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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Yamagata; Shigeo
Address:
Yokohama, JP
No. of patents:
24
Patents:












Patent Number Title Of Patent Date Issued
7940405 Image processing system for preventing forgery May 10, 2011
Conventionally, it is impossible to securely and efficiently implement the judgment of specific images. In order to solve this task, an image processing apparatus according to the present invention is characterized in including an input unit (in these embodiments, this corresponds to,
7446890 Image processing system for preventing forgery November 4, 2008
Conventionally, it is impossible to securely and efficiently implement the judgment of specific images. In order to solve this task, an image processing apparatus according to the present invention is characterized in including an input unit (in these embodiments, this corresponds to,
7095514 Image processing system for preventing forgery August 22, 2006
Conventionally, it is impossible to securely and efficiently implement the judgment of specific images. In order to solve this task, an image processing apparatus according to the present invention is characterized in including an input unit (in these embodiments, this corresponds to,
7072083 Image reading apparatus, and dimming control method and line sensor layout method therefor July 4, 2006
In an image reading apparatus for reading an original image using a light source containing a plurality of color components, a control pulse for dimming the light source is generated by pulse-width modulation symmetrically with respect to a reference timing (for example, the central
7054029 Image processing apparatus and method, and storage medium May 30, 2006
Upon synthesizing objects, information bits indicating the types of objects are lost. To solve this problem, this invention provides an image processing apparatus having discrimination means for discriminating a type of object to be rendered, determination means for determining the p
6714718 RECORDING AND REPRODUCING APPARATUS COMPRISING RECORDING MEANS FOR RECORDING INPUT IMAGE SIGNAL March 30, 2004
A recording and reproducing apparatus for reproducing an immediately preceding recorded image includes recording circuitry for recording an input image signal on a recording medium. Reproducing circuitry is provided for reproducing an image signal recorded on the median. Control circ
6714676 Image processing apparatus and image processing method March 30, 2004
An object of the invention is to effectively and accurately detect a characteristic of an image. In order to achieve the object, the invention comprises a calculating means for calculating an isolated amount of a pixel value in each of plural areas respectively having different sizes,
6668100 Image processing method and device December 23, 2003
An image processing device and method for convert multi-value image data having light and dark information per pixel into binary data for pseudo half-tone representation. A binarization results delay unit holds binarized data near the pixel of interest obtained by a binarizing unit, a
6661545 Image reading apparatus, and dimming control method and line sensor layout method therefor December 9, 2003
In an image reading apparatus for reading an original image using a light source containing a plurality of color components, a control pulse for dimming the light source is generated by pulse-width modulation symmetrically with respect to a reference timing (for example, the central
6476793 User interactive copy processing for selective color conversion or adjustment without gradation November 5, 2002
A more-natural-looking video is reproduced and a video data having a desired color tone is formed by preserving the tone of a video as an original in color conversion at a desired ratio. To this end, a criterion color register stores color information (hue, chroma and density) for de
6351287 Apparatus for recording, reproducing or erasing February 26, 2002
In a recording or reproducing apparatus that performs an operation in a recording, reproduction, or erasing mode with respect to each memory block in memory, a check level for the apparatus power supply is changed according to a set one of the recording, reproducing, and erasing modes.
6272282 Recording/reproducing apparatus having means for reproducing signals from a recording block reco August 7, 2001
A recording and reproducing apparatus includes a memory unit for memorizing information to identify a recording block that was recorded immediately before, and a control unit for referring to the memory unit (upon switching from a recording mode to a reproducing mode) to reproduce a
6226397 Image processing using different image sizes depending on whether the processing is color or mon May 1, 2001
An image processor includes spatial filters which execute parallel processing in units of component data of image data made up of a plurality of component data, and an original image color determination unit selects if input image data from a color image input unit is to be processed as
6052510 Apparatus for recording, reproduction or erasing April 18, 2000
A recorder is disclosed, in which recording is effected while retrieving non-recorded blocks of a disk-like recording medium, and which is provided with means for such control that when no non-recorded block is detected in a predetermined direction as a result of check performed in respo
6014279 Erasing device having a plurality of erasing modes January 11, 2000
An erasing device includes a first erasing mode for erasing the signal of an area of a recording medium, and a second erasing mode for erasing the signal of designated plural areas. The erasing operation in the first or second erasing mode is rendered possible as long as a necessary powe
5987166 Image processing apparatus capable of marker editing original image November 16, 1999
It is an object to provide an image processing apparatus which can obtain an image reproduction that accurately corresponds to an original color when an ordinary color original is read and which can obtain an accurate marker edition result when a marker original is read. When a color
5974171 Image processing apparatus and method October 26, 1999
An image processing apparatus prevents the misdetermination of a read color and allows correct marker edition. A marker registration circuit reads and register color data marked by a predetermined color marker and a color determination circuit compares the color data registered and the r
5867627 Recording and/or reproducing apparatus February 2, 1999
Apparatus and method for recording and/or reproducing an image frame in plural blocks utilizes a memory for storing an image signal for one field. The image signal for one field is then divided into n blocks by reading the image signal from the memory n times where n is an integer equal
5825940 Image processing method and apparatus for binary-coding multivalue image data October 20, 1998
An object of the present invention is to provide an image processing apparatus capable of, at high speed, forming a half tone image exhibiting excellent linearity and gradation expressing characteristics while requiring only a simple structure. The image processing apparatus includin
5805738 Image processing apparatus and method September 8, 1998
Upon gradation converting input m-bit image information into n-bit image information (m and n are integers; m>n), random numbers, the maximum values of which are changed in accordance with the input values of the m-bit image information, are generated at periods of two or more pixels,
5719957 Image forming apparatus which adds identifying information to images February 17, 1998
In an image forming apparatus for forming a binarized image upon adding on additional information without degrading image quality, a mode signal assumes an "H" or "L" level. When the mode signal is at the "H" level, a pattern in which a binarized output attains the "H" level for two
5473375 Electronic still video camera wherein a pre-exposure period is utilized to generate control sign December 5, 1995
An electronic still video camera wherein a pre-exposure period is utilized to generate control signals to control both exposure and color balance includes a photoelectric converter for producing an electrical signal corresponding to a received image. Exposure structure is provided for
5305106 Image signal reproducing apparatus having a synchronizing signal generator April 19, 1994
An image signal reproducing apparatus includes a synchronizing signal generator which is configured so as to count the number of clocks of a generated clock signal, generate various kinds of timing signals in accordance with the result of count, compare the phase of the generated tim
5255077 White balance control based upon magnitude of flicker October 19, 1993
Method and apparatus for effecting white balance control in which an image pickup apparatus converts image light into an electrical signal using an image pickup element, and outputs a plurality of color signals corresponding to received light. A still image recorder records the color










 
 
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