H04B1/66

Method and device for encoding and decoding parameter sets at slice level
11252428 · 2022-02-15 · ·

Provided is a method for encoding parameter sets at slice level. The method includes: when there are one or more parameter sets, in which the coding tool parameters are identical to the coding tool parameters of a part of coding tools used for the current slice, in the existing parameter sets, encoding the identifiers of parameter sets into bit-stream of the current slice, wherein a parameter set contains common information of the coding tools used in the process of encoding/decoding slice(s). Correspondingly, also provided is a method for decoding parameter sets at slice level and a device for encoding and decoding parameter sets at slice level, which can make full use of the encoded parameter set information when the slice header refers to a plurality of parameter sets, implement flexible configuration of the coding tools used in the process of encoding/decoding slice(s) and reduce information redundancy.

Behavioral directional encoding of three-dimensional video
09774887 · 2017-09-26 ·

A method includes receiving head-tracking data that describes one or more positions of one or more people while the one or more people are viewing a three-dimensional video. The method further includes generating video segments from the three-dimensional video. The method further includes, for each of the video segments: determining a directional encoding format that projects latitudes and longitudes of locations of a surface of a sphere onto locations on a plane, determining a cost function that identifies a region of interest on the plane based on the head-tracking data, and generating optimal segment parameters that minimize a sum-over position for the region of interest.

Electronic device
09819371 · 2017-11-14 · ·

An electronic device includes a transceiver connected to a differential signal transmission line for transmitting a differential signal through a pair of signal lines to communicate with one or a plurality of other devices connected to the differential signal transmission line. The electronic device includes: a suppression circuit that is operated by a power source voltage to suppress waveform distortion in the differential signal transmitted through the differential signal transmission line; and a power source controller that controls supply or cutoff of the power source voltage to the suppression circuit in response to a change in a differential voltage between the pair of signal lines.

SYSTEMS AND METHODS FOR SIGNAL DETECTION AND DIGITAL BANDWIDTH REDUCTION IN DIGITAL PHASED ARRAYS
20170324440 · 2017-11-09 ·

Methods and systems are provided including a system for signal detection and digital bandwidth reduction in a phased array comprising a digital phased array receiving system, digital beamforming network, and central system-level processing system. In at least one embodiment, a system for signal detection and digital bandwidth reduction in a phased array is provided that includes a digital phased array receiving and transmitting system, a plurality of digital processing nodes, transceivers, and a core processing node, and a plurality of digital beamforming nodes. The exemplary the digital processing nodes including control sections that each perform preprocessing to identify signals with predetermined signal characteristics. The exemplary said preprocessing further includes selecting reflected signals received by the digital phased array receiving and transmitting system having one or more of the predetermined signal characteristics. The selected reflected signals reduced in size and passed to the core processing node with radar data sets.

SYSTEMS AND METHODS FOR SIGNAL DETECTION AND DIGITAL BANDWIDTH REDUCTION IN DIGITAL PHASED ARRAYS
20170324440 · 2017-11-09 ·

Methods and systems are provided including a system for signal detection and digital bandwidth reduction in a phased array comprising a digital phased array receiving system, digital beamforming network, and central system-level processing system. In at least one embodiment, a system for signal detection and digital bandwidth reduction in a phased array is provided that includes a digital phased array receiving and transmitting system, a plurality of digital processing nodes, transceivers, and a core processing node, and a plurality of digital beamforming nodes. The exemplary the digital processing nodes including control sections that each perform preprocessing to identify signals with predetermined signal characteristics. The exemplary said preprocessing further includes selecting reflected signals received by the digital phased array receiving and transmitting system having one or more of the predetermined signal characteristics. The selected reflected signals reduced in size and passed to the core processing node with radar data sets.

Pixel filtering for content

Systems, apparatuses, and methods are described for filtering and/or removing defects from content, such as high dynamic range (HDR) content. A plurality of parameters for filtering one or more pixels may be determined. The parameter(s) may be used to determine one or more filter weights, and the filter weight(s) may be applied to one or more pixels and one or more corresponding prior pixels to generate one or more filtered pixels. The filtered content and/or pixels thereof may later be encoded for storage and/or transmission to users.

Compression using mu-law approximation
09762285 · 2017-09-12 · ·

Techniques and mechanisms provide a technique for compression using an approximation of a mu-law algorithm.

Compression using mu-law approximation
09762285 · 2017-09-12 · ·

Techniques and mechanisms provide a technique for compression using an approximation of a mu-law algorithm.

Methods, systems, and computer readable media for decoding video using rate sorted entropy coding

According to one method, a method for decoding data using rate sorted entropy coding occurs at a video decoder implemented using at least one processor. The method comprises: receiving rate control information associated with a first bitstream; determining, using the rate control information, a maximum amount of bits available for a next symbol in the first bitstream; determining, using a symbol probability model and a first deterministic algorithm, an amount of bits for a least probable value of the next symbol; and determining that the next symbol is included in the first bitstream if the amount of bits for the least probable value of the next symbol is less than or equal to the maximum amount of bits available for the first bitstream.

Full-duplex single-panel antenna system for satellite and telecommunicaiton systems

Disclosed embodiments relate to isolation methods for full-duplex communication. In one example, a full-duplex antenna system includes a Tx (transmit) signal path including one or more elements each, means a power amplifier, one or more filters, and a Tx port of a Tx patch antenna operating at a Tx frequency band to transmit an outgoing signal to a satellite, the one or more elements each further including an Rx (receive) signal path including a low noise amplifier driven by an Rx port of an Rx patch antenna operating at an Rx frequency band to receive an incoming signal from the satellite, the Rx frequency band being separated by a guard band from the Tx frequency band, wherein the filters together with a physical separation between the Tx and Rx signal paths provide sufficient isolation to reduce coupling between the Tx signal path and the Rx signal path, allowing the full-duplex antenna system to operate in full-duplex.