Abstract: The present disclosure relates to systems and methods for image splicing. The systems and methods may acquire a first image and a second image, determine a plurality of first feature points in a first region of the first image, determine a plurality of second feature points in a second region of the second image, then match the plurality of first feature points with the plurality of second feature points to generate a plurality of point pairs. Based on the plurality of point pairs, a third region on the first image and a fourth region on the second image may be determined. Finally, a third image may be generated based on the first image and the second image, wherein the third region of the first image may overlap with the fourth region of the second image in the third image.

Abstract: A battery pack installed inside a cabinet is electrically connected to an energy storage interface and a charging current converter, which is electrically connected to a charging connector. A cooling system is configured to exchange heat with the charging current converter and the charging connector. A first heat dissipation apparatus is disposed in the cooling system. A temperature adjustment system is configured to exchange heat with the battery pack, and the cooling system and the temperature adjustment system are thermally separated. A second heat dissipation apparatus is disposed in the temperature adjustment system. A controller is configured to keep the cooling system off and turn on the temperature adjustment system in a first operating mode, turn on the cooling system and the temperature adjustment system in a second operating mode, and keep the cooling system off and turn on the temperature adjustment system in a dormant mode.

Abstract: An electronic atomization device and an atomizer are provided. The atomizer includes a plurality of liquid storage cavities. A separating member is arranged between two adjacent liquid storage cavities. An atomization assembly includes an atomization base and a plurality of heating structures. The atomization base passes through the separating member and penetrates the liquid storage cavities. The heating structures are spaced apart in the atomization base and form an integrated structural member with the atomization base. Each one of the plurality of heating structures is arranged corresponding to one of the liquid storage cavities. The heating structures atomizes an atomization substrate delivered from the corresponding liquid storage cavity.

Abstract: A server system and a communication method of a server system are provided. The server system includes: at least one first processor board and a host server; the first processor board includes a first field programmable gate array chip and a first processor chip, the first field programmable gate array chip and the first processor chip being packaged and interconnected; the host server is configured to transmit host data to the first field programmable gate array chip through the switching network; and the first field programmable gate array chip is configured to process the host data, receive request data sent by the first processor chip, generate a communication protocol message according to processed host data and the request data, and transmit the communication protocol message to a target processor board through the switching network.

Abstract: A charging system for charging a power battery of a vehicle includes a battery apparatus configured to store energy and charge the power battery by releasing energy; a charging connector configured to connect to the vehicle so as to charge the power battery via the charging connector; and a thermal management system, including a first heat exchange flow path, a second heat exchange flow path, and a first switching mechanism. The first heat exchange flow path includes a first heat exchanger configured to exchange heat with the battery apparatus. The second heat exchange flow path includes a second heat exchanger configured to exchange heat with the charging connector. The second heat exchange flow path is connected to the first heat exchange flow path via the first switching mechanism.

Abstract: A control method and control apparatus for a thermal management system. The thermal management system includes a liquid coolant system and a refrigerant system, the liquid coolant system including a heat dissipation apparatus and a cold storage apparatus, where the refrigerant system is configured to cool a battery and/or the cold storage apparatus, the heat dissipation apparatus is configured to cool the battery and/or the cold storage apparatus, and the cold storage apparatus is configured to cool the battery. The method includes: obtaining first thermal management parameter information, where the first thermal management parameter information includes parameter information of the battery, and the parameter information of the battery includes temperature information of the battery and/or parameter information reflecting a heating rate of the battery; and determining a thermal management strategy of the thermal management system based on the first thermal management parameter information.

Abstract: An electric vehicle (EV) includes a battery pack, an electric motor, a drive circuit configured to drive the electric motor, a heat transfer material, arranged to transfer thermal energy from the electric motor to the battery pack, and a controller. The controller is configured to determine that the EV is connected to an external charger. In response, the controller generates the control signals comprising a waveform pattern that is free of zero volt vectors. The controller transmits the control signals to the drive circuit to drive the electric motor in accordance with the waveform pattern while the external charger charges the battery pack.

Abstract: Embodiments of the disclosure provide a live-streaming starting method, apparatus, device, storage medium, program product and program. The server receives a live-streaming starting request initiated by a terminal for streaming media; determines a starting segment according to a predetermined delay threshold, the starting segment comprising a media presentation description MPD file, an initialization segment, and a media segment corresponding to the delay threshold; and the terminal receives the starting segment sent by the server, and renders and plays a first frame of the streaming media using the starting segment. On the basis of a DASH protocol, the solution improves a live-streaming starting process, to enable a terminal to render and play a first frame only by initiating a starting request once, thereby effectively reducing a starting time and improving the user experience.

Abstract: The present disclosure provides a system and method for image processing. The method may include obtaining multiple projection images of a subject acquired by an imaging device from multiple view angles; generating an initial slice image of the subject by image reconstruction based on the multiple projection images; determining, based on the multiple projection images, a target out-of-plane artifact of the initial slice image; and generating a corrected slice image by correcting the initial slice image with respect to the target out-of-plane artifact.

Abstract: Provided are a PCIe interrupt processing method and apparatus, a device and a non-transitory readable storage medium, relating to the technical field of computers. The PCIe interrupt processing method comprises: a currently generated internal interrupt signal is acquired; a PCIe interrupt type supported by a current FPGA is determined according to an interrupt vector signal output by a PCIe IP core, so as to determine a corresponding target interrupt processing mechanism according to the PCIe interrupt type; and the internal interrupt signal is processed by means of the target interrupt processing mechanism, and a processing result is input to the PCIe IP core, such that the PCIe IP core sends an interrupt message packet to a central processing unit on the basis of the processing result. The technical solution expands the compatibility of an FPGA with processor interrupts, facilitating the implementation of FPGA logic platform construction.

Abstract: A monitoring and fault diagnosis method for a continuous granulation process of drug particles based on a variational autoencoder and a contribution graph is provided. By constructing and training the variational autoencoder model, this method achieves dimensionality reduction and feature extraction of high-dimensional data, and generates latent vectors through reparameterization tricks to reconstruct the input data. This method designs monitoring statistics based on KL divergence for real-time monitoring of critical quality attributes and critical process parameters in the production process. Additionally, the contribution graph method is used to evaluate the effect of each variable on the monitoring statistics, so as to realize the accurate diagnosis and location of the fault.

Abstract: A three-dimensional unwrapping processing method for a borehole transient electromagnetic method includes: acquiring measurement information of each measuring point in a target borehole, where the measurement information includes a secondary field induced electromotive force and a roll angle; establishing, for each measuring point, an unwrapped diagram with the roll angle as a horizontal coordinate and the secondary field induced electromotive force as a longitudinal coordinate; and transforming, when an electromotive force signal in the unwrapped diagram is a negative response, the electromotive force signal into a positive response according to a transformation equation of the roll angle to acquire measurement transformation information. The processing problem of the borehole transient electromagnetic method in detecting a negative induced electromotive force response is solved, and the acquired measurement transformation information includes a negative electromotive force signal.

Abstract: An energy storage device comprises a cabinet, a battery pack installed inside the cabinet, a charging converter electrically connected to the battery pack, a charging connector electrically connected to the charging converter to transmit electric energy converted by the charging converter, a cooling system, and a first heat dissipation apparatus. The cooling flow channels of the charging connector and the cooling flow channels of the charging converter are arranged in the cooling system. The first heat dissipation apparatus is at least partially arranged in the cooling system to cool the charging connector and the charging converter. The cooling flow channels of the charging converter and the cooling flow channels of the charging connector in the embodiments of the present disclosure are both arranged in the cooling system, and the first heat dissipation apparatus is cooled by a fan to cool the charging converter and the charging connector.

Abstract: Provided is an automatic calculation method for a surface defect area of a wet blue skin based on a Deeplab V3+ model, aiming at solving the problem that the automatic calculation of the defect area is difficult in a tannery. The method includes image data acquisition and preprocessing of a wet blue skin, training and verification of a wet blue skin defect segmentation model based on a Deeplab V3+ model, and automatic calculation of the defect area in a segmented image. The method can accurately segment common defects such as knife holes, brands and the like on the surface of a large-area wet blue skin, with a high speed of detecting a wet blue skin within 1s.

Abstract: A detection device, a detection apparatus, and a detection method are provided. The detection device includes a detection assembly and a driving assembly. At least two rows of detection units are provided, and the detection units are arranged in a matrix along the first direction and the second direction. During detection, the driving assembly may drive one or both of the to-be-detected object and the detection assembly to move along at least one of the first direction and the second direction, so that the detection units scan different areas of the surface of the to-be-detected object, thereby realizing a scanning of the entire surface. That is, the scanning of the surface of the to-be-detected object is completed by using multiple detection units, which improves detection efficiency for the to-be-detected surface, and realizes a relatively high imaging quality.