Abstract: Disclosed is a system and method for testing a structure mode of vibration based on digital image recognition, which comprises a camera, targets, a bridge, a vertical acceleration sensor and a lateral acceleration sensor; the camera is arranged near the bridge head of the bridge; the bridge is equipped with a plurality of targets equidistantly inside guardrails on both sides; and the vertical acceleration sensor and the lateral acceleration sensor are fixedly arranged on the camera. The present application avoids the arrangement of a large number of sensors and complicated wiring in the bridge vibration detection, saves time and reduces economic cost, is convenient to operate, has relatively high precision, and has broad application prospects.

Abstract: The present disclosure belongs to the technical field of display, and provides an array substrate, a handwriting tablet, a tablet eraser, a handwriting tablet system and a method for erasing a pattern. The array substrate is provided with a handwriting area, and a peripheral area surrounding the handwriting area. The array substrate includes erasing electrodes, which are arranged in an array, and a driving circuit for driving the erasing electrodes, wherein the driving circuit is configured to load, under the irradiation of preset light, an erasing voltage to the erasing electrodes. The array substrate is further provided with an NFC coil, which is used for sending an NFC signal, wherein a sensing range of the NFC coil covers the handwriting area.

Abstract: Provided is an etching method for etching a silicon oxide film with a high accuracy at a high selection ratio with respect to a silicon nitride film, the etching method of etching a film structure, in which an end portion of a film layer in which the silicon oxide film and the silicon nitride film formed in advance on a wafer disposed in a processing chamber are alternately stacked in a vertical direction forms a side wall of a groove or a hole, by supplying processing gas into the processing chamber includes a step of supplying hydrogen fluoride and alcohol vapor into the processing chamber, maintaining the wafer at a temperature of ?20° C. or lower, preferably ?20° C. to ?60° C., and etching the silicon oxide film from the end portion in a lateral direction.

Abstract: Some embodiments of the disclosure provide a diabetic retinopathy recognition system (S) based on fundus image. According to an embodiment, the system includes an image acquisition apparatus (1) configured to collect fundus images. The fundus images include target fundus images and reference fundus images taken from a person. The system further includes an automatic recognition apparatus (2) configured to process the fundus images from the image acquisition apparatus by using a deep learning method. The automatic recognition apparatus automatically determines whether a fundus image has a lesion and outputs the diagnostic result. According to another embodiment, the diabetic retinopathy recognition system (S) utilizes a deep learning method to automatically determine the fundus images and output the diagnostic result.

Abstract: A transportation device and a thermal management system and method therefor are disclosed. The thermal management system includes an air-conditioning system, a thermal management loop, and an auxiliary heater. The thermal management loop is configured to circulate a first heat-conducting medium to perform thermal management on a specified part of the transportation device. The thermal management loop is capable of exchanging heat with the air-conditioning system to selectively transfer heat generated by the specified part to the air-conditioning system at least when the air-conditioning system is in a heating state, to provide at least a partial heat source for an evaporation process of the air-conditioning system. The auxiliary heater is configured to selectively replenish heat for the thermal management loop. This solution improves the heating effect of the air-conditioning system.

Abstract: Disclosed is a seepage and internal erosion test apparatus for geotechnical centrifuges. The apparatus includes a mounting base, a four-motorized-jack synchronized lifting table fixed onto the mounting base, a downstream water sink, a plurality of permeameters, a centrifugal pump, and an upstream water sink fixedly mounted on the four-motorized-jack synchronized lifting table; the downstream water sink, the plurality of permeameters, the centrifugal pump, and the upstream water sink are connected by means of pipes; electric ball valves are separately disposed on each branch on which the permeameter is mounted; a temperature control module and flow meters are disposed of in the pipe for connecting the upstream outlet to the permeameter water inlet.

Abstract: A vegetation management system includes a vegetation classification unit that classifies vegetation photographed in remote sensing data, a long-term change prediction unit that predicts, based on a classification result of the vegetation and the remote sensing data, long-term wide-area fluctuation that is range fluctuation of the vegetation in a predetermined long-term time sequence, a short-term change prediction unit that predicts, based on the classification result of the vegetation and the remote sensing data, short-term wide-area fluctuation that is range fluctuation of the vegetation in a predetermined short-term time sequence, a risk determination unit that determines, based on a prediction result by long-term change prediction unit and a prediction result by short-term change prediction unit, a risk due to contact of the vegetation and a facility, and a visualization unit that visualizes a determination result of the risk.

Abstract: Disclosed is a computer-implemented method for detecting one or more anatomic landmarks in medical image data. In an embodiment, the method includes receiving a medical image data set depicting a body part of a patient; and determining a first set of anatomic landmarks from a first representation of the medical image data set at a first resolution by applying a first trained function to the first representation of the medical image data set. Based on that, a second set of anatomic landmarks is determined from a second representation of the medical image data set at a second resolution, the second resolution being higher than the first resolution, by applying a second trained function different than the first trained function to the second representation of the medical image data set and using the first set of landmarks by the second trained function.

Abstract: Provided is a liquid crystal handwriting board. The liquid crystal handwriting board includes: a first base plate and a second base plate that are oppositely disposed, and a liquid crystal layer disposed between the first base plate and the second base plate, wherein the liquid crystal layer includes bistable liquid crystal molecules; the first base plate includes: a first substrate, and an electromagnetic touch layer and a pixel electrode layer that are disposed on a side of the first substrate, wherein the electromagnetic touch layer is provided with a plurality of electromagnetic signal lines, each two adjacent electromagnetic signal lines being connected in series; and the second base plate includes: a second substrate, and a common electrode layer that is disposed on a side of the second substrate.

Abstract: A method and system for robot motion control using a model predictive control (MPC) technique including torque rate control and suppression of end tooling oscillation. An MPC module includes a robot dynamics model which inherently reflects response nonlinearities associated with changes in robot configuration, and an optimization solver having an objective function with a torque rate term and inequality constraints defining bounds on both torque and torque rate. The torque rate control in the MPC module provides an effective means of controlling jerk in robot joints, while accurately modeling robot dynamics as the robot changes configuration during a motion program. End tooling oscillation dynamics may also be included in the MPC objective function and constraints in order to automatically control end tooling vibration in the calculations of the MPC module.

Abstract: There is provided a projection apparatus, including: a light emitting component configured to generate light; a liquid crystal display panel on a light outgoing side of the light emitting component and including a liquid crystal layer between a first substrate and a second substrate, the liquid crystal layer including cholesteric liquid crystals configured to be in a conical helix texture under an electric field applied, so as to reflect light matched with a helix pitch of the conical helix texture; an optical component between the light emitting component and the liquid crystal display panel, and configured to adjust a propagation direction of light, an acute angle being formed between an optical axis of the optical component and a normal of the liquid crystal display panel; and a projection lens configured to receive and project the light reflected by the liquid crystal display panel. A display system is further provided.

Abstract: Provided are griseofulvin 4 position etherified derivatives and their application thereof. The chemical structures of the griseofulvin 4 position etherified derivatives are drawn in a formula I below. The application of these derivatives includes using the griseofulvin 4 position etherified derivatives as preventive or direct antifungal agents against phytopathogenic fungi.

Abstract: A pulse current generation circuit (100) for neural stimulation includes an analogue signal receiving device (101) for receiving an analogue signal; an analogue-to-digital converter (102) for converting the analogue signal into a digital control signal; a current signal controller (103) for producing, according to the digital control signal, pulse current parameters for generating bidirectional pulse current signals; and a current generator (104) for generating, according to the pulse current parameters, bidirectional pulse current signals for neural stimulation, and the current generator can generate pulse currents of different precisions according to the pulse current parameters. In addition, the present invention further relates to a charge compensation circuit, a charge compensation method, and an implantable electrical retina stimulator using the pulse current generation circuit or the charge compensation circuit.

Abstract: Embodiments of this application provide a method and apparatus for determining antigenic specificity. The method includes acquiring double-stranded biological information of a cell receptor; performing word coding processing on the double-stranded biological information to obtain an amino acid word sequence, the amino acid word sequence comprising an amino acid word representation; performing feature extraction on the cell receptor based on the amino acid word sequence with a pre-trained amino acid sequence prediction model to obtain an amino acid sequence representation of the cell receptor, the amino acid prediction model being trained with masked sample data; and determining the antigenic specificity of the cell receptor based on the amino acid sequence representations.

Abstract: An antigen prediction method including inputting genetic information, sequence information, and three-dimensional structure features of an immune cell receptor into an antigen prediction model, performing, by the antigen prediction model, feature extraction on the genetic information and the sequence information to obtain genetic features and sequence features of the immune cell receptor, integrating, by the antigen prediction model, the genetic features, the sequence features, and the three-dimensional structure features to obtain receptor features of the immune cell receptor, performing, by the antigen prediction model, full connection and normalization on the receptor features to output a probability of the immune cell receptor being associated with each candidate antigen of a plurality of candidate antigens, and determining, based on the probability of the immune cell receptor being associated with each candidate of the plurality of candidate antigens, an antigen binding to the immune cell receptor from t

Abstract: An information processing apparatus includes an information processing unit that acquires ultrasound diagnostic data generated by an ultrasound diagnostic apparatus. The information processing unit acquires an activation command from the ultrasound diagnostic apparatus, and transmits operation command list for an execution application, which is activated by the activation command, among a plurality of applications for the ultrasound diagnostic data to the ultrasound diagnostic apparatus. The operation command list includes an operation command for operating the execution application and information for constructing a man-machine interface for operating the execution application. The ultrasound diagnostic apparatus constructs the man-machine interface corresponding to operation command information.

Abstract: Managing security access in real-time to a computer system using control lists includes detecting a security event at a computer system. The security event is analyzed including an analysis of a historical corpus having historical data of security events. An access control list is generated based on the security event. A determination is made when the security event includes abnormal behavior based on the analysis of the security event and the historical corpus. The security event is published to a monitoring system for controlling access to the computer system, in response to the security event.

Abstract: The present invention provides an electronic device and method for wireless communication, and a computer-readable storage medium. The electronic device comprises: a processing circuit, configured to: determine a first resource application system and a second application system which interfere with each other in management ranges of spectrum management apparatuses and respectively use different wireless access technologies; and determine, according to the interference situation between the first resource application system and the second resource application system, the width of a guard band between spectrum resources allocated for the first resource application system and the second resource application system.

Abstract: An array substrate, a panel, a handwriting tablet and a method for driving the same, relate to the field of handwriting tablet technology. The array substrate includes a handwriting area and a peripheral area surrounding the handwriting area; the handwriting area includes a plurality of handwriting sub-areas; wherein the array substrate includes a plurality of NFC coils and a plurality of erasure units. The plurality of NFC coils are arranged in the plurality of handwriting sub-areas in a one-to-one correspondence. The plurality of erasure units are arranged in the plurality of handwriting sub-areas in a one-to-one correspondence.

Abstract: A spectrum management device, an electronic device, a radio communication method, and a storage medium. The spectrum management device is located in a coexistence system. The coexistence system includes at least two radio access networks using different radio access technologies. The spectrum management device includes a processing circuit, and is configured to: generate an interference overlapping graph for the coexistence system; and allocate spectrum resources for the at least two radio access networks according to the interference overlapping graph. By using the spectrum management device, the electronic device, the radio communication method, and the storage medium, spectrum resources can be reasonably allocated to a secondary system in the coexistence system comprising multiple radio access technologies.