CN109307585A - A kind of intelligent test system of nearly mesh formula display performance - Google Patents
A kind of intelligent test system of nearly mesh formula display performance Download PDFInfo
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- CN109307585A CN109307585A CN201810385053.8A CN201810385053A CN109307585A CN 109307585 A CN109307585 A CN 109307585A CN 201810385053 A CN201810385053 A CN 201810385053A CN 109307585 A CN109307585 A CN 109307585A
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- Prior art keywords
- formula display
- test
- mesh formula
- nearly mesh
- nearly
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
Abstract
The invention discloses a kind of intelligent test systems of nearly mesh formula display performance.The information such as spatial position, deflection angle of the nearly mesh formula display in test device are obtained using vision processing module；Position and three axis deflection angles of the equipment under test in three Spatial Dimensions are adjusted by three-dimensional precise guide rail and accurate holder；Intelligent controller realizes to include the functions such as feedback control, data acquisition and procession, intelligent decision.The present invention replaces manual operation to be intelligent automation process, combined high precision machine driving and visual pattern are handled, and keep test process more flexible, test result is more accurate, not only the Forecasting method of measurement result can be also improved to avoid manual operation bring subjective error；On the other hand it due to the testing process of intelligent automation, also ensures the repeatability of entire testing process, is convenient for subsequent testing research.
Description
Technical field
The invention belongs to field of intelligent control technology, in particular to a kind of intelligence test system of nearly mesh formula display performance
System.
Background technique
With being constantly progressive for virtual reality technology and augmented reality, application scenarios are also more and more, accordingly
Nearly mesh formula display product increasingly emerges in large numbers, but the integrated test system for measuring all kinds of nearly mesh formula display performances has not yet been reached
Mature degree.The nearly mesh formula display performance testing scheme for being currently available for reference is made a general survey of, it is found that there are one for these testing schemes
A little common problems: test macro the degree of automation is lower；Cause test equipment difficult for nearly mesh formula display display area is less than normal
The problem of to be directed at display area, most test macros are all made of the mode of manual calibration, generally require large area adjustment instrument,
There are artificial subjective errors, it is difficult to improve measurement accuracy, not can guarantee the objectivity and stability of test result, testing process
It can not quickly and effectively carry out.
Summary of the invention
In order to solve the technical issues of above-mentioned background technique proposes, the present invention is intended to provide a kind of nearly mesh formula display performance
Intelligent test system, effectively solve to ask because of test point alignment difficulties caused by nearly mesh display display area is small, field angle is small
Topic and test point manual confirmation bring test instability problem.
In order to achieve the above technical purposes, the technical solution of the present invention is as follows:
A kind of intelligent test system of nearly mesh formula display performance, including vision module, test equipment, intelligent controller,
Three axis holders and three-dimensional guide rail, three axis holders are mounted on three-dimensional guide rail, and nearly mesh formula display to be measured is mounted on three axis holders
On, vision module acquires the image that nearly mesh formula display front is shown, obtains nearly mesh formula display in the survey by vision operation
Spatial position and deflection angle in test system, and send these information to intelligent controller, intelligent controller is according to reception
To information control three axis holders and adjust pitch angle, deflection angle and the roll angle of nearly mesh formula display and control three-dimensional guide rail tune
The whole nearly mesh formula display spatial position three-dimensional in front and rear, left and right, height, until the display area of nearly mesh formula display and test
The best test point of instrument is aligned, and intelligent controller is according to default testing scheme under test equipment and nearly mesh formula display later
Measurement instruction is sent out, test equipment is tested according to measurement instruction, and test result is fed back to intelligent controller.
Preferred embodiment based on the above-mentioned technical proposal, the vision module include camera and visual signal processor, are taken the photograph
As head acquires the image that nearly mesh formula display front is shown, visual signal processor carries out vision operation to the image of acquisition, obtains
Obtain spatial position and deflection angle of the nearly mesh formula display in the test macro.
Preferred embodiment based on the above-mentioned technical proposal, the camera and test equipment are in same vertical plane, are taken the photograph
As head face direction and horizontal angle are 45 °.
Preferred embodiment based on the above-mentioned technical proposal, straight line where the best test point of test equipment be located at test equipment and
In the vertical plane that camera is in together, and the straight line keeps horizontal；The clamp of camera and test equipment and best test point
The angle of place straight line is 45 °.
Preferred embodiment based on the above-mentioned technical proposal, in the display area of nearly mesh formula display and the best survey of test equipment
After pilot alignment, intelligent controller controls three-dimensional guide rail and adjusts nearly mesh formula display at a distance from test equipment, and test equipment is pressed
It is tested according to preset bright rank, obtains different bright ranks, the brightness data under different measuring distances and contrast-data.
By adopting the above technical scheme bring the utility model has the advantages that
Present invention combination visual pattern processing technique and automated control technology realize that the intelligence of entire test process is automatic
Change characteristic, while effectively reducing the subjective error in test process, also further improve the repeatability of test job with
Stability.
Detailed description of the invention
Fig. 1 is the system composition block diagram of the invention；
Fig. 2 is system flow chart of the invention；
Fig. 3 is the best test point schematic diagram of test equipment of the present invention.
Specific embodiment
Below with reference to attached drawing, technical solution of the present invention is described in detail.
A kind of intelligent test system of nearly mesh formula display performance, as shown in Figure 1, including vision module, test equipment, intelligence
It can control device, three axis holders and three axis rails, three axis holders are mounted on three-dimensional guide rail, and nearly mesh formula display to be measured is mounted on
On three axis holders.Three-dimensional guide rail has the step motion control function of three, space dimension, it can be achieved that three axis holders placed on it
The adjustment of position precision three-dimensional.Have fixture on three axis holders, it can be achieved that the nearly mesh formula display of different model fixing assembling, and can
It realizes and the precision of nearly three shaft angle degree of mesh formula display is adjusted.Intelligent controller, can using computer or embedded device as core
It realizes at the test video Video Out of nearly mesh formula display, three-dimensional guide rail/tri- axis cradle head control functions, vision signal
Manage function, test equipment control function and measurement index computing function.Test equipment uses the standard photoelectricity test by calibration
Instrument, field range meet nearly mesh display apparatus test requirement, there is interface control information and feedback test data.
Vision module acquires the image that nearly mesh formula display front is shown, obtains nearly mesh formula display by vision operation and exists
Spatial position and deflection angle in this system, and send these information to intelligent controller, intelligent controller is according to reception
To information control three axis holders and adjust pitch angle, deflection angle and the roll angle of nearly mesh formula display and control three-dimensional guide rail tune
The whole nearly mesh formula display spatial position three-dimensional in front and rear, left and right, height, until the display area of nearly mesh formula display and test
The best test point of instrument is aligned, and intelligent controller is according to default testing scheme under test equipment and nearly mesh formula display later
Measurement instruction is sent out, test equipment is tested according to measurement instruction, and test result is fed back to intelligent controller.Whole system
Workflow is as shown in Figure 2.
Vision module includes camera and visual signal processor, and camera acquires the figure that nearly mesh formula display front is shown
Picture, visual signal processor carry out vision operation to the image of acquisition, obtain the space bit of nearly mesh formula display in the present system
It sets and deflection angle.The field of view of camera and self-service focusing speed are superior to test equipment.At camera and test equipment
In same vertical plane, camera face direction and horizontal angle are 45 °.It is straight where the best test point of test equipment
Line is located in the vertical plane that test equipment and camera are in together, and the straight line keeps horizontal；Camera and test equipment
The angle of straight line is 45 ° where clamp and best test point, as shown in Figure 3.
After the display area of nearly mesh formula display is aligned with the best test point of test equipment, intelligent controller control three
Dimension guide rail adjusts nearly mesh formula display at a distance from test equipment, and test equipment is tested according to preset bright rank, is obtained not
With the brightness data and contrast-data under bright rank, different measuring distances.Outputed test result by way of chart, is completed
After testing process several times, the test result difference of different processes is compared, summarize the stability of the test equipment and is repeated
Property, and propose Optimizing Suggestions etc..
Embodiment is merely illustrative of the invention's technical idea, and this does not limit the scope of protection of the present invention, it is all according to
Technical idea proposed by the present invention, any changes made on the basis of the technical scheme are fallen within the scope of the present invention.
Claims (5)
1. a kind of intelligent test system of nearly mesh formula display performance, it is characterised in that: including vision module, test equipment, intelligence
It can control device, three axis holders and three-dimensional guide rail, three axis holders to be mounted on three-dimensional guide rail, nearly mesh formula display to be measured is mounted on
On three axis holders, vision module acquires the image that nearly mesh formula display front is shown, calculates nearly mesh by machine vision algorithm
Spatial position and deflection angle of the formula display in the test macro, and these information are fed back into intelligent controller, intelligence
Controller according to the information that receives control three axis holders adjust nearly mesh formula display pitch angle, deflection angle and roll angle and
It controls three-dimensional guide rail and adjusts the nearly mesh formula display spatial position three-dimensional in front and rear, left and right, height, until nearly mesh formula display
Display area is aligned with the best test point of test equipment, later intelligent controller according to default testing scheme to test equipment and
Nearly mesh formula display sending measuring instruction, test equipment is tested according to measurement instruction, and test result is fed back to intelligence
Controller.
2. the intelligent test system of nearly mesh formula display performance according to claim 1, it is characterised in that: the vision module
Including camera and visual signal processor, camera acquires the image that nearly mesh formula display front is shown, visual signal processing
Device carries out vision operation to the image of acquisition, obtains spatial position and deflection angle of the nearly mesh formula display in the test macro
Degree.
3. the intelligent test system of nearly mesh formula display performance according to claim 2, it is characterised in that: the camera with
Test equipment is in same vertical plane, and camera face direction and horizontal angle are 45 °.
4. the intelligent test system of nearly mesh formula display performance according to claim 3, it is characterised in that: test equipment is most
Straight line where good test point is located in the vertical plane that test equipment and camera are in together, and the straight line keeps horizontal；Camera shooting
The angle of head and straight line where the clamp of test equipment and best test point is 45 °.
5. the intelligent test system of nearly mesh formula display performance described in any one of -4 according to claim 1, it is characterised in that:
After the display area of nearly mesh formula display is aligned with the best test point of test equipment, intelligent controller controls three-dimensional guide rail tune
Whole nearly mesh formula display at a distance from test equipment, tested according to preset bright rank by test equipment, obtains different bright ranks, no
With the brightness data and contrast-data under measuring distance.
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| CN201810385053.8A CN109307585A (en) | 2018-04-26 | 2018-04-26 | A kind of intelligent test system of nearly mesh formula display performance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110207952A (en) * | 2019-05-21 | 2019-09-06 | 东南大学 | It is a kind of for nearly mesh formula device display screen detection to Barebone and alignment methods |
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Application publication date: 20190205 |