Olympus Optical Company, Ltd.

Matsushita Electric Industrial Co., Ltd.

Riso Kagaku Corporation

Panasonic Corporation

Panasonic Intellectual Property Management Co., Ltd.

Masahiro Kawashima

Takaaki Gyoten

Nobuaki Akui

Yoshio Tashiro

Yasuhiro Ueda

Koji Kambara

Tsuruo Hatori

Kunio Ohno

Kazuyasu Yamamoto

Takeaki Nakamura

Takeshi Yokoi

Masaaki Hayashi

Kenji Fujiune

Yukio Nakajima

Akio Nakada

Katsuo Saigo

Akihiro Takeuchi

Hiroyuki Ikeda

Shinichi Nishigaki

Yoshiyuki Okada

Shuichi Takayama

Koichi Matsui

Syunsuke Kimura

Hiroshi Miyai

Tatsuya Yamaguchi

Michio Sato

Kenji Shimomura

Akira Takano

Toshiaki Nishikori

Masanobu Inoe

Yuzo Seo

Junichi Hakamada

Toshihiro Miyoshi

Akibumi Ishikawa

Kiyotaka Matsuno

Hitoshi Noda

Nobuhiko Washizuka

Yutaka Tsutsumi

Hisakazu Hitomi

Hideyuki Ikuhara

Tetsuo Kutsuki

Masanobu Tanaka

Youji Arita

Mitsuharu Shiokawa

Tsutomu Nishida

Masakazu Ogasawara

Takeshi Kuriwada

Christopher Parker

Stuart M Greengrass

Kenichiro Sanagai

Nobuyuki Funakoshi

Tohru Shimizu

An image processing apparatus is equipped with: an image data receiving unit that receives image data; and a print data generating unit that generates multiple value data as print data by performing a halftone process on the image data and converting the image data into at least three values. The print data generating unit administers a halftone process that includes a density fluctuation suppressing process that results in the print data always including a zero value except for a case in which all of the pixels that constitute the image data are converted into a maximum value.

Image processing apparatus

A display device includes a display part, a storage stores original image data of an original image, a detector detects a touch operation being performed on a screen of the display part, and outputs touch position information indicating a touch position, and a controller displays a base image by resizing the original image according to a display resolution of the display part on the display part. When the touch operation is detected, the controller determines an enlargement target area that is a part of area on the base image including a position corresponding to the touch position, resizes and cuts an area on the original image to generate a partial enlarged image in which the enlargement target area is enlarged, the area corresponding to the enlarged target area, and display the base image and the partial enlarged image which is displayed over a part of the base image.

Display device

An image processing device performs image processing on image data obtained by receiving light emitted from a light source and then reflected from an object to be read with a light receiving element. The image processing device includes a determination unit configured to determine whether or not a color of each pixel in the image data belongs to a predetermined correction target color range and a correction unit configured to perform correction to reduce the density of a pixel of the color belonging to the correction target color range.

Image processing device and image processing method

A color conversion device generates color data in a second color gamut based on first converted color data and input color data, which are obtained from input color data in a first color gamut, and outputs the color data in the second color gamut. The color conversion device includes a first color mapping unit which generates the first converted color data by mapping the input color data into the second color gamut; a color mixing unit which generates color data by mixing the first converted color data and second converted color data at a ratio corresponding to the first color gamut and the second color gamut; and a color data output unit which outputs the color data.

Color conversion device, color conversion table and color conversion method

An input of image data is received, and information of width and/or thickness of a recording medium, which receives an image representing the image data to be recorded thereon, is received. Then, a preset pressing pressure value, which is used when the image is recorded on the recording medium, is obtained based on the information of width and/or thickness, and information of image density in the reference area, which is a part of the image data, is obtained. Then, converted image density information is obtained by converting the information of image density in the reference area based on the pressing pressure value and the information of image density, and image data is generated according to the thus obtained converted image density information.

Image data generation method and device, and stencil printing apparatus, with density conversion based on pressing pressure based on recording medium width or thickness

A histogram preparer reads image data scanned from an original sheet by the line, preparing a histogram of pixel numbers of respective background densities of a read line, a background density estimator estimates a background density of the read line as a density at a local maximal value in view of a highlight end of the histogram, a background removal reference value setter sets up a background removal reference value as a reference margin based on a pixel number normalized on the estimated background density, a background removal threshold determiner increments the estimated background density by the background removal reference value to set a provisional background removal threshold of the read line, and determines a background removal threshold of the read line as a weighting combination of the provisional background removal threshold and a background removal threshold of a previous line, and a background remover removes a background of the read line based on the determined background removal threshold.

Image processing using background estimation and removal

A color image processing apparatus performs color image display using a red display, green display, blue display and white display. The apparatus includes a white signal generation circuit generating a white signal W based on an input red signal Rfor the red display, an input green signal Gfor the green display, and an input blue signal Bfor the blue display, a yellow signal generation circuit generating a yellow signal Ye, based on the input red signal R, the input green signal G, and the generated white signal W, and a first output white signal generation circuit generating a first output white signal Wfor the white display, based on the generated white signal W and the generated yellow signal Ye.

Color image processing apparatus, color image processing method, program and recording medium

An APL detection unit detects the APL for each unit field time period of an input video signal, and a light source control data production unit produces, depending on the results of the APL detection, a light source control signal at a minimum level which can stably drive a light source when the APL is 0% up to a predetermined value A1, a light source control signal at a maximum level which can stably drive the light source when the APL is a predetermined value A2 up to 100%, and a light source control signal which dynamically varies depending on the APL when the APL is between the predetermined value A1 and the predetermined value A2, to drive the light source on the basis of the light source control signal. As a result, it is possible to mitigate the lack of a contrast feeling and the occurrence of a floating blackness, as well as to improve the reliability of the light source.

Video display apparatus and video display method

A method and device for forming a magnetic pattern in a magnetic recording medium, a magnetic recording medium formed thereby and a magnetic recording device that includes a magnetic recording medium formed by this method and/or device. The magnetic recording medium has a magnetic layer, a protective layer, and a lubricant layer formed on a substrate in this order, and the magnetic pattern is formed by locally heating the magnetic layer and applying an external magnetic field to the magnetic layer.

METHOD FOR FORMING A MAGNETIC PATTERN IN A MAGNETIC RECORDING MEDIUM, METHOD FOR PRODUCING A MAGNETIC RECORDING MEDIUM, MAGNETIC PATTERN FORMING DEVICE, MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING DEVICE

A projector that can be easily set up and adjusted is disclosed. In accordance with a projection condition inputted into a microcomputer via a remote-controller, the microcomputer selects an optimum projection lens by referring to correlation data showing a relation among a projection lens, a projection display size, and an optimum projection distance. The microcomputer has a screen to indicate an optimum projection lens and projection distance that satisfy the inputted projection condition. The microcomputer calculates the amounts of zoom and focus adjustments to be made to the projection lens with reference to the correlation data so as to attain the projection display size and the microcomputer automatically drives the projection lens via a zoom driving unit and a focus driving unit.

Projector comprising a microcomputer for controlling zoom and focus adjustments utilizing pattern generation and calculation means

A projector 100 projects an image onto a screen 200 by having light from a light source 111 pass through light valves 108&tilde;110 corresponding to RGB colors and a projection lens 101. A special pattern is displayed on the light valves 108&tilde;110 so that an image of the special pattern is projected onto the screen 200. The projector includes a half mirror 112 that directs light, which has been reflected back off this image on the screen 200 and back through the light valves 108&tilde;110, toward the collective lens 113, and a light detecting element 114 for detecting the intensity of the light collected by the collective lens 113. Based on the detected intensity, the microcomputer 116 automatically adjusts the projection parameters of the projector 100.

Projector that automatically adjusts the projection parameters

A control means individually turns each switching means on or off so that a current has a waveform which is approximate to a parabolic waveform and is appropriate for focusing current flows in a focusing coil, synchronizing with a horizontal sweep. When the focusing current increases, energy is transferred from the power source to the focusing coil. When the focusing current decreases, energy is returned from the focusing coil to the power source by a flywheel current. Thus, the focusing current is supplied with less consumption.

CRT focusing circuit with individually controlled switches developing an

A dynamic focusing device for cathode ray tubes comprising a crosshatch pattern generator for providing a surface of cathode ray tubes with a crosshatch pattern indicating an adjustment point at which focusing control is carried out. The system uses correction data to achieve proper focus at each adjustment point, i.e., the intersection of the vertical and horizontal lines of the crosshatch pattern defined by arbitrarily divided blocks on the surface of the cathode ray tube. The data between adjacent adjustment points is interpolated in the vertical and horizontal directions to supply an output signal providing proper dynamic focus of the cathode ray tube. The disclosed device produces proper focus uniformity and is able to produce a high definition television image on direct-view devices or projection systems which utilize cathode ray tubes.

Dynamic focusing device for cathode ray tube

In a focus circuit for cathode-ray tube (40) of electromagnetic focusing type, a DC voltage (B4) which is made by dividing CRT anode voltage (B3) by a voltage dividing circuit (27) is compared with a reference voltage (B6) by an anode voltage variation component detection circuit (29), thereby to output therefrom a signal (Ve) of anode voltage variation component. This signal (Ve) and static focus adjusting DC voltage (B7) are summed and amplified by an output amplifier 30, which issues a current for correcting focus to electromagnetic focusing coil (31).

Focus circuit

An apparatus for blocking a vein branch is provided with an outer tube having a tubular passage opened at its distal and proximal ends and a bent distal end portion, an inner tube slidably inserted in the outer tube so as to be projected and retracted from the opening formed in the distal end portion of the outer tube and having a storing portion filled with a vein-branch blocking member, and a push-out member for pushing out the blocking member in the vein branch.

Apparatus for blocking a vein branch and method of blocking a vein branch

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Ibaraki, Japan

Masahiro Kawashima