Showing papers on "Image conversion published in 2000"
Patent•
05 Jul 2000
TL;DR: In this article, the authors proposed a data processing device which restricts sensitive influences on contents, while being capable of increasing the durability of watermarking information to accurately extract, and a data controlling system which can ensure the secrecy in the watermark information to effectively perform the maintenance and control.
Abstract: PROBLEM TO BE SOLVED: To provide a data processing device which restricts sensitive influences on contents, while being capable of increasing the durability of watermarking information to accurately extract, and a data controlling system which can ensure the secrecy in the watermarking information to effectively perform the maintenance and control. SOLUTION: A data processing device 10 comprises: an input part 1 for inputting digital data; an image conversion part 2 for converting forms of the digital data; and a watermarking embedding part 3 for inserting watermarking information into the digital data of the converted form. The optimal watermarking information is fed in correspondence to a characteristic of the digital data. In a data controlling system which is constituted by the data processing device 10 and a controller 20 for information which provides a system for inserting the watermarking information, heterogeneous digital data (watermarking information) is embedded in correspondence to characteristics of an image such as character image, photograph image, net point image, or the like, so that the image quality is maintained, while a great amount of digital data can be embedded, and key information is controlled for maintenance, so that the secrecy of the embedded digital data can be ensured.
33 citations
Patent•
22 Sep 2000
TL;DR: An image conversion device for a vehicle rearward-monitoring device, which converts using a conversion table the rearward image of a vehicle, photographed by a camera mounted on the vehicle, into an output image obtained as if by photographing the rear view at a preset inclination from a virtual camera position different from a real camera-mounted position, and displays the output image on a monitor as discussed by the authors.
Abstract: An image conversion device for a vehicle rearward-monitoring device, which converts using a conversion table the rearward image of a vehicle, photographed by a camera mounted on the vehicle for photographing the rearward view of the vehicle, into an output image obtained as if by photographing the rear view at a preset inclination from a virtual camera position different from a real camera-mounted position, and displays the output image on a monitor (4). In addition, a steering start guide-line, a steering distance guide mark, a vehicle-width guide-line and a vehicle path guide-line may be superposed on this output image for displaying on the monitor (4).
28 citations
Patent•
23 Jun 2000TL;DR: In this article, the system has an image signal converting section 10 that is provided with an input change-over switch section 12 which takes in the frame image of an image to be displayed based on input image signals and input synchronization signals.
Abstract: PROBLEM TO BE SOLVED: To prevent deterioration in picture quality as far as possible. SOLUTION: The system has an image signal converting section 10 that is provided with an input change-over switch section 12 which takes in the frame image of an image to be displayed based on input image signals and input synchronization signals, input frame memories 131 to 13m which record the frame image taken in by the section 12, a black raster image generating section 14 which generates a black raster image, an image conversion processing section 15 which generates an interpolation image or insert the black raster image between frame images corresponding to image information based on the image information, the input synchronization signals and output synchronization signals or generates an output frame image from the input frame image recorded in the input frame memories by thinning out the frame images, output frame memories 171 to 17n which record the output frame images and an output control switch section 18 which takes out the output image signals and the output synchronization signals from the output frame image recorded in the output frame memories and transmits the signals to a display device 50. COPYRIGHT: (C)2002,JPO
21 citations
Patent•
07 Dec 2000TL;DR: In this paper, a color imaging system is provided that captures an image in a color format that comprises a plurality of chromatic intensity values, detects whether the image is substantially achromatic (i.e., gray-scale or black-and-white), and renders the chromatic values as grayscale luminance or black and white values.
Abstract: A color imaging system is provided that captures an image in a color format that comprises a plurality of chromatic intensity values, detects whether the image is substantially achromatic (i.e., gray-scale or black and white), and renders the chromatic intensity values as grayscale luminance or black and white values. A color imager comprising an array of color photocells captures the image. An image processor is provided with a white balance circuit, a gray-scale image detection circuit, and an image conversion circuit. The white balance circuit adjusts the chromatic values to correct for non-ideal sources of white light illumination. The gray-scale image detection circuit detects whether the image is substantially achromatic. The image conversion circuit renders the image as a gray-scale or black-and-white image, as the circumstances dictate.
19 citations
Patent•
09 Jun 2000
TL;DR: In this paper, an image conversion device that converts a color image, expressed in colors into a monochromatic image so as not to lose easy-to-view performance is presented.
Abstract: PROBLEM TO BE SOLVED: To provide an image conversion device that converts a color image, expressed in colors into a monochromatic image so as not to lose easy-to-view performance. SOLUTION: A scanner reads a multi-color print original and a computer receives an image (S1). Colors used in the received image are discriminated (S2). The gray scale after conversion is decided, depending on the color information used in the image (S3). The received color image is converted into a monochromatic image with the decided gray scale (S4), and a display device displays (outputs) the image after the conversion (S5).
17 citations
Patent•
06 Nov 2000
TL;DR: In this paper, the variation dP of the camera pitch angle from picked-up lane marks is automatically detected and adjusted to adjust a converted image by automatically detecting the variation of camera pitch angles from picked up lane marks.
Abstract: PROBLEM TO BE SOLVED: To automatically detect the variation of a camera pitch angle from picked-up lane marks and automatically adjust a converted image. SOLUTION: The image pickup and image conversion device loaded in a vehicle and fixed on a point C of height (h) and capable of picking up the image of a road surface on the back of the vehicle from a camera and converting the picked up image into a bird's-eye image detects lane marks to be parallel lines and judges whether the lane marks are parallel lines or not. When the lane marks are not parallel lines, the variation dP of the camera pitch angle Pc is obtained from width Wi1 on a position most close to the vehicle in the bird's eye image, width Wi2 on a position most far from the vehicle and an angle P in the vertical direction of the camera in an area to be converted into the bird's-eye image and Pc+dP is substituted for the camera pitch angle to prepare a bird's-eye image again.
17 citations
Patent•
17 Apr 2000
TL;DR: In this paper, the problem of providing a printed material easy to see for a dyschromatopsia congenita person is addressed by using a conversion mode receiving section 58 that receives various conversion modes including a borderline emphasizing mode for adding a borderline at a changing section of colors in an image designated by image data 76, a pattern conversion mode for changing a pattern in a pattern region in the image which is hard to recognize for dyschromata congenita persons and the like.
Abstract: PROBLEM TO BE SOLVED: To provide a printed material easy to see for a dyschromatopsia congenita person SOLUTION: This printer or system comprises a conversion mode receiving section 58 that receives various conversion modes including a borderline emphasizing mode for adding a borderline at a changing section of colors in an image designated by image data 76, a pattern conversion mode for changing a pattern in a pattern region in the image which is hard to recognize for a dyschromatopsia congenita person and the like The printer or the system further comprises an image conversion section 65 that converts the image data stored in a journal file 61 so as to make the image designated by the image data to be a clear image easy to see corresponding to the conversion mode received by the conversion mode receiving section 58 and stores the converted image into the journal file 61
15 citations
01 May 2000
TL;DR: In this paper, a depth creation by stereo perception (DCP) method is proposed to create more natural and impressive 3D images than ever from input 2D images by their stereo perceptual information, which includes horizontal motion, color, contrast, sharpness, and composition.
Abstract: We propose a "Depth Creation by stereo Perception (DCP) " method that creates more natural and impressive 3D images than ever from input 2D images by their stereo perceptual information, which includes horizontal motion, color, contrast, sharpness, and composition. We also propose a "Linear Depth Control (LDC) " method that controls the binocular parallax of the created 3D images by their image depth position in order to improve the 3D effect of the converted images. And the real-time 2D-to-3D image conversion unit implemented these new methods realizes more natural 3D images corresponding to various 3D displays from 2D images of any types and scenes.
14 citations
Patent•
10 Oct 2000
TL;DR: In this paper, an image converter is provided with a direction selection section 22 that selects a direction in which a pixel group forming a contour component among directions in which pixel groups including a prescribed pixel are arranged and with an averaging section 24, that averages pixel values of the pixel group arranged in the selected direction.
Abstract: PROBLEM TO BE SOLVED: To provide an image converter that applies special effects onto a natural image so as to allow the natural image to more effectively and quickly have a picture-like tone. SOLUTION: The image converter 10 is provided with a direction selection section 22, that selects a direction in which a pixel group forming a contour component among directions in which pixel groups including a prescribed pixel are arranged and with an averaging section 24, that averages pixel values of the pixel group arranged in the selected direction. The image converter 10 is also provided with a darkness degree emphasis section 28 that further lowers the pixel values of pixels, having low pixel values lower than those of the surrounding pixels in the image.
11 citations
Patent•
11 Apr 2000
TL;DR: In this article, a linear image conversion and weight difference processing (LICA) method was proposed to eliminate the crosstalk caused in a stereoscopic vision by both eyes by applying gradation processing to images for left and right eyes and using images resulting from a weighted difference of the images for both eyes for respective stereo images.
Abstract: PROBLEM TO BE SOLVED: To realize an image processing method or an image processing system with which a crosstalk caused in a stereoscopic vision by both eyes eliminated or reduced y applying gradation processing to images for left and right eyes and using images resulting from a weighted difference of the images for left and right eyes for respective stereoscopic images. SOLUTION: The image processing method or the image processing system employs a linear image conversion and weight difference processing sections that display images R', L' on a stereoscopic image display screen, which images are obtained by substituting images R, L to an expression R'=(R-aL)÷(1-a2) as a right eye image and an expression L'=(L-aR)÷(1-a2) as a left eye image, wherein R, L are images subjected to linear gradation conversion under the conditions of a<=R<=1 and a<=L<=1 and 'a' is the minimum luminance of the images R, L.
11 citations
Patent•
10 Mar 2000
TL;DR: In this paper, the spectral distribution of the lighting light is estimated, and a database is used to identify and utilize lighting light at photographing, so as to convert image data obtained by photographing under the same lighting and the same image pickup system into other image data.
Abstract: PROBLEM TO BE SOLVED: To provide a method and device that can convert the data of an image photographed by a digital camera under the same lighting through the estimation of a spectral characteristic of the lighting light and grasping information of a color reproduction characteristic, with respect to the lighting light at photographing into other image data especially being CIEXYZ image data or the like, while maintaining colorimetric information and while taking the color reproduction characteristic of various display and output devices into account and can acquire also image data for display and output, and to provide an information recording medium for its program. SOLUTION: Image data resulting from picking up a color chart attached standard board are analyzed, the spectral distribution of the lighting light is estimated, a database is used to identify and utilize the lighting light at photographing, so as to convert image data obtained by photographing under the same lighting and the same image pickup system into other image data.
Patent•
IBM1
TL;DR: In this article, a step-shaped or chain-shaped oblique line is reduced to reduce deformation or disappearance of a formation line of font or a graphic, and the input image data are converted into rational number magnification or integral number magnification image data.
Abstract: PROBLEM TO BE SOLVED: To obtain a clear enlarged image by reducing a step-shaped or chain- shaped oblique line, and reducing deformation or disappearance of a formation line of font or a graphic. SOLUTION: In this image conversion method, inputted original image data are converted into rational number magnification or integral number magnification image data. The method includes a vertical/horizontal direction interpolation part 12 for weakening correlation in the vertical and horizontal directions of an image, and generating first enlarged image data, relative to the image obtained by linearly enlarging in the vertical and horizontal directions the original image data inputted from an original image data input part 11; an oblique direction interpolation part 15 for generating second enlarged image data by linear interpolation, using near pixels based on correlation with the near pixels in the oblique direction, relative to processing object pixels forming the original image data inputted from the original image data input part 11; and a final result generation part 18 for generating a result image from the generated first enlarged image data and the second enlarged image.
Patent•
10 Nov 2000
TL;DR: In this article, the problem of a conventional image correction device that has had difficulty in keeping a color characteristic of an object constant when a photographing condition is changed was solved by applying a color correction matrix introduced on the basis of the 3-stimulus data as to the color chart included in the object.
Abstract: PROBLEM TO BE SOLVED: To overcome the problem of a conventional image correction device that has had difficulty in keeping a color characteristic of an object constant when a photographing condition is changed. SOLUTION: An image input means 1 photographs an image of an object including a color chart, an image inverse conversion means 5 inversely converts digital image data of the object into 3-stimulus data, a color correction matrix application means 6 applies a color correction matrix introduced on the basis of the 3-stimulus data as to the color chart included in the object and the 3-stimulus data of the color chart in a standard state to the 3-stimulus data derived through inverse conversion and an image conversion means 7 converts the 3-stimulus data to which the color correction matrix is applied into digital image data.
Patent•
KDDI1
TL;DR: In this article, a shadow viewer of received medical images is proposed to display the images convenient for a receiver of the image diagnosis request, which can be used to find out a specific request and also select the study for the next patient.
Abstract: PROBLEM TO BE SOLVED: To provide an image transmitter, having a data structure suitable for receiving the image diagnosis requests and also to provide a shadow viewer of received images, which can display the images convenient for a receiver of the image diagnosis request. SOLUTION: An image conversion part 3 for an encoding transmitter 1 divides medical image data of CT, MRI, etc., into areas and also outputs a file that is produced through the hierarchical encoding. A request file production part 4 produces a request file serving as a higher rank hierarchy of hierarchical structure for DICOM regarding the image data. A viewer program execution part 14 of a viewer terminal 11 accesses the encoded image file stored in a local HD 13 and a request file, and shows a request file selection screen at a display part 15. Thus, a physician who receives diagnostic request can readily find out a specific request, that includes the requested study and also can readily select the study for the next patient.
Patent•
14 Dec 2000
TL;DR: In this paper, a gas phase laying-up method was used to construct a columnar columnar crystal of the columnar crystals of the phosphors and a line sensor was placed on the side of the convex ends approximately on an extension line of the orientational direction to receive the stimulable luminescent light.
Abstract: PROBLEM TO BE SOLVED: To provide a radiation image conversion panel where the light- condensing efficiency for stimulable luminescent light is improved and a method of reading radiation image information which is high-speed and highly sensitive and makes it possible to obtain radiation images of high picture quality. SOLUTION: This radiation image conversion panel has a phosphor layer formed on a support by a gas phase laying-up method and is characterized in that the phosphor layer consists of column crystals of phosphors which are oriented unidirectionally and the one ends of individual columnar crystals are shaped convexly. This method for reading radiation image information is characterized in that the panel is irradiated with excitation light in a direction approximately parallel to the orientational direction of the columnar crystals of the phosphors of the panel and a line sensor is located on the side of the convex ends approximately on an extension line of the orientational direction to receive the stimulable luminescent light.
TL;DR: In this article, a new high-quality video-format-conversion IC for consumer applications is introduced, which uses motion estimation and motion compensation to prevent jitter resulting from picture-rate conversion, and aliasing due to de-interlacing in sequences with motion.
Abstract: High-quality video-format converters apply motion estimation and motion compensation to prevent jitter resulting from picture-rate conversion, and aliasing due to de-interlacing, in sequences with motion. Although initially considered as too expensive, high-quality conversion is now economically feasible, and since 1995 has been available in consumer television ICs. This paper addresses the issues in format conversion and shows recent progress, introducing a new high-quality video-format-conversion IC for consumer applications.
10 Jul 2000
TL;DR: This work proposes a "Depth Creation by stereo Perception" method that creates more natural and impressive 3D images than ever from input 2D images by their stereo perceptual information, which includes horizontal motion, color, contrast, sharpness, and composition.
TL;DR: In this paper, a new method for the spatial image interpolation is proposed, which interpolates the low and high-pass filtered images in separate channels so that it can not only recreate the stationary region naturally but also preserve the edges clearly.
Abstract: Proposed is a new method for the spatial image interpolation. The proposed method interpolates the low- and high-pass filtered images in separate channels so that it can not only recreate the stationary region naturally but also preserve the edges clearly. It can be used for the image format conversion.
Patent•
29 Sep 2000
TL;DR: In this paper, an image processor is provided with an area sensor 6 that reads image information from a negative film, an area extract section 23 that extracts the face of a human body as a specific area from the image information, a histogram generating section 24 that obtains a density histogram from image information and a lookup tale generating section 26 that generates a smoothing lookup table for smoothing the density histograms.
Abstract: PROBLEM TO BE SOLVED: To provide a technology by which gradation of a specific area in an image such as a major object is made proper while utilizing an advantage of density histogram smoothing. SOLUTION: This image processor is provided with an area sensor 6 that reads image information from a negative film, an area extract section 23 that extracts the face of a human body as a specific area from the image information, a histogram generating section 24 that obtains a density histogram from the image information, a lookup tale generating section 26 that generates a smoothing lookup table for smoothing the density histogram, and an image conversion processing section 28 that uses the smoothing lookup table to convert the read image information. Then the image conversion processing is conducted by utilizing advantages of smoothing while keeping the gradation of the face so that a conversion coefficient of the specific area is 1 to 1 in the case of generating the lookup table.
Patent•
01 Feb 2000
TL;DR: In this paper, an apparatus and method for magnifying a dynamic range of an image while improving a contrast of the image is described, and a bias calculator determines a threshold value for dividing into low and high illuminance levels on the basis of a histogram output by the histogram calculator.
Abstract: An apparatus and method for magnifying a dynamic range of an image while improving a contrast of an image are provided. A histogram calculator receives a digital image signal and calculates histograms depending on the illuminance distribution of an image. A histogram accumulator receives a histogram output by the histogram calculator, obtains an accumulative density function by integrating the input histogram up to each illuminance level and normalizes the accumulative density function, and generates an initial conversion function. A bias calculator determines a threshold value for dividing into a low illuminance level and a high illuminance level on the basis of a histogram output by the histogram calculator, and obtains a histogram compensation function for applying a negative bias to a histogram around the threshold value. A converter converts a digital image signal input with a predetermined delay time, according to an image conversion function obtained by applying the histogram compensation function to the initial conversion function. A digital-to-analog (D/A) converter converts a digital image signal converted by the converter into an analog image signal. Accordingly, the entire contrast of an image is improved, and simultaneously, the dynamic range thereof is magnified.
Patent•
07 Apr 2000
TL;DR: In this paper, the authors proposed a method to reduce deterioration in image quality caused by a magnification of conversion used for converting number of pixels of an image, where the entered magnification is a multiple of 1/n (100) or a value around a multiple-of-n (1/n).
Abstract: PROBLEM TO BE SOLVED: To reduce deterioration in image quality caused by a magnification of conversion used for converting number of pixels of an image. SOLUTION: An image of an original is read (200), an entry section enters a magnification/reduction rate to the read image of the original (202). In the case that the entered magnification is a multiple of 1/n (100) or a value around a multiple of 1/n, cubic spline interpolation (212) resulting from shifting a prescribed number of pixels in place of conventional cubic spline interpolation (206) is applied to the image.
Patent•
NEC1
TL;DR: In this paper, a three-dimensional image conversion part 101 which converts aerial photographs A and B of one area taken at different points into 3D image data, a 3D advertisement information database 105 which stores unit records of advertisement information added to the 3D images, a timer part 104 which manages the current date and time, and a 3-D image composition part 102 which takes advertisement contents whose publication period includes the current day and time by referring to the database 105, adds them to the threedimensional image data and outputs their composite 3D data.
Abstract: PROBLEM TO BE SOLVED: To provide an information providing server, a client, a processing method for an information providing system, a recording medium in which a program is recorded and an advertisement providing method, by which a free-of-charge three-dimensional aerial sightseeing is realized by publishing advertisement information. SOLUTION: This invention is provided with a three-dimensional image conversion part 101 which converts aerial photographs A and B of one area taken at different points into three-dimensional image data, a three-dimensional advertisement information database 105 which stores unit records of advertisement information added to the three-dimensional image data, a timer part 104 which manages the current date and time, a three-dimensional image composition part 102 which takes advertisement contents whose publication period includes the current date and time by referring to the database 105, adds them to the three-dimensional image data, and outputs their composite three-dimensional image data, and a three-dimensional image browser 103 which receives the composite three-dimensional image data, presents three-dimensional image solid representation according to viewpoint position information from a user, and generates three-dimensional solid representation from a new viewpoint point again and presents it when the new viewpoint position is specified.
Patent•
07 Nov 2000
TL;DR: In this article, a line sensor consisting of a CCD element having many light receiving parts 35 which are two-dimensionally arranged along the main scanning X direction as a whole is relatively transferred in the sub-scanning Y direction to be crossed with the main scan X direction to a radiation image conversion panel 10.
Abstract: PROBLEM TO BE SOLVED: To enhance S/N (signal to noise) of an image signal indicating a radiation image without lowering resolution in the case of indicating the radiation image in a radiological image reader. SOLUTION: A line sensor 30 consisting of a CCD element 32 having many light receiving parts 35 which are two-dimensionally arranged along the main scanning X direction as a whole is relatively transferred in the sub-scanning Y direction to be crossed with the main scanning X direction to a radiation image conversion panel 10. At this state, a stimulating light beam generated from the radiation image conversion panel 10 by irradiation of a linear stimulating light beam Le extending in the main scanning X direction is received by a plurality of light receiving parts 35A to 35E. Each electric charge received by the light receiving parts 35A to 35E and to which photoelectric conversion is performed is transferred to a horizontal transfer register 36, binned and defined as an electric charge T indicating one pixel. After that, the image signal based on the electric charge T is amplified by an amplification part 37. COPYRIGHT: (C)2004,JPO
Patent•
28 Dec 2000
TL;DR: In this article, the authors proposed a radiation image forming method consisting of a radiation absorptive phosphor layer which absorbs radiations and exhibits light emission to a UV to visible region and a stimulable phosphor layers which absorbs this emitted light, accumulates its energy and radiates the energy as the emitted light by the excitation of the light of a visible to IR light.
Abstract: PROBLEM TO BE SOLVED: To provide a radiation image forming method of high detection quantum ratio and a radiation image forming material. SOLUTION: The radiation image forming method consists in using a radiation image conversion panel consisting of a radiation absorptive phosphor layer which absorbs radiations and exhibits light emission to a UV to visible region and a stimulable phosphor layer which absorbs this emitted light, accumulates its energy and radiates the energy as the emitted light by the excitation of the light of a visible to IR light and a fluorescent screen having the radiation absorptive phosphor layer, bringing the panel and the screen into tight contact with each other, irradiating both with the radiations transmitted through a subject and recording the spatial energy distribution of the radiations as a latent image on the panel, then irradiating the panel with exciting light, optoelectrically reading the emitted light released from the latent image, converting the emitted light to an image signal and reconstituting the image corresponding to the spatial energy distribution of the radiations.
Patent•
29 Mar 2000TL;DR: In this paper, the significant pels are identified and a resolution conversion characteristics selector selects one of two or more frequency conversion characteristics to be used for resolution conversion of the image signal using only significant pixels.
Abstract: An image signal expressing pel values and a significance signal declaring for each pel whether the pel value is significant are supplied as input signals. By referring to the input significance signal values for the pels proximal to the pel being processed, the significant pels are identified and a resolution conversion characteristics selector selects one of two or more frequency conversion characteristics to be used for resolution conversion of the image signal using only significant pels. A resolution converter then converts the resolution of the input image signal using the selected resolution conversion characteristic, and outputs the result as the image conversion apparatus output signal. Resolution conversion of the input image signal can therefore be accomplished by means of pel subsampling or interpolation without being affected by nonsignificant pels, and resolution conversion with minimal image quality loss caused by the conversion process is achieved.
Patent•
16 May 2000
TL;DR: In this paper, an image processing unit that realizes processing of an image at an arbitrary magnification with a very small filter circuit by applying up-sampling processing only to original pixels required for the processing with arbitrary magnification is provided.
Abstract: PROBLEM TO BE SOLVED: To provide an image processing unit that realizes processing of an image at an arbitrary magnification with a very small filter circuit by applying up-sampling processing only to original pixels required for the processing with an arbitrary magnification SOLUTION: This image processing unit, at an arbitrary magnification, is provided with counters 11, 13, 14 that count and provides an output of P by using an inter-pixel interval base value set to an optional magnification (n) for a base of the counters in the case of magnifying an original image at an arbitrary magnification m/n to obtain a converted image, original pixel specifying circuits 15, 19 that specify original pixels required for image conversion among the original image based on a quotient resulting from multiplying 1/m with the output P, a coefficient decision circuit 10 that decides on a coefficient, based on the residue obtained in the case of multiplying 1/m with the output P, and compositing units 16, 17, 18 that apply filtering processing to the specified original pixels based on the decided coefficient
Patent•
15 Nov 2000
TL;DR: In this paper, an image conversion processor for reducing an image data size is provided, which removes a transmission time delay by minimizing a transmission data quantity in a wireless period, and thus reduces a size of image data(GIF,JPG).
Abstract: PURPOSE: An image conversion processor for reducing an image data size is provided to reduce an image data size, removes a transmission time delay by minimizing a transmission data quantity in a wireless period, and thus reduces a size of image data(GIF,JPG). CONSTITUTION: An image conversion processor includes a first image storage part(201), an image format interpretation part(202), image detector(204), a second image storage part(205), image classification part(206), a color adjusting part(207) and an image format generator(208). The first image storage part stores external image data, and image data formed as image format. The image format interpretation part interprets image format of stored image data. The image detector detects image data in the interpreted image data. The second image storage part stores the detected image data. The image classification part classifies the detected and stored image data. The color adjusting part reduces image data quantity by adjusting classified image data. The image format generator forms the reduced image format as image format(GIF), and stores it into the first image storage part, and transmits it to the external part.
Patent•
28 Jul 2000
TL;DR: In this article, the ideal image pixel pattern decision circuit observes a pixel pattern in the binary ideal image and stores this image information to an ideal image pattern data memory 282 together with target pixel information in cross reference with the image information.
Abstract: PROBLEM TO BE SOLVED: To simply and optimally use a filter on the basis of template matching by selecting at least any one of a plurality of pixels in an observed image, deciding a single plane pixel parameter, coupling it with a multi plane parameter, and cross-referencing it with an ideal image pixel parameter so as to generate an ideal image. SOLUTION: An ideal training image is received from an image data source 100. The received image is stored in an ideal image data memory 281 and an ideal image pixel pattern decision circuit analyzes an ideal training image. The ideal training image is a binary multi-plane image. However, the image is used in combination with multi-kind diversified images. The ideal image pixel pattern decision circuit observes a pixel pattern in the binary ideal image and stores this image information to an ideal image pattern data memory 282 together with target pixel information in cross reference with the image information.
Patent•
14 Mar 2000
TL;DR: In this paper, a display system comprises sensors for sensing external light and a computer connected with each of them, and according to the steps 200-204, the computer transmits an image (an original image) to the display device, the display devices displays the transmitted original image; then the sensors sense the external light, and transmits the sensor image of the result; a converted image is formed by processing the original image by image conversion so that an influence of the external Light is offset on the computer and displayed on the display.
Abstract: PROBLEM TO BE SOLVED: To provide a display system capable of always displaying a high contrast image even if external light varies, and performing a high degree of adjustment which cannot be maintained and automatically performed from a remote position. SOLUTION: A display system comprises sensors for sensing external light and a computer connected with each of them, and according to the steps 200-204, the computer transmits an image (an original image) to the display device; the display device displays the transmitted original image; then the sensors sense the external light and transmits the sensor image of the result; a converted image is formed by processing the original image by image conversion so that an influence of the external light is offset on the computer and displayed on the display. Therefore, it is possible to display a high contrast image under any external light conditions, or even if the external light conditions vary by outputting the converted image processed beforehand to cancel the influence of the external light from the original image.
Patent•
12 May 2000
TL;DR: In this article, the authors proposed a change area extraction method based on a change-area information storing (CAIS) system. But the method is limited to a single image pair where the change area between image data is automatically extracted.
Abstract: PROBLEM TO BE SOLVED: To provide a change area extracting device by which a change area between image data is automatically extracted. SOLUTION: A stereo correspondence point estimating part 14 specifies a correspondence point based on a max. image correlative value which is calculated based on the image value of a specified position between image data of a stereo pair where a prescribed image conversion processing is executed by a rectification processing part 13. A change area extraction processing part 15 generates a change extraction map concerning the change area in the form of binary data to be one of the values '0' or '1' based on the max. image correlative value in the correspondence point specified by the stereo correspondence point estimating part 14 and based on a previously set correlative threshold. The generated change extraction map is held in a change area information storing part 16.