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9042442 Image encoding and decoding apparatus and method  
An image encoding and decoding apparatus and method, the image encoding and decoding apparatus includes: an encoding unit adjusting at least one weight value adaptively to the number of bits...
9042449 Systems and methods for dynamic transcoding of indexed media file formats  
Methods and systems for transcoding from an input media stream to an output media stream, wherein the input media stream and the output media stream are in an indexed file format. The methods and...
9042680 Temporal video interpolation method with 2-frame occlusion handling  
A direction of regularity, which minimizes a directional energy computed from pixel values of consecutive first and second frames of an input video sequence, is respectively associated with each...
9042443 Image encoding and decoding apparatus and method  
An image encoding and decoding apparatus and method, the image encoding and decoding apparatus includes: an encoding unit adjusting at least one weight value adaptively to the number of bits...
9042669 Method and apparatus to prioritize video information during coding and decoding  
A method and apparatus prioritizing video information during coding and decoding. Video information is received and an element of the video information, such as a visual object, video object...
9042448 Moving picture encoding system, moving picture encoding method, moving picture encoding program, moving picture decoding system, moving picture decoding method, moving picture decoding program, moving picture reencoding sytem, moving picture reencoding method, and moving picture reencoding program  
A first super-resolution enlarger 103 works on moving pictures input with a standard resolution, implementing a process for a super-resolution enlargement including information on frequency...
9036713 Image encoding device, image decoding device, image encoding method, and image decoding method  
An image encoding device include a predicting unit for adaptively determining the size of each motion prediction unit block according to color component signals, and for dividing each motion...
9036695 Motion-compensated temporal filtering based on variable filter parameters  
Systems and devices for, and methods of, motion-compensated temporal filtering based on variable filter parameters. A method embodiment includes (a) determining, by a processor having memory, a...
9036710 Unified transform coefficient encoding and decoding  
Methods and devices for reconstructing coefficient levels from a bitstream of encoded video data for a coefficient group in a transform unit, using adaptive-threshold-based level coding. Threshold...
9036702 Method and apparatus for image encoding using hold-MBs, and method and apparatus for image decoding using hold-MBs  
In video/image coding, macroblocks (MBs) are often intra coded in raster scan order, starting from one seed MB. The invention improves intra prediction for optimized usage of multi-core...
9036709 Apparatus for decoding motion information in merge mode  
Disclosed is an apparatus for decoding motion information in merge mode. The apparatus for decoding motion information in merge mode discloses a merge mode motion vector decoding unit configured...
9036693 Method and system for providing region-of-interest video compression  
Embodiments of the present invention provide for a region-of-interest compression methodology wherein a variety of encoders may be utilized to perform video compression on a plurality of filtered...
9035991 Collaboration system and method  
A network apparatus in a collaboration system with a plurality of participants, the apparatus comprising: a processing structure; and a memory including computer program code, wherein the memory...
9036703 Method and apparatus for encoding video, and method and apparatus for decoding video  
An apparatus of decoding image includes an entropy decoder which extracts information that indicates an intra prediction mode applied to a current block to be decoded, from a bitstream, a...
9031130 Image prediction/encoding device, image prediction/encoding method, image prediction/encoding program, image prediction/decoding device, image prediction/decoding method, and image prediction decoding program  
An objective is to provide an image predictive encoding device, image predictive encoding method, image predictive encoding program, image predictive decoding device, image predictive decoding...
9031129 Joint spatio-temporal prediction for video coding  
Systems and methods are described for joint spatio-temporal prediction (JSTP) during video coding. A given block of pixels is simultaneously predicted via inter frame prediction and intra frame...
9025669 Apparatus for decoding motion information in merge mode  
Disclosed is an apparatus for decoding motion information in merge mode. The apparatus for decoding motion information in merge mode discloses a merge mode motion vector decoding unit configured...
9025660 Video decoder with general video decoding device and methods for use therewith  
A video decoder includes an entropy decoding device that includes a first processor that generates entropy decoded (EDC) data from an encoded video signal. A general video decoding device includes...
9025665 Video encoder bit estimator for macroblock encoding  
A video transmission system includes an encoder to receive video images, and encode them for transfer to a decoder. The video images include macroblocks having data that are encoded according to a...
9025668 Apparatus for decoding motion information in merge mode  
Disclosed is an apparatus for decoding motion information in merge mode for reconstructing a moving picture signal coded at a low data rate while maintaining a high quality of an image. The...
9025662 Image decoding apparatus  
A method for encoding an intra prediction mode according to the present invention selects an intra prediction mode for a current block, determines the number of valid MPM candidates by checking...
9025661 Indicating intra-prediction mode selection for video coding  
For a block of video data, a video encoder can signal to a video decoder a selected intra-prediction mode using a codeword that is mapped to a modified intra-prediction mode index. The video...
9025663 Method and apparatus for encoding intra prediction information  
A method for encoding an intra prediction mode according to the present invention selects an intra prediction mode for a current block, determines the number of valid MPM candidates by checking...
9020031 Method and apparatus for decoding intra prediction mode  
An intra prediction mode decoding method includes reconstructing an intra prediction mode group indicator and a prediction mode index, constructing an MPM group including three intra prediction...
9020294 Spatiotemporal metrics for rate distortion optimization  
Spatial and temporal metrics are computed for a picture or regions within a picture to determine the impact of coding and quantization on the quality of an encoded picture. Prediction mode...
9014265 Video coding using edge detection and block partitioning for intra prediction  
Embodiments of apparatuses and methods for encoding and decoding a video image having a plurality of frames are disclosed. In particular, intra frame encoding of a frame of the video image is...
9008180 Method and apparatus for encoding/decoding images using a prediction method adopting in-loop filtering  
Disclosed is a prediction method adopting in-loop filtering. According to the present invention, a prediction method for encoding and decoding video comprises the following steps: generating a...
9008173 Image encoding and decoding apparatuses, image encoding and decoding methods, programs thereof, and recording media recorded with the programs  
A method for encoding an image using an intraframe prediction is provided which includes selecting a gradient of a pixel value that is indicated by an image signal to be predicted among a...
9008177 Selective mirroring of media output  
According to some aspects, this disclosure describes techniques for mirroring native media output of a source device via a different destination device. According to the techniques described...
9008176 Combined reference picture list construction for video coding  
This disclosure relates to techniques for constructing a combined reference picture list, List C, based on List 0 and List 1, used for uni-directional prediction of video blocks in any direction....
9008175 Intra smoothing filter for video coding  
This disclosure relates to techniques for reducing the amount of additional data encoded with a block encoded using intra-predictive coding. Particularly, the techniques provide apparatus and...
9008179 Encoding of prediction residuals for lossless video coding  
An apparatus used in video encoding comprising a processor configured to generate a prediction block for a current block, compute a difference between the current block and the prediction block to...
9008178 Method for decoding a stream of coded data representative of a sequence of images and method for coding a sequence of images  
A method for decoding a stream of coded data representative of a sequence of images is disclosed. The decoding method comprises: determining a prediction block,calculating the average of said...
9008174 Methods and apparatus for illumination compensation of intra-predicted video  
There are provided methods and apparatus for illumination compensation of intra-predicted video. An apparatus includes an encoder for encoding a picture using non-local intra prediction. The...
9001897 Video quality estimation apparatus, video quality estimation method, and program  
This invention provides a video quality estimation apparatus (1) including a packet analysis unit (10) that derives the bit rate of an encoded video packet contained in an input packet, and the...
9002124 Moving picture coding method and moving picture decoding method  
According to a picture coding method, a coded picture is stored, as a reference picture, into a storage unit; commands indicating correspondence between reference pictures and reference indices...
9001890 Method and apparatus for video intraprediction encoding and decoding  
A method and apparatus for video intraprediction encoding and decoding are provided. The method includes dividing an input block into at least two areas; performing intraprediction on pixels of a...
9001891 Moving picture coding apparatus and moving picture decoding apparatus  
A video encoder (70) for coding moving pictures comprising a buffer (16c) with a plurality of memory areas capable of storing frames composed of top fields and bottom fields, a motion estimation...
8995525 Bit-depth scalability  
To increase efficiency of a bit-depth scalable data-stream an inter-layer prediction is obtained by mapping samples of the representation of the picture or video source data with a first picture...
8995530 Moving image decoding apparatus, moving image coding apparatus, moving image decoding circuit, and moving image decoding method  
A moving image decoding apparatus which enables reduction in the memory bandwidth and the memory access latency for the motion compensation filter coefficients for use in inter-picture prediction...
8995529 Method and apparatus for encoding and decoding motion vector by predicting motion vector according to mode  
Provided are methods and apparatuses for encoding and decoding a motion vector. The method of encoding a motion vector includes: selecting a mode from among a first mode in which information...
8995523 Memory efficient context modeling  
In an example, aspects of this disclosure relate to a method of coding video data that includes determining context information for a block of video data, where the block is included within a...
8989269 Motion vector extraction method and apparatus  
A motion vector extraction method includes: deciding on a search start position in an original video and performing a spiral motion search; and determining whether or not to perform a search in a...
8989266 Method and apparatus for encoding video, and method and apparatus for decoding video  
Disclosed are a method and a apparatus for encoding a video, and a method and apparatus for decoding a video, in which neighboring pixels used to perform intra prediction on a current block to be...
8988486 Adaptive video communication channel  
A videoconference system includes a plurality of computers associated with the system to collectively send and receive video data streams. A video encoding program is stored in a memory and is...
8989265 Method for modeling coding information of video signal for compressing/decompressing coding information  
A method for context-modeling coding information of a video signal for compressing or decompressing the coding information is provided. An initial value of a function for probability coding of...
8989275 Video processing architecture  
A method for video processing may include receiving video data units, and compressing the video data units to generate compressed video data units that have a variable size. The method may also...
8989267 High dynamic range codecs  
A method for encoding high dynamic range (HDR) images involves providing a lower dynamic range (LDR) image, generating a prediction function for estimating the values for pixels in the HDR image...
8989264 Moving picture coding apparatus and moving picture decoding apparatus  
A video encoder (70) for coding moving pictures comprising a buffer (16c) with a plurality of memory areas capable of storing frames composed of top fields and bottom fields, a motion estimation...
8989271 Decoding method and apparatus with candidate motion vectors  
A moving picture coding apparatus includes: a motion vector predictor candidate calculation unit which calculates motion vector predictor candidates and the number of motion vector predictor...