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JP5173867B2 |
This invention generates, from multi-value image data, encoded data having a fixed length of L bits for each block including m×n pixels. An extraction unit extracts representative two colors C0 and C1 from an input block. A detection un...
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JP5176308B2 |
To easily transmit video data having a wide color gamut by using an existent transmission standard for video data such as the HDMI standard. The present invention is applied to a transmitting device which transmits video data by using a ...
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JP2013055395A |
To provide an interface for transmitting 2k/23.98P-60P or 47.95I-60I/16-bit video signals.A signal transmitting device punctures per word a 1-ch 16-bit signal whose r:g:b is 4:4:4 to map to a 1-ch 16-bit signal whose r:g:b is 4:2:2 and t...
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JP5162845B2 |
To make it possible to more efficiently transmit data by utilizing a standard such as the HDMI standard wherein the number of transmittable bits is fixedly determined. In the case that a source side apparatus transmits video data in the ...
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JP5157796B2 |
In a lossless compression-encoding device, a calculation part calculates differences between different types of pixel data representing the first, second and third color components of an image, and outputs the calculated differences as a...
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JP2013034160A |
To provide a moving image encoder capable of generating an appropriate prediction image of a color component in a prediction mode in which a prediction image of a color difference component is generated by using a prediction image of a l...
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JP2013034159A |
To provide a moving image decoder capable of accurately calculating a motion vector of a color difference component from a motion vector of a luminance component in inter-screen prediction decoding, when decoding a code string made by en...
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JP5140901B2 |
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JP2013031024A |
To achieve both transmission delay time minimization and high compression of image data in a simple configuration, when an image transmission device for compressing and transmitting image data to be transmitted, transmits image data of a...
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JP5138709B2 |
An image encoder including: a predicted-image generating unit that generates a predicted image in accordance with a plurality of prediction modes indicating predicted-image generating methods; a prediction-mode judging unit that evaluate...
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JP5137532B2 |
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JP2013021563A |
To sufficiently reduce a data amount while suppressing image quality degradation.An image compression circuit includes: a subsampling processing part for performing subsampling processing of color difference signals to non-compressed vid...
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JP5133135B2 |
Provided are an image encoding method and apparatus and an image decoding method and apparatus that are capable of canceling a correlation remaining in a residual image by predicting the residual image by using residual pixel values of r...
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JP5133317B2 |
A technique (200) for compressing video images (102) uses temporary compression of blocks during compression, integrated color rotation of compressed images, direct compression of a composite video signal, and border filters to allow blo...
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JP2013017085A |
To construct a block for motion compensation suitable when image information in an RGB color space is encoded with an encoding method including motion compensation.The image encoder and the image encoding method comprise processes of: co...
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JP5128945B2 |
A lossless moving picture encoding and decoding method and apparatus are provided by which when intra prediction of a block with a predetermined size is performed, the compression ratio is increased by using a pixel in a block to be pred...
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JP5128963B2 |
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JP5117670B2 |
A method of representing at least one image comprises deriving at least one descriptor based on color information and color interrelation information for at least one region of the image, the descriptor having at least one descriptor ele...
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JP2013004999A |
To more preferably perform restoration processing of a color component.In order to restore and display a color component of an input video signal, a video display device comprises: a video processing unit that inputs the input video sign...
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JP5106408B2 |
A video encoding method and apparatus, in which a video signal consisting of two or more signal elements is targeted to be encoded, includes a setting of a downsampling ratio is set for a specific signal element in a frame, in accordance...
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JP5108514B2 |
The inventive method makes it possible to reduce the size of a digital audio, image and/or video file in such a way that a reduced number of representative data needed for reformatting a file is transmitted to a receiving entity encoder....
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JP5096247B2 |
To eliminate a signal deviation that occurs when scaling processing is performed on image data including multiple signals having different, data rates, there is provided an image processing apparatus which performs scaling processing on ...
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JP5089493B2 |
To make it possible to appropriately display a three-dimensional video by only connecting a transmission apparatus and a reception apparatus using transport route of general use interface standards. A digital video data transmission appa...
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JP5074101B2 |
A multispectral image processing device of the present invention comprising: a base image conversion unit 6, which expands an input multiband image of a subject based on a base vector to convert it into a base image; a base vector calcul...
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JP5051087B2 |
In a lossiess compression-encoding device, a differential coding part calculates a prediction value of data to be compressed, and calculates a prediction error that is a difference between the prediction value and an actual value of the ...
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JP5051554B2 |
Apparatus for developing synchronization of an intermediate layer of signal such as the transport or multiplex layer of a multi-layered compressed video signal, includes at the encoding end of the system a modulo K counter (23) which is ...
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JP5045119B2 |
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JP5044285B2 |
Data elements, preferably representative of video data, are logically divided into blocks. In a bit-wise fashion, each block is inspected to determine whether the data elements for that block may be represented in a highly compact format...
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JP5041626B2 |
A slice decoder control circuit (46), having received the input of a parameter of a picture layer, sequentially supplies the parameter of the picture layer and the write pointer of a slice 1 to a slice decoder (47), the parameter of the ...
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JP5041969B2 |
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JP5039545B2 |
A method of improving run length video encoding commands is described in which all compression commands that require a current pixel value to be compared to a previously sent pixel value to determine whether compression can take place in...
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JP2012186853A |
To provide an electronic watermarking scheme for digital video.Data to be impressed upon the average value of a chrominance portion of a block is replicated at least once. The original and each replica are impressed on blocks in the same...
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JP5034388B2 |
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JP5026092B2 |
Encoding and decoding are uniformly carried out for a plurality of chroma formats. Based on a control signal for providing a chroma format type of an input moving image signal, in the case of a chroma format of 4:2:0 or 4:2:2, a first in...
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JP5023421B2 |
To realize a signal transmission system adopting the DVI(Digital Visual Interface) standards that can transmit an audio signal together with a video signal. A multiplexer section 102 of the signal transmitter of this invention multiplexe...
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JP5021158B2 |
Methods and apparatus for spectrally-encoding plural source images (11-1...11-N) and for providing the spectrally-encoded plural source images in a composite image, for rendering the composite image in a physical form, or for recovering ...
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JP5012493B2 |
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JP5006835B2 |
An error reduction apparatus includes a combing absence detector to detect absence of combing from a luminance signal, a combing presence detector to detect presence of combing from a color-difference signal, a vertical low-pass filter t...
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JP5003620B2 |
A signal processing apparatus converts interlaced 4 : 2 : 2-format video signals including a luminance component and two chroma components into interlaced 4:2:0 format video signals. A downsampling low-pass filter has such a group delay ...
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JP5003443B2 |
An image processing device that processes input image data includes: an image dividing unit that divides the input image data into a plurality of blocks; an image type determining unit that determines the type of the input image data for...
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JP4995077B2 |
A memory efficient providing LC overdrive for sticky pixels at a frame n-1 for a current frame n based upon sticky pixel data associated with a frame n-2.
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JP4996725B2 |
Even when an OSD video signal is superimposed on a video signal, deterioration in the frequency characteristic or in gradation of the video or OSD video signal superimposed on it is minimized. A graphic image is represented by a video si...
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JP4997172B2 |
To provide an image signal processing device and method of converting a precise image of a single plate color system to a broadcasting sub-image having a low resolution, and also to provide a program therefor. An image signal processing ...
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JP4997167B2 |
To provide an image signal processing apparatus, method and program, for converting the high resolution image of an optional video format to a plurality of sub images. The image signal processing apparatus 1 includes: a first division me...
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JP4989470B2 |
Strategies are described for processing image information in a linear form to reduce the amount of artifacts (compared to processing the data in nonlinear form). Exemplary types of processing operations can include, scaling, compositing,...
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JP4991103B2 |
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JP4991851B2 |
A highly accurate reproduction of visual intensity and contrast rather than the conventional 8-bit color depth is more and more used, motivating the development of an enhanced dynamic range called high bit-depth. A method for encoding a ...
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JP4983908B2 |
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JP4983907B2 |
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JP4979039B2 |
Apparatus for developing synchronization of an intermediate layer of signal such as the transport or multiplex layer of a multi-layered compressed video signal, includes at the encoding end of the system a modulo K counter (23) which is ...
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