Abstract: A method for selecting a clock source includes a first network device that obtains synchronization offset data between the first network device and a second network device through a first port in a clock synchronization failed state. The first network device determines, based on the synchronization offset data, whether to refer to, during clock source selection, clock information received by the first port.

Abstract: The present application is applicable to the field of video processing, and provides a method for generating a rotation direction of a gyroscope. The method comprises: obtaining an acceleration value and an angular velocity value of an IMU in real time, taking the acceleration value as a first acceleration value, and estimating an attitude from the IMU to a world coordinate system; converting the first acceleration value from an IMU coordinate system to a world coordinate system to obtain a second acceleration value; in the world coordinate system, filtering a second acceleration, and filtering out a gravitational acceleration to obtain a third acceleration; converting the third acceleration into the IMU coordinate system to obtain acceleration components in the X axis, the Y axis and the Z axis of a fourth acceleration; and determining the rotation direction of the gyroscope according to the acceleration components.

Abstract: A photosensitive assembly for camera module includes a support substrate, a photosensitive chip electrically connected to the support substrate, and a molded part injection-molded on the support substrate, wherein the molded part includes a molded base and a first protrusion, a peripheral side of the molded base has a spacing distance from an edge of the support substrate, the first protrusion is extended outward from the peripheral side of the molded base to the edge of the support substrate, and a volume proportion of silicon powder in the molded part is 75%˜85%. By optimizing the composition of the molding liquid of the molded part, the occurrence of mold sticking is reduced.

Abstract: A device for separating and sequestrating carbon dioxide coupled with cold storage in mixed gas via hydrate method, which belongs to the technical field of application of natural gas hydrates includes a gas compression device, a refrigeration cycle device, a hydrate formation/decomposition device, a hydrate cold storage device, a water circulation device and a sensing and monitoring device; taking the separation and sequestration of biogas as an example, the refrigeration cycle device enables the cooling of biogas, decomposition of gas at all levels, hydrate, and circulating water to provide the low-temperature conditions required for hydrate formation; the hydrate cold energy storage device can fully use the latent heat of hydrate phase change to provide the required cooling capacity on the user side; the water circulation device can realize the recycling of decomposition water to ensure the continuous formation of hydrate.

Abstract: A computer-implemented method can be used to generate a composite image. Image data can be received, and a low-resolution composite image can be generated. A first machine-learning model can be applied to the low-resolution image and to a mask of the image data to generate a second image. A second machine-learning model can be applied to the image data to perform color mapping from an optimal patch to a masked foreground area of the image data. The color mapping can be used to generate a third image. A composite image can be generated using the second image and the third image.

Abstract: Systems and techniques are described herein for perturbation detection. For example, a computing device can produce, using a first model based on input data, first output data. The computing device can produce, using a second model based on the input data, second output data. The computing device can determine, based on the first output data and the second output data, a consistency score indicating a consistency between the first output data and the second output data. The computing device can determine, based on the consistency score being less than a consistency score threshold, the input data comprises a perturbation.

Abstract: The present application is applicable to the field of video processing, and provides a method for generating a rotation direction of a gyroscope. The method comprises: obtaining an acceleration value and an angular velocity value of an IMU in real time, taking the acceleration value as a first acceleration value, and estimating an attitude from the IMU to a world coordinate system; converting the first acceleration value from an IMU coordinate system to a world coordinate system to obtain a second acceleration value; in the world coordinate system, filtering a second acceleration, and filtering out a gravitational acceleration to obtain a third acceleration; converting the third acceleration into the IMU coordinate system to obtain acceleration components in the X axis, the Y axis and the Z axis of a fourth acceleration; and determining the rotation direction of the gyroscope according to the acceleration components.

Abstract: Systems and techniques are described for securely managing maneuver identifications (IDs) for vehicle-based communications. For example, a method may include transmitting a message associated with a potential maneuver by the vehicle, determining a maneuver identification (ID) for the potential maneuver based on the message, and transmitting a first maneuver message (including the maneuver ID) for the potential maneuver. In another example, a method may include receiving a first maneuver message including a maneuver ID, determining that the first maneuver ID is a new maneuver ID, and determining, based on the first maneuver ID being a new maneuver ID, whether the first maneuver ID matches a second maneuver ID determined based on a previously-received message. In another example, a method may include receiving maneuver messages that include a same maneuver identification (ID) and one or more source IDs and determining whether the source ID(s) of the maneuver messages match.

Abstract: A short-range communications apparatus, a chip, and a control method are disclosed. The apparatus includes: a gain unit, coupled to an antenna; a first radio frequency (RF) receive channel, coupled to the gain unit; a first baseband processor, coupled to the first RF receive channel, and configured to receive a first signal from the antenna through the first RF receive channel; a second RF receive channel, coupled to the gain unit; and a second baseband processor, coupled to the second RF receive channel, and configured to receive a second signal from the antenna through the second RF receive channel.

Abstract: Systems and techniques media for image processing are described herein. For example, a device can obtain encryption mode information associated with an image. The encryption mode information includes a region of interest (ROI) of the image and/or a task associated with the image. The device can encrypt at least a portion of image based on the encryption mode information to produce an encrypted image. The device can transmit the encrypted image.

Abstract: A distributed low energy dynamic thermal management system for solid matter prevention and control in oil and gas transportation pipeline includes a pipeline data monitoring terminal, a current and an electric pulse control terminal, a land console, an electric heating terminal, a wiring flange, an oil and gas transportation pipeline, a valve structure. The system monitors the state of the pipeline in real time by the pipeline data monitoring terminal, and transmits the monitoring data to the current and electric pulse control terminal in real time, the current and electric pulse control terminal produces different thermal responses to the electric heating terminal according to the state in the tube, raises the temperature inside the tube by generating a continuous current, unblocks pipeline by generating high power electric pulse, so as to realize real-time monitoring and local temperature dynamic control of oil and gas transportation pipeline.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may detect a misbehavior condition in a local vehicle-to-everything (V2X) information source. The UE may receive an incoming V2X message. The UE may generate a misbehavior decision for the incoming V2X message based at least in part on the misbehavior condition in the local V2X information source. Numerous other aspects are described.

Abstract: The present application provides a mounting structure and an air pump. The mounting structure comprises a battery holder and a device body. Several batteries are spaced circumferentially on the battery holder, and a first through-hole is provided axially in middle of the battery holder. A motor is provided axially in the device body, with one end extending through and out of the device body and the other end extending through the first through-hole, and at least partially surrounded by the several batteries. The air pump includes the mounting structure. The mounting structure and the air pump of the present application arrange the batteries circumferentially on the battery holder, improving the overall stability of the air pump. The motor is relatively surrounded by the batteries in a compact manner, fully utilizing the internal space and improving the convenience of carrying the air pump.

Abstract: A camera module, which can effectively reduce a shoulder height to meet the miniaturization requirements, includes a photosensitive assembly including a support substrate, a photosensitive chip, and a molded part injection-molded on the support substrate; and a lens assembly including an insert base and an optical lens disposed on the insert base and located in the photosensitive path of the photosensitive chip, the insert base comprises a base body and an insert body embedded in the base body, the base body is fixed to the support substrate and defines a cavity together with the support substrate; wherein the molded part includes a molded base located in the cavity and a first protrusion extended outward from the molded base to outside the cavity, and the insert body and the first protrusion are staggered with each other in a circumferential direction of the base body.

Abstract: Systems and techniques are described for object detection. For example, a computing device can apply a transformation to an image of a scene to generate a transformed image. The computing device can determine a plurality of candidate bounding regions for the transformed image. Each candidate bounding region is associated with an object in the scene. The computing device can determine a subset of candidate bounding regions for the transformed image by removing, using a non-max suppression model, at least one candidate bounding region of the plurality of candidate bounding regions. The computing device can generate an output bounding box for the object based on the subset of candidate bounding regions. The computing device can output the output bounding box. In some cases, the computing device can use an output of an image processing operation on the image to reduce a number of the plurality of candidate bounding regions.

Abstract: A Wi-Fi communication method and a device are disclosed, and relate to the field of wireless communication technologies. According to the method, a first communication device is configured to: generate a physical frame, and send the physical frame. The physical frame includes signaling information and a plurality of training sequences used for channel estimation, the signaling information indicates a quantity of space-time streams and a quantity of the plurality of training sequences, and the quantity of the plurality of training sequences is greater than the quantity of space-time streams. This helps improve accuracy of an algorithm such as channel estimation in a communication system, to improve a demodulation capability of a communication device, and ensure data demodulation effect.

Abstract: Various embodiments include methods and systems for vehicle-to-everything (V2X) system of a vehicle for managing processing of a basic safety message (BSM). Various embodiments may include calculating a relevancy value of a received BSM prior to conducting security processing of the BSM, determining whether the relevancy value of the BSM meets a relevancy threshold, and stopping processing of the BSM in response to determining that the relevancy value of the BSM does not meet the relevancy threshold.

Abstract: A simulator joystick force calibration method aims to solve problems such as low simulation fidelity of joystick forces that compromises training effectiveness, lack of a fixed reference standard, and the positioning of measurement sensors that leads to non-intuitive force sensing data with significant deviations. The method includes: recording joystick forces at all positions via sensors connected in a joystick; obtaining actual flight force feedback from a standard aircraft instructor; determining whether the joystick forces are normal; if yes, moving, based on different positions of a force measurement surface, the joystick to different angles by dynamometers; recording joystick force values displayed on the dynamometers at each angle, and comparing the joystick force values with corresponding verified normal simulator data; and calculating an average as a standard simulator joystick force parameter.

Abstract: Disclosed are systems, apparatuses, processes, and computer-readable media for wireless communications. For example, a process may include determining a potential position overlap between a first vehicle and a second vehicle and determining a characteristic of at least one of the first vehicle or the second vehicle based on information from a vehicle-based message. The process may include determining whether the potential position overlap is an actual position overlap between the first vehicle and the second vehicle based on the characteristic.