Sharp Kabushiki Kaisha Corporation

Sharp Laboratories of America, Inc

Dolby International Ab

Huawei Technologies Co., Limited

Fg Innovation Company Limited

Velos Media, LLC

Dolby Laboratories Licensing Corporation

Dobly International Ab

Sachin G Deshpande

Christopher A Segall

Kiran Mukesh Misra

Jonatan Samuelsson

Louis Joseph Kerofsky

Jie Zhao

Sheau Ng

Frank Bossen

Tomohiro Ikai

Ahmed Cheikh Sidiya

Byeongdoo Choi

Yukinobu Yasugi

Wenjun Zeng

Jeonghun Noh

Tomoko Aono

Tomoyuki Yamamoto

Takeshi Tsukuba

Petrus J L Van Beek

Eiichi Sasaki

Takeshi Chujoh

Weijia Zhu

Philip Cowan

Hao Pan

Atsushi Ishii

M Ibrahim Sezan

Jon Arthur Fairhurst

Renjit Tom Thomas

John Thomas

Mehmet Umut Demircin

Michael Douglas Baker

Tianying Ji

Jonatan Alfred Samuelsson-Allendes

Jonatan Alfred Samuelsson-allendes

Peter T Moser

Byeong-Doo Choi

Byeong-doo Choi

Quan Li

Cuong Vu

Yanzhi Wang

Christopher Andrew Segall

Kiran  Misra

Kiran Misra

A device may be configured to signal network abstraction layer unit information according to one or more of the techniques described herein.

Systems and methods for signaling network abstraction layer unit information in video coding

This disclosure relates to video coding and more particularly to techniques for signaling picture information in a slice header for coded video. According to an aspect of an invention, a first flag syntax element specifying whether a picture header is present in a slice header is parsed; a second flag syntax element, specifying a luma mapping is used for a current slice or a luma mapping with a chroma scalling is not used for a current slice, and a third flag syntax element, specifying whether a scaling information for the current slice is derived, are parsed based on the first flag syntax element.

Systems and methods for signaling picture information in a slice header in video coding

A device may be configured to perform frame rate upsampling based on information included in a neural network post-filter characteristics message. In one example, the neural network post-filter characteristics message includes a syntax element specifying a number of input pictures to be used as input for a neural network post-filter picture interpolation process and a syntax element having a value specifying a manner in which input pictures are concatenated before being input into the neural network post-filter picture interpolation process.

Systems and methods for signaling neural network post-filter frame rate upsampling information in video coding

This disclosure relates to video coding and more particularly to techniques for signaling picture information for coded video. According to an aspect of an invention, first syntax element specifying an index corresponding to a collocated picture used for temporal motion vector prediction is parsed from a picture header in a case that both (a) first flag indicating whether temporal motion vector predictor can be enabled for a picture associated with the picture header and (b) second flag indicating information associated with reference picture list are equal to 1.

Systems and methods for signaling picture information in video coding

This disclosure relates to video coding and more particularly to techniques for signaling subpicture information for coded video. In one example, a method of decoding video data comprises: receiving a general constraint information syntax elements; parsing a first syntax element from the general constraint information syntax elements specifying whether a constraint is imposed on the number of slices that being contained in each subpicture; receiving a picture parameter set syntax elements; and parsing a second syntax element from the picture parameter set syntax elements specifying that each subpicture contains one and only one slice, wherein a value of the second syntax element is constrained according to the first syntax element parsed from the general constraint information syntax elements.

Systems and methods for signaling subpicture information in video coding

A device may be configured to determine motion compensation interpolation filter. The device may be configured to select a motion compensation interpolation filter based on whether a block is predicted using uni-prediction or bi-prediction. The motion compensation interpolation filter may be defined according to cos-windowed sinc function.

Systems and methods for performing motion compensation for bi-prediction in video coding

A device may be configured to perform filtering based on information included in a neural network post-filter characteristics message. In one example, the neural network post-filter characteristics message includes a syntax element indicating auxiliary input data is present in an input tensor of the neural network post-filter. The device may derive a filtering strength control value array where each entry in the array is based on a quantization parameter of a respective input picture for the neural network post-filter.

Systems and methods for signaling neural network post-filter filter strength control information in video coding

A system for retrieving watermark associated recovery data information.

Receiving device, signaling device, and method for receiving recovery file information

A device may be configured to perform filtering based on information included in a neural network post-filter characteristics message. In one example, the neural network post-filter characteristics message includes a syntax element indicating whether a purpose of a neural network post-filter is specified by an application. In one example, the neural network post-filter characteristics message includes a syntax element specifying a universal resource identifier indicating an application specified purpose.

Systems and methods for signaling neural network post-filter application specific purpose information in video coding

A device for deriving prediction sample values for encoding data is provided. The device includes one or more processors, and one or more non-transitory computer-readable media coupled to the one or more processors and storing one or more computer-executable instructions. When the computer-executable instructions are executed by at least one of the one or more processors, the computer-executable instructions cause the device to encode a reference wraparound offset syntax specifying an offset used for computing a horizontal wrap-around position, to derive a luma location based on a product of a value of the reference wraparound offset syntax and a minimum coding block size, and to derive a predicted luma sample value by using the luma location. A maximum value of the reference wraparound offset syntax is determined based on a quotient obtained by dividing a width of each decoded picture by the minimum coding block size.

Systems and methods for reference offset signaling in video coding

A device may be configured to signal level information according to one or more of the techniques described herein.

Systems and methods for signaling level information in video coding

This disclosure relates to video coding and more particularly to techniques for signaling picture information for coded video. A method for the techniques comprises: receiving a slice header syntax structure; determining whether the slice header syntax structure includes a picture header syntax structure; and in a case where the slice header syntax structure includes the picture header syntax structure, parsing a first syntax element specifying a picture parameter set identifier from the picture header syntax structure and parsing a second syntax element specifying a picture order count from the picture header syntax structure.

A device may be configured to determine a scaling factor corresponding to down sampling between a reference picture and a current picture. The device may be configured to select a motion compensation interpolation filter based on a value of the scaling factor being a range, wherein the selected motion compensation interpolation filter coefficients are based on a kaiser window having a beta derived from a scaling factor within the range.

Systems and methods for performing motion compensation in video coding

A method for tracking a reference picture on an electronic device is described. The method includes receiving a bitstream. The method also includes decoding a portion of the bitstream to produce a decoded reference picture. The method further includes tracking the decoded reference picture in a decoded picture buffer (DPB) with reduced overhead referencing. The method additionally includes decoding a picture based on the decoded reference picture.

Tracking a reference picture on an electronic device

Growing community of inventors

Vancouver, WA, United States of America

Sachin G Deshpande