Abstract: A calibration system for magnetometers includes magnetometers configured to measure a magnetic field to be measured; a magnetometer holder fixedly mounted on the magnetometer holder; at least one magnetic field generating device having its position fixed relative to the magnetometers, and used to generate a calibration magnetic field distribution in a space to be measured; and a calculation device configured to calculate the magnitudes of magnetic field vectors at the positions of the magnetometers according to the calibration magnetic field distribution generated by the at least one magnetic field generating device in the space to be measured, receive measured magnitudes of the magnetic field vectors from the magnetometers, and calculate detection gain values of the magnetometers on the basis of the calculated magnitudes of the magnetic field vectors and the measured magnitudes of the magnetic field vector.

Abstract: An autonomous cleaning device, includes: a mobile platform, configured to move autonomously on a cleaning surface; and a cleaning module, disposed on the mobile platform and including a wet cleaning module, configured to clean at least part of the cleaning surface in a wet cleaning mode.

Abstract: Disclosed are systems, methods, and non-transitory computer-readable media for using adversarial learning for fine-grained image search. An image search system receives a search query that includes an input image depicting an object. The search system generates, using a generator, a vector representation of the object in a normalized view. The generator was trained based on a set of reference images of known objects in multiple views, and feedback data received from an evaluator that indicates performance of the generator at generating vector representations of the known objects in the normalized view. The evaluator including a discriminator sub-module, a normalizer sub-module, and a semantic embedding sub-module that generate the feedback data. The image search system identifies, based on the vector representation of the object, a set of other images depicting the object, and returns at least one of the other images in response to the search query.

Abstract: A non-transitory computer-readable recording medium storing a program for causing a computer to execute processing includes acquiring time-series data of skeleton information that includes a position of each of portions of a subject, specifying a type of an operation of the subject that corresponds to skeleton information at a first time point in the acquired time-series data, determining a model of a probability distribution that restricts a temporal change in a position of a portion in the skeleton information, generating a graph that includes a node that indicates a position of each portion at each time point, a first edge that couples between nodes, and a second edge that couples between nodes that indicate the positions of the portion at different time points, and in which the determined model is associated with the second edge, and correcting the skeleton information.

Abstract: A non-transitory computer-readable recording medium storing an program for causing a computer to execute a process includes acquiring time-series data of skeleton information that includes a position of each of portions of a subject, specifying a portion in an abnormal state regarding a position, for skeleton information at a first time point in the acquired time-series data, determining a model of a probability distribution that restricts a position of the specified portion, in the skeleton information at the first time point, generating a graph that includes a node that indicates a position of each portion at each time point and a first edge that couples between nodes that indicate positions of different portions biologically connected at each time point and in which the model is associated with the node that indicates the position of the portion; and correcting the skeleton information at the first time point in the time-series data.

Abstract: The present disclosure discloses an infrared thermal imaging defect detection method and apparatus for a substation insulator. An infrared module is bidirectionally connected to a core computing module, and an infrared module is unidirectionally connected to a high-rate battery. The core computing module is unidirectionally connected to a touch screen. The infrared module is configured to obtain infrared radiation information through a lens, and calculate and generate a temperature distribution video. The method includes infrared video acquisition, thermal region segmentation, device type determination, key temperature information extraction, defect diagnoses, result display and result saving.

Abstract: The present disclosure relates to the technical field of power batteries, and discloses a roll core connecting structure of a battery and the battery.

Abstract: A payment method applied to a merchant client device, includes receiving a first instruction for selecting a first payment method for a first order on a first selection page by a target user. In an interface of a merchant client device, an account confirmation page of a first wallet corresponding to the first payment method is displayed. A confirmation instruction sent by the target user based on the account confirmation page is received. A checkout page of the first wallet is displayed in the interface of the merchant client device. Identity verification information entered by the target user based on the checkout page is received. A first payment result page is displayed, where the first payment result page comprises at least a payment result corresponding to the first order.

Abstract: The present invention provides a method and an apparatus for detecting unmanned aerial vehicle conflict based on an airspace digital raster, and a storage medium, wherein the method comprises: establishing an airspace discrete subdivision raster model; constructing a conversion relationship between a raster code rule and longitude and latitude coordinates and grid codes; establishing an unmanned aerial vehicle safety protection area, and performing gridding expression on the unmanned aerial vehicle in the airspace; establishing a coordinate system to convert the grid codes of the unmanned aerial vehicle into coordinates; calculating the Minkowski difference set of two blocks using the GJK algorithm; and determining whether the unmanned aerial vehicle conflicts or not according to the Minkowski difference set.

Abstract: The present disclosure provides a positive electrode piece and a lithium-ion battery. The positive electrode piece includes: a positive electrode current collector, a first coating layer disposed on at least one surface of the positive electrode current collector, and a positive electrode active material layer disposed on a surface of the first coating layer, where the first coating layer contains a first material and a conductive agent, a particle diameter of the first material is ?800 nm, and a sheet resistance of the first coating layer is not less than 500 m?/?. The positive electrode piece provided by the present disclosure can improve the impedance of a contact short-circuit site between the positive electrode current collector and a negative electrode active material, and reduce the heat generated by the short circuit, thereby effectively reducing safety problems such as battery cell catching fire caused by the short circuit.

Abstract: In an approach to improve manual and autonomous operations of a vehicle embodiments predict a moving intention of a first vehicle. Based on the predicted moving intention embodiments broadcast and share the predicted vehicle moving intention of the first with a set of key vector data through a predefined network to a second vehicle. Further, embodiments receive the broadcasting signal embedded with the set of key vector data related to vehicle moving intention nearby and map the received vehicle moving intentions to two-dimensional (2d) or three-dimensional (3D) spatial map. Additionally, embodiments render the 2D or 3D spatial map with the mapped vehicle moving intentions in a virtual display.

Abstract: A method is for operating a manipulator that has a movement device, a compensating device, and a tool. In the method, a relative displacement of the compensating device, with respect to a target position, is sensed during setting-up and is taken into account in a subsequent control of the manipulator.

Abstract: The disclosure relates to isolated microorganisms—including novel strains of the microorganisms—microbial ensembles, and compositions comprising the same. Furthermore, the disclosure teaches methods of utilizing the described microorganisms, microbial compositions, and compositions comprising the same, in methods for treating or preventing gastrointestinal enteropathy or dysbiosis in canines. In particular aspects, the disclosure provides methods of treating or preventing morbidity and mortality caused by GI pathogenesis or autoimmunity.

Abstract: An electrolyte additive composition, an electrolyte and a lithium-ion secondary battery including same, and use of same are provided. The electrolyte additive composition includes a cyano-substituted C4-10 aromatic or a heteroaromatic compound; and a compound represented by the following formula (1) wherein R1 and R2 can be the same or different, and are selected from unsubstituted or F-substituted C1-6 alkyl.

Abstract: A modified small interfering RNA (siRNA) molecule comprising phosphorothioate (PS) intemucleotide linkages in the antisense strand for reducing off-target effects and methods and uses thereof. The siRNAs targeting Hypoxia Inducible Factor 1 Subunit Alpha (HIF1a) with high specificity and silencing efficiency.

Abstract: The present invention relates to a polypeptide for inhibiting TRPM8 and a use thereof. Specifically, the present invention provides a polypeptide or a pharmaceutically acceptable salt thereof. The polypeptide of the present invention has an excellent inhibitory effect on TRPM8 and is used for preventing and treating TRPM8-related diseases.

Abstract: The present disclosure relates to the technical field of drilling, in particular to a composite material, a composition, a drilling fluid, and a method for plugging formation well wall fractures. The composite material includes a polymer matrix and metal ions embedded in the polymer matrix, an embedding rate of the metal ions is not less than 90 wt %, and turbidity of an aqueous solution of the composite material is not less than 1000 NTU under a condition of pH?8. The composite material can actively and quickly identify a change in a formation environment based on a difference in pH values between the drilling fluid and the formation environment, and achieve a precise response and precise matching with a formation well wall fracture environment, and a small amount of composite material can effectively increase a plugging rate of the formation well wall fracture.

Abstract: Meta-optic systems are described that include multi-function metasurfaces formed from a plurality of meta-atoms. A multi-function metasurface can exhibit two or more different optical functions for two or more different states of light incident on the metasurface. Different states of light include different polarizations, different wavelengths, and different angles of incidence. Different optical functions include distance sensing, converging, diverging, image formation, and patterned light formation. The multi-function metasurface can selectively impart different phase profiles to an incident beam depending on the incident beam's state of light.

Abstract: There is provided a method of operating an Open Radio Access Network (O-RAN) 5G Functional Application Platform Interface (FAPI) between an O-RAN distributed unit (O-DU) PHY (Layer-1 entity, L1), i.e., O-DU L1, and an O-DU MAC (Layer-2 entity, L2), i.e., O-DU L2. The method includes (a) sending, from the O-DU L2 to the O-DU L1, a message informing the O-DU L1 to perform a User Equipment (UE) correlation calculation, and on which Sounding Reference Signal (SRS) resources the correlation calculation needs to be conducted, (b) sending, from the O-DU L1 to the O-DU L2, a message containing correlation information of UEs served in a cell, and (c) sending, from the O-DU L1 to the O-DU L2, a message containing information of the SRS power, noise and interference of each UE served in the cell.