Patent application number | Description | Published |
20080204779 | IMAGE PROCESSING DEVICE AND IMAGE DISPLAY DEVICE - An image processing device for converting a color tone of an image includes: an input unit to which an image is input; a designation unit that designates precision of color conversion performed on the input image; a color conversion table that stores output color data after color conversion of color data, which is determined according to the designated precision and may be included in the image, in an address space determined according to the precision; an address specifying unit that specifies an address referring to the color conversion table on the basis of a first portion, which is determined according to the precision, of color data expressing the input image; a color converting unit that converts the color data included in the input image into output color data by referring to the specified address of the color conversion table; a parameter specifying unit that specifies a parameter for interpolating a color, which is expressed by the output color data, on the basis of a second portion other than the first portion of the color data included in the input image; and an interpolation unit that interpolates a color, which is expressed by the converted output color data, on the basis of the specified parameter. | 08-28-2008 |
20080218464 | DEVICE CONTROL APPARATUS AND IMAGE DISPLAY APPARATUS - A device control apparatus that controls an image display device including a plurality of main scan lines is disclosed. The apparatus includes: a cumulative correction value calculation section that calculates, in response to an input image signal, a cumulative correction value in accordance with a cumulative value of each gray-scale value of input image data provided for each of the main scan lines; a cumulative correction value storage section that stores the calculated cumulative correction value for each of the main scan lines; and a device control section that controls, based on N (where N is an integer of 2 or larger) of the main scan lines read from the cumulative correction value storage section, the image display device to suppress a gray-scale deviation resulted from display of the N of the main scan lines. | 09-11-2008 |
20080218702 | LIGHT AMOUNT CONTROL DEVICE AND PROJECTOR - A light amount control device that controls an amount of light acquired from a light source provided in an image display apparatus includes: a pulse generator; an operation processing portion for light amount control that outputs a transfer start signal at timing when the amount of light is controlled; a data setting circuit that is provided outside the operation processing portion and that stores data, in which various kinds of signals instructing the operation processing portion to set transfer data beforehand are set, in a memory; an address generator that is provided outside the operation processing portion and that sets an address in response to the transfer start signal output from the operation processing portion; a memory that is a main component included in the pulse generator and that outputs data on the basis of a memory address generated by the address generator; a pulse driven body whose operation direction and speed are determined by a pulse signal formed by data output from the memory and which is driven by a pulse; an actuator connected to the pulse driven body; and an opening capable of adjusting the amount of transmitted light according to an operation of the actuator inserted in an emission path of the light source. | 09-11-2008 |
20080291183 | Display driver and image display apparatus - A display driver for driving a display device having a plurality of pixels, the display driver comprises: an image processor that receives an image signal that contains information to be displayed on each of the plurality of pixels and applies a predetermined processing on the image signal to output a processed image signal; a selector that selects the information corresponding to a predetermined pixel among the plurality of pixels to output a selected image signal; and a memory that temporarily stores the selected image signal output by the selector, the selected image signal being read out from the memory to be fed to the predetermined pixel of the display device through a signal feed line. | 11-27-2008 |
20090207188 | IMAGE DISPLAY DEVICE, HIGHLIGHTING METHOD - An image display device for displaying an image includes an image display unit that displays an image based on image data inputted from the outside, a superimposing unit that superimposes a pointer image which can be moved according to an instruction from the outside on the displayed image, a position receiving unit that receives designation of a moved position of the pointer image on the image and a highlighting unit that highlights an image in a given area which is determined based on a property of a pixel corresponding to the received moved position. | 08-20-2009 |
20100191938 | INFORMATION PROCESSING DEVICE, ARITHMETIC PROCESSING METHOD, ELECTRONIC APPARATUS AND PROJECTOR - An information processing device including: a first arithmetic processing unit performing first arithmetic processing; a second arithmetic processing unit performing second arithmetic processing; input registers adapted to include a first input register allocated to the first arithmetic processing unit, and a second input register allocated to the second arithmetic processing unit; and output registers storing a processing results of the first arithmetic processing unit and a processing results of the second arithmetic processing unit, in each of given execution cycles, the first arithmetic processing unit performs the first arithmetic processing using stored data of the first input register and stores a processing result of the first arithmetic processing in the output registers and the second arithmetic processing unit performs the second arithmetic processing using stored data of the second input register and stores a processing result of the second arithmetic processing in the output registers. | 07-29-2010 |
20100245379 | IMAGE DISPLAY APPARATUS - An image display apparatus adapted to display an image based on an image signal input includes: a color adjustment circuit adapted to perform one of a modification process and a correction process individually on a hue signal, a lightness signal, and a saturation signal included in first HLS signals as an image signal, and output the processed signals as second HLS signals. | 09-30-2010 |
20100250641 | INFORMATION PROCESSING DEVICE, ARITHMETIC PROCESSING METHOD, AND ELECTRONIC APPARATUS - An information processing device includes: plural input registers including a first input register and a second input register; an added value register; a first adding unit that performs addition processing for stored data of the first input register and stored data of the second input register; a second adding unit that performs addition processing for connected data, which is obtained by connecting the stored data of the first input register and the stored data of the second input register, and stored data of the added value register; and plural output registers in which a processing result of the first adding unit or the second adding unit is stored, wherein in each of given execution cycles, the first adding unit stores a processing result of the first adding unit in any one of the plural output registers and the second adding unit stores a processing result of the second adding unit in any one of the plural output registers. | 09-30-2010 |
20110012915 | IMAGE DISPLAY DEVICE AND IMAGE DISPLAY METHOD - Technology for carrying out a luminance range expansion process is provided. In the technology, the luminance range expansion process is carried out in a manner appropriate to the luminance histogram of image data. Using the white peak value WP which represents the maximum value of luminance and the APL which represents the mean value thereof in the luminance histogram of image data, an expansion coefficient for use in the luminance range expansion process is derived by referring to an expansion coefficient lookup table | 01-20-2011 |
20110234620 | IMAGE PROCESSING DEVICE AND IMAGE DISPLAY DEVICE - An image processing device for converting a color tone of an image includes: an input unit to which an image is input; a designation unit that designates precision of color conversion performed on the input image; a color conversion table that stores output color data after color conversion of color data, which is determined according to the designated precision and may be included in the image, in an address space determined according to the precision; an address specifying unit that specifies an address referring to the color conversion table on the basis of a first portion, which is determined according to the precision, of color data expressing the input image; a color converting unit that converts the color data included in the input image into output color data by referring to the specified address of the color conversion table; a parameter specifying unit that specifies a parameter for interpolating a color, which is expressed by the output color data, on the basis of a second portion other than the first portion of the color data included in the input image; and an interpolation unit that interpolates a color, which is expressed by the converted output color data, on the basis of the specified parameter. | 09-29-2011 |
20130009966 | IMAGE PROCESSING DEVICE, IMAGE DISPLAY DEVICE, AND PROJECTOR - An image processing device adapted to perform image processing on an image signal input, and then output the image signal includes an interface section adapted to perform input and output of the image signal in process with a storage device located outside the image processing device, and connected to the image processing device, a compression processing section adapted to compress the image signal output from the interface section to the storage device, and a compression rate setting section adapted to set a compression rate used when compressing the image signal in the compression processing section. | 01-10-2013 |