CN110955333A - Method and system for testing comfort level of head-mounted virtual reality equipment - Google Patents
Method and system for testing comfort level of head-mounted virtual reality equipment Download PDFInfo
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Abstract
The invention discloses a method for testing the comfort level of head-mounted virtual reality equipment, which comprises the following steps: (1) generating a parameter variable sequence table according to the VR equipment to be tested, the standard VR video test signal and the experience duration; (2) distributing a certain number of testers to each tested device to obtain the data of the pre-test sequence table of each tester; (3) starting the VR equipment to be tested and a standard VR video test signal, and testing by a tester; acquiring the data of a sequence table in test of each tester in the test process; (4) comparing the data of the sequence table before and during the test one by one to calculate comfort level grading data of each tester; (5) and summarizing, counting and analyzing the comfort level grading data of all testers to obtain quantized comfort level grading data of the VR equipment, and finishing the comfort level grading test of the VR equipment. The invention also discloses a test system thereof, which obtains a test result with higher accuracy by corresponding subjective and objective test parameters.
Description
Technical Field
The invention relates to the technical field of virtual reality equipment manufacturing, in particular to a method and a system for testing comfort of head-mounted virtual reality equipment.
Background
Virtual Reality (VR) is a digital artificial environment with integrated multiple senses, such as visual sense, auditory sense, touch sense, smell sense, taste sense, etc. generated by modern high-technology means with computers as the core, and users interact with objects in the Virtual world in a natural way by means of some input and output devices, and influence each other, thereby generating the feeling and experience of being in the real environment. In brief, the VR technology provides a simulation of senses such as vision, hearing, and touch of a user by using a three-dimensional space generated by computer simulation, so that the user can experience a virtual world as if he were immersed.
A virtual reality head-mounted display device (VR head display for short) is a display device or system for experiencing virtual reality contents (including videos, games and industrial applications), the device is worn on the head of a user, images on a miniature display screen are amplified through a visual optical system positioned in front of the eyes of the user, and an immersive display effect is provided by matching with a computing, sensing, controlling and positioning unit. Consumption-level VR head-mounted display products basically establish three forms of a host VR (external virtual reality head-mounted display device), a mobile VR (shell-type virtual reality head-mounted display device) and an all-in-one VR (integrated virtual reality head-mounted display device).
The existing VR head can better realize the presence feeling and the immersion feeling, but still has the problems of dizziness, asthenopia and the like in use. Vertigo is the biggest technical bottleneck of virtual reality at present, has restricted the sufficient development of virtual reality industry greatly to can cause the injury to the human eye.
With the development of the virtual reality industry, domestic and foreign institutions develop research on detection and evaluation methods of VR head display in succession, and foreign IEEE virtual reality and augmented reality standard working groups hold and develop a virtual reality and augmented reality standard: equipment nomenclature and definitions, & ltv & ltvirtual reality & gt and augmented reality standard: terminology and quality grading for immersive video, & ltvirtual reality & gt augmented reality standard: five international VR standards such as file and stream format of immersive video. The definitions are mainly made for the terms and definitions of VR products, related video and interface formats. The domestic 'virtual reality head-mounted display equipment general specification' drawn by units such as Beijing university of science and engineering, China standardization institute and the like is released in 2017 in 4 months as the first autonomous formulation standard in the field of virtual reality in China, and the standard content comprises: the classification of the virtual reality head-mounted display device, system performance requirements (basic requirements, optical requirements, display requirements, tracking requirements, etc.) of the device, a test method of key parameters, etc.
At present, an immersive virtual reality quality evaluation method based on a human eye visual perception process disclosed by the prior art is a method for evaluating the dizziness degree of a VR head through testing the change of eye function physiological parameters of a tested person, but the prior art still has certain defects: 1. a professional human eye function physiological parameter testing instrument is required for testing, the cost is high, and a professional person is required for operation, so that the method is not beneficial to popularization and application; 2. the visual sensitivity index cannot comprehensively reflect the vertigo feeling and the fatigue feeling of the eyes of the user.
Disclosure of Invention
The invention aims to provide a method and a system for comparing and evaluating VR head dizziness and fatigue without depending on professional instruments and equipment, wherein subjective evaluation data obtained in the objective test process of a tested person is compared and analyzed, different comfort degrees brought to the tested person by the main performance of different VR head display equipment in the use process are compared, and a relatively objective test result is obtained, so that the invention can provide a convenient and efficient evaluation scheme with combined main and objective factors for VR production enterprises, consumers and supervision and detection organizations.
In order to achieve the purpose, the invention provides the following technical scheme:
a method for testing the comfort level of head-mounted virtual reality equipment is characterized by comprising the following steps:
step one, generating a parameter variable sequence table according to-be-tested VR equipment, standard VR video test signals and experience duration, wherein the sequence table is arranged from strong to weak according to relevance and comprises a simulator dizziness sequence table and a computer eye symptom sequence table, and each sequence table is assigned with a corresponding score according to severity or frequency degree;
step two, distributing a certain number of testers to each tested device, obtaining the data of the pre-test sequence table of each tester, and filling the pre-test sequence table by each tester respectively;
step three, starting the VR equipment to be tested and a standard VR video test signal, and simultaneously carrying out on-board test by a tester until a preset experience duration is reached; in the testing process, obtaining the data of a test sequence table of each tester (filling the test sequence table respectively in the testing process, specifically selecting the provided options and each option corresponding to a score);
step four, comparing the pre-test sequence table data and the in-test sequence table data of each tester one by one according to a set algorithm to obtain the individual comfort level grading data by calculating;
step five, summarizing, counting and analyzing comfort level grading data of all testers, eliminating individual physiological and subjective differences, counting and analyzing all tested test results to obtain quantized comfort level grading data of the VR equipment with obvious statistics, obtaining a comfort level grading result of the VR equipment, and completing the comfort level grading test of the VR equipment;
step six: and replacing another piece of equipment, repeating the third step to the fifth step, completing the comfort level grading test of another piece of VR equipment, and obtaining the comfort level grading result of the VR equipment.
The second step comprises the following steps:
step two, a main control computer, a data acquisition intelligent terminal and VR equipment are arranged, wherein the data acquisition intelligent terminal and the VR equipment are respectively connected with the main control computer;
secondly, distributing a certain number of testers to each tested device, distributing a data acquisition intelligent terminal corresponding to the tested devices to each tester, and filling a pre-test sequence list through the distributed data acquisition intelligent terminals of each tester before the on-line test;
and step two, after the testers complete the pre-test sequence list and determine the pre-test sequence list, the data acquisition intelligent terminal transmits the pre-test sequence list data of the testers to the main control computer through the network, and the main control computer stores the pre-test sequence list data so as to obtain the pre-test sequence list data of each tester.
The third step comprises the following steps:
step three, after the tester finishes the sequence table before testing, the tester sends a test starting instruction signal to the main control computer through the data acquisition intelligent terminal, and the main control computer receives the instruction signal and counts the test starting instruction signals sent by all the data acquisition intelligent terminals;
and step two, when the main control computer receives the test starting instruction signals sent by all the data acquisition intelligent terminals, the main control computer simultaneously sends standard VR comfort level test programs to all the tested equipment to carry out the on-machine test with the preset experience duration.
The standard VR comfort level test program comprises a VR experience content module and a real-time interactive system function module; the VR experience content module comprises a VR experience degree selection module and a VR experience duration selection module, the VR experience degree selection module can select different contents such as static, mild and violent contents, and the VR experience duration selection module can select VR experience test duration;
the real-time interaction system is used for generating a comfort level test sequence table, the interface of the real-time interaction system is fixed at the bottom of the VR panoramic view field, the experience of VR content is not influenced, the sequence table can be called out through a VR controller or a handle to be filled in real time, and the timeliness and the accuracy of data acquisition are guaranteed; when the testers subjectively feel obvious dizziness or fatigue symptoms, the testers can exit the test through the real-time interaction system, the system automatically records the time length from the experience starting moment to the exit moment of the testers, and the time length can be used as one of factors for evaluating the comfort degree of the VR equipment.
The fourth step further comprises the following steps:
step four, a tester fills in the generated comfort test sequence table in the test process, and VR equipment acquires and stores sequence table data of the test sequence table;
step two, after the testers complete the comfort level test sequence table and determine the comfort level test sequence table, the VR equipment transmits the comfort level test sequence table data serving as the test personnel's test sequence table data to the main control computer through the network, and the main control computer stores the data, so that the test sequence table data of each tester is obtained;
and step three, the main control computer receives the data of the pre-test sequence table and the data of the sequence table in the process of testing of all testers, performs statistical analysis on the data of the sequence table, performs statistics on the difference between the pre-test sequence table data and the sequence table data in the process of testing of the testers, obtains the absolute value of the difference, and calculates the comfort level grading data.
The first step comprises the following steps:
in the parameter variable sequence table, both the computer eye symptom sequence table and the simulator vertigo sequence table comprise 16 entries, wherein corresponding scores are given in the computer eye symptom sequence table according to the frequency degrees: never 0 point, occasionally 1 point, often/always 3 points; wherein, the simulator vertigo sequence table is endowed with corresponding scores according to severity: none, mild, moderate, 2, and severe scores of 0,1, 2, and 3.
The fifth step comprises the following steps:
fifthly, dividing the representative values of the parameters of the sequence table related to the comfort degree based on the human comfort degree evaluation standard into: very comfortable (0, 16), more comfortable (16, 32), slightly uncomfortable (32, 48), uncomfortable (48, 80), intolerable (80, 96), thereby achieving a grading of comfort for different VR devices;
and step two, counting and analyzing all tested test results, summarizing the comfort level grading data of all testers by the main control computer, calculating the average value of the comfort level grading data, obtaining the quantized comfort level grading data average value of the VR equipment with obvious statistics, and taking the obtained comfort level grading data average value as the comfort level grading result of the VR equipment to finish the comfort level grading test of the VR equipment.
A head-mounted virtual reality equipment comfort level test system for implementing the method is characterized by comprising the following steps: the intelligent data acquisition terminal and the VR equipment are respectively connected with the main control computer;
the main control machine is provided with a test and analysis program and a standard VR video test signal source, and the data acquisition intelligent terminal is provided with an interactive choice question sequence list program;
before each tester tests on the machine, a pre-test sequence table is filled in advance through a data acquisition intelligent terminal to obtain pre-test sequence table data of each tester, and the data are uploaded to a main control computer through a network;
when the computer is operated for testing, the main control computer simultaneously sends the same standard VR comfort level test program to the VR equipment, wherein the standard VR comfort level test program comprises a VR experience content module and a real-time interactive system function module;
the VR experience content module comprises a VR experience degree selection module and a VR experience duration selection module, different contents such as static, mild and violent can be selected by the VR experience degree selection module, and VR experience testing duration can be selected by the VR experience duration selection module.
The real-time interaction system is used for generating a comfort level test sequence table, the interface of the real-time interaction system is fixed at the bottom of the VR panoramic view field, the experience of VR content is not influenced, the sequence table can be called out through a VR controller or a handle to be filled in real time, and the timeliness and the accuracy of data acquisition are guaranteed; when the testers subjectively feel obvious dizziness or fatigue symptoms, the testers can exit the test through the real-time interaction system, the system automatically records the time length from the experience starting moment to the exit moment of the testers, and the time length can be used as one of factors for evaluating the comfort degree of the VR equipment.
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention relates to a method and a system for testing the comfort level of head-mounted virtual reality equipment, which adopt a testing method of mutually combining subjective and objective factors, and carry out statistics and analysis by a main control computer according to pre-test sequence table data filled by a tested person and test sequence table data filled in real time in the experience process to obtain quantized comfort level grading data of VR equipment with remarkable statistics, thereby realizing the grading of the comfort levels of different VR equipment, realizing the quantitative assessment of dizziness and eyestrain of VR head display equipment, providing a low-cost and high-efficiency test assessment method for the industry, and other novel display products can also be executed by reference, thereby having good popularization and application values.
(2) According to the method and the system for testing the comfort level of the head-mounted virtual reality equipment, the adopted subjective evaluation scale corresponds to the main performance of the equipment, the main symptoms of dizziness and eye fatigue are fully considered, a scale sequence table is designed aiming at the current technical bottleneck of VR head display, and the scale sequence table is set to correspond to the comfort level risk degree possibly caused by the VR head display.
(3) According to the method and the system for testing the comfort level of the head-mounted virtual reality equipment, the influence of VR content on dizziness and eyestrain is considered, three VR video test signals of fixed motion, gentle motion and violent motion are designed, the comfort level is evaluated by integrating the three test signals, the test process is convenient and efficient, and the test result is accurate.
To more clearly illustrate the structural features and effects of the present invention, the following detailed description is given with reference to specific examples.
Drawings
FIG. 1 is a block diagram of the overall flow of the test method of the present invention;
FIG. 2 is a flow chart of a comfort evaluation process of the testing method and system of the present invention;
FIG. 3 is a system composition topology of the system of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, the method for testing the comfort level of the head-mounted virtual reality device provided in this embodiment includes the following steps:
step one, generating a parameter variable sequence table according to-be-tested VR equipment, standard VR video test signals and experience duration, wherein the sequence table is arranged from strong to weak according to relevance and comprises a simulator dizziness sequence table and a computer eye symptom sequence table, and each sequence table is assigned with a corresponding score according to severity or frequency degree; the specific assignments are: never 0 points; occasionally 1; often/always 3 points;
the method specifically comprises the following steps: the parameter variable sequence table comprises a computer eye symptom sequence table and a simulator vertigo sequence table, which respectively comprise 16 items, wherein corresponding scores are given in the computer eye symptom sequence table according to frequency degrees: never 0 point, occasionally 1 point, often/always 3 points; wherein, the simulator vertigo sequence table is endowed with corresponding scores according to severity: none, mild, moderate, 2, and severe scores of 0,1, 2, and 3.
Step two, distributing a certain number of testers to each tested device, obtaining the data of the pre-test sequence table of each tester, and filling the pre-test sequence table by each tester respectively;
the method specifically comprises the following steps: step two, a main control computer, a data acquisition intelligent terminal and VR equipment are arranged, wherein the data acquisition intelligent terminal and the VR equipment are respectively connected with the main control computer;
secondly, distributing a certain number of testers to each tested device, distributing a data acquisition intelligent terminal corresponding to the tested devices to each tester, and filling a pre-test sequence list through the distributed data acquisition intelligent terminals of each tester before the on-line test;
and step two, after the testers complete the pre-test sequence list and determine the pre-test sequence list, the data acquisition intelligent terminal transmits the pre-test sequence list data of the testers to the main control computer through the network, and the main control computer stores the pre-test sequence list data so as to obtain the pre-test sequence list data of each tester.
Step three, starting the VR equipment to be tested and a standard VR video test signal, and simultaneously carrying out on-board test by a tester until a preset experience duration is reached; during the testing process, the in-test sequence list data of each tester is obtained. Specifically, each tester fills a sequence table in the test respectively in the test process, specifically, each option corresponds to a score by selecting the provided option;
the method specifically comprises the following steps: step three, after the tester finishes the sequence table before testing, the tester sends a test starting instruction signal to the main control computer through the data acquisition intelligent terminal, and the main control computer receives the instruction signal and counts the test starting instruction signals sent by all the data acquisition intelligent terminals;
step two, when the main control computer receives test starting instruction signals sent by all the data acquisition intelligent terminals, the main control computer simultaneously sends standard VR comfort level test programs to all the tested equipment to carry out on-machine test with preset experience duration;
the standard VR comfort level test program comprises a VR experience content module and a real-time interactive system function module;
the VR experience content module comprises a VR experience degree selection module and a VR experience duration selection module, the VR experience degree selection module can select different contents such as static, mild and violent contents, and the VR experience duration selection module can select VR experience test duration;
the real-time interaction system is used for generating a comfort level test sequence table, the interface of the real-time interaction system is fixed at the bottom of the VR panoramic view field, the experience of VR content is not influenced, the sequence table can be called out through a VR controller or a handle to be filled in real time, and the timeliness and the accuracy of data acquisition are guaranteed; when the testers subjectively feel obvious dizziness or fatigue symptoms, the testers can exit the test through the real-time interaction system, the system automatically records the time length from the experience starting moment to the exit moment of the testers, and the time length can be used as one of factors for evaluating the comfort degree of the VR equipment.
Step four, respectively comparing the data of the pre-test sequence table and the data of the in-test sequence table of each tester to obtain the individual comfort level grading data by calculating according to a set algorithm (the absolute value is obtained after the score of each item of data of the in-test sequence table is subtracted by the score of the item corresponding to the data of the pre-test sequence table) and the data of the in-test sequence table of each tester one by one;
the method specifically comprises the following steps: step four, a tester fills in the generated comfort test sequence table in the test process, and VR equipment acquires and stores sequence table data of the test sequence table;
step two, after the testers complete the comfort level test sequence table and determine the comfort level test sequence table, the VR equipment transmits the comfort level test sequence table data serving as the test personnel's test sequence table data to the main control computer through the network, and the main control computer stores the data, so that the test sequence table data of each tester is obtained;
and step three, the main control computer receives the data of the pre-test sequence table and the data of the sequence table in the process of testing of all testers, performs statistical analysis on the data of the sequence table, performs statistics on the difference between the pre-test sequence table data and the sequence table data in the process of testing of the testers, obtains the absolute value of the difference, and calculates the comfort level grading data.
And fifthly, summarizing, counting and analyzing comfort level grading data of all testers, eliminating individual physiological and subjective differences, counting and analyzing all tested test results, obtaining quantized comfort level grading data of the VR equipment with remarkable statistics, obtaining a comfort level grading result of the VR equipment, and completing the comfort level grading test of the VR equipment.
The method specifically comprises the following steps: fifthly, dividing the representative value of the comfort-related sequence table parameters based on the human comfort evaluation standard after arithmetic operation into five grades: very comfortable (0, 16), more comfortable (16, 32), slightly uncomfortable (32, 48), uncomfortable (48, 80), intolerable (80, 96), thereby achieving a grading of comfort for different VR devices;
and step two, counting and analyzing all tested test results, summarizing the comfort level grading data of all testers by the main control computer, calculating the average value of the comfort level grading data, obtaining the quantized comfort level grading data average value of the VR equipment with obvious statistics, and taking the obtained comfort level grading data average value as the comfort level grading result of the VR equipment to finish the comfort level grading test of the VR equipment.
Step six: and replacing another piece of equipment, repeating the third step to the fifth step, completing the comfort level grading test of another piece of VR equipment, and obtaining the comfort level grading result of the VR equipment.
A test system for implementing the comfort level test method for the head-mounted virtual reality equipment comprises the following steps: the intelligent data acquisition terminal and the VR equipment are respectively connected with the main control computer;
the main control machine is provided with a test and analysis program and a standard VR video test signal source, and the data acquisition intelligent terminal is provided with an interactive choice question sequence list program;
before each tester tests on the machine, a pre-test sequence table is filled in advance through a data acquisition intelligent terminal to obtain pre-test sequence table data of each tester, and the data are uploaded to a main control computer through a network;
when the computer is operated for testing, the main control computer simultaneously sends the same standard VR comfort level test program to the VR equipment, wherein the standard VR comfort level test program comprises a VR experience content module and a real-time interactive system function module;
the VR experience content module comprises a VR experience degree selection module and a VR experience duration selection module, different contents such as static, mild and violent can be selected by the VR experience degree selection module, and VR experience testing duration can be selected by the VR experience duration selection module.
The real-time interaction system is used for generating a comfort level test sequence table, the interface of the real-time interaction system is fixed at the bottom of the VR panoramic view field, the experience of VR content is not influenced, the sequence table can be called out through a VR controller or a handle to be filled in real time, and the timeliness and the accuracy of data acquisition are guaranteed; when the testers subjectively feel obvious dizziness or fatigue symptoms, the testers can exit the test through the real-time interaction system, the system automatically records the time length from the experience starting moment to the exit moment of the testers, and the time length can be used as one of factors for evaluating the comfort degree of the VR equipment.
In the method and system for testing comfort level of the head-mounted virtual reality device in this embodiment, the design key point is as follows:
(1) according to the method and the system for testing the comfort level of the head-mounted virtual reality equipment, provided by the embodiment of the invention, a testing method with corresponding subjective and objective indexes is adopted, the main control computer carries out statistics and analysis according to pre-test sequence table data filled by a tested person and a test sequence table data filled in real time in the experience process to obtain quantized comfort level grading data of VR equipment with remarkable statistics, the comfort level grading of different VR equipment is realized, the quantitative dizziness and eye fatigue evaluation of VR head display equipment is realized, a low-cost, high-efficiency, high-accuracy and reference value test evaluation method is provided for the industry, the method and the system can be executed by referring to other similar novel display products, and the popularization and application values are high.
(2) According to the method and the system for testing the comfort level of the head-mounted virtual reality equipment, the subjective evaluation scale fully considers the main symptoms of dizziness and eye fatigue, a scale sequence table is designed aiming at the current technical bottleneck of VR head display, and the scale sequence table is set to have a slight, medium and serious score range corresponding to the comfort level risk degree possibly caused by the VR head display.
(3) According to the method and the system for testing the comfort level of the head-mounted virtual reality equipment, disclosed by the embodiment of the invention, three VR video test signals, namely fixed, gentle movement and violent movement, are designed in consideration of the influence of VR content on dizziness and eyestrain, and the comfort level is evaluated by integrating the three test signals.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A method for testing the comfort level of head-mounted virtual reality equipment is characterized by comprising the following steps:
step one, generating a parameter variable sequence table according to-be-tested VR equipment, standard VR video test signals and experience duration, wherein the sequence table is arranged from strong to weak according to relevance and comprises a simulator dizziness sequence table and a computer eye symptom sequence table, and each sequence table is assigned with a corresponding score according to severity or frequency degree;
step two, distributing a certain number of testers to each tested device, obtaining the data of the pre-test sequence table of each tester, and filling the pre-test sequence table by each tester respectively;
step three, starting the VR equipment to be tested and a standard VR video test signal, and simultaneously carrying out on-board test by a tester until a preset experience duration is reached; in the testing process, obtaining the sequence table data in the test of each tester;
step four, comparing the pre-test sequence table data and the in-test sequence table data of each tester one by one according to a set algorithm to obtain the individual comfort level grading data by calculating;
and fifthly, summarizing, counting and analyzing comfort level grading data of all testers, eliminating individual physiological and subjective differences, counting and analyzing all tested test results, obtaining quantized comfort level grading data of the VR equipment with remarkable statistics, obtaining a comfort level grading result of the VR equipment, and completing the comfort level grading test of the VR equipment.
2. The method for testing the comfort level of a head-mounted virtual reality device according to claim 1, further comprising the steps of:
step six: and replacing another piece of equipment, repeating the third step to the fifth step, completing the comfort level grading test of another piece of VR equipment, and obtaining the comfort level grading result of the VR equipment.
3. The method for testing the comfort level of the head-mounted virtual reality device according to claim 1, wherein the second step comprises the following steps:
step two, a main control computer, a data acquisition intelligent terminal and VR equipment are arranged, wherein the data acquisition intelligent terminal and the VR equipment are respectively connected with the main control computer;
secondly, distributing a certain number of testers to each tested device, distributing a data acquisition intelligent terminal corresponding to the tested devices to each tester, and filling a pre-test sequence list through the distributed data acquisition intelligent terminals of each tester before the on-line test;
and step two, after the testers complete the pre-test sequence list and determine the pre-test sequence list, the data acquisition intelligent terminal transmits the pre-test sequence list data of the testers to the main control computer through the network, and the main control computer stores the pre-test sequence list data so as to obtain the pre-test sequence list data of each tester.
4. The method for testing the comfort level of the head-mounted virtual reality device according to claim 1, wherein the third step comprises the following steps:
step three, after the tester finishes the sequence table before testing, the tester sends a test starting instruction signal to the main control computer through the data acquisition intelligent terminal, and the main control computer receives the instruction signal and counts the test starting instruction signals sent by all the data acquisition intelligent terminals;
and step two, when the main control computer receives the test starting instruction signals sent by all the data acquisition intelligent terminals, the main control computer simultaneously sends standard VR comfort level test programs to all the tested equipment to carry out the on-machine test with the preset experience duration.
5. The method for testing the comfort level of the head-mounted virtual reality device according to claim 4, wherein the standard VR comfort level test program comprises a VR experience content module and a real-time interactive system function module;
the VR experience content module comprises a VR experience degree selection module and a VR experience duration selection module, the VR experience degree selection module can select different contents such as static, mild and violent contents, and the VR experience duration selection module can select VR experience test duration;
the real-time interaction system is used for generating a comfort level test sequence table, the interface of the real-time interaction system is fixed at the bottom of the VR panoramic view field, the experience of VR content is not influenced, the sequence table can be called out through a VR controller or a handle to be filled in real time, and the timeliness and the accuracy of data acquisition are guaranteed; when the testers subjectively feel obvious dizziness or fatigue symptoms, the testers can exit the test through the real-time interaction system, the system automatically records the time length from the experience starting moment to the exit moment of the testers, and the time length can be used as one of factors for evaluating the comfort degree of the VR equipment.
6. The method for testing the comfort level of the head-mounted virtual reality device according to claim 5, wherein the fourth step further comprises the following steps:
step four, a tester fills in the generated comfort test sequence table in the test process, and VR equipment acquires and stores sequence table data of the test sequence table;
step two, after the testers complete the comfort level test sequence table and determine the comfort level test sequence table, the VR equipment transmits the comfort level test sequence table data serving as the test personnel's test sequence table data to the main control computer through the network, and the main control computer stores the data, so that the test sequence table data of each tester is obtained;
and step three, the main control computer receives the data of the pre-test sequence table and the data of the sequence table in the process of testing of all testers, performs statistical analysis on the data of the sequence table, performs statistics on the difference between the pre-test sequence table data and the sequence table data in the process of testing of the testers, obtains the absolute value of the difference, and calculates the comfort level grading data.
7. The method for testing the comfort level of the head-mounted virtual reality device according to claim 1, wherein the first step comprises the following steps:
in the parameter variable sequence table, both the computer eye symptom sequence table and the simulator vertigo sequence table comprise 16 entries, wherein corresponding scores are given in the computer eye symptom sequence table according to the frequency degrees: never 0 point, occasionally 1 point, often/always 3 points; wherein, the simulator vertigo sequence table is endowed with corresponding scores according to severity: none, mild, moderate, 2, and severe scores of 0,1, 2, and 3.
8. The method for testing the comfort level of the head-mounted virtual reality device according to claim 7, wherein the step five comprises the following steps:
fifthly, dividing the representative values of the parameters of the sequence table related to the comfort degree based on the human comfort degree evaluation standard into: very comfortable (0, 16), more comfortable (16, 32), slightly uncomfortable (32, 48), uncomfortable (48, 80), intolerable (80, 96), thereby achieving a grading of comfort for different VR devices;
and step two, counting and analyzing all tested test results, summarizing the comfort level grading data of all testers by the main control computer, calculating the average value of the comfort level grading data, obtaining the quantized comfort level grading data average value of the VR equipment with obvious statistics, and taking the obtained comfort level grading data average value as the comfort level grading result of the VR equipment to finish the comfort level grading test of the VR equipment.
9. A head-mounted virtual reality device comfort testing system implementing the method of any one of claims 1-8, comprising: the intelligent data acquisition terminal and the VR equipment are respectively connected with the main control computer;
the main control machine is provided with a test and analysis program and a standard VR video test signal source, and the data acquisition intelligent terminal is provided with an interactive choice question sequence list program;
before each tester tests on the machine, a pre-test sequence table is filled in advance through a data acquisition intelligent terminal to obtain pre-test sequence table data of each tester, and the data are uploaded to a main control computer through a network;
when the computer is operated for testing, the main control computer simultaneously sends the same standard VR comfort level test program to the VR equipment, wherein the standard VR comfort level test program comprises a VR experience content module and a real-time interactive system function module;
the VR experience content module comprises a VR experience degree selection module and a VR experience duration selection module, different contents such as static, mild and violent can be selected by the VR experience degree selection module, and VR experience testing duration can be selected by the VR experience duration selection module.
10. The head-mounted virtual reality device comfort level testing system of claim 9, wherein the real-time interaction system is configured to generate a comfort level test sequence table, an interface of the real-time interaction system is fixed at the bottom of a VR panoramic view field, so that experience of VR content is not affected, the sequence table can be called out through a VR controller or a handle to be filled in real time, and timeliness and accuracy of data collection are guaranteed; when the testers subjectively feel obvious dizziness or fatigue symptoms, the testers can exit the test through the real-time interaction system, the system automatically records the time length from the experience starting moment to the exit moment of the testers, and the time length can be used as one of factors for evaluating the comfort degree of the VR equipment.
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