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Pulse Or Digital Communications > Bandwidth Reduction Or Expansion > Television Or Motion Video Signal > Adaptive

Adaptive

Adaptive patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

08/21/14 - 20140233630 - Apparatus and method for adaptive layer selection and server having the same
An apparatus and method for adaptive layer selection and a server having the same are provided. The adaptive layer selecting apparatus includes a monitoring unit monitoring a connection state of at least one channel connected through a communication network, a channel managing unit detecting available channels to be used for...

08/21/14 - 20140233631 - Adaptive coding of a prediction error in hybrid video coding
The present invention relates to a method for coding a video signal using hybrid coding, comprising: reducing temporal redundancy by block based motion compensated prediction in order to establish a prediction error signal, deciding whether to transform the prediction error signal into the frequency domain, or to maintain the prediction...

08/21/14 - 20140233632 - Adaptive coding of a prediction error in hybrid video coding
The present invention relates to a method for coding a video signal using hybrid coding, comprising: reducing temporal redundancy by block based motion compensated prediction in order to establish a prediction error signal, deciding whether to transform the prediction error signal into the frequency domain, or to maintain the prediction...

08/21/14 - 20140233633 - Method, device, and system for multiplexing of video streams
A method of reproducing at least two digital video sequences. The method includes multiplexing a first digital video sequence with a second digital video sequence, pictures of the second digital video sequence are included in advance in a video stream and are associated with timing information such that a receiver...

08/21/14 - 20140233634 - Method and device for encoding and decoding video
A method and apparatus for encoding and decoding a video are provided. The method of encoding the video includes: determining whether a unidirectional motion estimation mode and a bidirectional motion estimation mode are to be used based on a size of a current prediction unit to be encoded, performing the...

08/14/14 - 20140226711 - System and method for self-adaptive streaming of multimedia content
The embodiment provides a method for transmitting optimal video over a network channel. The method includes coding a video into a plurality of frames, estimating bandwidth associated with the network channel, and determining whether the estimated bandwidth associated with the network channel reaches a bandwidth threshold. Further, the method includes...

08/14/14 - 20140226712 - Image processing device and method
The present technique relates to an image processing device and method capable of performing an encoding process or a decoding process on an image at high speed. Similarly, arithmetic coding parameters arranged together in the syntax are subjected to a variable length (fixed length) decoding process together. Similarly, arithmetic coding...

08/14/14 - 20140226713 - System and method for selecting a video encoding format based on feedback data
A computer-implemented system and method for performing video compression are described. For example, a method according to one embodiment comprises: encoding a plurality of video frames or portions thereof according to a first encoding format; transmitting the plurality of encoded video frames or portions to a client device; receiving feedback...

08/07/14 - 20140219330 - Method and system for encoding collections of images and videos
An input segment of an input video is encoded by first extracting and storing, for each segment of previously encoded videos, a set of reference features. The set of input features are matched with each set of the reference features to produce a set of scores. The reference segments having...

08/07/14 - 20140219331 - Apparatuses and methods for performing joint rate-distortion optimization of prediction mode
Examples of apparatuses and methods for performing a joint RD optimization operation are described herein. A method may include successively encoding a macroblock using a plurality of coding modes. The method may further include determining a corresponding rate-distortion cost to encode the macroblock based on a corresponding coding mode of...

08/07/14 - 20140219332 - Virtual field buffer based decoding
Aspects of virtual field buffer based decoding are described. In one embodiment, a current picture field is read from a coded picture buffer comprising coded pictures of video, for example. The current picture may be associated with a top or bottom field polarity. According to decoding and picture output orders,...

08/07/14 - 20140219333 - Adaptive filtering for scalable video coding
In a scalable video codec, an adaptive Wiener filter with offset aims to minimize the differences between two input pictures or picture regions, and the filter coefficients need to be transmitted to decoder site....

08/07/14 - 20140219334 - Image decoding apparatus
Therefore, by causing the first group to include modes having a high possibility of being equal to the prediction mode of the current block and determining the intra prediction mode group indicator and the prediction mode index, it is possible to reduce an amount of information of the intra prediction...

08/07/14 - 20140219335 - Method and apparatus for entropy encoding using hierarchical data unit, and method and apparatus for decoding
Provided are video encoding and decoding methods and apparatuses. The video encoding method includes: encoding a video based on data units having a hierarchical structure; determining a context model used for entropy encoding a syntax element of a data unit based on at least one piece of additional information of...

08/07/14 - 20140219336 - Method and apparatus for intra prediction
Disclosed herein are a method and apparatus for filtering a reference pixel. A method of smoothing a reference pixel may include determining whether or not to perform smoothing on a reference pixel based on the size of a transform block and information about an intra-prediction mode for the transform block...

08/07/14 - 20140219337 - Method for encoding and decoding images based on constrained offset compensation and loop filter, and apparatus therefor
Provided are a method and apparatus for encoding and decoding images based on constrained offset compensation and a loop filter. The image decoding apparatus: receives, from an encoder, a first indicator indicating whether a sequence, a picture, a frame, a slice, a coding unit (CU), a prediction unit (PU), and/or...

08/07/14 - 20140219338 - Moving picture encoding method, moving picture encoding apparatus, moving picture decoding method, and moving picture decoding apparatus
Provided is a moving picture encoding apparatus and a moving picture decoding apparatus which make it possible to increase decoding efficiency. A spatially scalable-multiview moving picture encoding apparatus includes: a base layer encoder which encodes a base layer; an enhancement layer encoder which performs spatially scalable encoding on an enhancement...

07/31/14 - 20140211841 - Extension data handling
A length indicator (23) associated with an encoded representation (20) of a slice (3) is parsed. The length indicator (23) is indicative of a length of an extension field (24) present in a slice header (21) of the encoded representation (20). A decoder (40) can then determine to ignore, during...

07/31/14 - 20140211842 - Adapting robustness in video coding
An input receives a video signal comprising a plurality of frames, each comprising a plurality of image portions. Each of the image portions is encoded by an encoder, to generate an encoded signal. An adaptation module selects a respective encoding mode used to encode each of the image portions. The...

07/31/14 - 20140211843 - Moving image encoding device and moving image encoding method
According to one embodiment, a moving picture coding apparatus and a moving picture coding method capable of further improving coding efficiency, the moving picture coding apparatus comprises a controller. The controller performs control such that coded data are created using an inter-prediction structure in which the maximum number of consecutive...

07/31/14 - 20140211844 - Moving image encoding device and moving image encoding method
According to one embodiment, a moving image encoding device and a moving image encoding method improving encoding efficiency are provided. In the embodiment, moving image encoding device includes controller. The controller generates a B picture by using a GOP structure enabling reference from a reference B picture in a GOP...

07/31/14 - 20140211845 - Moving image encoding apparatus
A moving image encoding apparatus configured to use an image one frame before a target image for encoding to calculate a filtering coefficient for each intra prediction mode of a decoded image from the decoded image and the original image, extracts a filtering coefficient to perform a filtering process to...

07/31/14 - 20140211846 - Cross-channel residual prediction
Systems, apparatus and methods are described including determining a prediction residual for a channel of video data; and determining, using the first channel's prediction residual, a prediction residual for a second channel of the video data. Further, a prediction residual for a third channel of the video data may be...

07/31/14 - 20140211847 - Video encoding system and method
A video processing method for a video image consisting of a plurality of units includes: generating a plurality of information types of at least a first unit and a second unit neighbouring the first unit; and storing the plurality of information types of the first unit in a first continuous...

07/31/14 - 20140211848 - Method and apparatus for reduction of deblocking filter
A method and apparatus for deblocking of reconstructed video are disclosed. In one embodiment, the method divides a block boundary into two sub-boundaries and separates lines or column across the sub-boundaries into two groups. The deblocking filter decision for each group is determined based on the lines or columns in...

07/24/14 - 20140204995 - Efficient region of interest detection
An apparatus having a circuit is disclosed. The circuit may be configured to (i) calculate a plurality of complexity values while compressing a current picture in a video signal. Each complexity value generally characterizes how a corresponding one of a plurality of blocks in the current picture was compressed. The...

07/24/14 - 20140204996 - Adaptive noise reduction engine for streaming video
An adaptive video noise reduction (AVNR) engine reduces noise in streaming video. The engine reads embedded information in the streaming video describing attributes of the video, such as bit rate, frame rate, resolution, content type and quality of the streaming video. The information may be included in a manifest of...

07/24/14 - 20140204997 - Soft demapper, calculating system, and method for calibrating soft data of multimedia data stream
By determining a scaling factor for scaling signals according to a signal having low bit error rates, and by adjusting soft data using the scaling factor, when soft data are simulated using the Gaussian Model having obvious errors with respect to reality, impacts of signals having low bit error rates...

07/24/14 - 20140204998 - Image encoding/decoding method and apparatus for same
According to the present invention, an image encoding/decoding method comprises the steps of: performing an intra prediction on a current block so as to generate a prediction block; performing filtering on a filtering target pixel in the prediction block on the basis of the intra prediction mode of the current...

07/24/14 - 20140204999 - Method and apparatus for encoding/decoding image information
The present invention relates to a deblocking filtering method, a method for inducing bs (boundary strength) therefor, and a method and an apparatus for encoding/decoding using the same. The method for inducing the bS of the present invention comprises the steps of: inducing a boundary of a deblocking filtering unit...

07/24/14 - 20140205000 - Image encoding/decoding method and apparatus for same
According to the present invention, an image encoding/decoding method comprises the steps of: performing an intra prediction on a current block so as to generate a prediction block; performing filtering on a filtering target pixel in the prediction block on the basis of the intra prediction mode of the current...

07/24/14 - 20140205001 - Adaptive weighting of reference pictures in video encoding
A video decoder, encoder, and corresponding methods for processing video data for an image block and a particular reference picture index to predict the image block are disclosed that utilize adaptive weighting of reference pictures to enhance video compression, where a decoder includes a reference picture weighting factor unit for...

07/17/14 - 20140198839 - Low latency sub-frame level video decoding
A method includes transmitting encoded video data related to video frames of a video stream from a source to a client device through a network such that a packet of the encoded video data is limited to including data associated with one portion of a video frame. The video frame...

07/17/14 - 20140198840 - Method and apparatus for adaptive loop filter with constrained filter coefficients
Methods and apparatuses for processing of coded video using ALF are disclosed. Embodiments according to the present invention apply ALF with constrained data range to reconstructed video data. The ALF parameters comprise a center coefficient, one or more non-center coefficients, and an offset term. As an example, the constrained data...

07/10/14 - 20140192858 - Jctvc-l0226: vps and vps_extension updates
The VPS and vps_extension( ) syntax structures are updated with some cleanups for the HEVC Extensions in scalable video coding, multi-view coding and 3D video coding areas. In addition, four options of adding syntaxes to support mixed video sequences in various layers for the VPS extension are described....

07/10/14 - 20140192859 - Jctvc-l0227: vps_extension with updates of profile-tier-level syntax structure
The profile_tier_level syntax structure of a High Efficiency Video Coding (HEVC) syntax structure is updated to provide more flexibility for use in the vps_extension( ) syntax structure for use in each layer or operating point. A new flag ‘LevelPresentFlag’ is added in profile_tier_level syntax structure to support the variance of...

07/10/14 - 20140192860 - Method, device, computer program, and information storage means for encoding or decoding a scalable video sequence
wherein at least one flag in the bit-stream indicates that part or all of the second SAO parameters are inferred from the first SAO parameters...

07/10/14 - 20140192861 - Method and apparatus for reordered binarization of syntax elements in cabac
A method and apparatus of context-based adaptive binary arithmetic encoding/decoding for syntax elements of one or more blocks are disclosed. According to one embodiment of the present invention, the binarization results of the x and y positions of the last significant coefficient of a transform unit are reordered by collecting...

07/03/14 - 20140185664 - Inter-layer prediction using sample-adaptive adjustments for bit depth scalable video coding
An apparatus for coding video data according to certain aspects includes a memory unit and a processor in communication with the memory unit. The memory unit stores video data. The video data may include a base layer comprising samples with a lower bit depth and an enhancement layer comprising samples...

07/03/14 - 20140185665 - High-frequency-pass sample adaptive offset in video coding
This disclosure presents techniques for sample adaptive offset (SAO) filtering that focus on filtering the changed region of a picture or layer (e.g., the high frequency component of video blocks of a picture or layer). In general, the techniques of this disclosure may be referred to as High-Frequency-Pass SAO (HSAO)...

07/03/14 - 20140185666 - Apparatus and method for moving image encoding and apparatus and method for moving image decoding
According to certain embodiment, there is provided a moving image encoding apparatus in which a first encoding unit performs a first encoding process on an input image to generate first encoded data and to perform a first decoding process on the first encoded data to generate a first decoded image,...

06/26/14 - 20140177701 - System and method for time budget achievement in real-time video encoding
A method and apparatus for encoding video is provided. A pre-analysis processor processes unencoded video data formed from a series of video pictures into respective video segments. An allocation processor allocates a first encoding time budget to a respective video segment respective video segment based on a size of the...

06/26/14 - 20140177702 - Constant quality video encoding
In embodiments, the sets of encoding control variable settings may be selected based on quality of the encoded video and/or audio data. Instances of video and/or audio data encoded with different sets may be compared to the data from which they were generated to determine one or more quality metrics....

06/26/14 - 20140177703 - Methods and systems for quality controlled encoding
This disclosure describes techniques for controlling a perceived quality of multimedia sequences to try to achieve a desired constant perceptual quality regardless of the content of the sequences. In particular, an encoding device may implement quality control techniques to associate a sequence segment with a content “class” based on the...

06/26/14 - 20140177704 - Multi-type parallelized sample adaptive offset in video coding
In general, techniques are described for performing multiple passes of sample adaptive offset (SAO) filtering when coding video data. A video decoding device comprising one or more processors may perform the techniques. The processors may determine a first SAO pixel classification for a block of video data and determine a...

06/26/14 - 20140177705 - Picture coding and decoding apparatuses and methods performing variable length coding and decoding on a slice header stream and arithmetic coding and decoding on a slice data stream
A frame coding unit generates individual picture signal information from a moving picture signal, and outputs a frame code value which is a numeric value to be obtained as a result of coding picture signal information of each frame. A variable length coding unit decomposes the frame code value into...

06/19/14 - 20140169446 - Adaptive decoding system
A method, system, and computer program product for adaptive decoding is provided herein. The method includes the steps of receiving a video bitstream, selecting an initial extraction level, and switching to a lower quality extraction level if a decoding rate is less than a rate at which data extracted from...

06/19/14 - 20140169447 - Combination hevc deblocker/sao filter
Systems and methods are provided that allow a deblocking filter and a sample adaptive offset (SAO) filter to be combined in a loop filter stage of a High Efficiency Video Coding (HEVC) decoder. In combining the deblocking filter and the SAO filter, an intermediate buffer may not be utilized, while...

06/19/14 - 20140169448 - Low-delay buffering model in video coding
Techniques for low-delay buffering in a video coding process are disclosed. Video decoding techniques may include receiving a first decoded picture buffer (DPB) output delay and a second DPB output delay for a decoded picture, determining, for the decoded picture, a first DPB output time using the first DPB output...

06/19/14 - 20140169449 - Reference picture management for layered video
An encoded representation (60) of a picture (10) of a video stream (1) is decoded by retrieving buffer description information defining at least one reference picture (40, 42). The buffer description information is used to determine a picture identifier of a reference picture (40, 42), which is compared to picture...

06/19/14 - 20140169450 - Methods and apparatuses for encoding and decoding video using periodic buffer description
A method of encoding video including: writing a plurality of predetermined buffer descriptions into a sequence parameter set of a coded video bitstream; writing a plurality of updating parameters into a slice header of the coded video bitstream for selecting and modifying one buffer description out of the plurality of...