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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Utagawa; Ken
Address:
Yokohama, JP
No. of patents:
59
Patents:


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Patent Number Title Of Patent Date Issued
8254675 Image processing apparatus, imaging apparatus and image processing program August 28, 2012
A white-balance imaging apparatus includes a first gradation converting unit performing gradation conversion depending on each pixel value of an original image, a second gradation converting unit performing gradation conversion based on pixel values within a predetermined range from each
8139144 Focus detection device, focus detection method and imaging apparatus March 20, 2012
A focus detection device includes an imaging element, a storage controller, and a focus detector. The imaging element is provided on a light path of a light flux incident via an optical system and has a plurality of pixels of charge storage type two-dimensionally arranged. The storag
8120690 Imaging device February 21, 2012
An imaging device of the present invention includes a plurality of photosensors arranged in matrix on a light-receiving surface and a readout section for adding up photo signals on the photosensors for external output in each pixel block set on the light-receiving surface. The pixel
8045048 Focus detection device, focus detection method, and image pickup apparatus October 25, 2011
A focus detection device includes a light receiving element, an image shift detection unit, a movement detection unit, and a focus detection unit. The light receiving element receives a pair of light fluxes passing through different regions of a pupil of an optical system. The image
7805067 Focus detection device for image forming optical system, imaging apparatus, and focus detection September 28, 2010
A focus detection device for an image forming optical system includes a micro-lens array constituted with a plurality of two-dimensionally arrayed micro-lenses, a light-receiving element array that includes a plurality of light-receiving element s receiving a light flux from the imag
7767946 Focus detection device and image pick-up device August 3, 2010
A focus detection device includes a micro lens array having a plurality of micro lenses, a light receiving element array having a plurality of light receiving elements for each micro lens and that receives light rays from a plurality of partial areas in which pupils of an imaging optical
7755670 Tone-conversion device for image, program, electronic camera, and tone-conversion method July 13, 2010
The present invention relates to a tone-conversion device for converting a tone of an image having an achromatic signal and a chromatic signal, and it includes the following components: a signal extracting unit defining an achromatic signal of a first pixel or a second pixel from plural
7745772 Image forming state detection device June 29, 2010
An image forming state detection device comprises a micro-lens array that is disposed at a position set apart from a predetermined focal plane of an image forming optical system by a specific distance and includes a plurality of micro-lenses arrayed with a predetermined pitch, a ligh
7732744 Image input apparatus, photodetection apparatus, and image synthesis method June 8, 2010
An image input apparatus includes an imaging optical system, a microlens array having a plurality of microlenses two-dimensionally arrayed with a predetermined pitch in the vicinity of a focal plane of the imaging optical system, and a photoreceptor array having a plurality of photor
7719717 Image recording apparatus and method, image reproducing apparatus and method, and recording medi May 18, 2010
The present invention is intended to record image data having a wide dynamic range is a file together with image data having a narrow dynamic range. First, an image recording apparatus separately gradation-converts image data to be recorded into primary data having a narrow dynamic range
7715703 Image sensor and image capturing device May 11, 2010
An image sensor includes: image capturing pixels and focus detection pixels disposed together on a single substrate; and adjacent pixels that are not equipped with a photoelectric conversion unit and are disposed adjacent to the focus detection pixels.
7706628 Image processing apparatus for image tone transformation based on input signals, image processin April 27, 2010
An image processing apparatus of the present invention receives a luminance signal indicating luminance or an amount of brightness and input signals indicating a plurality of color differences, and it includes: a signal generator generating a signal Z depending on the input signals i
7599578 Apparatus, program, and method for image tone transformation, and electronic camera October 6, 2009
A tone transformation apparatus of the present invention extracts or generates a signal Z[i, j] according to a pixel value of a pixel [i. j] of an original image or a pixel value of its immediate neighborhood. Further, it extracts or generates a signal ZL[i, j] according to a pixel v
7233414 Image recording apparatus and method, image reproducing apparatus and method, and recording medi June 19, 2007
The present invention is intended to record image data having a wide dynamic range is a file together with image data having a narrow dynamic range. First, an image recording apparatus separately gradation-converts image data to be recorded into primary data having a narrow dynamic range
7016549 Image processing method for direction dependent low pass filtering March 21, 2006
First similarity values along at least four directions are ascertained within a local area containing a target pixel and weighted averaging is performed by adding the pixel values of pixels around the target pixel value to the pixel value of the target pixel, adding weight along a di
6836572 Interpolation processing apparatus and recording medium having interpolation processing program December 28, 2004
An interpolation processing apparatus that performs interpolation to obtain color information corresponding to a first color component of a pixel, in which the first color component is missing, of an image-capturing sensor having a plurality of pixels which are arranged in a two-dimensio
6563538 Interpolation device, process and recording medium on which interpolation processing program is May 13, 2003
An interpolation device performs interpolation of an image in which grid points that output a predetermined color and empty grid points that do not output the predetermined color are arrayed in a checkered configuration. A recording medium stores an image interpolation processing program
6529640 Image processing apparatus March 4, 2003
The image reading-out apparatus is capable of always obtaining a good image irrespective of a luminance difference. A control unit controls storage times of a pair of image pickup devices through a timing generator independently, thus controlling these storage times to optimized values.
5761549 Distance measuring device for camera June 2, 1998
A distance measuring device has a first projecting unit for projecting a first light beam in a direction substantially parallel to a distance measurement axis that connects a distance measuring portion in the angle of view of photograph of a camera, and the object-side principal point of
5587761 Automatic focusing apparatus December 24, 1996
An automatic focusing apparatus repetitively detects a defocus amount of a photographing lens, discriminates whether or not an object is moving, and calculates a pursuit correction amount for a moving object on the basis of present and previous defocus amounts. When a non-moving object i
5555068 Camera with improved lens drive during switching of multiple focal point detection areas September 10, 1996
A camera having multiple focal point detection areas which are individually selectable to focus a subject in a respective, selected focal point detection area. The camera includes a photographic lens and a focus adjustment unit. The focus adjustment unit drives the photographic lens to
5532781 Focus detection device for an optical system July 2, 1996
A focus detection device for an optical system which samples discrete areas of an image to determine focus adjustment. The discrete areas are either rectilinear or cross shaped. The rectilinear focus detection areas are inclined relative to the horizontal edge of the finder frame at an a
5528331 Automatic focusing apparatus June 18, 1996
An automatic focusing apparatus repetitively detects a defocus amount of a photographing lens, discriminates whether or not an object is moving, and calculates a pursuit correction amount for a moving object on the basis of present and previous defocus amounts. When a non-moving object i
5528330 Focus detecting apparatus June 18, 1996
A focus detecting apparatus comprises charge accumulation type photoelectric converting devices provided correspondingly to at least three focus detection areas set in a photographing image field and having a plurality of pairs of light receiving portions each for receiving a pair of
5517275 Automatic focusing apparatus May 14, 1996
An automatic focusing apparatus repetitively detects a defocus amount of a photographing lens, discriminates whether or not an object is moving, and calculates a pursuit correction amount for a moving object on the basis of present and previous defocus amounts. When a non-moving object i
5512973 Automatic focusing apparatus April 30, 1996
An automatic focusing apparatus repetitively detects a defocus amount of a photographing lens, discriminates whether or not an object is moving, and calculates a pursuit correction amount for a moving object on the basis of present and previous defocus amounts. When a non-moving object i
5510874 Automatic focusing apparatus April 23, 1996
An automatic focusing apparatus repetitively detects a defocus amount of a photographing lens, discriminates whether or not an object is moving, and calculates a pursuit correction amount for a moving object on the basis of present and previous defocus amounts. When a non-moving object i
5510873 Automatic focusing apparatus April 23, 1996
An automatic focusing apparatus repetitively detects a defocus amount of a photographing lens, discriminates whether or not an object is moving, and calculates a pursuit correction amount for a moving object on the basis of present and previous defocus amounts. When a non-moving object i
5504551 Automatic focusing apparatus April 2, 1996
An automatic focusing apparatus repetitively detects a defocus amount of a photographing lens, discriminates whether or not an object is moving, and calculates a pursuit correction amount for a moving object on the basis of present and previous defocus amounts. When a non-moving object i
5502537 Focus adjustment device having predictive function March 26, 1996
A camera which provides accurate prediction of future field position accompanying the movement of a photographic subject. The future field position is predicted based upon focus detection results taken during a short time period and during a long time period relative to a predetermin
5422701 Focus detection apparatus June 6, 1995
A focus detection apparatus for, e.g., a camera, can perform focus detection of even a position separated from an optical axis of an exchangeable photographing lens in a direction perpendicular to the optical axis regardless of an exit pupil position of the photographing lens. A dete
5410383 Focus detecting device April 25, 1995
A focus detecting device comprises an image forming optical system, a device for detecting the defocus amount with respect to a predetermined plane of a plurality of images, formed by the image forming optical system, of fields corresponding to a plurality of detection areas which ar
5373342 Focus detection apparatus December 13, 1994
A focus detection apparatus which can precisely perform focus detection for phototaking lenses having various exit pupil positions even when a position separated from the optical axis of a phototaking lens is set as the center of a focus detection area.A pair of outputs are selected from
5258801 Focus detecting device November 2, 1993
A focus detecting device comprises an image forming optical system, a device for detecting the defocus amount with respect to a predetermined plane of a plurality of images, formed by the image forming optical system, of fields corresponding to a plurality of detection areas which ar
5245381 Apparatus for ordering to phototake with eye-detection September 14, 1993
A camera operation directing device includes an eye-gaze direction detection device for detecting a direction of an eye-gaze of an observer who is looking into a finder, in a predetermined eye-gaze operation area within the finder and for outputting an eye-gaze operation signal, and a
5239337 Apparatus for ordering to phototake with eye-detection August 24, 1993
A camera operation directing device includes an eye-gaze direction detection device for detecting a direction of an eye-gaze of an observer who is looking into a finder, in a predetermined eye-gaze operation area within the finder and for outputting an eye-gaze operation signal, and a
5231448 Photometric apparatus for a camera July 27, 1993
A photometric apparatus of a camera for carrying out a multi-segmented photometry by receiving object light reflected at a film or the shutter, includes a plurality of photometric elements which are disposed at positions to respectively receive reflected light from the film or the sh
5179407 Automatic focusing device January 12, 1993
An automatic focus device for a camera which comprises a phototaking lens for forming the image of an object on a predetermined plane, a focus detection device for detecting the amount of defocus of the image plane of the phototaking lens with respect to the predetermined plane, a lens
5155518 Focus detecting apparatus October 13, 1992
A focus detecting apparatus adapted to be used with a taking lenses having different focal lengths comprises a plurality of re-focusing lenses for refocusing an image of an object obtained through the taking lens as a plurality of identical second images, at least two of the re-focusing
5138357 Focus adjuster August 11, 1992
A focus adjustor performing highly accurate focus adjustment to suit the photographer's intention with respect to a great variety of objects to be photographed.The focus adjustor permits appropriate division of focus detection area, permits selection of an area division such as to reflec
5136325 Photometric apparatus August 4, 1992
In photometric apparatus, averaged brightness information, which counteracts the deleterious effects of a varying light source, such as a fluorescent lamp, is obtained much more rapidly than averaged brightness information obtained after a substantial number of cycles of operation of
5068682 Focus adjuster November 26, 1991
A focus adjustor performing highly accurate focus adjustment to suit the photographer's intention with respect to a great variety of objects to be photographed. The focus adjustor permits appropriate division of focus detection area, permits selection of an area division such as to refle
5029998 Focus state detecting device July 9, 1991
A focus state detecting device for a camera has plural areas for focus state detection for an object, and is capable of securing wide focus state detecting areas.The device has a pair of first photo-detector arrays arranged in a first direction and a pair of second photo-detector arrays
4634851 Control device for automatic focusing January 6, 1987
A control device for automatic focusing includes a low sharpness discriminating circuit for identifying a minimum contrast required for focus detecting function and a correlation zone discriminating circuit for determining whether an object is in or out of a correlation zone in the v
4469939 Distance measuring apparatus September 4, 1984
A distance measuring apparatus is provided with first and second imaging lenses for distance measurement for forming images of the same object, a first photoelectric device having a light-receiving surface for receiving the first image by the first imaging lens for distance measurement,
4422739 Auto focus camera December 27, 1983
In a camera including a photoelectric converter device disposed in the substantial imaging plane of a phototaking lens, a device for detecting the in-focus or the out-of-focus of the phototaking lens with respect to an object to be photographed from an output of said photoelectric co
4370551 Focus detecting device January 25, 1983
A focus detecting device has an objective lens, a pair of re-imaging lenses for receiving the light imaged by the objective lens to form a first and a second image, respectively, a pair of focus detecting photoelectric converters disposed near the focal planes of the pair of re-imaging
4368383 System for focus detection utilizing a photoelectric sensor array January 11, 1983
A light measuring device capable of amplifying the difference of the time-sequential pulse output signals from the photoelectric sensor array regardless of the magnitude of said pulse output signals, comprises optical system means; means comprising a photoelectric sensor array having
4340819 Photoelectric element array with automatic control of the charge storage time July 20, 1982
This specification discloses a photoelectric converter device in which the output of a charge storage type photoelectric element array is fed back to a circuit for driving the array to thereby automatically control the charge storage time.
4339665 Apparatus for detecting displacement of optical image July 13, 1982
Apparatus for detecting displacement of optical image is disclosed which comprises a photosensitive element array, a first circuit, a second circuit and a phase difference measuring circuit. The photosensitive element array is composed of a number of photosensitive elements disposed
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