Abstract: Disclosed are a method and apparatus for constructing a three-dimensional data set of a pedestrian re-identification based on a neural radiation field. The method includes the following steps: S1: capturing images of pedestrians to be entered by a group of cameras at different viewing angles; S2: generating a three-dimensional spatial position point set by sampling through camera rays in the scenario, and converting observation directions of the cameras corresponding to the three-dimensional spatial position point set into three-dimensional Cartesian unit vectors; and S3: inputting, into a multi-layer sensor, the three-dimensional spatial position point set and the observation directions converted into the three-dimensional Cartesian unit vectors, to output corresponding densities and colors. The method and apparatus of the present disclosure gives a brand-new method for constructing a pedestrian re-identification data set, and provides a new idea of data set construction.

Abstract: A lightweight and extensible information model for machine-to-machine systems is disclosed. A service layer information management architecture uses three categories of atomic objects, subjects, actions, and descriptions. Information for use within the model is built using the atomic information objects. Application programming interfaces are used to perform operations and information processing by different nodes. Common service functions are used in the model as instances of a generic common service information model.

Abstract: A display panel includes a first subpixel region configured to emit light of a first color, a second subpixel region configured to emit light of a second color, and a third subpixel region configured to emit light of a third color. The display panel includes a first light-emitting diode including a first light emitting layer, a second light emitting diode including a second light emitting layer, and a third light-emitting diode including a third light emitting layer. The second light emitting layer and the third light emitting layer are spaced apart from each other. At least a first portion of the first light emitting layer and the third light emitting layer are parts of a unitary layer continuously extending from the third subpixel region to at least a first portion of the first subpixel region. The third subpixel region is smaller than the second subpixel region.

Abstract: Embodiments of the present disclosure provide a drift optimization system for a vehicle-mounted machine based on a global positioning system (GPS). The system comprises a vehicular sensor, a camera unit, a GPS receiver, a memory, and a processor of a current vehicle. The processor is configured to set a datum point; determine a classification result of a GPS position by judging each GPS position in a GPS position sequence acquired from a GPS receiver during a preset time period; send a first command in response to the GPS position being a secure GPS position; and reset the datum point in response to the GPS position being an abnormal GPS position and first N1-1 GPS positions prior to the GPS position in the GPS position sequence being abnormal GPS positions.

Abstract: Flexible scheduling, self-healing, high-utilization strong stability for cellular network communications are discussed. Cellular network communication settings and strategies are developed with communication interval, transmit power data rate, channel delay, spectrum occupancy, source coding, receiving sensitivity, channel coding, signal-to-noise ratio, packet loss rate, channel occupancy rate, reception frequencies frequency band size of data package transmission frequencies, data package structure, modulation scheme, information coding scheme, antenna configuration.

Abstract: A method for supporting aerial operation includes obtaining a real-time location of an aircraft, obtaining a location of a supply station, obtaining a location of a next waypoint, and controlling the aircraft based on a status parameter related to a flight status of the aircraft associated with the real-time location of the aircraft. Controlling the aircraft includes controlling, in response to the status parameter satisfying a first preset condition, the aircraft to fly to the next waypoint; and controlling, in response to the status parameter satisfying a second preset condition, the aircraft to fly to the supply station.

Abstract: The application relates to a method, device and storage medium for measuring palpebral fissure height. The method comprises capturing the first eye position image of the user looking straight ahead in a near-infrared light field of 700-1200 nm at the position in front of the eye; and segmenting the background, the iris, the sclera and the pupil from the first eye position image by the training method of a neural network. The pupil center was extracted from the segmented pupil, and the vertical pupil center line was obtained. The distance between the junction point of the sclera, the iris or the pupil on the center line of the pupil and the background is obtained, and the palpebral fissure height is calculated using the distance.

Abstract: A method for filling carbide blades in cutter head by using a carbide blade cutter head filling device. The carbide blade cutter head filling device includes a feeding unit, a storage unit, a loading unit and a discharging unit which are arranged successively. The output end of the feeding unit is matched with the input end of the storage unit through the guide mechanism. The output end of the storage unit faces a conveying tray of the loading unit. The conveying tray is provided with a plurality of group of transition holes for accommodating blades. A receiving mechanism for accommodating a cutter head is arranged below the falling pull plate of the discharging unit. The falling pull plate adjusts the communication and isolation between the transition hole and the cutter head in the receiving mechanism by changing the relative position of the falling pull plate and the transition hole.

Abstract: Disclosed are a high-throughput preparation device for metal fiber based on multi powder and a method for preparing a metal fiber using the device. The high-throughput preparation device includes a metal powder conveying system, a metal powder mixing system, a metal powder melting system and a metal fiber forming system which are connected in sequence, where the metal powder melting system includes an induction powder melting device and a laser powder melting device which are independently disposed. The method for preparing a metal fiber using the high-throughput preparation device includes four steps: powder conveying, powder mixing, melting and forming.

Abstract: The present disclosure relates to a body model processing method and apparatus, an electronic device and a storage medium. The method includes: in response to detecting a trigger operation for a currently-displayed body model, displaying a parameter configuration window; where the parameter configuration window includes an image component relating to at least one model parameter of the body model; in response to detecting a trigger operation for at least one image component, determining a model parameter corresponding to the at least one image component and obtaining a target body model corresponding to the model parameter; displaying the target body model corresponding to the model parameter.

Abstract: The present disclosure provides an autonomous mobile device.

Abstract: The present application provides a chip communication circuit, method and apparatus based on automatic clock synchronization.

Abstract: A communication system includes a first device, a second device, and a cable that connects the first device and the second device, and the cable stores cable information of the cable. A link training method includes: obtaining device information of the first device, obtaining the cable information from the cable, and obtaining device information of the second device; and performing link training between the first device and the second device based on the device information of the first device, the cable information, and the device information of the second device.

Abstract: Provided are a method and an apparatus for displaying information of a virtual object, an electronic device, and a storage medium, the method including: displaying in a graphical user interface a first virtual scene and a first virtual object located in the first virtual scene; in response to a motion operation for the first virtual object, controlling the first virtual object to move in the first virtual scene, and controlling the range of the first virtual scene displayed in the graphical user interface to change correspondingly on the basis of the motion of the first virtual object; in response to a note adding operation, displaying in the graphical user interface note prompting information of at least one second virtual object; and, in response to a trigger operation for the note prompting information, adding note information to a target virtual object amongst the displayed at least one second virtual object.

Abstract: Provided is a method for selecting a server. The method includes: receiving a first group call request from a calling party of a target group, wherein the first group call request carries information of target regions of session members in the target group; determining, according to first delay periods of user devices in each of the target regions in data communication with directly connected servers, a first server corresponding to the each of the target regions; and determining, according to an average delay period of the first server in data communication with the user devices in the each of the target regions, a central server for a group call of the target group.

Abstract: Provided are a foldable display device and a driving method of a foldable display device. The foldable display device includes a foldable screen, an image sensor, and a driving display unit. The image sensor is located at the edge of the foldable screen and configured to collect an alignment image in an opposed region of the image sensor after the foldable screen is folded. The driving display unit is configured to determine a position of the opposed region of the image sensor according to characteristic information of the alignment image in the opposed region of the image sensor and determine a folded state of the foldable screen according to the position of the opposed region of the image sensor.

Abstract: Disclosed herein is a case for accepting portable electronic devices, such as tablets, of multiple sizes. The case includes a central well that may receive either the portable electronic directly, or a portable electronic device and a frame. The well is bordered by channels having a lip to an exterior face, the lip acting to retain the portable electronic device or frame and portable electronic device within the well. The material making up the frame is preferably of a higher durometer than the material making up the main body of the case.

Abstract: Methods and apparatus for offloading wireless connections are disclosed. An example method includes configuring a wireless offload engine to maintain a wireless connection on behalf of one or more circuits coupled to the wireless offload engine, determining that the one or more circuits are to enter a low-power state, and maintaining the wireless connection after the one or more circuits have entered the low-power state based at least in part on the configuring.

Abstract: A method and a composite for evaporative cooling are provided. The method includes synthesizing MOF-801 and preparing CaCl2@MOF-801 composite based on the MOF-801. The synthesizing MOF-801 includes dissolving fumaric acid and ZrOCl2·8H2O into a solvent having N, N-Dimethylformamide and formic acid to produce a mixture; heating the mixture at a predetermined temperature for a predetermined amount of time; cooling the mixture to room temperature to obtain precipitate of MOF-801; separating the MOF-801 by a filter of a predetermined pore size; and drying the separated MOF-801 at a predetermined temperature for a predetermined amount of time to activate the MOF-801. The preparing CaCl2@MOF-801 composite includes dissolving a predetermined amount of CaCl2 in deionized (DI) water; applying ultrasonication to the solution for a predetermined amount of time; and mixing the MOF-801 synthesized with the CaCl2 solution under ultrasonication at a predetermined temperature for a predetermined amount of time.

Abstract: A nanofiber actuator comprises a composite structure and a vanadium dioxide layer. The composite structure comprises a carbon nanotube wire and an aluminum oxide layer. The aluminum oxide layer is coated on a surface of the carbon nanotube wire, and the aluminum oxide layer and the carbon nanotube wire are located coaxially with each other. The vanadium dioxide layer is coated on a surface of the composite structure, and the vanadium dioxide layer and the composite structure are located non-coaxially with each other.