Abstract: According to implementations of the present disclosure, there is provided a context-based image coding solution. According to the solution, a reference image of a target image is obtained. A contextual feature representation is extracted from the reference image, the contextual feature representation characterizing contextual information associated with the target image. Conditional encoding or conditional decoding is performed on the target image based on the contextual feature representation. In this way, the enhancement of the performance is achieved in terms of the reconstruction quality and the compression efficiency.

Abstract: A semiconductor device includes a gate structure, a drift region, a source region, a drain region, a first doped region, and a second doped region. The gate structure is over a semiconductor substrate. The drift region is in the semiconductor substrate and laterally extends past a first side of the gate structure. The source region is in the semiconductor substrate and adjacent a second side of the gate structure opposite the first side. The drain region is in the drift region. The first doped region is in the drift region and between the drain region and the gate structure. The second doped region is within the drift region. The second doped region forms a P-N junction with the first doped region at a bottom surface of the first doped region.

Abstract: Disclosed in the present invention are a corrosion-resistant refractory material, preparation method therefor, and the use thereof. In the corrosion-resistant refractory material, a material phase of the refractory material comprises corundum and one or more material phases selected from CA6, C2M2A14, CM2A8, and ZrO2. The refractory material has low a low amount of a high-temperature liquid phase, a uniform pore structure, and good thermal shock stability; can be widely used in steel-making production lines and also in the refractory linings of rotary kilns, and has good erosion resistance and low thermal conductivity, and the performance thereof is obviously superior to that of many existing refractory materials such as silico carbide-mullite bricks and magnesia-alumina spinel bricks.

Abstract: Disclosed are a CA6-based thermally insulating refractory material with a medium volume density, a preparation method therefor, and the use thereof. The CA6-based thermally insulating refractory material with a medium volume density in the present invention has phases comprising CA6 and one or more selected from C2M2A14, C2M2A8, magnesium aluminate spinel, and corundum, and the refractory material has a high purity, good high temperature stability, a uniform structure, stable performance, a relatively low thermal conductivity, and good corrosion resistance to a metal, slag, etc.

Abstract: The embodiment of the present disclosure provides a method and an Internet of Things (IoT) system for safety monitoring and early warning of a smart gas pipeline network. The method includes: obtaining basic monitoring information; identifying abnormal information in the basic monitoring information; determining at least one abnormal information distribution map; determining a change feature of the abnormal information along a direction of the pipeline network; determining a monitoring point whose change feature meets a preset change condition and an abnormal information type of the monitoring point as at least one key monitoring point and a monitoring content of the at least one key monitoring point; determining an inspection plan and a performance allocation plan; adjusting a preset monitoring frequency of distributed monitoring components located at different key monitoring points and at areas surrounding the different key monitoring points; and generating an alarm message.

Abstract: The wearable electronic device includes a housing and a circuit board assembly. The circuit board assembly is located inside the housing, and is fastened relative to the housing. The housing includes a carbon fiber material, and the housing has an inner surface. The housing includes a conductive layer disposed on the inner surface. The conductive layer electrically connects the carbon fiber material scattered in the housing. The housing is electrically connected to the circuit board assembly by using the conductive layer. In the technical solution, the housing is integrally formed as a conductor by using the conductive layer disposed on the inner surface of the housing, and the housing is further electrically connected to the circuit board assembly by using the conductive layer.

Abstract: An audio signal encoding method is provided. According to the method, if a current frame is a switching frame, a to-be-encoded downmixed signal and a to-be-encoded residual signal of the subband corresponding to the preset frequency band in the current frame are obtained based on a switch fade-in/fade-out factor of a previous frame, an initial downmixed signal and an initial residual signal of the preset frequency band of the current frame.

Abstract: A magneto-optic thin film includes a substrate; a diffusion barrier layer disposed on the substrate, where the diffusion barrier layer includes a metal oxide; a buffer layer disposed on the diffusion barrier layer; and an optical isolation layer disposed on the buffer layer. The metal oxide in the diffusion barrier layer growing on the substrate is polycrystalline.

Abstract: A method for determining an estimated life of a mechanical device includes (1) acquiring a load spectrum of the mechanical device within a predetermined time range; (2) acquiring a lubricant state of the mechanical device within the predetermined time range; (3) determining a plurality of operating states experienced by the mechanical device within the predetermined time range based on the acquired load spectrum and the acquired lubricant state, and (4) determining an estimated life of the mechanical device based on the plurality of operating states of the mechanical device within the predetermined time range. Each operating state corresponds to a particular range of load values in the load spectrum and a particular degree of contamination in the lubricant state. The method may also determine the remaining useful life of a mechanical device. The method may be implemented in a device for determining the estimated life of a mechanical device.

Abstract: This technology provides an Autonomous Vehicle (AV) Intelligent Control System (ICS) that integrates a sensing module for collecting driving environment data and an onboard unit (OBU) for vehicle control. The OBU includes a vehicle control module and communication modules for interacting with Traffic Control Centers (TCC/TCU) and Roadside Units (RSUs). These modules exchange information at the control level, such as vehicle positioning, speed, and environmental conditions, enabling the AV to operate safely and efficiently. The system also features redundancy through dual-security mechanisms, enhancing safety and reliability. The AV ICS is designed to distribute driving tasks and functions, utilizing both TCC/TCU and RSU data for vehicle control and monitoring, with wireless communication capabilities for seamless information exchange.

Abstract: A method for detecting a human behavior includes: obtaining an image to be detected; obtaining a plurality of key points and a plurality of pieces of position information respectively corresponding to the plurality of key points by key-point recognition on the image to be detected; grouping the plurality of key points based on the plurality of pieces of position information to obtain a plurality of key-point groups, the plurality of key-point groups at least including a part of the plurality of key points; and determining a target human behavior based on key points in the plurality of key-point groups.

Abstract: The present disclosure provides a multi-view collaborative tracking method and apparatus for a fast moving target under a low luminance condition, including a multi-view target tracking algorithm based on radar-vision fusion data and an unmanned aerial vehicle (UAV) cluster collaborative tracking technology. This method takes the spatiotemporal normalized multi-source data as the learning objective of multi-agent reinforcement learning, to drive the cluster to collect data from multiple angles and directions. In this way, highly-efficient multi-angle collaborative observation can be performed on a high-speed moving object in an environment of weak texture and low luminance.

Abstract: Embodiments of the present disclosure disclose a method for managing personnel safety at a smart gas pipeline network station based on Internet of Things, wherein the method is executed by a smart gas safety management platform of a system for managing personnel safety at a smart gas pipeline network station based on Internet of Things, comprising: obtaining dispatching data of a gas station; determining a reference personnel frequency of a target region, based on the dispatching data; and in response to a first difference not meeting a first preset condition, giving a first warning, and triggering a risk monitoring; wherein the risk monitoring includes: obtaining monitoring data based on a preset monitoring parameter; determining a risk degree of the target region based on the monitoring data; and in response to the risk degree meeting a second preset condition, giving a second warning.

Abstract: The present disclosure provides methods and systems for assessing a pipeline failure based on a smart gas Internet of Things (IoT). The method is implemented by a smart gas safety management platform of an IoT system for smart gas pipeline network safety management, and the method includes obtaining at least one first failure risk in a gas pipeline and a downstream user feature, generating a plurality of candidate gas processing schemes based on the at least one first failure risk, and determining at least one second failure risk based on the at least one first failure risk and at least one of the candidate gas processing schemes.

Abstract: A method and a smart gas Internet of things (IoT) system for metering anti-interference of a gas ultrasonic meter. The IoT system including a smart gas user platform, a smart gas service platform, a smart gas sensing network platform, a smart gas object platform, and a smart gas device management platform. The method may be performed by the smart gas device management platform. The method may include: transmitting at least two sound waves of different frequencies at at least two time-dividing points and receiving at least two echo signals by the gas ultrasonic meter. The at least two time-dividing points may be determined at least based on time-dividing point correlation data; determining, based on the at least two echo signals, a gas flow difference; determining, based on the gas flow difference, whether a noise interference exists; and in response to a determination that the noise interference exists, adjusting a gas metering strategy.

Abstract: Provided herein is technology related to a distributed driving system (DDS) by using flexible, on-demand, and customized resources and functions from an intelligent roadside toolbox (IRT). These resources comprise computational resources, cloud resources, system security resources, backup and redundancy resources. The functions comprise sensing, transportation behavior prediction and management, planning and decision-making, and vehicle control functions. The DDS and IRT technologies described herein are vehicle oriented, modular, and customizable for each vehicle to meet the specific needs of each individual vehicle as an on-demand and dynamic service. The DDS is configured to provide customized, on-demand, and dynamic IRT resources and functions to individual CAVs to supplement the CAV's sensing, transportation behavior prediction and management, planning and decision-making, and/or vehicle control.

Abstract: A rotary device with automatic reset function for precise stopping and holding of a viewable rotating element without free play or slop remaining includes a conversion assembly, and a power assembly with output element and sensing assembly. The conversion assembly comprises a light-shielding structure with the light-shielding structure on the extension part. The power assembly with output element can drive the extension part to rotate synchronously with the light-shielding structure. The detachable sensing assembly overlaps the rotation path of the light-shielding structure, and the conversion assembly rotates at different angles so that the light-shielding structure and the sensing assembly will match at certain angles, so as to trigger a sensing signal and call up the output element. A display screen includes the rotary device with automatic reset function and a display assembly.

Abstract: Provided herein is technology relating to automated driving and particularly, but not exclusively, to a mobile intelligent road infrastructure technology configured to serve automated driving systems by providing, supplementing, and/or enhancing autonomous driving functions for connected automated vehicles under common and unusual driving scenarios.

Abstract: A wet etching chemistry to selectively remove a polymer residue on an opening embedded in a low-k dielectric layer and an underlying stop layer in a process of forming an interconnect structure is provided. The wet etching chemistry includes: two type of organic solvents, wherein a concentration of the two type of organic solvents is greater than or equal to 70%; an Alkali source amine, at least comprising a tertiary amine; an inhibitor; and water. In some embodiment, the wet etching chemistry is free of a peroxide to avoid damage to the WdC hard mask.

Abstract: A method of uniformly applying multicolor paint which comprises two or more paints of different colors in discrete domains. The method includes applying the multicolor paint to a paint roller cover and rolling the paint roller cover on a surface to form a painted surface. The paint roller cover comprises a foam having a surface extending between a first edge and a second edge and a groove on the surface wherein a portion of the groove is positioned at an angle relative to an edge of the foam and has a groove depth of 1 to 15 millimeters and an average cell size in the range of about 0.03 to about 0.5 cm, wherein the average cell size of the foam is within 25% of the average domain size in the multicolor paint.