CN107888892B - The visual field test method and system of VR equipment - Google Patents
The visual field test method and system of VR equipment Download PDFInfo
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- CN107888892B CN107888892B CN201711084944.1A CN201711084944A CN107888892B CN 107888892 B CN107888892 B CN 107888892B CN 201711084944 A CN201711084944 A CN 201711084944A CN 107888892 B CN107888892 B CN 107888892B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3179—Video signal processing therefor
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3191—Testing thereof
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- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Abstract
The present invention provides a kind of visual field test method of VR equipment and system, method therein includes: to shoot to the image being incident upon on VR screen, obtains the first image；Along the center of the first image, one rectangle is set；The first image for being provided with rectangle is incident upon on VR screen and it is shot, obtains the second image；Then using the center of the second image as starting point, the four edges of rectangle is found along the surrounding of the starting point respectively in the second image, determine the four edges of rectangle whether in the second image；If the four edges of rectangle increase separately predetermined value in the second image, by the length for the rectangle being arranged in the first image and width, and re-start throwing screen shooting；If the wherein a line of rectangle is not in the second image, it is determined that the visual field of VR equipment is the length and width of current rectangle.Through the invention can the visual field simply and effectively to VR equipment test, improve VR equipment the quality of production, so that it is met the requirement of user.
Description
Technical field
The present invention relates to technical field of optical test, more specifically, be related to a kind of VR equipment visual field test method and
System.
Background technique
VR (Virtual Reality, virtual reality) passes through comprehensive utilization computer graphics system and various control equipment,
The three-dimensional environment that can be interacted can be generated for user, and user is made to generate feeling of immersion.Currently, VR technology can be widely used in life
The various fields such as amusement, urban planning, indoor design, industrial simulation, road & bridge design.When VR equipment is shown, user can not
See outdoor scene, can only see virtual image.
In VR equipment, virtual image seen by person can be made by generating one on VR screen by VR camera lens, then
In VR equipment, the size of the visual field of VR equipment determines that user observes the big of the virtual image generated on VR screen
It is small, it is therefore, particularly important to the visual field test of VR equipment.However, at present still can be to VR without a kind of effective test method
The visual field of equipment is tested, this can undoubtedly have an impact the quality of VR equipment, to reduce the usage experience of user.
Summary of the invention
In view of the above problems, the object of the present invention is to provide a kind of field angle test method of VR equipment and systems, with solution
The problem of visual field of VR equipment can not certainly being tested at present.
The present invention provides a kind of visual field test method of VR equipment, comprising:
The image being incident upon on VR screen is shot, the first image is obtained；
One rectangle, the length of rectangle and the wide length according to the first image are set along the center of the first image and width determines；
The first image for being provided with rectangle is incident upon on VR screen, and to the rectangle that is provided with being incident upon on VR screen
First image is shot, and the second image is obtained；
Using the center of the second image as starting point, the four edges of rectangle are found along the surrounding of starting point respectively in the second image,
Determine the four edges of rectangle whether in the second image；Wherein,
If in the second image, the length and wide difference of the rectangle in the first image will be arranged in the four edges of rectangle
Increase predetermined value, and re-starts throwing screen shooting；
If the wherein a line of rectangle is not in the second image, it is determined that the visual field of VR equipment be current rectangle length and
It is wide.
Furthermore it is preferred that mode are as follows: the length for the rectangle being arranged in the first image and width are increased separately into predetermined value, and
During re-starting throwing screen shooting, the long and wide rectangle for increasing separately predetermined value is launched into the first image, and right
Launching has the first image of long and the wide rectangle for increasing separately predetermined value to re-start shooting, to reacquire the second image.
Furthermore it is preferred that mode are as follows: launch the rectangle for increasing separately predetermined value with wide will be being grown into the first image
In the process, the center of the long and wide rectangle for increasing separately predetermined value is overlapped with the center of the first image.
Furthermore it is preferred that mode are as follows: along the center of the first image be arranged a rectangle during, along the first image
The color of the rectangle of center setting is different from the color of the first image.
Furthermore it is preferred that mode are as follows: the initial length of rectangle and the wide length for being respectively less than the first image and wide.
Furthermore it is preferred that mode are as follows: in the second image respectively along starting point surrounding find rectangle four edges refer to,
Find the four edges of rectangle in second image along the top of starting point, lower section, the left and right four direction respectively.
It corresponds to the above method, the present invention provides a kind of visual field test macro of VR equipment, comprising:
First image acquisition unit obtains the first image for shooting to the image being incident upon on VR screen；
A square is arranged in rectangle setting unit, the center for the first image acquired in the first image acquisition unit
Shape, the length of rectangle and the wide length according to the first image and width determine；
Second image acquisition unit will be thrown for launching rectangle set by rectangle setting unit into the first image
The first image for being placed with rectangle is incident upon on VR screen, and has the first image of rectangle to carry out the dispensing being incident upon on VR screen
Shooting obtains the second image；
Visual field determination unit, for using the center of the second image acquired in the second image acquisition unit as starting point,
Whether the four edges for finding rectangle in two images along the surrounding of starting point respectively, determine the four edges of rectangle in the second image；
Wherein, if the four edges of rectangle are in the second image, the length for the rectangle being arranged in the first image and width are increased respectively
Add predetermined value, and re-starts throwing screen shooting；
If the wherein a line of rectangle is not in the second image, it is determined that the visual field of VR equipment be current rectangle length and
It is wide.
The visual field test method and system for the VR equipment that aforementioned present invention provides, by the image being incident upon on VR screen
It is shot, obtains the first image；Along the center of the first image, one rectangle, the length of the rectangle and wide according to the first image are set
Length and width determine；The first image for being provided with rectangle is incident upon on VR screen and it is shot, obtains the second image；
Then using the center of the second image as starting point, the four edges of rectangle are found along the surrounding of the starting point respectively in the second image, really
The four edges of rectangle are determined whether in the second image；If the four edges of rectangle in the second image, will setting the
The length and width of rectangle in one image increase separately predetermined value, and re-start throwing screen shooting；If wherein one of rectangle
Side is not in the second image, it is determined that the visual field of VR equipment is the length and width of current rectangle.It through the invention can be simple and effective
The visual field of VR equipment is tested, improve the quality of production of VR equipment, it made to meet the requirement of user, improve user
Usage experience.
To the accomplishment of the foregoing and related purposes, one or more aspects of the present invention includes being particularly described below especially
The feature pointed out.Certain illustrative aspects of the invention is described in detail in the following description and the annexed drawings.However, these aspects refer to
What is shown is only that some of the various ways in the principles of the present invention can be used.In addition, the present invention is intended to include it is all this
A little aspects and their equivalent.
Detailed description of the invention
It is of the invention by reference to the description below in conjunction with attached drawing, and with a more complete understanding of the present invention
Other purposes and result will be more clearly understood and understood.In the accompanying drawings:
Fig. 1 is the first pass figure according to the visual field test method of the VR equipment of the embodiment of the present invention；
Fig. 2 is the second flow chart according to the visual field test method of the VR equipment of the embodiment of the present invention；
Fig. 3 is the logical construction block diagram according to the visual field test macro of the VR equipment of the embodiment of the present invention.
Identical label indicates similar or corresponding feature or function in all the appended drawings.
Specific embodiment
Hereinafter, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings.
It is aforementioned the visual field of VR equipment can not be tested at present aiming at the problem that, the present invention is by being incident upon VR screen
On image shot, obtain the first image；Along the center of the first image, one rectangle, the length of the rectangle and wide basis are set
The length and width of first image determine；The first image for being provided with rectangle is incident upon on VR screen and it is shot, is obtained
Second image；Then using the center of the second image as starting point, rectangle is found along the surrounding of the starting point respectively in the second image
Whether four edges determine the four edges of rectangle in the second image；If the four edges of rectangle, will in the second image
The length and width for the rectangle being arranged in the first image increase separately predetermined value, and re-start throwing screen shooting；If rectangle
Wherein a line is not in the second image, it is determined that the visual field of VR equipment is the length and width of current rectangle.Through the invention can
Simply and effectively the visual field of VR equipment is tested, the quality of production of VR equipment is improved, so that it is met the requirement of user, mention
The usage experience of high user.
The visual field test method of the VR equipment provided to illustrate the invention, Fig. 1 show VR according to an embodiment of the present invention
The first pass of the visual field test method of equipment.
As shown in Figure 1, the visual field test method of VR equipment provided by the invention includes:
S110: shooting the image being incident upon on VR screen, obtains the first image；
S120: one rectangle, the length of the rectangle and the wide length according to the first image and width are set along the center of the first image
It determines；
S130: the first image for being provided with rectangle is incident upon on VR screen, and to being incident upon being provided on VR screen
First image of rectangle is shot, and the second image is obtained；
S140: using the center of the second image as starting point, the four of rectangle are found along the surrounding of starting point respectively in the second image
Whether side, determine the four edges of rectangle in the second image；If the four edges of rectangle in the second image, enter
S150, if the wherein a line of rectangle not in the second image, enters S160；
S150: the length for the rectangle being arranged in the first image and width are increased separately into predetermined value, then return to S130；
S160: the visual field for determining VR equipment is the length and width of current rectangle.
It should be noted that a rectangle is arranged along the center of the first image and refers to first in above-mentioned steps S120
One rectangle is set centered on the center of image, and along the rectangle of the center of the first image setting it is initial it is long with it is wide by respectively less than the
The length and width of one image.
In addition, the length for the rectangle being arranged in the first image and width are increased separately predetermined number in above-mentioned steps S150
Value, and during re-starting throwing screen shooting is will to grow and the wide rectangle for increasing separately predetermined value is launched to the first image
In, and there is long and the wide rectangle for increasing separately predetermined value the first image to re-start shooting dispensing, to reacquire the
Two images.
Further, long during will grow with the wide rectangle dispensing for increasing separately predetermined value into the first image
It is overlapped with the center of the wide rectangle for increasing separately predetermined value with the center of the first image.That is, reacquiring second
It is equally one rectangle to be set along the center of the first image, and the length of the rectangle and width are the length and width of current rectangle when image
Value after increasing separately predetermined value.
In addition, a rectangle is being arranged along the center of the first image in order to preferably distinguish with the first image
In the process, the color for the rectangle being arranged along the center of the first image is different from the color of the first image.
In addition, above-mentioned refer to along the four edges that the surrounding of starting point finds rectangle respectively in the second image, in the second figure
Find the four edges of rectangle along the top of starting point, lower section, the left and right four direction respectively as in.
The present invention will be described in order to apparent, and Fig. 2 shows the views of VR equipment according to an embodiment of the present invention
The second procedure of field test method；It is as shown in Figure 2:
S210: shooting the image being incident upon on VR screen, generates the image A that a long * wide is M*N pixel；
S220: centered on the center of image A, the green rectangle D that a long * wide is (0.5M+2) * (0.5N+2) is drawn；
S230: D is launched into image A, is had the image A of D to shoot dispensing using camera, is obtained image B；
S240: using the center of image B as starting point, respectively along the top of the starting point, lower section, the left and right in image B
Four direction finds four sides L1, L2, L3 and L4 of green rectangle D；Four sides L1, L2, L3 and L4 such as fruit green rectangle D are equal
In image B, then enter S250, if the wherein a line of fruit green rectangle D is not in image B, then enters S260；
S250: the length of green rectangle D is increased separately into 2 pixels with wide, then returns to S230；
The visual field of S260:VR equipment is the length and width of current green rectangle D.
It corresponds to the above method, the present invention provides a kind of visual field test macro of VR equipment, and Fig. 3 is shown according to this hair
The logical construction of the visual field test macro of the VR equipment of bright embodiment.
As shown in figure 3, the visual field test macro 300 of VR equipment provided by the invention include the first image acquisition unit 310,
Rectangle setting unit 320, the second image acquisition unit 330, visual field determination unit 340.
Wherein, the first image acquisition unit 310 obtains the first figure for shooting to the image being incident upon on VR screen
Picture；A square is arranged in the center that rectangle setting unit 320 is used for first image acquired in the first image acquisition unit 310
Shape, the length of rectangle and the wide length according to the first image and width determine；Second image acquisition unit 330 is used for rectangle setting unit
Rectangle set by 320 is launched into the first image, has the first image of rectangle to be incident upon on VR screen dispensing, and to projection
Dispensing on VR screen has the first image of rectangle to be shot, and obtains the second image；Visual field determination unit 340 is used for the
The center of second image acquired in two image acquisition units 330 is starting point, and the surrounding in the second image respectively along starting point is sought
Whether the four edges for looking for rectangle determine the four edges of rectangle in the second image；Wherein, if the four edges of rectangle are
In two images, then the length for the rectangle being arranged in the first image and width are increased separately into predetermined value, and re-starts throwing screen and clap
It takes the photograph；If the wherein a line of rectangle is not in the second image, it is determined that the visual field of VR equipment is the length and width of current rectangle.
By above-mentioned it is found that the visual field test method and system of VR equipment provided by the invention are applicable to actual production
The visual field of VR equipment is tested in line, and simple and practical, can be improved the quality of production of VR equipment, it is made to meet user
Requirement, improve the usage experience of user.
The visual field test method and system of VR equipment according to the present invention are described in an illustrative manner above with reference to attached drawing.But
It is, it will be appreciated by those skilled in the art that the visual field test method and system of the VR equipment proposed for aforementioned present invention, also
Various improvement can be made on the basis of not departing from the content of present invention.Therefore, protection scope of the present invention should be by appended
The content of claims determines.
Claims (7)
1. a kind of visual field test method of VR equipment, comprising:
The image being incident upon on VR screen is shot, the first image is obtained；
Along the center of the first image, one rectangle, the length of the rectangle and wide length and width according to the first image are set
It determines；
The first image for being provided with rectangle is incident upon on the VR screen, and is provided with square to being incident upon on the VR screen
First image of shape is shot, and the second image is obtained；
Using the center of second image as starting point, the square is found along the surrounding of the starting point respectively in second image
Whether the four edges of shape determine the four edges of the rectangle in second image；Wherein,
If the length and width of the rectangle in the first image will be arranged in second image in the four edges of the rectangle
Predetermined value is increased separately, and re-starts throwing screen shooting；
If the wherein a line of the rectangle is not in second image, it is determined that the visual field of VR equipment is current rectangle
It is long and wide.
2. the visual field test method of VR equipment as described in claim 1, wherein in the rectangle that will be arranged in the first image
Long and width increases separately predetermined value, and during re-starting throwing screen shooting,
The rectangle that long and width increases separately predetermined value is launched into the first image, and has length to increase respectively with wide dispensing
The first image of the rectangle of predetermined value is added to re-start shooting, to reacquire the second image.
3. the visual field test method of VR equipment as claimed in claim 2, wherein increase separately predetermined value with width that will grow
During rectangle is launched into the first image,
The center of rectangle that long and width increases separately predetermined value is overlapped with the center of the first image.
4. the visual field test method of VR equipment as described in claim 1, wherein along the center of the first image setting one
During a rectangle,
The color for the rectangle being arranged along the center of the first image is different from the color of the first image.
5. the visual field test method of VR equipment as described in claim 1, wherein
The initial length of the rectangle and the wide length for being respectively less than the first image and width.
6. the visual field test method of VR equipment as described in claim 1, wherein
Refer to respectively along the four edges that the surrounding of the starting point finds the rectangle in second image, in second figure
Find the four edges of the rectangle along the top of the starting point, lower section, the left and right four direction respectively as in.
7. a kind of visual field test macro of VR equipment, comprising:
First image acquisition unit obtains the first image for shooting to the image being incident upon on VR screen；
A square is arranged in rectangle setting unit, the center for the first image acquired in the first image acquiring unit
Shape, the length of the rectangle and the wide length according to the first image are determined with width；
Second image acquisition unit will be thrown for launching rectangle set by rectangle setting unit into the first image
The first image for being placed with rectangle is incident upon on the VR screen, and has the first of rectangle to the dispensing being incident upon on the VR screen
Image is shot, and the second image is obtained；
Visual field determination unit, for using the center of the second image acquired in second image acquisition unit as starting point, in institute
State the four edges for finding the rectangle in the second image along the surrounding of the starting point respectively, determine the rectangle four edges whether
In second image；Wherein,
If the length and width of the rectangle in the first image will be arranged in second image in the four edges of the rectangle
Predetermined value is increased separately, and re-starts throwing screen shooting；
If the wherein a line of the rectangle is not in second image, it is determined that the visual field of VR equipment is the length of current rectangle
And width.
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| CN108776003B (en) * | 2018-06-08 | 2019-10-22 | 歌尔股份有限公司 | A kind of detection method of VR equipment |
| CN109186959B (en) * | 2018-09-28 | 2020-02-07 | 歌尔股份有限公司 | Method, device and equipment for detecting field curvature of VR optical module |
| CN110907142B (en) * | 2019-12-09 | 2021-08-03 | 中国科学院长春光学精密机械与物理研究所 | Visual somatosensory equipment testing system and method |
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