Mitsubishi Denki Kabushiki Kaisha

Mitsubishi Electric Corporation

Ichiro Furuki

Keiki Yamada

Hiroshi Ito

Kohei Okahara

Tsukasa Fukasawa

Masatoshi Takahashi

Masahiko Shimizu

Tsuneo Sato

Takaaki Kase

Keiichi Fukazawa

Yohei Miki

Yoshiaki Odai

Akira Sakuta

Yoshifumi Yamamoto

Tomoyuki Takeshita

Akihito Ito

Yousuke Kobayashi

Kosuke Oda

Shiohiro Okinaka

Toshiharu Aiura

Kento Yamazaki

Nobuo Matsumura

Tatsuya Egawa

An image processing device includes a processor; and a memory to store the program which performs processing including: measuring a first texture amount indicating luminance variation in image regions, based on the image regions obtained by dividing the captured image and previously determining an image processing target region based on the first texture amount; judging whether the image processing on a current captured image is necessary based on luminance of the image processing target region in the current captured image; calculating a second texture amount indicating luminance variation in the image processing target region, and judging whether the image processing should be performed on the image processing target region or not based on the second texture amount; and performing the image processing on the image processing target region on which the judging based on the second texture amount is that the image processing should be performed.

Image processing device, image processing method, and storage medium storing image processing program

An image processing device includes: a reception unit that receives at least one first image provided from at least one first camera capturing an image of a region in which an object exists and a plurality of second images provided from a plurality of second cameras capturing images of a region including a dead region hidden by the object and invisible from a position of the first camera; and an image processing unit that generates a complementary image, as an image of a mask region in the at least one first image corresponding to the object, from the plurality of second images and generates a synthetic display image by combining the at least one first image and the complementary image.

Image processing device, image processing method, and monitoring system

An image processing device includes: a solid object extraction unit that divides each of a plurality of captured images into a foreground image part occupied by an existent object and a background image part; a background complementing unit that complements each background image part; a background image synthesis unit that generates a background bird's eye synthetic image by performing bird's eye transformation and combining together the background image parts after undergoing the bird's eye transformation; a solid object recognition unit that acquires posture information on the existent object; a solid object projection unit that acquires a three-dimensional virtual object by using the posture information; a three-dimensional space superimposition unit that generates a three-dimensional space image by superimposing the three-dimensional, virtual object on the background bird's eye synthetic image; and a display image output unit that outputs a bird's eye synthetic image generated based on the three-dimensional space image.

Image processing device, image processing method, and recording medium for generating bird's eye synthetic image

The present invention is provided with a boundary calculation unit () to calculate a boundary position () being a basis for dividing a common area into a side of the first imaging device () and a side of the second imaging device (), a selection unit () to select a bird's-eye view image wherein distortion in an image of a three-dimensional object is less as a selected image (), out of the first bird's-eye view image () and the second bird's-eye view image () based on the boundary position () and a position of the three-dimensional object, and an image generation unit () to generate an area image () based on an image other than the common area in the first bird's-eye view image (), an image other than the common area in the second bird's-eye view image (), and an image of the common area included in the selected image ().

Image processing device, image processing method and computer readable medium

A subject detecting unitcalculates a subject position on the basis of a subject region obtained by calculating the difference between an overhead image generated from an image for difference calculation stored in an image for difference calculation storage unitand an overhead image generated by an overhead image generating unit. A projection plane calculating unitforms a projection plane at the subject position, and a subject image generating unitprojects camera images of image taking devicestoonto the projection plane, and generates a subject image. A display image generating unitoutputs to a displayan image formed by synthesizing the subject image with the overhead images generated by the overhead image generating unit

Image processing device and image processing method

Speed fluctuations are decreased with a simple method even when a stepping motor () having comparatively large torque fluctuations is used. A drive pulse modulating unit () which modulates the frequency of a drive pulse to be inputted to the stepping motor () is provided. The drive pulse modulating unit () modulates the constant frequency of the drive pulse such that the frequency of the drive pulse within excitation-phase one cycle of the stepping motor () is: low for a period that is, by &#x215b; cycle of the excitation-phase one cycle, before an excitation phase where the vibration of the stepping motor is the maximum; and high in an excitation phase that is by &#xbd; cycle subsequent to the excitation phase where the drive pulse frequency is low.

Motor control device and printer device

A printed matter identifying device that identifies a printed matter printed by a predetermined printing apparatus and having on its surface at least two or more areas that are different in surface property to each other includes: an image reading unit that controls an external light source and camera so that reflected images displayed by the light source respectively on the areas of the surface of the printed matter are captured by the camera to acquire respective image information of the reflected images; an image processing unit that performs image-processing of the image information of the reflected images acquired by the image reading unit; and an image determination unit that uses a differential value between the image information of the reflected images obtained by the image-processing by the image processing unit, to determine whether or not the printed matter is a printed matter printed by the predetermined printing apparatus.

Printed matter identifying device and printed matter identifying system

A printing device provided with a conveyer roller pair for holding sheet paper drawn out from a recording paper roll to feed the sheet paper forward or backward. The device includes a feeding roller pair disposed between the recording paper roll and the conveyer roller pair for drawing out the recording paper and feeding it to the conveyer roller pair and a color recording unit disposed downstream of the conveyer roller pair in the direction of conveyance of the recording paper for recording a color image on the recording paper that is being moved backward. A guide unit with pivotable guide member is disposed between the feeding roller pair and the conveyer roller pair for bending and guides the recording paper in an arc-shape at an acute angle. A reservation space is provided outside of the arc-shaped recording paper guiding path for accommodating the sagged recording paper therein.

Printer for recording images on a recording paper and feeding the paper backwards

A blocking mask and an electrode coating are formed using a gold film. The blocking mask and the electrode coating are formed together by printing an organic gold paste only in a necessary part and baking the printed organic gold paste.

Liquid crystal shutter panel, an optical printer head and a method for manufacturing the liquid crystal shutter panel

The present invention aims to provide an image enhancement device of a thermal printer which can obtain a corrected image with high quality even if quantity of thermal storage to obtain recording density necessary for target gradation data is excessive or insufficient due to thermal history. The image enhancement device of the thermal printer according to the present invention includes: a thermal storage quantity computing unit for computing quantity of thermal storage which affects a heater element of a thermal head using past record; a thermal storage quantity memory unit for storing the quantity of thermal storage computed; a threshold value table having a threshold value which is determined based on input data; a thermal storage quantity discriminating unit for comparing the quantity of thermal storage with the threshold value of the threshold value table; and a correction quantity computing unit for computing correction quantity from the quantity of thermal storage according to comparison result, for obtaining subtraction correction data by subtracting the correction quantity from the input data when the quantity of thermal storage is greater than the threshold value, and for obtaining addition correction data by adding the correction quantity to the input data when the quantity of thermal storage is equal to or less than the threshold value.

Image enhancement device and image enhancement method of thermal printer

An object of the present invention is to provide a color image display apparatus which can easily display a full-color animation of VGA class and attains reduction in size and lowering of price and which facilitates full-color gradation control. In order to achieve the object, a color image display apparatus includes a shutter control circuit that slices color component data subjected to color separation in accordance with a slice level, a light source control circuit that controls a light source corresponding to the color component data, one or plural light sources a converting device that converts light from the light source to surface light source light, a shutter which makes light of a corresponding pixel pass therethrough and cuts off the light and which is made of liquid crystal as a main material, and a timing circuit that generates operation timings for the shutter control circuit and the light source control circuit, in which the shutter control circuit transfers one line of slice data to the shutter sequentially on a slice level basis, the light source control circuit turns on the light source corresponding to the source data, and the shutter makes the light from the light source, which corresponds to the slice data representing gradation of the pixel, pass therethrough and cuts off the light to display an image.

Color image display

An optical printing device for exposing a photosensitive recording medium to form a grayscale image includes a print head having n rows of recording elements capable of exposure of different colors and aligned in a direction of advancement of the photosensitive recording medium, where n is an integer more than 1, the n rows of recording elements being spaced substantially a multiple of L&#xd7;(m+k/n) apart in the direction of advancement of the photosensitive recording medium, where L denotes a distance between the centers of recording pixels according to the desired resolution of a recorded image, m is an integer of 1 or more, and k is an integer of 1 or more and less than n. The optical printing device also includes a head driver for driving the print head. Light from the print head is selectively exposed on the photosensitive recording medium to form the grayscale image.

Optical printing device

A liquid crystal control device can eliminate instability in a light quantity characteristic of a light source occurring when an operating mode of a liquid crystal shutter is changed, thus provide a stable exposure or display, and realize high-quality picture recording. To this end, a timing at which the light source is turned on by a light source controller is delayed with respect to a timing at which a liquid crystal is driven to operate by a liquid crystal driving section.

Liquid crystal control device to provide a uniform display or exposure on a display device

A transmissive color liquid crystal display including a first liquid crystal section, a light-guiding element, a second liquid crystal section, and first and second liquid crystal drivers. The first liquid crystal section presents color images. The light-guiding element is situated behind the first liquid crystal section for orienting rays toward the first liquid crystal display section. The second liquid crystal section includes a plurality of zones capable of transmitting wavelength bands of external rays, respectively. The zones are selectively activated for introducing colored external rays through respective zones to the light-guiding element. The first liquid crystal driver controls the first liquid crystal section. While color-component data extracted from full color image data is input into the first liquid crystal driver in a time-division manner, the first liquid crystal driver activates and deactivates pixels on the first liquid crystal section for presenting images on the first liquid crystal display on the basis of the color-component data in time division manner. The second liquid crystal driver selectively activates the zones in the second liquid crystal section in time division manner for introducing colored external rays of which wavelength bands correspond to the color-component data through the zone to the light-guiding element for irradiating the images on the first liquid crystal section with the colored external rays in time division manner.

Transmissive color liquid crystal display

In an optical printing apparatus with employment of a low-cost arrangement, a high image quality recording operation is realized. The optical printing apparatus is arranged by including: image data input device for inputting image data; image data correcting device for correcting the inputted image data in such a manner that a density fluctuation is deleted in correspondence with elements of a print head; reference level producing device for producing a reference level; comparing device for comparing multi-value data outputted from the image data correcting device with the reference level so as to convert the multi-value data into binary data; data transferring device for transferring the binary data outputted from the comparing device as head data to the print head; latch control device for latching data of the print data; and strobe control device for enabling the print head to expose the light therefrom; whereby the print head is driven in response to the output results of the data transferring device, the latch control device, and the strobe control device to thereby form the gradation image. As a result, this optical printing apparatus is capable of forming an image with uniform density in low cost, and furthermore, can correct fluctuations of the elements of the print head in high precision.

Growing community of inventors

Tokyo, Japan

Ichiro Furuki