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Encoding

Encoding-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Communication apparatus and method using random access procedure
Korea Advanced Institute Of Science And Technology
August 10, 2017 - N°20170231012

User equipment (ue) that includes a processor and that executes a random access procedure with a base station (e-utran node b (enodeb), also known as evolved node b) is provided. The ue can at least temporarily be embodied by the processor. The ue may comprise: a determination unit for determining a message size that can be transmitted and that corresponds ...
Methods and apparatuses for performing entropy encoding and entropy decoding with size determination of at ...
Mediatek Inc.
August 10, 2017 - N°20170230691

An entropy encoder includes an entropy encoding circuit and a size determining circuit. The entropy encoding circuit receives symbols of a pixel group, and entropy encodes data derived from the symbols of the pixel group to generate a bitstream segment which is composed of a first bitstream portion and a second bitstream portion. The first bitstream portion contains encoded magnitude ...
Error-resilient coder of image sequences and video
Primacomp, Inc.
August 10, 2017 - N°20170230690

A method, computer system, and a computer program product is disclosed for encoding a sequence of frames as one or more compressed bitstreams, the method includes a processor obtaining a sequence of frames in an order and performing a wavelet transform on each frame of the sequence of frames independently in the order. The processor constructs a significant points list ...
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Image encoding and decoding method, image encoding and decoding device, and corresponding computer programs
Orange
August 10, 2017 - N°20170230688

A method is provided for encoding at least one image cut into blocks. The method includes, for a current block having k pixels to be encoded, wherein k>1, acts including: predicting the current block using at least one predictive block having k pixels; then determining a residual block having k pixels and representing the difference between the predictive ...
Video-encoding method and video-encoding apparatus based on encoding units determined in accordance with a tree ...
Samsung Electronics Co., Ltd.
August 10, 2017 - N°20170230686

Provided are a method and apparatus for encoding a video and a method and apparatus for decoding a video. The encoding method includes: splitting a picture of the video into one or more maximum coding units that are coding units having a maximum size; encoding the picture based on coding units according to depths which are obtained by hierarchically splitting ...
Methods, devices, and computer programs for combining the use of intra-layer prediction and inter-layer prediction ...
Canon Kabushiki Kaisha
August 10, 2017 - N°20170230685

The present invention relates to encoding an image of a video stream according to at least one coding mode selected among a plurality of coding modes used to encode images of the video stream, where blocks of the image to be encoded are predicted as a function of at least one reference image from a set of at least one ...
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Encoding Patent Applications
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Methods and systems for estimating motion in multimedia pictures
Texas Instruments Incorporated
August 10, 2017 - N°20170230680

Several methods and systems for estimating motion in a plurality of multimedia pictures are disclosed. In an embodiment, at least one temporal distance between a multimedia picture and one or more reference pictures corresponding to the multimedia picture in a capture order associated with the plurality of multimedia pictures is computed. The at least one temporal distance is computed subsequent ...
Image encoding method, image decoding method, image encoding device, image decoding device, and image encoding/...
Sun Patent Trust
August 10, 2017 - N°20170230679

An image encoding method includes: determining whether a current picture is a tsa picture or a trailing picture; and encoding a plurality of pictures according to whether the current picture is the tsa picture or a trailing picture. The determining includes: determining the current picture to be the tsa picture when the current picture does not belong to the highest ...
System for efficient video transcoding based on encoder decisions extraction
Agora Creative Solutions Inc.
August 10, 2017 - N°20170230676

A method and apparatus of a system for efficient video transcoding based on encoder decisions extraction. In one embodiment, the method comprises removal of “residual data” thus extraction of “encoding decisions” en from coded video content cn at resolution sn, rate bn that was originally constructed by decoding content c0 at resolution ...
Image encoding apparatus, method and imaging apparatus
Canon Kabushiki Kaisha
August 10, 2017 - N°20170230674

The present invention can generate lines whose spatial correlation is high from a bayer array imaging element, and can raise the coding efficiency of a captured image thereby. A read out controller reads two lines of pixel data from the bayer array imaging element, generates two new lines by sorting, in accordance with a rule set in advance, pixel data ...
Video encoding and decoding method using an intra prediction
Sk Telecom Co., Ltd.
August 10, 2017 - N°20170230671

A method performed by an apparatus for intra-predicting a current block in the unit of subblocks, comprises: determining an intra prediction mode of the current block among a plurality of intra prediction modes; identifying the subblocks split from the current block; and sequentially reconstructing the identified subblocks using an intra prediction mode identical to the determined intra prediction mode of ...
Video encoding and decoding method using an intra prediction
Sk Telecom Co., Ltd.
August 10, 2017 - N°20170230670

A method performed by an apparatus for intra-predicting a current block in the unit of subblocks, comprises: determining an intra prediction mode of the current block among a plurality of intra prediction modes; identifying the subblocks split from the current block; and sequentially reconstructing the identified subblocks using an intra prediction mode identical to the determined intra prediction mode of ...
Video encoding and decoding method
Industry-university Cooperation Foundation Hanyang University
August 10, 2017 - N°20170230669

Disclosed are a method and apparatus for improving the accuracy of intra-prediction in order to improve encoding and decoding efficiency. The video decoding method may improve the prediction efficiency for the current pixel to be predicted by referring to the degree of variation in surrounding pixels, to thereby effectively decode the bit stream with improved encoding efficiency. In addition, an ...
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Encoder optimizations for palette lossless encoding of content with subsampled colour component
Canon Kabushiki Kaisha
August 10, 2017 - N°20170230667

The invention relates to lossless encoding of pixel blocks. To apply the palette coding mode, an input 4:2:0 block is up-sampled into a 4:4:4 block. Each 4:4:4 pixel is usually lossless encoded using a fully matching entry from the palette, thus being sub-optimal in terms of rate. This is mainly because lossless encoding is still used even for chromas that have no impact ...
Method and apparatus for hierarchical data unit-based video encoding and decoding comprising quantization parameter prediction
Samsung Electronics Co., Ltd.
August 10, 2017 - N°20170230660

A method of decoding a video includes determining an initial value of a quantization parameter (qp) used to perform inverse quantization on coding units included in a slice segment, based on syntax obtained from a bitstream; determining a slice-level initial qp for predicting the qp used to perform inverse quantization on the coding units included in the slice segment, based ...
Sample adaptive offset systems and methods
Apple Inc.
August 10, 2017 - N°20170230656

Systems and methods for improving operation of a video encoding pipeline, which includes a sample adaptive offset block that selects an offset sample from image data corresponding with a coding unit; determines edge offset parameters including a first mapping of an edge classification to an edge offset value and band offset parameters including a second mapping of a band classification ...
Systems and methods for encoding alternative streams of video for use in adaptive bitrate streaming
Sonic Ip, Inc.
August 10, 2017 - N°20170230655

Systems and methods for encoding alternative streams for use in adaptive bitrate streaming based upon the delay of each stream in accordance with embodiments of the invention are described. One embodiment of the invention includes memory, and a processor configured by a source encoding application to: receive multimedia content, where the multimedia content includes source video data having a primary ...
Generation and encoding of residual integral images
Orange
August 10, 2017 - N°20170230654

The invention concerns the encoding of at least one current integral image (iij) captured by an image capture device, comprising the steps consisting of: —decomposing (c1) the current integral image into at least one frame (vu) representing a given perspective of a scene and, from at least one image capturing parameter associated with the image capture device, —encoding (...
Adaptive resolution encoding for streaming data
Orange
August 10, 2017 - N°20170230612

A file format spreads information about individual video frames over a period of time, front loading low resolution data to provide sufficient information for a low resolution playback when only a subset of the complete data file has been received. A delivery protocol corresponding to the file format delivers a stream front loaded with low resolution data. The protocol allows ...
Methods and systems for encoding/decoding files and transmissions thereof
Orange
August 10, 2017 - N°20170230485

In one embodiment, the instant invention includes a computer system that includes at least the following components: a) a first computer that performs, in concurrent manner, at least the following tasks: dividing a computer file into a plurality of segments, compressing segments, and sending the compressed segments to a second computer over a network; b) the second computer that performs, ...
Systems and methods for video-conference network system suitable for scalable, automatable, private tele-consultation service
Instamedica Inc.
August 10, 2017 - N°20170230432

A multi-party conference system for multi-media multi-party conference communication, includes one or more multi-media encoding/decoding modules to support processing/transcoding multi-media text/file/audio/video for conferencing communication; code for retrieving a plurality of communication attributes for a peer client used by a user to log in and stay present, wherein said client program is an end-user program or ...
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