Patent application number | Description | Published |
20090067728 | Image matching method and image interpolation method using the same - An image matching method includes setting first and second lattices to first and second images respectively, computing potential force to each second lattice point of the second lattice by a gradient of an image correlation potential energy based on a position of each first lattice point and pixel thereof and a position of the second lattice point and pixel thereof, computing elasticity force to the second lattice point from elasticity energy between the second and adjacent lattice points, computing frictional force occurring at the second lattice point, performing a numerical analysis of an equation of motion regarding the second lattice point and based on the potential force, elasticity force and frictional force to obtain a convergence state of the second lattice points, and adding a new lattice point between an adjacent lattice point pair of second lattice points according to a distance between the adjacent lattice point pair. | 03-12-2009 |
20090115907 | IMAGE DISPLAY APPARATUS AND IMAGE DISPLAY METHOD - An image display apparatus includes an image displaying unit that includes a light source unit and a light modulation device, a histogram generating unit, a light source luminance calculator, a function storing unit, a first evaluation value calculator, a second evaluation value calculator, a third evaluation value calculator, a function acquiring unit and a control unit. The function acquiring unit acquires a plurality of the third evaluation values by repeating processing by the first to third evaluation value calculators with modification to a level conversion function and acquires a level conversion function that has a smallest third evaluation. The control unit supplies a signal of a converted video resulting from conversion of the image with the acquired level conversion function to the light modulation device. | 05-07-2009 |
20090129688 | INTERPOLATION IMAGE GENERATING METHOD AND APPARATUS - An interpolation image generating method includes dividing each of the first reference image and the second reference image into reference regions each including pixels, executing a correlation operation between the first reference image and first destination images located before and after the first reference image and a correlation operation between the second reference image and a second destination image to derive motion vectors for the first and second destination images every reference region, obtaining correlation values between the regions of the first and second destination images that are indicated by the motion vectors and the reference region to determine the reference region as a high or low correlation region, generating an interpolation image candidate between the first reference and second images using the reference region determined as the high correlation region, and mixing the interpolation image candidates using the motion vectors of the reference region to produce an interpolation image. | 05-21-2009 |
20090140975 | IMAGE DISPLAY APPARATUS AND IMAGE DISPLAY METHOD - An image display apparatus includes: a luminance modification unit configured to modify the luminance setting value so as to make a luminance difference between adjacent partial regions of a back light smaller; a luminance distribution calculation unit configured to calculate a predicted value of luminance distribution of light incident on a liquid crystal panel from the back light on the basis of the modified luminance setting value; a liquid crystal transmittance correction unit configured to correct an optical transmittance of the image signal at each pixel of the liquid crystal panel on the basis of the image signal and the luminance distribution; a back light control unit configured to control the back light on the basis of the modified luminance setting value; and a liquid crystal control unit configured to control the liquid crystal panel so that the transmittance of the image signal becomes the corrected optical transmittance. | 06-04-2009 |
20090201245 | LIQUID CRYSTAL DISPLAY APPARATUS - A liquid crystal display apparatus includes: a liquid crystal panel having a plurality of pixels arranged in a matrix form; a back light having a plurality of light sources controlled individually in light emission luminance to supply light to the liquid crystal panel; an image processing unit configured to calculate luminance setting values respectively of the light sources of the back light and correct the video signal; a back light control unit configured to control the back light on the basis of luminance setting values; and a liquid crystal drive unit configured to drive the liquid crystal panel on the basis of the corrected video signal. In strength distribution of light incident, a relative strength compared with a direct component in spatial frequency domain is equal to or less than a first threshold in a spatial frequency region having a value of at least 1. | 08-13-2009 |
20090268960 | IMAGE DISPLAY DEVICE AND IMAGE DISPLAY METHOD - An image display device includes:an image input unit configured to input an image; a content categorizer configured to determine a content category of the image; a database configured to store adjustment items corresponding to each of a plurality of content categories, the adjustment items being related to sensibility words each representing an impression for images; an adjustment item display configured to display the adjustment items corresponding to the content category, the adjustment item being selectable by a user; a receiver configured to receive set values of the adjustment items selected from the user; an image quality parameter calculator configured to calculate image quality parameters in accordance with the set values of the adjustment items; an image processor configured to perform image processing on the image in accordance with the image quality parameters; and an image display configured to display the processed image. | 10-29-2009 |
20100053066 | INFORMATION PROCESSING APPARATUS, AND IMAGE DISPLAY APPARATUS AND METHOD - An apparatus includes a unit computing, at each of positions on a target, first products of first reference values for light sources and factors for light sources, and a first sum of the first products corresponding to the light sources, and estimating, at each of the positions, the first sum as a first component at each of the positions, each of the first reference values being obtained referring to a first distribution, a unit computing a second sum of the factors for all of the light sources, and a second product of the second sum and second reference value, and estimating, at each of the positions, the second products as a second component at each of the positions, the second reference value being obtained referring to a second distribution that has a spatially constant value, and a unit computing a third sum of the first component and the second component. | 03-04-2010 |
20100149224 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND IMAGE DISPLAY DEVICE - An image processing apparatus has a light source luminance calculating unit which calculates the luminances of the light sources of the plurality of colors of a back light based on an input image, a light source maximum value detecting unit which detects a light source maximum value that is the largest value in the light source luminances of the plurality of colors, a light source luminance correcting unit which corrects the light source luminances to obtain corrected light source luminances so as to reduce the difference among the light source luminances of the plurality of colors if the light source maximum value is smaller than a threshold value, a gradation conversion function calculating unit which calculates a gradation conversion function applied to the input image corresponding to each of the plurality of colors, by using the corrected light source luminance, and a control unit which converts the input image by using the gradation conversion function and outputs the input image to a liquid crystal panel and generates the luminance control signal by using the corrected light source luminance and outputs the luminance control signal to the back light. | 06-17-2010 |
20100182346 | IMAGE DISPLAY DEVICE - An image display device | 07-22-2010 |
20100238201 | IMAGE DISPLAY APPARATUS - An image display apparatus for displaying images based on signals of an input image is provided. A backlight emits light. A liquid crystal panel modulates light emitted from the backlight. A emission intensity calculating unit calculates an emission intensity of the backlight such that a center value of a lightness range displayable on the panel defined depending on the emission intensity of the backlight substantially agrees with a center value between maximum and minimum values of lightness of each signal of the input image. A backlight controlling unit controls light emission of the backlight such that the light is emitted with the emission intensity. A signal correcting unit corrects each signal of the input image in accordance with the emission intensity. A liquid crystal controlling unit controls modulation of the liquid crystal panel based upon the corrected signals. | 09-23-2010 |
20100289760 | ELECTRONIC APPARATUS - The electronic apparatus according to the present invention comprises a first display unit | 11-18-2010 |
20110012824 | IMAGE DISPLAY APPARATUS AND IMAGE DISPLAY METHOD - An image display apparatus includes: a backlight configured to emit light; a liquid crystal panel configured to modulate light emitted from the backlight to make an image display; a backlight luminance calculating unit configured to calculate a light-emission luminance of the backlight such that a center value of a luminance range displayable on the liquid crystal panel defined depending on the light-emission luminance of the backlight substantially agrees with a center value of luminances of pixels forming an input image; a backlight controlling unit configured to control light emission of the backlight so that the light from the backlight is emitted with the calculated light-emission luminance; a luminance correcting unit configured to correct the luminance of each pixel in the input image in accordance with the calculated light-emission luminance; and a liquid crystal controlling unit configured to control modulation of the liquid crystal panel based upon the corrected input image. | 01-20-2011 |
20110025728 | IMAGE PROCESSING APPARATUS AND IMAGE DISPLAY APPARATUS - According to one embodiment, an apparatus includes following units. The image display unit includes a light source unit provided with light sources, each source being controlled respectively, and a liquid crystal panel displaying on a display area. The luminance calculation unit calculates a light source luminance of the light source based on a signal level of a divided area into which the display area virtually divided. The luminance distribution calculation unit calculates an entire luminance distribution of the light source unit. The transform unit transforms a signal level of the input image into a transformed image based on the entire luminance distribution. The luminance correction unit calculates a correction coefficient based on an average value or a sum of the light source luminance, and collects each of the light source luminance by the correction coefficient. The controller unit controls the liquid crystal panel and the light source unit. | 02-03-2011 |
20110043547 | VIDEO DISPLAY APPARATUS - According to one embodiment, a video display apparatus includes a liquid crystal panel configured to display a video on a display area and light sources, each configured to be controlled respectively and to light in an illumination area into which the display area is virtually divided according as arrangement of the light sources. The apparatus includes a first calculation unit configured to calculate a second emission intensity corresponding to a small-area based on a video signal in a small-area, wherein the small-area is segmented area of the display area and smaller than the illumination area. The apparatus includes a second calculation unit configured to calculate a first emission intensity to control the light source from the second emission intensities and a control unit configured to light the light sources at the first emission intensities. | 02-24-2011 |
20110169873 | LIQUID CRYSTAL DISPLAY - There is provided a liquid crystal display, including: a backlight having a plurality of light sources; a liquid crystal panel configured to display a video picture in a plurality of illumination regions corresponding to the light sources; an intensity value calculator calculating representative intensity values of the illumination regions based on an input video signal; a weight calculator performing a smoothing process on the representative intensity values by using first weights and to calculate second weights of the illumination regions having values which become larger as smoothed values of the representative intensity values becomes smaller than the representative intensity values; an intensity value corrector correcting the representative intensity values of the illumination regions based on the second weights and performe a smoothing process on corrected intensity values by using the first weights to obtain light source intensity values of the light sources. | 07-14-2011 |
20110181593 | IMAGE PROCESSING APPARATUS, 3D DISPLAY APPARATUS, AND IMAGE PROCESSING METHOD - According to an embodiment, an image processing apparatus includes an acquisition unit, a setting unit, a transform unit and a generation unit. The acquisition unit is configured to acquire a parallax value of each pixel of a plurality of images having a parallax. The setting unit is configured to set at least one reference range within a range of the parallax value. The transform unit is configured to apply transform to the parallax value of each pixel so as not to change a parallax value belonging to the reference range but to change a parallax value that does not belong to the reference range without changing a magnitude relationship between the parallax values of the pixels. The generation unit is configured to generate a parallax image from the image based on the parallax values after applying the transform. | 07-28-2011 |
20110221875 | THREE-DIMENSIONAL IMAGE DISPLAY APPARATUS AND IMAGE PROCESSING APPARATUS - According to one embodiment, a three-dimensional image display apparatus according to the present embodiments includes an acquisition unit, a selection unit, a generation unit, a display unit. The acquisition unit is configured to acquire attribute information related to attribute of one or more images to be displayed. The selection unit is configured to set parameter information based on the attribute information to control 3D effect for displaying the images and the parameter information includes at least parallax. The generation unit is configured to generate the images adjusted the 3D effect in accordance with the parameter information. The display unit is configured to display the adjusted images. | 09-15-2011 |
20110242280 | PARALLAX IMAGE GENERATING APPARATUS AND METHOD - According to one embodiment, a parallax image generating apparatus is for generating, using a first image, a parallax images with a parallax therebetween. The apparatus includes following units. The first estimation unit estimates distribution information items indicating distributions of first depths in the first image by using first methods. The distribution information items falls within a depth range to be reproduced. The first combination unit combines the distribution information items to generate first depth information. The second calculation unit calculates second depth information indicating relative unevenness of an object in the first image. The third combination unit combines the first depth information and the second depth information by using a method different from the first methods, to generate third depth information. The generation unit generates the parallax images based on the third depth information and the first image. | 10-06-2011 |
20120008855 | STEREOSCOPIC IMAGE GENERATION APPARATUS AND METHOD - According to embodiments, a stereoscopic image generation apparatus for generating a disparity image based on at least one image and depth information corresponding to the at least one image is provided. The apparatus includes a calculator, selector and generator. The calculator calculates, based on the depth information, evaluation values that assume larger values with increasing hidden surface regions generated upon generation of disparity images for respective viewpoint sets each including two or more viewpoints. The selector selects one of the viewpoint sets based on the evaluation values calculated for the viewpoint sets. The generator generates, from the at least one image and the depth information, the disparity image at a viewpoint corresponding to the one of the viewpoint sets selected by the selector. | 01-12-2012 |
20120019625 | PARALLAX IMAGE GENERATION APPARATUS AND METHOD - According to one embodiment, a parallax image generation apparatus comprises a calculation unit and a generation unit. The calculation unit is configured to calculate a distance between a target pixel value of a target pixel contained in an input image and a representative pixel value, and calculating a depth of the target pixel in a stereoscopic space in accordance with the distance. The generation unit is configured to generate, based on the depth, at least one parallax image corresponding to a view point different from that of the input image. | 01-26-2012 |
20120056905 | IMAGE DISPLAY APPARATUS AND INFORMATION PROCESSING APPARATUS - In one embodiment, an image display apparatus is disclosed. The apparatus includes a liquid crystal panel, a backlight, a calculation unit, a reference unit, a multiplier unit, and a determination unit. The backlight includes light sources illuminating the liquid crystal panel unit. The calculation unit calculates a representative value of relative luminances of pixels in the each of small regions into which the display region is divided. The reference unit refers to prestored lighting pattern data items for the light sources. The multiplier unit multiplies, for each of the small regions, the referred lighting pattern data item by the representative value. The determination unit determines emission intensities of respective light sources based on multiplication results of the multiplier unit. | 03-08-2012 |
20120056918 | IMAGE DISPLAY APPARATUS AND INFORMATION PROCESSING APPARATUS - According to one embodiment, an image display apparatus includes a liquid crystal panel, a backlight, a luminance distribution calculation unit, an error calculation unit, and an emission intensity update unit. The backlight includes a plurality of light sources which emit light. The luminance distribution calculation unit calculates a predicted value for an intensity distribution of light entering the liquid crystal panel if each of the light sources is lit with an emission intensity. The error calculation unit obtains a brightness of a display image which is realized if the each of the light sources is lit with the emission intensity, and the error calculation unit calculates an error between the obtained brightness and an ideal brightness of the display image corresponding to the input video signal. The emission intensity update unit updates the emission intensity of the each of the light sources to reduce the error. | 03-08-2012 |
20120057084 | LIQUID CRYSTAL DISPLAY - The liquid crystal panel displays a video in a display area by modulating light from the backlight including a plurality of light sources. The luminance value calculator calculates light source luminance values of the light sources based on an input video signal including signal values of pixels. The luminance distribution calculator calculates luminance distribution of light in illumination areas obtained by tentatively dividing the display area if the light sources emit light according to the light source luminance values. The representative value calculator calculates, based on the input video signal, a representative luminance value in each of divided areas obtained by dividing the display area. The signal corrector corrects the input video signal based on the luminance distribution according to a difference between a maximum value of the representative luminance values and an average value of the representative luminance values. | 03-08-2012 |
20120082368 | DEPTH CORRECTION APPARATUS AND METHOD - According to one embodiment, a depth correction apparatus includes a clusterer, a calculator and a corrector. The clusterer is configured to apply clustering to at least one of pixel values and depth values of a plurality of pixels in a calculation range corresponding to a correction target pixel, and to classify the plurality of pixels in the calculation range into a plurality of classes. The calculator is configured to calculate pixel value statistics of the respective classes using pixel values of pixels in the respective classes. The corrector is configured to determine a corresponding class of the correction target pixel based on a pixel value of the correction target pixel and the pixel value statistics of the respective classes, and to apply correction which replaces a depth value of the correction target pixel by a representative depth value of the corresponding class. | 04-05-2012 |
20120113682 | SURFACE LIGHTING APPARATUS - According to one embodiment, a surface lighting apparatus includes surface light source units stacked, and a control unit. Each surface light source unit includes a light guide plate and light-emitting units. The light guide plate includes a light incident surface for introducing light emitted by the light-emitting units, and a light-outputting region configured to output light through a front surface. The front surface is provided with a light transmission control part to prevent light from diffusing in a direction of arranging the light-emitting units. The light-emitting units are linearly arranged opposite to the light incident surface. The control unit controls a light intensity for each of the light-emitting units. A light guide plate of each surface light source unit other than a lowermost surface light source unit further includes a window region configured to transmit light output from one or more lower surface light source units. | 05-10-2012 |
20120154555 | STEREOSCOPIC IMAGE DISPLAY DEVICE AND STEREOSCOPIC IMAGE DISPLAY METHOD - A correction unit corrects gradation of pixels of a processing-target image signal for the right eye or the left eye. A writing unit writes the corrected image signal into display pixels of an image displaying unit. A reached level calculation unit calculates a reached gradation which is a gradation to be reached by each display pixel after one sub-frame period after the corrected image signal is written into the display pixel, on the basis of response characteristics of the display pixel, respectively. A timing controlling unit controls opening/closing timing of the glasses according to writing timing of the writing unit. The correction unit corrects the gradation of the pixels of the processing-target image signal, respectively, on the basis of a difference between the writing timing of the writing unit and the opening/closing timing of the glasses, and the reached gradation of the pixels in an immediately previous sub-frame. | 06-21-2012 |
20120162400 | STEREOSCOPIC IMAGE DISPLAYING APPARATUS - There is provided a stereoscopic image displaying apparatus that displays a stereoscopic image to a viewer wearing glasses, in which the image displaying unit has a plurality of display pixels, the correcting unit corrects gray levels of pixels of the image signal for the right eye or the left eye, the writing unit writes the image signal corrected by the correcting unit, into the display pixels of the image displaying unit, the timing controlling unit controls timing to open and close the right and the left of the glasses in accordance with timing of the writing by the writing unit, and the correcting unit corrects the gray levels of the pixels of the image signal in accordance with a difference between the timing of the writing by the writing unit and the timing to open and close the right and the left of the glasses. | 06-28-2012 |
20120169796 | IMAGE DISPLAY APPARATUS - There is provided an image display apparatus that corrects the gradation of an input video signal in accordance with an ambient illuminance, in which the adaptation amount of the eye and a surface reflection amount are calculated based on an illuminance signal acquired through a sensor, and the screen luminance of the screen and the gamma conversion for the video signal are controlled based on the adaptation amount of the eye and the surface reflection amount. | 07-05-2012 |
20120182292 | APPARATUS AND METHOD FOR DISPLAYING STEREOSCOPIC IMAGES - According to an embodiment, a stereoscopic image displaying apparatus is configured to display a multi-viewpoint image. An acquirer acquires person data including a position of each of at least one person viewing a stereoscopic image, a calculator calculates a weight from (1) the person data and (2) display parameters, the weight representing a stereoscopic degree inferred, for each of the at least one person, from a multi-viewpoint image to be displayed in accordance with the display parameters, a determiner selects the display parameter based on the weights, and generates a multi-viewpoint image that accords with the display parameters selected, and a displaying device displays the generated image. | 07-19-2012 |
20120182333 | IMAGE PROCESSING APPARATUS AND IMAGE DISPLAYING APPARATUS - There is provided an image displaying apparatus in which a light-source luminance calculator calculates light-source luminance of the light emitted by a backlight based on pixel values of an input image, a cumulative light-emission amount calculator calculates a cumulative light-emission amount by summing up light-source luminance for an arbitrary period for which an image is displayed at a time before the input image is displayed, the cumulative light-emission amount is compared with a reference light-emission amount determined in advance, and if the difference between the cumulative light-emission amount and the reference light-emission amount is smaller than a reference, a light-source luminance correcting unit corrects the light-source luminance to a smaller value to obtain corrected light-source luminance corrected. | 07-19-2012 |
20120293640 | THREE-DIMENSIONAL VIDEO DISPLAY APPARATUS AND METHOD - According to one embodiment, a three-dimensional video display apparatus includes a display, a calculator and a generator. The display displays a plurality of images with different viewpoints by using a plurality of light beam control elements to control light beams from pixels. The calculator calculates a quality of view for each of viewing positions with respect to the display based on a number of the light beam control elements causing pseudoscopy at each of the viewing positions. The generator generates a map indicating the quality of view for each of the viewing positions. | 11-22-2012 |
20130050815 | THREE-DIMENSIONAL IMAGE DISPLAY APPARATUS - According to an embodiment, there is provided a 3D image display apparatus provided with a display unit and a control element arranged to oppose the display unit. The control element has a number of optical apertures linearly extended and tilted at an angle θ with respect to a linearly extending direction. The sub-pixel have one of first and second patterns defined by an aperture and a light-shielding portion. The sub-pixels of an identical color are arrayed to alternately have the first and second patterns or the second and first patterns along the second direction, and the sub-pixels are arrayed so as to mutually give at least one of no line-symmetry relationship and no point-symmetry relationship. | 02-28-2013 |
20140092000 | IMAGE DISPLAY APPARATUS AND IMAGE DISPLAY METHOD - According to some embodiments, there is provided an image display apparatus including: a backlight, a modulation unit, a calculation unit and a control unit. The backlight includes a plurality of light sources, an emission intensity of each light source being controllable. The modulation unit modulates light emitted from the backlight to display an image on a display region. The calculation unit calculates an amount of motion of a video between a previous image and a subsequent image based on an input video signal. The control unit controls the light sources such that a non-uniform distribution of brightness is obtained on the display region as the amount of motion decreases. | 04-03-2014 |
20140092122 | IMAGE DISPLAY APPARATUS AND METHOD THEREFOR - There is provided an image display apparatus including: a setting unit, a correcting unit and a displaying unit. The setting unit sets an amount of correction value for at least one of lightness and chroma for each hues, wherein the amount of correction values are determined so that a relative relationship of evaluation values among the hues is kept from varying before and after correction, the evaluation values being values defined depending on lightness and chroma for the hues. The correcting unit obtains a corrected image by correcting at least one of the lightness and the chroma of the input image according to the amount of correction. The displaying unit displays the corrected image. | 04-03-2014 |
20140192169 | STEREOSCOPIC IMAGE DISPLAY DEVICE, CONTROL DEVICE, AND DISPLAY PROCESSING METHOD - According to an embodiment, a stereoscopic image display device includes a display, an optical element, a detector, a calculator, a deriver, and an applier. The display has a display surface including pixels arranged thereon. The optical element has a refractive-index distribution that changes according to an applied voltage. The detector detects a viewpoint position representing a position of a viewer. The calculator calculates a gravity point of the viewpoint positions when a plurality of viewpoint positions are detected. The deriver derives a drive mode according to the gravity point, where the drive mode is indicative of a voltage to be applied to the optical element. The applier applies a voltage to the optical element according to the drive mode such that a visible area within which a display object displayed on the display is stereoscopically viewable is set at the gravity position. | 07-10-2014 |
20140233101 | IMAGE DISPLAY DEVICE - According to an embodiment, an image display device includes an optical element, a voltage controller, and a display. Regarding the optical element, the refractive-index distribution changes according to the voltage applied thereto. The voltage controller controls, in a first mode, the voltage applied to the optical element in such a way that a first-type refractive-index distribution is achieved which acts as a first-type Fresnel lens; and controls, in a second mode that is different than the first mode, the voltage applied to the optical element in such a way that a second-type refractive-index distribution is achieved which acts as a second-type Fresnel lens having a greater number of steps than the first-type Fresnel lens. The display is disposed on the back side of the optical element and displays images. | 08-21-2014 |
20140362197 | IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, AND STEREOSCOPIC IMAGE DISPLAY DEVICE - According to an embodiment, an image processing device includes a detector, a determiner, and a generator. The detector is configured to detect a real-space position of a viewer. The determiner is configured to determine a first relative position in a virtual space between the viewer and a display surface displaying a stereoscopic image based on the real-space position of the viewer, so that a particular site of the object to be displayed on the display surface faces the viewer in the virtual space. The generator is configured to generate a stereoscopic image by rendering a three-dimensional data of the object based on the first relative position. | 12-11-2014 |
20150015597 | IMAGE PROCESSING APPARATUS AND METHOD THEREFOR - According to one embodiment, there is provided an image processing apparatus including: first circuitry and second circuitry. The first circuitry sets for first color information in a first color gamut a correction quantity of a brightness defined depending on a lightness and a chroma of the first color information on a basis of a difference between a target brightness and the brightness of the first color information. The second circuitry corrects at least one of the lightness and the chroma of the first color information such that the brightness of the first color information is corrected by the correction quantity to obtain corrected color information in the first color gamut. | 01-15-2015 |
20150084930 | INFORMATION PROCESSOR, PROCESSING METHOD, AND PROJECTION SYSTEM - According to one embodiment, an information processor includes: a detector; a vector calculator; a determiner. The detector detects an object existing over a plurality of detection ranges set at distances different from one another from a reference surface and acquires representative points of the object based on detected position in the detection ranges. The vector calculator acquires a three-dimensional vector based on the representative points. The determiner determines an input operation by the object based on the three-dimensional vector. | 03-26-2015 |