Abstract: A method and apparatus for training a semantic segmentation model, a computer device, and a storage medium are described herein. The method includes: constructing a training sample set; inputting the training sample set into a deep network model for training; inputting the training sample set into a weight transfer function for training to obtain a bounding box prediction mask parameter; and constructing a semantic segmentation model.

Abstract: A radio frequency connector comprises a first base. The end face of one end of a first shielding frame contacts with a first external PCB. The end, close to the first external PCB, of the first shielding frame is in the shape of a complete and gapless ring. The first shielding frame disposed around the first base is complete and gapless and can realize 360° omnidirectional and dead zone-free shielding of a first terminal on the first base, so that the anti-interference capacity of the radio frequency connector is effectively improved, and the electrical performance of the radio frequency connector is improved, accordingly.

Abstract: To solve the problems that the existing non-aqueous electrolyte for lithium ion battery containing fluorinated solvent generates serious gas expansion when improving high-temperature cycle performance and affects high-temperature safety performance of battery. The application provides a non-aqueous electrolyte for lithium ion battery. The non-aqueous electrolyte for lithium ion battery comprises a compound A and a compound B, wherein the compound A is at least one of compounds represented by the following structural formula I, formula II and formula III; the compound B is a compound represented by the following structural formula IV; formula I: R1—COO—R2; formula II: R3—OCOO—R4.

Abstract: A method of generating a transfer request is described. A window that is displayed independent of a service interface of a service application and corresponds to the service application is generated by processing circuitry of a first terminal according to an independent window presentation interface. The window that is independent of the service interface of the service application is displayed based on a window display request from the service application. A user operation is received via the window. A transfer code request instruction is generated in response to the received operation. A transfer code corresponding to the transfer code request instruction is obtained when the service application detects the transfer code request instruction. The transfer code is displayed for processing by a second terminal to generate the transfer request.

Abstract: A cross-blockchain mutual data storage method includes obtaining, in a first node in a first blockchain network, initial data from a first relay node in the first blockchain network, and verifying the initial data according to a first oracle contract in the first node. The method further includes, in response to the verification being successful, converting the initial data from a first data format into a second data format, and determining the initial data in the second data format as to-be-transferred data, the second oracle contract being deployed on a second node in a second blockchain network. The method also includes transmitting the to-be-transferred data to the first relay node, so that the first relay node transmits the to-be-transferred data to the second node for storage of the to-be-transferred data.

Abstract: The present invention relates to an absorbable biomedical composite material and a preparation method therefor, wherein the absorbable biomedical composite material comprises: a substrate particle containing a calcium phosphate compound; an intermediate layer which is coated on the surfaces of the substrate particle and has a first glass transition temperature, the first glass transition temperature being not higher than a normal body temperature; and a polymer matrix which is formed on the outer surface of the intermediate layer and has a second glass transition temperature, the second glass transition being higher than the first glass transition temperature. The present invention can provide an absorbable biomedical composite material which not only increases the mechanical strength but also improves the toughness.

Abstract: A data transmission method and apparatus, a storage medium, and a device, are provided, in the field of cloud technologies. The method includes: receiving at least one data packet among data packets transmitted by a transmitting end in a data transmission round; and transmitting a response data packet for the data transmission round to the transmitting end, the response data packet including a target field, and the target field indicating a received data packet and an unreceived data packet at the receiving end, among the data packets transmitted in the data transmission round. The response data may indicate an arrival situation of the data packet in detail, so that the transmitting end may further determine which data packets have arrived and which data packets have not arrived.

Abstract: The application provides a high-definition intelligent integrated conduit detector, including a box body and a bracket. A front side of the box body is provided with a front mounting groove, a back side of the box body is provided with a back mounting groove, a waterproof keyboard and a control terminal are installed in the front mounting groove, a counter and a hard cable coil are installed in the back mounting groove, one end of the hard cable coil is connected with the control terminal, the other end of the hard cable coil is connected with a high-definition camera, the front side of the box body is rotatably connected with a front cover, the back side of the box body is connected with a back cover, and the box body is rotatably connected with the bracket through a strong resistance rotating shaft.

Abstract: The present invention relates to an absorbable biomedical composite material and a preparation method therefor, wherein the absorbable biomedical composite material comprises: a substrate particle containing a calcium phosphate compound; an intermediate layer which is coated on the surfaces of the substrate particle and has a first glass transition temperature, the first glass transition temperature being not higher than a normal body temperature; and a polymer matrix which is formed on the outer surface of the intermediate layer and has a second glass transition temperature, the second glass transition being higher than the first glass transition temperature. The present invention can provide an absorbable biomedical composite material which not only increases the mechanical strength but also improves the toughness.

Abstract: The present disclosure discloses a power supply socket with vibration touch keys, and relates to a touch power supply socket used on an electric kettle and a coffee pot. The power supply socket comprises a face shell, a bottom cover, a lower connector, a control circuit board and a power cord, wherein the inner side of the face shell is provided with a vibration motor installing groove, a vibration motor is installed in the vibration motor installing groove, the vibration surface of the vibration motor is in close contact with the bottom plane of the vibration motor installing groove, the vibration motor is electrically connected with the control circuit board, and the vibration motor has synchronous vibration signal feedback when a finger touches a key. The key of the present disclosure has good waterproof, dustproof, LED light guiding and vibrating effects.

Abstract: Embodiments of the present disclosure provide a method for switching a Bluetooth connection, a Bluetooth chip, and a Bluetooth device; where the method for switching a Bluetooth connection may be applied to the Bluetooth device. The method includes: establishing, by the Bluetooth device, Bluetooth connections with a first terminal device and a second terminal device; receiving, by the Bluetooth device, a content playing request from the first terminal device, and performing data transmission with the first terminal device; receiving, by the Bluetooth device, a content playing request from the second terminal device, and sending a notification message for suspending data transmission to the first terminal device; suspending, by the Bluetooth device, data transmission with the first terminal device, and maintaining the Bluetooth connection with the first terminal device; and performing, by the Bluetooth device, data transmission with the second terminal device.

Abstract: A depth image generation method, apparatus, and storage medium and electronic device. The method includes: acquiring a plurality of target images; performing multi-stage convolution processing on the plurality of target images through a plurality of convolutional layers in a convolution model to obtain feature map sets respectively outputted by the plurality of convolutional layers; performing view aggregation on a plurality of feature maps in each feature map set respectively to obtain an aggregated feature corresponding to each feature map set; and performing fusion processing on the plurality of obtained aggregated features to obtain a depth image. The plurality of acquired target images are obtained by photographing the target object from different views respectively, so that the plurality of obtained target images include information from different angles, which enriches information content of the acquired target images.

Abstract: A telescopic bendable support structure includes a telescopic connecting pipe assembly, wherein the telescopic connecting pipe assembly comprises a first pipe, a second pipe and a first bendable connection assembly, wherein the first bendable connection assembly comprises a first pivot part and a second pivot part, the first pivot part comprises a first pivot portion and a first connection portion connected with the first pivot portion, the first connection portion is accommodated in one end of the first pipe to be connected with the first pipe; the second pivot part comprises a second pivot portion and a second connection portion, the second connection portion is configured to be connected with the second pipe, the second pivot portion is configured to be pivotably connected with the first pivot portion.

Abstract: This application provides a displacement vector prediction method and apparatus in video encoding/decoding and a device and relates to the field of video codec technologies. In this application, candidate displacement vectors are constructed by combining displacement vectors related to a plurality of prediction modes, and then a predicted displacement vector of a current unit is derived from the candidate displacement vectors. Information about an encoded/decoded unit having a same prediction mode as the current unit can be used and information about an encoded/decoded unit having different prediction modes from the current unit is also allowed to be combined to derive the predicted displacement vector of the current unit, so that the candidate displacement vector has a higher possibility to be selected as the predicted displacement vector, thereby improving the encoding performance of the displacement vector.

Abstract: A cross-blockchain data migration method includes obtaining, by a first node in a first blockchain network, from a first blockchain in the first blockchain network, first service data information corresponding to a first data structure mode stored in a first block in the first blockchain and obtaining a second data structure mode associated with a second block in a second blockchain corresponding to a second blockchain network. The method further includes converting the first service data information to second service data information corresponding to the second data structure mode and establishing a hash mapping relationship between the first service data information and the second service data information in the first blockchain. The method also includes migrating the second service data information to a second node in the second blockchain network based on the hash mapping relationship.

Abstract: A speech signal dereverberation processing method includes extracting an amplitude spectrum feature and a phase spectrum feature of a current frame in an original speech signal, extracting subband amplitude spectrums from the amplitude spectrum feature corresponding to the current frame, determining, based on the subband amplitude spectrums and by using a first reverberation predictor, a reverberation strength indicator corresponding to the current frame, and determining, based on the subband amplitude spectrums and the reverberation strength indicator, and by using a second reverberation predictor, a clean speech subband spectrum corresponding to the current frame.

Abstract: The present disclosure relates to a device for processing an audio signal. The device may include a first acoustic-electric transducer and a second acoustic-electric transducer. The first acoustic-electric transducer may have a first frequency response, and may be configured to detect the audio signal and generate a first sub-band signal according to the detected audio signal. The second acoustic-electric transducer may have a second frequency response, the second frequency response being different from the first frequency response. The second acoustic-electric transducer may be configured to detect the audio signal and generate a second sub-band signal according to the detected audio signal.