201 results about "Visual test" patented technology

The invention discloses a visual test analysis method and system applied to a mobile phone display screen. The method comprises the following steps: constructing a test scheme database, acquiring specification information of a display screen to be tested, formulating a test scheme according to the specification information of the display screen to be tested, and testing according to the formulated test scheme to acquire test monitoring information; based on the test monitoring information, analyzing a visual test index when the target display screen to be tested is subjected to a visual test to obtain visual test index analysis information, and performing visual quality evaluation according to the visual test index analysis information to judge whether a display standard is met or not; and if the target to-be-tested display screen meets the display standard, performing visual comfort evaluation on the target to-be-tested display screen, judging whether the preset display control parameters need to be optimized or not according to a visual comfort evaluation result, and generating a control parameter optimization scheme. And the comprehensiveness of visual testing and the display comfort of the mobile phone display screen are improved, so that the mobile phone display screen can be adjusted more comprehensively.

The invention discloses a ship mobile energy storage system CAN communication protocol automatic test system and method, and the system comprises a protocol modeling and test configuration module, a simulation node behavior simulation module, a CAN bus interaction and power closed loop module, and a test analysis and result evaluation module. A CAN communication protocol specification of the ship mobile energy storage system and parameters of tested equipment can be obtained, a protocol analysis model and a test configuration file are constructed for format verification and logic consistency verification, meanwhile, a corresponding test case sequence is automatically generated, and the message sending time is controlled to generate a time sequence simulation message flow; and sending the time sequence simulation message flow to the tested equipment, simulating energy interaction behavior acquisition to generate a power feedback data set, testing to obtain a signal consistency deviation and a power execution error to construct a protocol conformity evaluation matrix, and generating a visual test report. According to the invention, the high coverage rate and automatic closed-loop test of the CAN communication protocol can be realized.

The invention relates to a variable-temperature dynamic-water coarse fracture grouting visual test system which comprises a visual simulation platform, and an artificial protolith is arranged in the visual simulation platform and used for simulating a coarse fracture; the grouting system is communicated with the visual simulation platform, and the grouting system is used for injecting grout into the visual simulation platform so that the grout can enter the rough fracture; the pressurizing system is communicated with the visual simulation platform and is used for injecting variable-temperature flowing water into the visual simulation platform, and pressure is provided for slurry entering the rough fracture through the variable-temperature flowing water; and the acquisition system is arranged in the visual simulation platform. On one hand, the device is used for researching the flow rule of the slurry under the static water or dynamic water condition, the diffusion rule of the slurry under different water environments is obtained through comparison, on the other hand, the diffusion rule of the slurry under the dynamic water condition and different roughness is researched, the field grouting condition is truly simulated, and the more accurate slurry diffusion rule is obtained.

The invention relates to an automatic hard disk testing method and device and a readable storage medium, and the method comprises the steps: importing configuration information which comprises preset BIOS (Basic Input / Output System) configuration parameters; obtaining current BIOS configuration information of the remote server, and judging the consistency of the BIOS configuration information and the BIOS configuration parameters; if the BIOS configuration information and the BIOS configuration parameters do not meet the consistency requirement, updating the BIOS configuration information, and restarting the remote server to enable the updated BIOS configuration information to take effect; the FIO source code file is connected to a remote server through an SSH, the FIO source code file is transmitted to the remote server through an SFTP protocol, and compiling is carried out on the remote server to generate an FIO command; in response to the FIO command, performing performance test on the to-be-tested hard disk; and uploading the performance test content and the test progress of the to-be-tested hard disk to an upper computer to generate a visual test result. According to the embodiment of the invention, the automation degree and the testing efficiency of hard disk testing are improved, and meanwhile, the visualization degree of the testing result is improved.

The invention discloses a soil-rock mixed filler compaction transparency visual test system and method, and relates to the technical field of civil engineering test equipment. In order to solve the problem that the movement and deformation of soil particles in the soil-rock mixed filler cannot be observed and recorded in the compaction process, the following technical scheme is provided: the device comprises a reaction frame and a model groove formed in the inner side of the reaction frame, an actuator is arranged at the top of the reaction frame, a double-track ball screw transmission mechanism is arranged between the reaction frame and the actuator, and the double-track ball screw transmission mechanism is arranged in the model groove. A pressure sensor is arranged at the bottom of the actuator, and the bottom of the pressure sensor compacts the transparent soil in the model groove through a roller; a laser is arranged at the side end of the model groove and irradiates the transparent soil in the model groove to present a speckle field plane, and an industrial camera is fixed right behind the model groove and collects speckle field pictures generated in the compaction process. According to the invention, visual monitoring and analysis of the compaction process of the soil-rock mixed filler can be comprehensively and accurately realized.

The invention discloses a fractured rock mass pressure-bearing deformation-seepage-grouting visual test device and method, relates to the technical field of test devices, and aims to solve the problem of grouting reinforcement of water-rich fractured rock mass in the field of underground engineering. The device comprises a base, a transparent test bin, an axial pressure chamber, an axial pressure head, a pressure plate and other key components, and can realize the pressure-bearing deformation, seepage and grouting integrated test operation of the fractured rock mass under the cyclic dynamic load condition. The ballasting and seepage phenomena are simulated by applying axial pressure and water pressure, and grouting tests at different positions are simulated through grouting. The method comprises the steps of test preparation, cyclic dynamic load test, seepage test, grouting test, test data recording and storage, pressure unloading, test device resetting and the like. The test device is simple in structure and convenient to operate, grouting reinforcement of unfavorable geologic bodies can be simulated, visualization of the test process is achieved, the slurry diffusion rule is visually reflected, and scientific basis and technical support are provided for underground engineering construction.

The invention discloses a lithium battery thermal runaway in-situ fire, explosion and fire suppression visual testing device based on multi-dimensional signal acquisition. Comprising a metal high-pressure tank, an atmosphere device, a gas collecting device, a battery fixing support, a thermal runaway heating simulation device, a suppression experiment fire extinguishing device, an explosive force measuring device, a needling experiment device, a gas component monitoring device, a thermal radiation monitoring device, a central control system, an ignition device and an image recording system. According to the testing device, smoke does not need to be collected into other containers for explosion risk testing, in-situ fire suppression and explosion of needled, overcharged and overheated batteries can be carried out under simulation of a complex gas atmosphere, multi-dimensional signal collection can be carried out in the whole experiment process, visualization is achieved, and the testing device is specially used for lithium iron phosphate batteries and low-nickel ternary lithium batteries.

The invention discloses a directional grouting test device and a visual test method for a goaf, and the method comprises the steps: building a bed rock, laying a mineral product to be mined, laying and filling an area to be reinforced, burying a soil pressure gauge and a water pressure gauge, burying a grouting floral tube, arranging a grouting inner tube, communicating a grouting system, and setting a particle imaging velocimeter PIV. In the test process, the seepage and diffusion process in the slurry and the stress state of the rock-soil body are monitored by using a soil pressure meter and a water pressure meter; calculating the total amount of slurry flowing into the model through a slurry barrel outer scale; after grouting is finished, original-state sampling is conducted on the grouting permeation reinforcement area, a mechanical property test and a microcosmic test are conducted, and the grout permeation and reinforcement effect is analyzed; the grouting pressure-seepage distance-mechanical property relation is obtained. The goaf directional grouting permeation simulation device can carry out goaf directional grouting permeation simulation, facilitates mechanical property test of original state sampling, and has the characteristics of visualization, simulation, monitoring and the like.

The invention discloses a one-key performance test method, medium and equipment based on JMeter and template configuration, and the method comprises the steps: obtaining a parameterized performance test template from a template configuration center in response to a test instruction, injecting runtime parameters through a template engine, and generating an executable JMeter test plan; parsing the plan to identify a load pressure demand, thereby dynamically scheduling resources from a distributed load injector cluster and distributing a test plan; uniformly triggering test execution on the cluster, and synchronously acquiring a performance data stream from the JMeter and a resource data stream of the tested system; and finally, timestamp alignment and fusion are carried out on the two types of data streams, intelligent diagnosis is carried out on a formed monitoring data set based on a diagnosis rule base or an intelligent analysis model, and a visual test report containing bottleneck positioning, resource association and link tracking analysis results is generated. According to the invention, full-process automation and intelligentization of performance testing are realized, and the testing efficiency is remarkably improved.

The invention relates to a Python-based Web system automatic test method, which comprises the following steps of interface test data capture, page element acquisition, test framework establishment and establishment of a visual test platform by combining a UI (User Interface) and an interface case, in the interface test data capture, a charls tool is used for data capture, agent setting and SSL (Secure Socket Layer) certificate installation; after packet capturing is completed, file conversion in a yaml format is carried out; in the step of page element acquisition, related information of elements is acquired by using a method provided by Selenium, and a page is analyzed, processed and packaged. According to the method, the Web automatic test execution efficiency can be improved, the problem that the use threshold is too high is avoided, and the project risk and the labor cost are reduced.

The invention discloses a fabric waterproof performance testing device and a using method thereof, and belongs to the technical field of waterproof testing products, and the fabric waterproof performance testing device comprises a transparent shell, a fixing assembly, a spraying assembly and a control assembly. Wherein a display cavity is formed in the transparent shell; the fixing assembly is arranged in the display cavity, is detachably connected with the to-be-tested fabric and is used for fixing the to-be-tested fabric; the spraying assembly is arranged in the display cavity and is used for spraying water flow to the fabric to be detected; the control assembly is in signal connection with the spraying assembly, the control assembly can generate a control instruction to adjust spraying parameters of the spraying assembly, and the spraying parameters comprise a spraying mode and spraying time. The using method of the fabric waterproof performance testing device is applied to the fabric waterproof performance testing device. Through a highly visual test process, a consumer can clearly and visually observe the waterproof performance of the fabric to be tested in the test process.

The invention provides a visual testing method and equipment for display information in an automobile, and relates to the technical field of visual testing. The method provided by the invention comprises the following steps: photographing an information display area through an image acquisition instrument to obtain a target image; identifying display information from the target image, and judging whether the display information has double images or not; if no ghosting exists, determining a first visual size of the display information body, and determining a body view angle of the display information according to the first visual size; if the display information body has the double image, determining a first visual size of the display information body and a second visual size of the double image of the display information, and determining a double view angle of the display information according to the first visual size and the second visual size; and performing visual testing on display information according to the body view angle and the duplicate view angle. According to the invention, the performance of in-vehicle visual display can be tested, and whether information content can be expressed timely and effectively or not is judged.

The invention relates to the field of testing, and particularly discloses an Internet of Vehicles testing system and method, so as to improve the testing accuracy. The system comprises a sensing layer used for acquiring device state data of a plurality of Internet of Vehicles devices in a current time period; the edge computing layer is used for acquiring test context information corresponding to a current time period through a pre-trained first network model, generating a first test case based on the equipment state data and the test context information, and distributing the first test case to an edge computing module; the platform layer is used for generating a second test case according to the historical test data through a pre-trained second network model, and distributing the second test case to the edge computing module and / or the cloud equipment; the application layer is used for generating and displaying a visual test result according to test data generated by the edge calculation module and / or the cloud equipment for the test case; wherein the model parameters of the network model are dynamically adjusted by adjusting the penalty coefficient.

In some embodiments, initial feedback indicating threshold characteristics (under which a user sees initial stimuli presented on a user interface) may be provided to a prediction model, and a set of predicted characteristics (for a set of locations of the user interface) may be obtained via the prediction model. Based on predicted characteristics associated with one or more selected locations, stimuli may be presented at the selected locations during the visual test presentation. Visual defect information for the user may be generated based on feedback from the visual test presentation. In some embodiments, the selection of the locations to be tested during a visual test presentation may be performed based on a set of confidence scores associated with the predicted characteristics. As an example, the locations may be selected over one or more other locations of the set of locations based on the set of confidence scores.

The invention discloses an automated testing method and system based on an automated testing platform, and relates to the technical field of automated testing, the automated testing method based on the automated testing platform is applied to the automated testing platform, and the automated testing platform comprises a visual testing interface. A plurality of to-be-tested machines are managed through the visual test interface. The method comprises the following steps: creating a test task through the visual test interface; determining a bound to-be-tested machine according to the test task; and issuing the test task to the bound to-be-tested machine, so that the bound to-be-tested machine executes a corresponding test according to the test task. According to the invention, unified management is carried out on product automatic testing, so that the problem of disordered management of product automatic testing is solved.

A method and apparatus for generating a visual field pattern which serves as a subjective test protocol to evaluate central vision using dynamic image generation to prevent the brain from filling-in to provide better results of patient feedback and reporting of locations of visual disturbance. This enables effective central vision testing to detect the presence of visual field disruptions including scotoma, visual-neurological perceptual effects such as filling-in, and Troxler fading. The present method and apparatus can be used for vision monitoring and self-assessment, and more particularly for monitoring vision for damage or disease to the macula or retina.

The invention discloses a soil-rock interface soil body pore seepage and rock side wall seepage coupling characteristic test method, which comprises the following steps: step 1) designing a soil-rock interface contact seepage visual test system, carrying out a visual test, and obtaining a propulsion process of a soil-rock interface seepage wetting peak; step 2): constructing a soil-rock interface contact seepage model, and calculating model parameters in a coupling process; 3, the apparent permeability of the soil-rock interface is calculated. According to the method, the coupling characteristic change rule of soil body pore seepage and rock side wall seepage of the soil-rock interface can be effectively obtained, and powerful support is provided for researching the dynamic change and mechanism of the seepage phenomenon of the soil-rock interface.

The invention discloses a driver drowsiness detection method, electronic equipment and a storage medium. The electronic equipment collects electroencephalogram data of a driver in a driving state; performing drowsiness detection on the electroencephalogram data by using the trained drowsiness detection model to obtain a drowsiness detection result of the driver; the drowsiness detection result represents a drowsiness degree result of the driver in the current driving state; the trained drowsiness detection model is obtained by training the initial drowsiness detection model by using a training data set obtained based on a preset experiment task; the preset experiment tasks comprise a first preset task executed under static stimulation, a second preset task executed under dynamic stimulation and a third preset task used for determining a drowsiness level; the first preset task comprises a Carloin ska drowsiness test task and an alpha attenuation test task; the second preset task comprises a visual P300 test task and an auditory P300 test task; the third preset task comprises a mental movement warning task and a subjective scale task.

The invention discloses a hydraulic asphalt mixture seepage-proofing material heat-water-force coupling visualization test analysis system and a test method thereof, and belongs to the technical field of hydraulic engineering material tests.The hydraulic asphalt mixture seepage-proofing material heat-water-force coupling visualization test analysis system comprises a clamp holder, a transparent heat shrink tube is arranged in an inner cavity of the clamp holder, and a hydraulic asphalt mixture seepage-proofing material is wrapped in the transparent heat shrink tube; the top of the clamp holder is connected with a loading and measuring subsystem, the loading and measuring subsystem is connected with a fluid control subsystem, the fluid control subsystem is connected with a temperature regulation and control subsystem, the clamp holder is externally connected with a visual observation subsystem, the visual observation subsystem is externally connected with a computer, and the computer is connected with a computer. The technical problem that an existing testing system cannot visually observe performance evolution in the asphalt mixture under the thermal-hydraulic-mechanical coupling effect is solved.

The invention discloses a visual test device and method for porous medium displacement under different gravities. The micro-fluidic chip model module, the displacement injection module, the image acquisition module and the light source module are all placed in the model box shell, the model box shell is placed in a hanging basket of a centrifugal machine, fluid is stored in the displacement injection module and used for providing the fluid for the micro-fluidic chip model module, the displacement injection module is connected with the micro-fluidic chip model module, and the image acquisition module is connected with the light source module. The image acquisition module is used for acquiring optical image information of the micro-fluidic chip model module in a fluid displacement process; the method comprises the following steps: dyeing a primary fluid, installing the micro-fluidic chip, pushing a plastic injector by using an injection pump to inject the fluid into the micro-fluidic chip, and observing a flow migration mode and fluid distribution of the fluid in a displacement process in a porous medium. The device is simple and easy to manufacture, easy to operate and high in stability, model tests are carried out by utilizing supergravity and microgravity, and real-time observation of the two-phase fluid displacement process is realized.

The utility model discloses a visual test bridge calibration target, which relates to the technical field of calibration targets and comprises a shell, a shading baffle is fixedly mounted on the upper surface of the shell, and a lighting lamp strip used for conveniently finding the position of the target in a poor light environment is fixedly mounted on the surface of one side of the shell. The center of the shell is provided with a marking mechanism used for visual side-looking, the marking mechanism comprises a limiting frame, the limiting frame is fixedly installed on the surface of one side of the shell, the surface of one side of the shell is further provided with a mounting mechanism capable of adjusting the mounting mode, the mounting mechanism comprises a mounting plate, the mounting plate is fixedly installed on the surface of one side of the shell, and the limiting frame is fixedly installed on the surface of the other side of the shell. According to the technical scheme, the marking mechanism and the light-emitting assembly are arranged, so that the target can flexibly change the marking state or shape according to actual requirements, the practicability of the target is greatly improved, and it is ensured that the target can be kept clear and visible even in the environment with insufficient light.

The present invention relates to a multi-luminance visual navigation test field for performing a vision test on a test subject. The multi-luminance visual navigation test field comprises: a test map, which can be operated to form a plurality of test scenes, each of which is provided with a preset walking route; a plurality of static obstacles, which are arranged on the test map and are used to form obstacles on the test map to hinder the test subject's progress; and a light source assembly, which is used to provide a plurality of light intensities. The multi-luminance visual navigation test field solves the problem in the prior art that the route design of the MLMT scheme is a full white background and arrows are used to indicate the direction of travel, but since most RP patients have extremely low vision and show decreased panretinal light sensitivity mainly due to rod cell damage, the problem that patients have difficulty distinguishing route markings and thus have difficulty in detection is solved. The multi-luminance visual navigation test field has a wide range of applications, low cost and higher detection accuracy.

The invention discloses a carbon dioxide blasting cracking hard rock test device and an optimal parameter determination method, and relates to the technical field of carbon dioxide blasting cracking. The device comprises a visual test cabin module, a surrounding rock fracturing effect monitoring module and an environment simulation module, the optimal parameter determination method comprises the following steps: sampling on site and sealing and storing; assembling a testing device, and preliminarily determining a blasting parameter range through single-factor analysis; designing a response surface test scheme and preparing a test sample; the sample is placed in a visual test chamber, an environment simulation module is started, and the fracturing effect is monitored; and analyzing test data, and determining optimal blasting parameters through a multiple regression equation and a response surface diagram. The method is highly suitable for practical application, the interaction among the parameters is fully considered, the process parameters can be accurately predicted and optimized, and the method has wide applicability and high preciseness.

The invention provides an evaporation section simulator, a visual test section and a visual test system. The evaporation section simulator comprises a light-transmitting bearing container, at least one supporting piece and a liquid absorbing core. The light-transmitting bearing container is provided with a containing cavity used for containing a liquid metal working medium. The at least one supporting piece is arranged on the light-transmitting bearing container and located in the containing cavity; the supporting piece is located on the heat conduction wall of the light-transmitting bearing container, and the heat conduction wall faces the heating piece. The liquid absorbing core is separably arranged on the top of at least one supporting piece. The evaporation section simulator provided by the invention is simple in structure. The supporting piece is arranged on the heat conduction wall and close to the heating piece, the heat transfer characteristic of the alkali metal heat pipe under the real working condition is easily simulated, and the generation process and the triggering characteristic of boiling criticality are conveniently observed and researched.

The present application belongs to the technical field of geotechnical engineering and indoor test, and provides a visual test device and method for interaction between high-pressure rotary jet flow and soft soil, which comprises a detachable model box, a jet medium simulation system, a high-pressure rotary jet flow generation system, an overburden pressure simulation system, a data acquisition system and a tracing system.The test device has the advantages of high visual degree, detachability, easy assembly and easy production.The jet medium simulation system has significant shear thinning characteristics, and has a high degree of reduction of the non-Newtonian fluid properties of cement slurry, which not only overcomes the problem of easy blockage of the pipeline, but also avoids distortion defects.The trajectory of the fluorescent powder particles in the jet medium simulation system can be captured by a high-speed camera under the irradiation of the pulsating laser beam generated by the pulsating laser, so as to accurately reproduce the flow field information of the high-pressure rotary jet flow in the soft soil.

The invention discloses a cover layer grouting visualization test device and method, and relates to the technical field of grouting tests.The cover layer grouting visualization test device comprises a model box and a grouting structure, the model box is used for containing a cover layer simulation structure, the cover layer simulation structure is of a transparent structure, a grouting hole is formed in the model box, and the grouting hole is communicated with the cover layer simulation structure; the grouting hole is used for being connected with a grouting structure, the grouting structure pours grout into the model box through the grouting hole, a laser is arranged above the model box, a camera is arranged on one side of the model box and electrically connected with a computer, a camera is arranged on the other side of the model box and electrically connected with the computer, and the laser is used for emitting laser. A speckle field is generated after the laser acts on the covering layer simulation structure, the camera is used for shooting the speckle field, and the camera is used for shooting grouting diffusion. The cover layer grouting visualization test device and test method provided by the invention can realize visualization and non-contact monitoring of grouting.

A mobile device and a method for testing an individual's vision are provided, the mobile device including a screen for displaying at least one test pattern, such as a smartphone or a tablet computer. A test of the individual's vision is performed using the test pattern displayed on the screen of the mobile device, in particular for testing visual acuity, contrast sensitivity and / or visual disturbances. Further, a parameter influencing the test result is evaluated before and / or during performing the test. The parameter includes at least one of the distance between the eye of the individual and the screen; the brightness at which the test pattern is displayed; and the ambient luminosity.

A system may include a headset device comprising a display screen and an adaptive map perimetry algorithm that is configured to access or implement a normative database or model. The system may implement a VF test adapted to fit an area of the display screen based on values in the normative database or model and is rendered as a same or similar visualization compared to one or more different headset devices having different display screens having different respective shapes, formats, sizes, and / or resolutions. The system may receive visual test data indicating a visual field of the user and detect one or more initial test locations. The one or more initial test locations define one or more healthy clusters indicative of an absence of scatoma and one or more damaged clusters indicative of scotoma. The system may generate a spatial mapping identifying locations of the one or more damaged clusters.

There is provided a method for determining type of cataract by an electronic device. The method includes performing vision focus calibration for a user, determining central and peripheral regions of interest on a display of the electronic device based on fixated vision, performing a primary test for obtaining scores for the central and peripheral regions of interest, selecting at least one vision test mode based on the obtained score, and adapting at least one visual display parameter based on the obtained score and the selected at least one vision test mode. The method also includes determining a type of cataract from the selected at least one vision test mode, determining severity of the determined type of cataract, and providing the determined type of cataract and the determined severity with one or more recommendations to the user.

A virtual vision test can be performed to evaluate response time in detecting subtle visual changes under varying light conditions in a virtual reality (VR) environment. The test can be conducted using an electronic device with a head-mounted display (HMD) and a camera. The device can generate and render a VR user interface in a photorealistic virtual environment, simulating dynamic lighting scenarios. The device can continuously track eye movements in response to visual stimuli presented in these scenarios. The system can then evaluate the detection of subtle visual changes based on the tracked eye movements, and provide a comprehensive assessment of visual acuity and responsiveness under different lighting conditions.