Abstract: A computer device, obtains a mammographic image of a unilateral breast. The mammographic image includes a cranial-caudal (CC)-position mammographic image and a mediolateral-oblique (MLO)-position mammographic image. The computer device invokes a breast detection model to perform a prediction of a condition of the unilateral breast according to the CC-position mammographic image and the MLO-position mammographic image. The device obtains a prediction result of the unilateral breast, and generates and outputs a detection report that includes the prediction result.

Abstract: A medical image processing method includes: obtaining a biological tissue image including a biological tissue, recognizing, in the biological tissue image, a first region of a lesion object in the biological tissue; recognizing a lesion attribute matching the lesion object; dividing an image region of the biological tissue in the biological tissue image into a plurality of quadrant regions; obtaining target quadrant position information of a quadrant region in which the first region is located; and generating medical service data according to the target quadrant position information and the lesion attribute.

Abstract: A medical image region screening method and apparatus and a storage medium are provided. The method includes: obtaining a medical image of biological tissue, segmenting tissue regions of a plurality of tissue types from the medical image, selecting, from the tissue regions of the plurality of tissue types based on types of capturing positions of the medical image, a reserved region, obtaining a positional relationship between the reserved region and a predicted lesion region in the medical image; and screening for the predicted lesion region in the medical image based on the positional relationship, to obtain a target lesion region.

Abstract: Provided are an artificial intelligence (AI)-based method and apparatus for training a classification task model, a device, and a storage medium, which relate to the field of machine learning (ML) technologies. The method includes: training an initial feature extractor by using a first dataset to obtain a feature extractor, the first dataset being a class imbalanced dataset; constructing a generative adversarial network, the generative adversarial network including the feature extractor and an initial feature generator; training the generative adversarial network by using second class samples to obtain a feature generator; constructing a classification task model, the classification task model including the feature generator and the feature extractor; and training the classification task model by using the first dataset, the feature generator being configured to augment the second class samples in a feature space in a training process of the classification task model.

Abstract: A connector comprising a carriage, an adjustment element, and a base configured to be rigidly attached to a drawer, the carriage is slidably attached to the base, and movement of the adjustment element causes the carriage to slide relative to the base. Also, such a connector further comprising: an engagement element configured to releasably engage a drawer movement guide assembly and attached to the carriage, and/or a wedge element linearly slidable relative to the carriage and configured to cause a change in a spacing between a drawer movement guide assembly and a drawer. Also, a connector comprising an engagement element that is separate from and pivotally attached to a connector assembly, that is configured to be rigidly attached to a drawer, and that is configured to releasably engage a drawer movement guide assembly. Also, systems comprising a connector together with a drawer, a cabinet and/or a drawer guide.

Abstract: The disclosure discloses a method for extracting a boundary of a thin-walled part with small curvature based on three-dimensional point cloud. The method includes: collecting point cloud data of a part to reduce density of the point cloud data, performing Euclidean cluster to divide into point cloud pieces, obtaining triangular mesh surfaces for each point cloud triangulation; extracting a boundary vertex of each triangular mesh surface to obtain a contour thereof, selecting a contour of the part among all contours; searching with each point on the contour as a center to form a three-dimensional boundary point cloud band; projecting the three-dimensional boundary point cloud band to a plane, orderly extracting two-dimensional boundary points within the plane, and arranging corresponding points in the three-dimensional boundary point cloud band according to an order of ordered boundary points within the plane to obtain ordered boundary points in the three-dimensional boundary point cloud band.

Abstract: A ball valve structure includes a valve body having a valve chamber therein. A valve ball is accommodated in the valve chamber. The valve ball defines a flow hole therein. Two gaskets are in close contact with two opposite side surfaces of the valve ball, so that the valve ball can rotate around a fixed point in the valve chamber. One side of one of the two gaskets abuts against a washer and a compression spring, so that the gasket is elastically pressed against a surface of the valve ball. A valve stem is connected to the valve ball through the valve body for driving the valve ball to rotate, enabling the flow hole to be opened.

Abstract: Systems and methods for determining relative importance of one or more variables in a non-parametric model include: receiving, raw values of the variables corresponding to one or more entities; processing the raw values using a statistical model to obtain probability values for the variables and an overall prediction value for each entity; determining a plurality of cumulative distributions for the variables based on the raw values and the number of entities having a specific raw value; grouping the variables into a plurality of equally sized buckets based on the cumulative distributions; determining a mean probability value for each bucket; assigning a rank number for each bucket based on the mean probability values; compiling a table for the entities based on the raw values and the buckets corresponding to the raw values; and determining the relative importance of the variables for the entities based on the rank numbers.

Abstract: The disclosure discloses a method for extracting a boundary of a thin-walled part with small curvature based on three-dimensional point cloud. The method includes: collecting point cloud data of a part to reduce density of the point cloud data, performing Euclidean cluster to divide into point cloud pieces, obtaining triangular mesh surfaces for each point cloud triangulation; extracting a boundary vertex of each triangular mesh surface to obtain a contour thereof, selecting a contour of the part among all contours; searching with each point on the contour as a center to form a three-dimensional boundary point cloud band; projecting the three-dimensional boundary point cloud band to a plane, orderly extracting two-dimensional boundary points within the plane, and arranging corresponding points in the three-dimensional boundary point cloud band according to an order of ordered boundary points within the plane to obtain ordered boundary points in the three-dimensional boundary point cloud band.

Abstract: The disclosure discloses a method for constructing actual processing curve of part with small curvature based on a point cloud boundary. The method includes: (a) encrypting a three-dimensional ordered boundary curve of a part to be processed; (b) fitting encrypted boundary points into a plane, and projecting each boundary point into the plane to obtain a projection point; (c) performing Euclidean cluster within the plane to obtain point sets, and fitting the obtained point sets into a straight line; (d) performing the Euclidean cluster on projection points that are not fitted into the straight line to obtain corner point sets, and fitting a sharp corner or a rounded corner of the corner point sets to obtain a fitted boundary curve within the plane; (e) mapping the fitted boundary curve to a curved surface of the three-dimensional ordered boundary curve to obtain an actual processing curve of the part to be processed.

Abstract: Systems, methods, and computer-readable media for an integrated Wi-Fi Access Point and cellular network Radio Unit (RU) include a communication system interfacing with a wired network for communicating Wi-Fi traffic and cellular network traffic, the communication system integrating a Wi-Fi Access Point (AP) with a cellular network Radio Unit (RU). The Wi-Fi traffic and cellular network traffic can be processed in the communication system. The communication system can interface with at least one programmable Radio Frequency (RF) front end configured for wireless communication over one or more frequency bands for Wi-Fi traffic and one or more frequency bands for cellular network traffic (e.g., 5G, LTE, Wi-Fi).

Abstract: The present invention relates to a dissipative particle dynamics (DPD) method for simulating an interfacial polymerization process of a hydrogel membrane. The method includes the following steps: 1) selecting various components with chemical structures thereof in a hydrogel phase and an organic phase of an interfacial polymerization system; 2) constructing a DPD model of solvent, hydrogel membrane material and water-soluble monomer in the hydrogel phase and a DPD model of organic solvent and oil-soluble monomer in the organic phase; 3) establishing a DPD model of the interfacial polymerization system composed of the hydrogel phase and the organic phase; 4) calculating an interaction parameter between DPD beads, that is, a conservative force parameter; 5) performing a DPD simulation by using Materials Studio software; and 6) evaluating an influencing factor determining the performance of the separation layer during the interfacial polymerization process according to the calculation file.

Abstract: The present invention belongs to the field of environmental materials, and discloses a simulation method for analyzing a diffusion property of a water-soluble monomer in a hydrogel membrane. The method specifically includes the following steps: 1) selecting a hydrogel membrane material and a water-soluble monomer to be simulated; 2) constructing an initial model; 3) optimizing a molecular dynamics model of the hydrogel membrane system; 4) performing a molecular dynamics simulation of the optimized model; 5) drawing a mean square displacement-time (MSD-t) curve; and 6) calculating a diffusion coefficient of a water-soluble monomer molecule in the hydrogel membrane system. The present invention analyzes the diffusion performance of the water-soluble monomer molecule in the hydrogel membrane system on a molecular level.

Abstract: A siphon type composite vertical subsurface flow constructed wetland has an uplink pool with a depth ¾ that of a downlink pool. Siphon-type drain tubes are equidistantly distributed at a first outer side of the uplink pool, and a total flow of the drain tubes is slightly greater than a largest total influent flow. Three layers of substrates are paved on each pool. A substrate on a first layer is a biological ceramsite having a relatively small grain size, another substrate on a second layer is zeolite having a relatively large grain size, and a further substrate on a third layer is cobblestone having a large grain size. The third layers of the pools are integrally communicated, and sewage in the downlink pool flows to the uplink pool through a communication port. Sludge on bottom layers of the pools is discharged from a siphon tube with water.

Abstract: A connector comprising a carriage, an adjustment element, and a base configured to be rigidly attached to a drawer, the carriage is slidably attached to the base, and movement of the adjustment element causes the carriage to slide relative to the base. Also, such a connector further comprising: an engagement element configured to releasably engage a drawer movement guide assembly and attached to the carriage, and/or a wedge element linearly slidable relative to the carriage and configured to cause a change in a spacing between a drawer movement guide assembly and a drawer. Also, a connector comprising an engagement element that is separate from and pivotally attached to a connector assembly, that is configured to be rigidly attached to a drawer, and that is configured to releasably engage a drawer movement guide assembly. Also, systems comprising a connector together with a drawer, a cabinet and/or a drawer guide.

Abstract: Systems and methods for determining relative importance of one or more variables in a non-parametric model include: receiving, raw values of the variables corresponding to one or more entities; processing the raw values using a statistical model to obtain probability values for the variables and an overall prediction value for each entity; determining a plurality of cumulative distributions for the variables based on the raw values and the number of entities having a specific raw value; grouping the variables into a plurality of equally sized buckets based on the cumulative distributions; determining a mean probability value for each bucket; assigning a rank number for each bucket based on the mean probability values; compiling a table for the entities based on the raw values and the buckets corresponding to the raw values; and determining the relative importance of the variables for the entities based on the rank numbers.

Abstract: An image processing method performed by a terminal is provided. A molybdenum target image is obtained, and a plurality of candidate regions are extracted from the molybdenum target image. In the molybdenum target image, a target region is marked in the plurality of candidate regions by using a neural network model obtained by deep learning training, a probability that a lump comprised in the target region is a target lump being greater than a first threshold, a probability that the target lump is a malignant tumor being greater than a second threshold, and the neural network model being used for indicating a mapping relationship between a candidate region and a probability that a lump comprised in the candidate region is the target lump.

Abstract: An illuminating lens design method and an illuminating lens. The projections of the highest points of an outer surface and an inner cavity surface of the illuminating lens on the horizontal plane are overlapped, and a horizontal profile curve of the outer surface and the inner cavity surface of the illuminating lens obtained from an arbitrary height satisfies: ( | x i | a i ) n i + ( | y i | b i ) n i = 1 where ai is the projection length of a portion of an xz section basic profile curve, which is intercepted by an xiyi plane, on the xiyi plane; bi is the projection length of a portion of a yz basic profile curve, which is intercepted by the xiyi plane, on the xiyi plane; xi, yi are coordinates of certain point on the outer horizontal profile curve and the inner horizontal profile curve; ni is a real number greater than 1.

Abstract: A lighting device is disclosed, including an LED die, a light-transmissive encapsulant and a light-transmissive wall. The light-transmissive encapsulant covers the light-emitting side surfaces and the top surface, and the light-transmissive wall surrounds the light-transmissive encapsulant and covers the side surfaces of the light-transmissive encapsulant. Furthermore, the refractive index of the light-transmissive encapsulant is not greater than the refractive index of the light-transmissive wall. A lighting module is further disclosed, including a circuit substrate and the lighting devices, as described above, which are disposed on the circuit substrate. Therefore, when lights generated from the LED die are transmitted into the light-transmissive wall from the light-transmissive encapsulant, the lights will be deflected towards the lateral direction, thereby increasing the viewing angle of the lighting device.

Abstract: A wireless access point device wirelessly communicates with a plurality of wireless client devices. The wireless access point includes a central processor subsystem and a plurality of transceiver devices each including a plurality of antennas, and a plurality of radio transceivers, each of the plurality of transceiver devices configured for deployment throughout a coverage area, each transceiver device being connected to the central processor subsystem via a respective cable. The central processor subsystem distributes in-phase and quadrature baseband samples across the plurality of transceiver devices associated with traffic to be transmitted and received via the plurality of transceiver devices in one or more frequency bands so as to synthesize a wideband multiple-input multiple-output transmission channel and a wideband multiple-input multiple-output reception channel. The access point transmit and receive functions are “split” or partitioned across the plurality of transceivers devices.