Abstract: An electrical connection assembly includes a circuit board and a connector mounted on the circuit board. The connector has a housing and a contact received in the housing. The contact has an elastic arm extending out from a surface of the housing and a connection pin extending out from a side face of the housing. The elastic arm electrically contacts an electrical contact pad on a moving bracket and the connection pin electrically contacts the circuit board.

Abstract: Embodiments of the present disclosure provide a method and a device for assisting in controlling automatic driving of a vehicle, a medium, and a system. The method for assisting in controlling automatic driving of a vehicle may include: acquiring sensing information related to environment collected by a sensor, the sensor being disposed in the environment and independent of the vehicle; determining an environment sensing result related to the environment by processing the acquired sensing information, the environment sensing result indicating relevant information about a plurality of objects including the vehicle in the environment; and providing the environment sensing result to a vehicle-side control device associated with the vehicle for assisting in controlling a driving behavior of the vehicle.

Abstract: The present invention discloses a method and system for cutting video using video content. The method comprises: acquiring recorded video produced by user's recording operation; extracting features of recorded audio in the recorded video and judging whether the recorded audio is damaged; and if not, extracting human voice data from the recorded audio which has been filtered out background sound, intercepting video segment corresponding to effective human voice, and displaying the video segment as clip video; and if yes, extracting image feature data of person's mouth shape and human movements in the recorded video after image processing, fitting the image feature data and the human voice data which has been filtered out background sound, and displaying the video segment with the highest fitting degree as clip video.

Abstract: A microscope, including an x motor, a y motor, and a z axis focusing driving mechanism that drive a stage to move; at least one knob operatively coupled to the x motor or y motor or the z axis focusing driving mechanism selectively via a controller; and at least one button coupled to the controller in communication. The controller is configured to disconnect a normal operative coupling between the knob and the z axis focusing driving mechanism and establish an operative coupling between the knob and the x motor or y motor when receiving a predetermined button signal, and restore the normal operative coupling between the knob and the z axis focusing driving mechanism and disconnect the operative coupling between the knob and the x motor or y motor when no longer receiving the predetermined button signal or when receiving a next button signal.

Abstract: The present invention provides a video sticker processing method and device. The method comprises: performing face recognition and speech recognition on video to be processed separately to obtain face position data when face recognition is successful, and speech recognition text when speech recognition is successful; matching speech recognition text with description text of each sticker in sticker library to obtain a target sticker, and obtaining a target video frame according to speech recognition text; adding target sticker to default position or target position of target video frame; wherein, target position is calculated according to the face position data. The present invention can automatically determine the target sticker and its added position according to the face recognition result and the speech recognition result of the video to be processed, realize the intelligent selection and placement of the target sticker, and improve the processing efficiency of the video sticker.

Abstract: A sensor assembly includes a housing including a cavity allowing a liquid to flow thereinto, a liquid level sensing module installed on the housing and configured to sense information related to a liquid level when the liquid is flowing into the cavity, and a turbidity sensing module installed on the housing. The turbidity sensing module includes a light emitting unit and a light receiving unit. The light emitting unit and the light receiving unit are located oppositely on an outer surface of the housing to allow a light emitted from the light emitting unit to pass through the cavity of the housing and be received by the light receiving unit.

Abstract: A read latency reduction method includes receiving a read request sent by a host, where the read request includes location indication information of requested data, obtaining, from read voltage management information based on a first physical location indicated by the location indication information, a read voltage corresponding to a first storage area in which the first physical location is located, the flash array includes a plurality of storage areas, the read voltage management information includes a correspondence between a storage area and a read voltage, and the read voltage in the read voltage management information is dynamically updated, and obtaining the requested data based on the read voltage corresponding to the first storage area, and sending the requested data to the host.

Abstract: In various embodiments functionalized graphene oxide(s) are provided that demonstrate improved antimicrobial activity, where the graphene oxide(s) are functionalized to increase carbon radical (.C) density.

Abstract: Embodiments of the present disclosure disclose a method for position detection, a device, and a storage medium. The method includes: detecting a first lane line in a current image captured by a camera; performing an optimization on an initial transformation matrix reflecting a mapping relationship between a world coordinate system and a camera coordinate system based on a detection result of the first lane line; and obtaining a first 3D coordinate of a target object in the current image according to a transformation matrix optimized, and determining an ultimate 3D coordinate of the target object according to the first 3D coordinate.

Abstract: A power grid reactive voltage control method and control system based on two-stage deep reinforcement learning, comprising steps of: building interactive training environment based on Markov decision process, according to a regional power grid simulation model and a reactive voltage optimization model; training a reactive voltage control model offline by using a SAC algorithm, in the interactive training environment based on Markov decision process; deploying the reactive voltage control model to a regional power grid online system; and acquiring operating state information of the regional power grid, updating the reactive voltage control model, and generating an optimal reactive voltage control policy. As compared with the existing power grid optimizing method based on reinforcement learning, the online control training according to the present disclosure has costs and safety hazards greatly reduced, and is more suitable for deployment in an actual power system.

Abstract: A power grid reactive voltage control model training method. The method comprises: establishing a power grid simulation model; establishing a reactive voltage optimization model, according to a power grid reactive voltage control target; building interactive training environment based on Adversarial Markov Decision Process, in combination with the power grid simulation model and the reactive voltage optimization model; training the power grid reactive voltage control model through a joint adversarial training algorithm; and transferring the trained power grid reactive voltage control model to an online system. The power grid reactive voltage control model trained by using the method according to the present disclosure has transferability as compared with the traditional method, and may be directly used for online power grid reactive voltage control.

Abstract: The present invention relates to a modified polyisocyanate and use thereof, in particular as a crosslinking component of water-soluble or water-dispersible coatings. The modified polyisocyanate is obtained by a reaction of a system comprising the following components: at least an aminosulfonic acid; at least a polyisocyanate; at least a tertiary amine; and optionally a polyether alcohol containing an ethylene oxide group. The modified polyisocyanate comprises at least an iminooxadiazinedione structure and at least an isocyanurate structure, the weight ratio of the iminooxadiazinedione structure to the isocyanurate structure being 1:300 to 1:5. The amount of sulfonate group of the modified polyisocyanate is 0.75% by weight to 1.1% by weight, based on the amount of the modified polyisocyanate as 100% by weight. The viscosity thereof is 500 mPa·s to 10000 mPa·s, as determined according to DIN EN ISO 3219:1994-10 at a temperature of 23° C. and a shear rate of 10 s?1.

Abstract: The present application provides autonomous vehicle based position detection method and apparatus, a device and a medium, where the method includes: identifying an obtained first visual perception image according to an underlying neural network layer in a slender convolution kernel neural network model to determine feature information of the target linear object image, and identifying the feature information of the target linear object image by using a high-level neural network layer in the slender convolution kernel neural network model to determine size information of the target linear object image; further, matching the size information of the target linear object image with preset coordinate system map information to determine a position of the autonomous vehicle. Embodiments of the present application can accurately determine the position of the autonomous vehicle.

Abstract: The present invention provides a video sticker processing method and device. The method comprises: performing face recognition and speech recognition on video to be processed separately to obtain face position data when face recognition is successful, and speech recognition text when speech recognition is successful; matching speech recognition text with description text of each sticker in sticker library to obtain a target sticker, and obtaining a target video frame according to speech recognition text; adding target sticker to default position or target position of target video frame; wherein, target position is calculated according to the face position data. The present invention can automatically determine the target sticker and its added position according to the face recognition result and the speech recognition result of the video to be processed, realize the intelligent selection and placement of the target sticker, and improve the processing efficiency of the video sticker.

Abstract: The present invention discloses a method and system for cutting video using video content. The method comprises: acquiring recorded video produced by user's recording operation; extracting features of recorded audio in the recorded video and judging whether the recorded audio is damaged; and if not, extracting human voice data from the recorded audio which has been filtered out background sound, intercepting video segment corresponding to effective human voice, and displaying the video segment as clip video; and if yes, extracting image feature data of person's mouth shape and human movements in the recorded video after image processing, fitting the image feature data and the human voice data which has been filtered out background sound, and displaying the video segment with the highest fitting degree as clip video.

Abstract: The present invention discloses a method and device for displaying text and video in two threads. The method comprises: when receiving video message, switching display state of chat interface from sleep state to play state to play the video message on background of the chat interface; in process of playing the video message, responding to user terminal's operation instructions to chat control and/or play control on the chat interface; and at the end of the video message playing, switching the display state of the chat interface from play state to sleep state. The present invention can display text message and video message in two threads on the same operation interface, so that users can get the text message and video message at the same time, and the efficiency of message acquisition can be improved.

Abstract: A method and apparatus for establishing a fast-forwarding table are provided. The method comprises: when a communication packet is received, determining, according to matching rules of services set in a packet processing policy, a target service matching the communication packet; if a fast-forwarding table corresponding to the communication packet is not stored locally, obtaining a preset target priority of the target service, and determining a target resource utilization threshold corresponding to the target priority according to a preset correspondence between priorities and resource utilization thresholds; determining whether a current resource utilization is greater than the target resource utilization threshold; and establishing a fast-forwarding table corresponding to the communication packet if the current resource utilization is not greater than the target resource utilization threshold.

Abstract: An expandable canopy tent frame includes two sets of four-bar linkage with overlapping and staggered central axial lines. The central axial hinge point and the side edge hinge point of the two linkage sets are aligned. The central axial hinge points have a lateral bar. The two ends of the lateral bar pass through the slide bushings on the side edge hinge points, and the slide bushings form the support with both sides of the lateral bar. The main structure has at least one fixed end and can be fixed on objects by utilizing that fixed end.

Abstract: A method and device of multi-focal sensing of an obstacle. A method includes acquiring detection results of obstacles at multiple moments by utilizing a camera with long focus lens and a camera with short focus lens; performing a target tracking to the acquired detection results, to obtain at least two tracking sequences, wherein each tracking sequence includes detection results acquired at the multiple moments for a same obstacle; and matching two random tracking sequences of the at least two tracking sequences, and combining the two random tracking sequences into a combined tracking sequence, if the matching is successful.

Abstract: Embodiments of the present disclosure provide a method and an apparatus for recognizing a traffic light, a device, a storage medium, and a vehicle. The method may include: obtaining semantic information of one or more traffic lights provided at an intersection, and recognizing states of the one or more traffic lights in an image captured by a camera; determining traffic lights representing same semantics from the one or more traffic lights based on the semantic information, and determining a uniform state corresponding to the traffic lights representing the same semantics according to states of the traffic lights representing the same semantics and preset confidences of respective traffic light states; and determining indication information of the traffic lights representing the same semantics according to the uniform state.