Abstract: This disclosure provides a processing method, apparatus, and system. The method, apparatus, and system are used to perform spectral image collection on a to-be-collected object consistent of a detection object and a background object, obtain spectral characteristics of different image regions in the first spectral image, recognize attribute parameters of the to-be-collected objects corresponding to the different image regions, recognize that the attribute parameters being related to the material of the to-be-collected object, positioning and extract a second spectral image corresponding to the detection object in the first spectral image, and perform abnormality detection on the detection object based on the region characteristics of the different image regions in the second spectral image.

Abstract: This application discloses a LiDAR and a mobile device, where LiDAR includes a lens and a photonic chip, an optical axis of the lens extends along a first preset direction; the photonic chip and the lens are spaced apart along the first preset direction, the photonic chip includes a cladding layer and multiple receiving waveguide core layers, all the receiving waveguide core layers are located at an end of the cladding layer that is closer to the lens and are spaced apart along a second preset direction, each receiving waveguide core layer has a first end surface and a second end surface opposite to each other, the first end surface is closer to the lens than the second end surface; and there is a distance between a first end surface of at least one receiving waveguide core layer and a focal plane of the lens.

Abstract: The present invention belongs to the field of medical technology and specifically relates to an active ingredient group for treating constipation. An active ingredient group for treating constipation, characterized in that the active ingredient group includes rhein, hesperetin, albiflorin, and magnolol. The key target combination of constipation includes RXRA, CYP1A1, CYP1A2 and PLA2G4. The active ingredient group for treating constipation provided in this application can effectively prevent and treat constipation by regulating bile acid secretion, steroid hormone biosynthesis, glycerophospholipid metabolism, and linoleic acid metabolism by establishing strong combination between the active ingredient group and the key target combination of constipation. This application also discloses the biomarkers for the diagnosis and treatment of constipation.

Abstract: A display driving method, a display driving device, and an electronic device. The display driving method includes: obtaining a voltage value of a power supply ground signal; obtaining a reference data enable signal and a data enable signal to be analyzed when the voltage value of the power supply ground signal is greater than or equal to an electrostatic discharge voltage threshold; adjusting the data enable signal to be analyzed according to the reference data enable signal to obtain a current frame data enable signal; and writing the current frame data enable signal to a timing controller.

Abstract: The present invention belongs to the field of medical technology and specifically relates to an active ingredient group for treating UC. An active ingredient group for treating UC, characterized in that it uses an active ingredient group to act on key target combination of UC, and prevents and treats UC by regulating tryptophan metabolism, glycerolphospholipid metabolism, and linoleic acid metabolism. The active ingredient group for treating UC provided in this application can effectively prevent and treat UC by regulating tryptophan metabolism, glycerolphospholipid metabolism and linoleic acid metabolism by establishing strong combination between the active ingredient group and the key target combination of UC. This application also discloses the biomarkers for the diagnosis and treatment of UC.

Abstract: A portable variable focus microscope includes a housing having a lower section and an upper section secured together. A lens is removably disposed on at least one lens retention feature of the upper section. The scope further includes a slide platform and a height adjuster, where rotation of the height adjuster within the scope housing adjusts a relative distance between the slide platform and the lens to adjust a focus of the lens. The scope may be used in conjunction with a mobile data device to capture an image of a sample on a slide received in the scope. A program including a CNN algorithm may be employed to identify contaminants in the sample.

Abstract: This disclosure provides a method for nonlinearly calibrating linear frequency modulation of an optical signal, an apparatus for nonlinearly calibrating linear frequency modulation of an optical signal, a computer-readable storage medium, and an electronic device. The method includes: in an ith frequency modulation cycle, obtaining a relationship between a modulation voltage signal Vi(t) input into a light source and an actual frequency signal fi(t) of an optical signal output by the light source, to obtain an actual association relationship fi(V) corresponding to the ith frequency modulation cycle, where i is a positive integer; based on a target frequency modulation signal fg(t) and the actual association relationship fi(V), determining a modulation voltage signal Vj(t) corresponding to a jth frequency modulation cycle, where j is i+1; and inputting a modulation voltage signal Vj(t) into the light source, to implement frequency modulation of the optical signal in the jth frequency modulation cycle.

Abstract: The present invention provides an identification processing method and system for ship-to-ship refueling. The method comprises a target ship identification step, a target ship type determination and identification step, a ship speed and AIS reporting time determination step, a ship-to-ship position determination step and a refueling data processing step. Based on massive ship AIS data, a refueling ship and a non-refueling ship are determined by means of a ship type, and in combination with ship speed, AIS reporting time difference determination and a proximity algorithm, a refueling behavior of the ship in a certain period of time can be automatically determined, such that relevant personnel can quickly know the refueling situation of the ship.

Abstract: A double-sided ultrasonic rolling cooperative strengthening system and a control method thereof are provided. The system includes a first mechanical arm subsystem, a second mechanical arm subsystem, a first ultrasonic rolling strengthening subsystem, a second ultrasonic rolling strengthening subsystem and a servo turntable (13); the servo turntable (13) is configured to fix a blade to be processed; the first ultrasonic rolling strengthening subsystem is provided at an end of the first mechanical arm subsystem; and the second ultrasonic rolling strengthening subsystem is provided at an end of the second mechanical arm subsystem.

Abstract: There are provided systems and methods for sentence level dialogue summaries using unsupervised machine learning for keyword selection and scoring. A service provider, such as an electronic transaction processor for digital transactions, may provide computing services to users, which may be used to engage in interactions with other users and entities. When utilizing these services, memoranda may be generated that includes text from different online interactions. To provide summarization and searching of the memoranda, the service provider may implement an unsupervised machine learning framework that utilizes machine learning models to perform text preprocessing, keyword extraction, and keyword weighting when ranking and outputting relevant keywords. Once extracted and ranked, the keywords may be used to provide different insights to the memoranda. The keywords may be selected based on domains and tasks and the framework may be made pluggable and customizable for different systems and search operations.

Abstract: The present application discloses a certifiable out-of-distribution generalization method, a medium, and an electronic device. The method comprises: approximating a deep neural network model using kernelized linear regression; subjecting the deep neural network model to stochastic perturbation learning to derive a classifier for sample separation; and determining a generalization set and certified precision of the deep neural network model, wherein the deep neural network model can output accurate predictions when the perturbation range of semantic information lies within the generalization set, the semantic information being defined as the representation of cascaded intermediate layers of the deep neural network model.

Abstract: The present invention discloses a switched-capacitor type modular direct-current power supply with a high step-down ratio. The power supply includes an upper modular cascade circuit string and/or a lower modular cascade circuit string, a load, and an input source. The upper and lower modular cascade circuit strings respectively include i upper submodule circuits and j lower submodule circuits. All the submodule circuits are non-isolated three-port resonant switched-capacitor circuits including input and output capacitors connected in series. The power supply is formed, by modular cascades, into a high-step-down-ratio direct-current power supply having high voltage direct-current input and low voltage direct-current output. Combination modes of modules include cascading of upper module strings, cascading of lower module strings, and mixed cascading of the upper and lower module strings.

Abstract: The present invention provides a method and system for analyzing transport capacity of container liner routes.

Abstract: A double-sided ultrasonic rolling cooperative strengthening system and a control method thereof are provided. The system includes a first mechanical arm subsystem, a second mechanical arm subsystem, a first ultrasonic rolling strengthening subsystem, a second ultrasonic rolling strengthening subsystem and a servo turntable (13); the servo turntable (13) is configured to fix a blade to be processed; the first ultrasonic rolling strengthening subsystem is provided at an end of the first mechanical arm subsystem; and the second ultrasonic rolling strengthening subsystem is provided at an end of the second mechanical arm subsystem.

Abstract: Techniques are disclosed for detecting whether an entity associated with a node of a summary graph is suspicious by retrieving, from a graph database storing a network graph representing a plurality of electronic communications, a portion of the network graph that includes a set of target nodes. Based on the target nodes included in the portion of the network graph, the server system generates community graphs that includes at least a target node and nodes connected to the target node. The server system assigns, based on similarities between the community graphs, the community graphs to clusters and generates a closure graph for clusters, including combining two or more community graphs within respective clusters. Based on respective closure graphs, the server system performs preventative actions relative to entities represented by nodes included in respective closure graphs and connected to the target nodes.

Abstract: The present invention relates to the technical field of mine fire prevention and extinguishing, in particular to a liquid nitrogen direct injection and low-temperature foaming intelligent filling system based on mine fire area characteristics and an application method, comprising a liquid nitrogen storage tank, a liquid nitrogen direct injection system and a low-temperature foaming system, wherein the liquid nitrogen storage tank communicates with a liquid nitrogen pressurizing device through a main pipeline; a temperature control unit is arranged on the main pipeline; and the liquid nitrogen pressurizing device is connected with the liquid nitrogen direct injection system and the low-temperature foaming system, respectively, liquid nitrogen is directly injected into a foam liquid, to prepare a low-temperature foam type fire preventing and extinguishing material by means of forced convection, membrane boiling, explosion boiling and nucleate boiling between the liquid nitrogen and water.

Abstract: A processing method includes obtaining a processing image of a apparatus and performing a second processing on the processing image to generate a target image to analyze the target image according to a target defect detection method to realize defect detection of the apparatus. The processing image is obtained by performing a first processing on an initial image of the apparatus. The first processing includes performing scale processing on the initial image according to defect parameters corresponding to the initial image.

Abstract: A packaging structure and a packaging method of edge couplers and a fiber array are provided. The packaging structure includes a silicon substrate, an edge coupler, and a fiber array. Multiple edge couplers are arranged in a main body portion of the silicon substrate, and an end of the edge coupler extends to a step groove of the silicon substrate. At least a part of the cover of the fiber array is accommodated in the step groove. Multiple fibers in the fiber array correspondingly pass through multiple lead channels of the cover and are then coupled with the edge couplers in the step groove. The edge couplers butt the fibers in the fiber array. The cover is moved until a part of the cover is accommodated in the step groove, so that the fibers can be aligned with the edge couplers in the step groove.