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| Number | Title | Issue Date |
| 7408683 | Image sensor for reading image and image reading apparatus including the image sensor An image sensor including a plurality of photoelectric conversion elements arranged in a main scanning direction, a plurality of switching elements connected to respective ones of the photoelectric conversion elements, individually, and a controller for generating a... | 08/05/2008 |
| 7403644 | Fingerprint scanner with translating platen An input device with an optical scanner for use in capturing biometric images such as fingerprints. The user places the biometric image on the platen window. Movement of the platen window allows a scan head to scan the biometric image and capture a series of scan li... | 07/22/2008 |
| 7283656 | Assessing electronic image quality Assessing the quality of an electronic image comprises determining a quality rating for the electronic image, associating image quality thresholds with purposes for electronic images, selecting the purpose that corresponds to the electronic image, identifying an ima... | 10/16/2007 |
| 7277176 | Emission filter X-Y array An imaging system for obtaining images of a specimen that includes a novel filtering system for filtering radiation emitted from the specimen. The imaging system includes a camera and a novel filter grid that is controllably movable relative to the camera in a manne... | 10/02/2007 |
| 7271837 | Method and apparatus for acquiring line signals When signal charges are read from light receiving pixels of each of CCD sensors, which are arrayed linearly such that end regions of CCD sensors adjacent to each other overlap with respect to a direction intersecting with the linear array direction of the CCD sensor... | 09/18/2007 |
| 7215835 | Method for operating optoelectronic sensors and sensor A method for operating an optical sensor which has a light receptor that receives line-by-line reflected or returned light for a complete picture. At least some of the received pictures are compressed with a picture compression algorithm. To process the picture and ... | 05/08/2007 |
| 7123388 | Image processing apparatus An image processing apparatus for correction on mounting shifts among sensor chips in a contact image sensor. The apparatus has plural sensor chips each having plural pixels, arrayed in a main scanning direction, and a correction device which performs correction on ... | 10/17/2006 |
| 7110577 | Method and apparatus for measuring structures in a fingerprint Method and apparatus for the measuring of structures in a fingerprint or the like, comprising the measuring of chosen characteristics of the surface of the fingerprint, e.g. by measuring capacitance or resistivity, using a sensor array comprising a plurality of sens... | 09/19/2006 |
| 7092448 | Method and system for estimating no-reference objective quality of video data The present invention relates to a method and system for estimating the quality of encoded video data without gaining access to the source data. The system is configured to decode compressed video data using an MPEG/H.263 decoder to produce decompressed video data. ... | 08/15/2006 |
| 7057199 | Apparatus and method for the measurement of water depth using a controlled receiver An Laser Airborne Depth Sounder (LADS) system for the measurement of water depth is disclosed, the system includes a transmitter and a receiver of laser light having at least two wavelengths so as to receive a first reflection from a water surface and a second refle... | 06/06/2006 |
| 7054471 | Method and apparatus for measuring structures in a fingerprint A plurality of images of portions of a fingerprint surface is generated by measuring structural features the portions of the surface with a sensor array as the surface is moved relative to the array. A two-dimensional image of the fingerprint surface is constructed ... | 05/30/2006 |
| 6917361 | Method and system for computing a transverse derivative field along a curve on a surface According to one embodiment of the invention, a computerized method for computing a transversal derivative field along a curve on a surface includes receiving data defining the surface, the surface represented in terms of parameters u and v as S(u,v), and receiving ... | 07/12/2005 |
| 6862367 | Artificial vision method and system An artificial vision system includes means (12, 14) for generating an image percept vector, means (16) for transforming this image percept vector into a feature vector, and means (16) for generating a response vector by multiplying the feature v... | 03/01/2005 |
| 6839458 | Processing apparatus for discriminating various types of paper and control method of procressing The processing apparatus for discriminating bank notes has an insert sensor for detecting the insertion of a bank note, line sensors for sampling the pattern and so forth of the bank note, and a sensor memory in which sampling data collected by means of the line sen... | 01/04/2005 |
| 6829005 | Predicting subjective quality ratings of video A method of predicting subjective quality ratings of processed video from corresponding human vision model perceptual difference scores obtains perceptual difference scores for a “Worst” quality video training sequence and for a “Best” quality video training... | 12/07/2004 |
| 6611363 | Scanner including new zoom method and variable aperture In one embodiment, a scanner is provided having inter alia an optical zoom system, which includes a movable lens assembly and a rotatable mirror. The image to be scanned, the optical zoom system and the scanning head are located along an optical axis. The... | 08/26/2003 |
| 6539129 | Image reading apparatus having plural sensors arranged adjacently in a line An image reading apparatus includes: a plurality of line sensors for converting pickup light into image signals, the line sensors being arranged adjacently in a line; a first signal line for inputting driving signals for driving the plurality of line sens... | 03/25/2003 |
| 6288794 | Variable sample rate converter adaptable to rational ratios A variable sample rate converter, adaptable to rational ratios, converts a plurality of data having a first sample rate to a plurality of data having a second sample rate. The variable sample rate converter is employed in data processing devices including... | 09/11/2001 |
| 6181809 | Apparatus for processing and digitizing photographic film in one pass An apparatus comprising means for processing exposed photographic film and means for digitizing the processed photographic film is disclosed. According to a preferred mode, the apparatus for processing exposed radiographic film and for digitizing the proc... | 01/30/2001 |
| 6078685 | Image reading apparatus for reading a color image by irradiating light onto an object and photoelectrically converting light from the object This invention has as its object to provide an image reading apparatus which can prevent color mixing even when a linear image sensor in which charge transfer units are arranged to sandwich light-receiving units of different colors therebetween is used. I... | 06/20/2000 |
| 6031943 | Method and apparatus for distortion detection of scanned image The present invention is related to a method and an apparatus for distortion detection of a scanned image. The method for distortion detection of a scanned image comprises: a) obtaining a first value representative of a first scanning position for the ima... | 02/29/2000 |
| 6005990 | System for optically scanning images using optical shutter An image is optically scanned by projecting the image onto an optical sensor through an optical shutter. In an exemplary embodiment, the image is projected through the optical shutter while the shutter is made substantially opaque except for a selected su... | 12/21/1999 |
| 5987194 | Image reading apparatus and image recording apparatus An image reading apparatus includes a line sensor for reading an image of a document sheet, an A/D converter for converting image data from the line sensor to multi-level image data, a binarization comparator for converting the multi-level image data from... | 11/16/1999 |
| 5887085 | Image processing device An image processing device is provided with a scanning means which performs subscanning by a pitch corresponding to a width covering a number of pixels less than the number of detectable pixels by a one dimensional image sensor by two or more pixels so as... | 03/23/1999 |
| 5790717 | Apparatus and method for predicting subjective quality of compressed images An apparatus and method are described for predicting a subjective quality rating associated with a reference image compressed at a given level. My apparatus includes components for, and my method includes steps of, storing a digitized color image represen... | 08/04/1998 |
| 5604826 | Image recording apparatus An image reading apparatus which has a reader for optically reading image data of an object and for converting the image data to an electrical signal, an extractor for extracting a useful part, corresponding to actual image data, from the electrical signa... | 02/18/1997 |
| 5467405 | Method and apparatus for currency discrimination and counting An improved method and apparatus for discriminating between currency bills of different denominations uses an optical sensing and correlation technique based on the sensing of bill reflectance characteristics obtained by illuminating and scanning a bill a... | 11/14/1995 |
| 5309515 | Currency note width detector Apparatus for accurately determining the width of a traveling document in which respective groups of LEDs are disposed along a line extending transversely of the path of document travel inwardly from points spaced by a distance greater than the maximum do... | 05/03/1994 |
| 5301243 | Hand-held character-oriented scanner with external view area A hand-held scanner is provided for reading characters from a string of characters recorded on a substrate. The scanner may be held like a pen and moved, in contact with the substrate, along the string of characters. Movement of the scanner is sensed by a... | 04/05/1994 |
| 5299268 | Method for detecting the locations of light-reflective metallization on a substrate The detection (e.g., mapping) of metallized features (14,16) on a surface (12) of a substrate (10), such as a printed circuit board, is accomplished by separately spanning the surface with first and second lines of light (30,32), which have known intensit... | 03/29/1994 |
| 5280542 | XYZ coordinates measuring system XYZ coordinates of an object are measured by projecting pulse slit light onto the object, imaging the slit line formed on the surface of the object by a TV camera, and processing the video signal from the camera according to the scanning signals from the ... | 01/18/1994 |
| 5220626 | Method of smoothly combining signals from overlapping sensors An image signal is produced by adding output signals from arrays of photoelectric transducer elements of adjacent two of a plurality of image sensors. Output signals from all of the image sensors are combined into an image signal representative of image i... | 06/15/1993 |
| 5153929 | Image reading apparatus outputting corrected image signals Image reading apparatus outputting corrected image signals includes at least one linear sensor for reading an image of an original. The linear sensor has a plurality of photodiodes and a transfer shift register. The shift register outputs image signals fr... | 10/06/1992 |
| 5109440 | Image sensing apparatus A plurality of opto-electro conversion elements are arranged integrally in a row to constitute a line image sensor to produce respective image bit signals. A plurality of switching elements are connected to the corresponding conversion elements and switch... | 04/28/1992 |
| 5097516 | Technique for illuminating a surface with a gradient intensity line of light to achieve enhanced two-dimensional imaging To obtain an enhanced two-dimensional image of a raised, light-reflective reflective feature (12), and its lower height surrounding background such that the contrast between them is enhanced, a line of light having a gradient profile is directed at an acu... | 03/17/1992 |
| 5091978 | Apparatus for line scanning a document An image reading apparatus having a line image sensor for line scanning a document. The line image sensor includes plural sensor chips aligned in a main scan direction for outputting image signals. Plural analogue to digital converters convert analogue im... | 02/25/1992 |
| 5077810 | Distributed digital signal processing system using standard resolution processors for a high resolution sensor A digital processing architecture for a high resolution image sensor uses a plurality of like digital processors for time-divided processing of the output of the sensor. Each processor is operational according to start and stop signals from a programmable... | 12/31/1991 |
| 5068913 | Image reader with platen criterial mark for determining document scan start An image reader which has a criterion member arranged at the upstream side of a platen with respect to the subscan direction and controls a scanner so as to scan the criterion member and subsequent thereto the document. The criterion member is used to det... | 11/26/1991 |
| 5026953 | Scanner system with local scanning capability for graphic reading A scanner system with local scanning capability for graphic reading, which comprises a tablet, a scanner, a stylus or cursor control mouse and a main frame CPU. The scanner comprises a plurality of oscillators (induction coils) at both sides by the light ... | 06/25/1991 |
| 5023921 | Method and a device for processing electric signals coming from the analysis of the line of an image The invention relates to a method and a device for processing an electric signal constituting the analysis of a line of an image and issued by linear detectors such as a strip (20) of adjacent photodetectors (such as 7, 8) which realize a sampling at a co... | 06/11/1991 |
