electronic device may have a device for filtering data output from an array of pixels in an... | 11/16/2010 |
| 7834921 | Compensation techniques for variations in image field data Techniques for modifying data of an image that can be implemented in a digital camera, video image capturing device and other optical systems are provided to correct for image shading variations appearing in data from a two-dimensional photo-sensor. These variations... | 11/16/2010 |
| 7791655 | Imaging apparatus with function of shading compensation A photographing unit photographs an object “n” times respectively with exposure times T1(1) to T1(n) to generate “n” sheets of images of the same object per an exposure time T1, where “n” is a whole number and the expos... | 09/07/2010 |
| 7787036 | Imaging apparatus configured to correct noise An imaging apparatus includes an imaging area having, in a vertical direction, a plurality of lines having a plurality of pixels in a horizontal direction, wherein each of the plurality of lines includes an light-shielded area and an effective pixel area that is not... | 08/31/2010 |
| 7787035 | Image acquiring apparatus and image processing method thereof An image acquiring apparatus and an image processing method thereof. First, the apparatus acquires an image including at least one pixel corresponding to image data. A location of the at least one pixel of the image is represented by an actual coordinate. Next, the ... | 08/31/2010 |
| 7782380 | Positional gain adjustment and surface generation for image processing Surface generation and positional gain adjustment techniques for an imager are described. Embodiments of the techniques use zones having flexible boundaries which can be reconfigured depending upon the type of lens being used in a given application. Each pixel withi... | 08/24/2010 |
| 7777793 | Signal processor having A/D conversion unit and operation part A signal processor formed on a single semiconductor chip having an A/D conversion unit for converting an analog signal to a digital signal, includes an operation unit for performing a calculation based on a plurality of digital signals converted by the A/D conversio... | 08/17/2010 |
| 7768559 | Positional gain adjustment and surface generation for image processing Surface generation and positional gain adjustment techniques for an imager are described. Embodiments of the techniques use zones having flexible boundaries which can be reconfigured depending upon the type of lens being used in a given application. Each pixel withi... | 08/03/2010 |
| 7764314 | Shading detecting method and shading detecting apparatus for camera module An exemplary shading detecting method for a camera module is provided. In the method, a plurality of brightness values are measured from a plurality of predetermined regions of a stable rectangular image generated by the camera module. A plurality of brightness diff... | 07/27/2010 |
| 7760252 | Shading compensation device, shading compensation value calculation device and imaging device A shading compensation device which compensates for shading which differs for respective colors. A pixel counter counts co-ordinate positions of image data which is supplied from a black level correction section. A relative position calculation section compares the ... | 07/20/2010 |
| 7714914 | Method and device for the correction of the brightness of a raw image generated by a sensor matrix The invention relates to a method for the correction of the brightness of a raw image generated by a sensor matrix, in which an intensity matching is carried out at picture elements defined by a line coordinate and a column coordinate and at least one intensity valu... | 05/11/2010 |
| 7697043 | Apparatus for compensating for color shading on a picture picked up by a solid-state image sensor over a broad dynamic range In a solid-state image pickup apparatus, a preliminary pickup circuit performs, during preliminary pickup, divided photometry on a photometry signal outputted from the primary cells of photo-sensors, determines an exposure condition in which photometry data in all d... | 04/13/2010 |
| 7692700 | Vignetting compensation A method used for the compensation of vignetting in digital cameras has been achieved. The compensation for vignetting is done in two steps. The first step is done during production of the camera unit and involves taking and analyzing an image of a test screen, pref... | 04/06/2010 |
| 7652698 | Shading correction circuit of electronic camera A shading correction circuit of the present invention includes an image pickup device having photo detectors arranged on its receptive surface, and a shading correction part for performing shading correction on an output signal of the image pickup device. The image ... | 01/26/2010 |
| 7619668 | Abnormality detecting apparatus for imaging apparatus An abnormality detecting apparatus for an imaging apparatus that detects a presence of abnormalities in imaging apparatuses mounted on a vehicle to capture vehicle surroundings, which includes: a luminance variance value calculating device that calculates a luminanc... | 11/17/2009 |
| 7609305 | Methods and systems for anti shading correction in image sensors Embodiments of the current invention provide for systems and methods for correcting shading effects in image sensors. More specifically, but not by way of limitation, embodiments of the current invention provide methods and systems for dynamically correcting shading... | 10/27/2009 |
| 7580071 | Electronic camera and control program of same for detecting foreign materials The invention relates to an electronic camera having self-detection function of foreign materials and a control program thereof. The electronic camera includes: an image sensor having an image pickup plane on an image plane of an optical system; a formation changing... | 08/25/2009 |
| 7538806 | Shading correction method and system and digital camera From horizontal and vertical coordinate values HC and VC of a pixel, a distance operation unit calculates a distance value RV indicating the distance from an optical-axis position to the pixel. A correction-data operation unit receives the distance value RV, and cal... | 05/26/2009 |
| 7538805 | Apparatus for compensating for shading on a picture picked up by a solid-state image sensor over a broad dynamic range A solid-state image pickup apparatus includes photo-sensors arranged in the directions of row and column and each corresponding to a particular pixel included in an imaging frame. Each photo-sensor is made up of a higher- and a lower-sensitivity photosensitive cell ... | 05/26/2009 |
| 7502057 | Method and apparatus for color non-uniformity correction in a digital camera Reducing or eliminated color-dependent vignetting in a digital camera includes: providing a raw array of data corresponding to an image of a scene for each color that the camera can image; and adjusting the raw arrays such that the array for each color exhibits subs... | 03/10/2009 |
| 7499088 | Imaging apparatus, imaging method and imaging processing program An imaging apparatus is provided in which a picked-up image having no light-amount unevenness with respect to an arbitrary shutter speed is obtained in the case where the center of the brightness is deviated in accordance with the shutter speed. The imaging apparatu... | 03/03/2009 |
| 7486317 | Image processing method and apparatus for red eye correction An image processing apparatus for correcting red eye phenomenon in photographic image data. This apparatus includes a skin color pixel detecting portion for detecting a skin color pixel in the image data based on a predetermined skin color detection condition, a whi... | 02/03/2009 |
| 7463294 | Signal processing unit for correcting shading of image signal, and electronic camera A signal processing unit or an electronic camera according to the present invention performs signal processing on an output signal from an image pickup part in the order of horizontal shading correction and OB clamp. In the horizontal shading correction, shading cor... | 12/09/2008 |
