Patent application number | Description | Published |
20080199090 | CODING METHOD CONVERSION APPARATUS - A coding method conversion apparatus converts the first coded data coded by the first coding method into the second coded data. The coding method conversion apparatus includes: an H.264 decoder which decodes the first coded data; a deblocking filter strength calculation unit which calculates a filter strength of deblocking filtering of a second coding method, using at least one piece of decoding information except a coding type of the first coded data, the decoding information being obtained by decoding the first coded data; and a deblocking filter which performs the deblocking filtering to reduce noise in a boundary of blocks according to the filter strength calculated by the deblocking filter strength calculation unit. | 08-21-2008 |
20080317377 | IMAGE CODING APPARATUS AND IMAGE CODING METHOD - The image coding apparatus according to the present invention is an image coding apparatus, including an imaging unit, a chroma quantization width adjustment unit configured to determine a chroma quantization width using a first method when the amount of the incident light on the imaging unit is larger than the predetermined amount, and to adjust the chroma quantization width such that the chroma quantization width is larger than a quantization width determined using the first method when the light amount judging unit judges that the amount of the incident light is smaller than the predetermined amount, and a luma quantization width adjustment unit configured to determine a luma quantization width using a second method without being dependent on the amount of the incident light. | 12-25-2008 |
20090010322 | PICTURE CODING APPARATUS - The picture coding apparatus, which optimizes data amount of coded picture data without entailing an increase in circuit size and/or power consumption, includes: a picture input unit which obtains a moving picture signal Vin; a buffer; a lead detecting unit which detects a lead portion from the moving picture represented by the moving picture signal Vin; a coding unit which codes the moving picture signal Vin in the lead portion detected by the lead detecting unit, according to a coding condition for temporary coding; and a coding condition generating unit which generates a coding condition for actual coding, based on the result of the coding by the coding unit and the coding condition for temporary coding. Then, coding unit codes the moving picture signal Vin representing the moving picture including the aforementioned lead portion, according to the coding condition for actual coding. | 01-08-2009 |
20090128645 | IMAGING DATA PROCESSING DEVICE, IMAGING DATA PROCESSING METHOD, AND IMAGING ELEMENT - A device is provided for taking high resolution still pictures while recording video without pausing video recording. Plural channels are provided for reaching pixel values from a CMOS sensor, and the output of each channel is input to a corresponding A/D conversion circuit. The channels are configured so that the pixels that are added together are read simultaneously. The data added by the pixel value adder is used as the video data for video recording. When a still picture is captured during video recording, the pixel data is stored in memory with capacity to store one frame, and is sequentially output from the image sensor as the still picture data. | 05-21-2009 |
20090189995 | IMAGE RECORDING DEVICE, IMAGE REPRODUCING DEVICE, RECORDING MEDIUM, IMAGE RECORDING METHOD, AND PROGRAM THEREOF - An image recording/reproducing device of this invention includes the following units. An image signal processing unit generates second captured image signals according to a second method. A first compression unit generates first compressed image data by compressing first image information which is in the second captured image signals and equivalent to the first captured image. A second compression unit generates second compressed image data by compressing second image information which is in the second captured image signals except at least a part of the first image information. A recording unit creates first and second folders, and records the first compressed image data and a first playlist in association with the first folder and the second compressed image data in association with the second folder, so that parts of the first and second compressed image data captured during a same first time unit are recorded in association with each other. | 07-30-2009 |
20090189996 | IMAGE RECORDING DEVICE, IMAGE REPRODUCING DEVICE, RECORDING MEDIUM, IMAGE RECORDING METHOD, AND PROGRAM THEREOF - An image recording device includes: a reference clock generation generating a reference clock; a first compression unit generating first compressed image data by compressing a first picture that is included in pictures in the captured image and that is equivalent to image captured at the first frame rate; a second compression unit generating second compressed image data by compressing a second picture that is included in the pictures in the captured image except the first picture; a first timestamp generation unit generating a first timestamp indicating a time for presentation of the first picture with reference to the reference clock; a second timestamp generation unit generating a second timestamp indicating a time for presentation of the second picture with reference to the reference clock; a first assignment unit assigning the first timestamp to the first compressed image data; a second assignment unit assigning the second timestamp to the second compressed image data; and a recording unit recording, to the recording medium, (i) the first compressed image data assigned with the first timestamp and (ii) the second compressed image data assigned with the second timestamp. | 07-30-2009 |
20090190654 | IMAGE RECORDING DEVICE, IMAGE REPRODUCING DEVICE, RECORDING MEDIUM, IMAGE RECORDING METHOD, AND PROGRAM THEREOF - An image recording/reproducing device of this invention includes the following units. An image signal processing unit generates second captured image signals according to a second method. A first compression unit generates first compressed image data by compressing first image information that is image information included in the second captured image signals and that is equivalent to the first captured image. A second compression unit generates second compressed image data by compressing second image information that is image information included in the second captured image signals except at least a part of the image information included in the first image information. A recording unit creates first and second folders, records the first compressed is image data and first control information for reproducing the first compressed image data in association with the first folder, and records the second compressed image data in association with the second folder. | 07-30-2009 |
20090244307 | IMAGE ENCODING METHOD AND DEVICE, IMAGE DECODING METHOD AND DEVICE, AND IMAGING DEVICE - An image encoding method is for obtaining, from a pixel data string containing pixel values of a plurality of pixels in a pixel array where the pixels are arrayed, a pixel data string containing a quantized representative value into which at least one of the pixel values is encoded. Encoding is performed by allocating a specific quantized representative value when a pixel value of a pixel is a specific pixel value, and by allocating a quantized representative value other than the specific quantized representative value when the pixel value is other than the specific pixel value. | 10-01-2009 |
20100142811 | DIGITAL SIGNAL ENCODING AND DECODING DEVICE AND METHOD - An encoding device includes: a difference generation unit for obtaining a first pixel difference value as a difference value between a first pixel value and a pixel value of a pixel having the same color as the first pixel positioned in the vicinity of the first pixel; a quantization width decision unit for deciding a quantization width in data generation by quantizing the first and the second pixel value according to the number of digits of an unsigned integer binary value of the first pixel difference value and the number of digits of an unsigned integer binary value of the second pixel difference value generated in the difference generation unit for the second pixel value of the second pixel; a quantization width information generation unit for generating quantization width information having a quantization width used for quantization/decoding of the first and the second pixel value; and a quantization unit for generating a first and a second compressed encoded pixel value of n-bit length. | 06-10-2010 |
20100226439 | IMAGE DECODING APPARATUS AND IMAGE DECODING METHOD - An image decoding apparatus that performs decoding using motion compensation includes: a reference area specifying unit that specifies, prior to decoding performed on a block-by-block basis, a reference area that is an existing range of reference pixels in a reference picture based on a block on which motion compensation is to be performed; a decoded pixel memory which stores decoded pixel data; a reference pixel buffer that holds reference pixel data; a reference-pixel-reading control unit that copies pixel data of an area including the reference area specified by said reference area specifying unit, from said decoded pixel memory into said reference pixel buffer; a motion compensation unit that generates interpolation pixel data by performing the motion compensation using reference pixel data copied into said reference pixel buffer; and a pixel value decoding unit that generates decoded pixel data using the interpolation pixel data. | 09-09-2010 |
20100238056 | CODE AMOUNT ESTIMATING DEVICE, IMAGE CODING APPARATUS INCLUDING THE CODE AMOUNT ESTIMATING DEVICE, AND CODE AMOUNT ESTIMATING METHOD - To provide a code amount estimating device which can perform, at high speed and with high precision, estimation of code amount obtained after arithmetic coding. The code amount estimating device includes a context index calculation unit which calculates a context index of a binary symbol included in binary data, and an estimate code amount calculation unit which calculates an estimate code amount for the binary data based on symbol occurrence probability information stored in association with the calculated context index and on a held probability interval range. The estimate code amount calculation unit estimates the code amount for the binary data according to code amount information indicating an association between (i) a combination of a binary symbol string including one or more binary symbols, symbol occurrence probability information, and a probability interval range and (ii) an estimate code amount for the binary symbol string. | 09-23-2010 |
20100254682 | IMAGE CODER, VIDEO CAMERA, INTEGRATED CIRCUIT, AND IMAGE CODING METHOD - An image coder with a pre-record function includes a coding unit ( | 10-07-2010 |
20100277613 | IMAGE RECORDING DEVICE AND IMAGE REPRODUCTION DEVICE - An image recording device ( | 11-04-2010 |
20100303155 | IMAGE CODING DEVICE, IMAGE CODING METHOD, IMAGE CODING INTEGRATED CIRCUIT AND IMAGE CODING PROGRAM - An image coding device ( | 12-02-2010 |
20100316120 | MOVING PICTURE CODING DEVICE AND BROADCAST WAVE RECORDING DEVICE - A device coding a moving picture in units of a group including pictures, including: a generation unit generating quantization matrices; a selection unit selecting a quantization matrix for a current picture; a unit storing the quantization matrices in a header part of the group, and coding the current picture; a unit including a virtual buffer, and performing buffer simulation based on an amount of bits to be outputted; and a unit determining whether bit amount reducing is required for the current picture, based on a result of the buffer simulation, wherein the generation unit generates a normal quantization matrix used in common for at least one of the pictures, and a quantization matrix for bit amount reducing used only when the bit amount reducing is required, and the selection unit selecting the quantization matrix for bit amount reducing used for the current picture, when the bit amount reducing is required. | 12-16-2010 |
20110001839 | PICTURE CODING APPARATUS, PICTURE CODING METHOD AND VIDEO CAMERA - A picture coding apparatus includes a static area information calculating unit that calculates static area information indicating a size of a static area of which motion is smaller than a predetermined value for each of fields included in an interlaced picture, a reference field selecting unit that selects, as a reference field to be used to predict a field to be coded, one of a field having of the same parity as a field to be coded and a field having the opposite parity of the field to be coded, among fields previously coded, based on the static area information of the fields previously coded, and a coding unit that codes the field to be coded by using the reference field selected by the reference field selecting unit. | 01-06-2011 |
20110032988 | TRANSCODER, METHOD OF TRANSCODING, AND DIGITAL RECORDER - A transcoder reducing processing amount when a coded stream to which at least intra prediction is applied is transcoded into a coded stream to which intra prediction and inter prediction are applied. The transcoder ( | 02-10-2011 |
20110032989 | MOVING PICTURE CODING DEVICE AND MOVING PICTURE CODING METHOD - Provided is a moving picture coding device which makes it possible to suppress deterioration in coding efficiency caused by flickers occurring at a time of high-speed capturing under fluorescent lamp lighting or the like. | 02-10-2011 |
20110052138 | IMAGE RECORDING DEVICE, CAMERA, IMAGE REPRODUCTION DEVICE, IMAGE RECORDING METHOD, IMAGE REPRODUCTION METHOD, PROGRAM, AND INTEGRATED CIRCUIT - An image recording device ( | 03-03-2011 |
20110055296 | LINK INFORMATION GENERATION APPARATUS, PICTURE RECORDING APPARATUS, PICTURE REPRODUCTION APPARATUS, RECORDING MEDIUM, LINK INFORMATION GENERATION METHOD, PICTURE RECORDING METHOD, PICTURE REPRODUCTION METHOD, PROGRAM, AND INTEGRATED CIRCUIT - A link information generation apparatus records a link information file on a recording medium on which a first folder holding a still picture file that includes still picture data and still picture imaging time information and a second folder holding one or more moving picture files each of which includes moving picture data are recorded at positions that are not in a containment relationship with each other. The link information generation apparatus includes: a moving picture specification unit ( | 03-03-2011 |
20110116722 | CODED STREAM REPRODUCTION DEVICE AND CODED STREAM REPRODUCTION METHOD - Reproduction of a plurality of coded streams is switched smoothly without a large processing capability. A coded stream reproduction device ( | 05-19-2011 |
20110213932 | DECODING APPARATUS AND DECODING METHOD - A decoding apparatus is used which includes: a CABAC processing unit ( | 09-01-2011 |
20120120207 | IMAGE PLAYBACK DEVICE AND DISPLAY DEVICE - An image playback device includes a playback portion which plays back content data to make a video stereoscopically viewed by means of video data including first and second images for first and second view points, respectively; a setting portion which sets a playback speed for playing back the content data; and an adjuster which adjusts parallax information about parallax between the first and second images in response to the playback speed set by the setting portion. | 05-17-2012 |
20120163788 | Stereoscopic Imaging Device - Stereoscopic imaging device that can take stereo images with the parallax between the left and right eyes being accurately established is afforded. The stereoscopic imaging device ( | 06-28-2012 |
20120163789 | Optical Element Holder and Stereoscopic Imaging Device Utilizing the Holder - Afforded is an optical element holder allowing high-accuracy stereo images to be taken. The holder includes: a rectangular parallelepiped beam splitter ( | 06-28-2012 |
20120163790 | Stereo-Image Photographing Apparatus - A stereo-image photographing apparatus enabling readily, short time-span realization of lens-barrel optical-axis adjustment in left- and right-eye imaging devices is afforded. The apparatus includes: a beam splitter having an incident surface of rectangular form, on which imaging light from a photographic subject is incident, an optically functional surface that reflects first imaging light, being a portion of incident imaging light, in a direction paralleling the shorter side of the rectangular form and that passes second imaging light being the remaining portion of the incident imaging light, a first light-exit surface through which the first imaging light exits, and a second light-exit surface through which the second imaging light exits; a first lens barrel directly facing the first light-exit surface; a second lens barrel directly facing the second light-exit surface; a first imaging device mounted on the first lens barrel; and a second imaging device mounted on the second lens barrel. | 06-28-2012 |
20120163791 | Stereoscopic Imaging Device - A small-sized stereo-image taking apparatus that includes a small-sized beam splitter for splitting in two the imaging light from a photographic subject and that makes it possible to take both telephotographic-range and wide-angle-range images is afforded. The stereo-image taking apparatus includes: an optical element having an optically functional surface splitting in two the imaging light from a photographic subject; first and second telescopic lens barrels having telescoping functionality; first and second imaging devices mounted on the first and second telescopic lens barrels, for generating first and second images on the basis of first and second imaging light constructing images through the first and second telescopic lens barrels; and first and second moveable sections causing the first and second imaging devices to parallel-shift optical-axis-wise in accordance with extension/retraction of the first and second telescopic lens barrels. | 06-28-2012 |
20120236126 | IMAGE PICKUP DEVICE, IMAGE PICKUP METHOD, PROGRAM, AND INTEGRATED CIRCUIT - A conventional stereo image pickup device forms an appropriate stereo image by changing the stereo base in accordance with the distance to a subject, but fails to select an appropriate focal length or stereo base by simply using the subject distance without obtaining the subject size. A stereo image pickup device ( | 09-20-2012 |
20120242803 | STEREO IMAGE CAPTURING DEVICE, STEREO IMAGE CAPTURING METHOD, STEREO IMAGE DISPLAY DEVICE, AND PROGRAM - A conventional device adjusts the convergence angle of its imaging unit in a manner that the left-and-right face detection areas are at the same coordinates and thus forms a stereo image that will be placed on a display screen during display, but fails to place a subject at an intended stereoscopic position. A stereo image capturing device ( | 09-27-2012 |
20130222376 | STEREO IMAGE DISPLAY DEVICE - A stereo image display device includes an image input unit that obtains image data representing a stereo image, a display unit that displays an image based on the image data, an operation unit that receives pointing position on an image displayed on the display unit, an information calculator that obtains parallax information on a portion corresponding to the position pointed by the operation unit in the image data, and a controller that controls the display unit to display the parallax information obtained as well as the image. The display unit displays the parallax information in a format representing a magnitude and a direction of parallax. The operation unit receives a command for changing the magnitude of parallax represented by the parallax information. The controller changes a magnitude of parallax on the portion corresponding to the pointed position in the image data based on the changing command received by the operation unit. | 08-29-2013 |
20130272677 | IMAGE FILE GENERATION DEVICE, IMAGE FILE REPRODUCTION DEVICE, AND IMAGE FILE GENERATION METHOD - An image file generation device includes an image obtaining unit configured to obtain data of a stereoscopic image enabling stereovision, an parallax information obtaining unit configured to obtain parallax information for each of sub-regions (divided regions) of an entire region of the stereoscopic image, and a file generator configured to generate an image file including a data part which stores data of the stereoscopic image obtained by the image obtaining unit and a header part which stores management data for the data of the stereoscopic image stored in the data part. The file generator stores, in the header part, parallax information for each sub-region and information on a method of dividing the region, for each sub-region. | 10-17-2013 |
20140003515 | VIDEO IMAGE DECODING DEVICE AND VIDEO IMAGE DECODING METHOD | 01-02-2014 |
20140044186 | IMAGE CODING DEVICE, IMAGE CODING METHOD, IMAGE CODING INTEGRATED CIRCUIT AND IMAGE CODING PROGRAM - An image coding device which codes input image data includes a coding flag generation unit which determines whether or not the input image data is image data included in data of a moving picture showing a motion of a predetermined motion amount or greater, and generates coding flag information which indicates a result of the determination. A coding method determination unit determines a coding method in which the input image data references coded image data that the coded image data indicates is the input image data included in the data of the moving picture that is closer to the input image data. An image coding unit compression-codes the input image data using the coding method determined by the coding method determination unit. | 02-13-2014 |