CN107690067B - The detection method and device of head-mounted display apparatus frame per second - Google Patents

The detection method and device of head-mounted display apparatus frame per second Download PDF

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Publication number
CN107690067B
CN107690067B CN201610638103.XA CN201610638103A CN107690067B CN 107690067 B CN107690067 B CN 107690067B CN 201610638103 A CN201610638103 A CN 201610638103A CN 107690067 B CN107690067 B CN 107690067B
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China
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head
display apparatus
mounted display
frame
frame per
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CN201610638103.XA
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Chinese (zh)
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CN107690067A (en
Inventor
陈卓
曾智
宋海涛
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成都理想境界科技有限公司
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Publication of CN107690067A publication Critical patent/CN107690067A/en
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Abstract

The present invention provides a kind of detection method of head-mounted display apparatus frame per second, comprising the following steps: head-mounted display apparatus is fixed on equipment supporter, the equipment supporter is with preset angular speed along axial-rotation;Angles of display identifies in the screen of the head-mounted display apparatus, indicates the rotation angle of the head-mounted display apparatus of the sensor detection of the head-mounted display apparatus;The image for acquiring the angle mark in real time by video camera, determines the frame per second of the head-mounted display apparatus.Present invention simultaneously provides a kind of detection devices of head-mounted display apparatus frame per second.The detection method and device of head-mounted display apparatus frame per second of the present invention can effectively improve the detection efficiency and detection accuracy of head-mounted display apparatus frame per second, and the frame per second suitable for wear-type virtual reality device detects.

Description

The detection method and device of head-mounted display apparatus frame per second

Technical field

The present invention relates to computer vision and field of artificial intelligence more particularly to a kind of head-mounted display apparatus frame per second Detection method and device.

Background technique

Virtual reality technology (Virtual Reality, abbreviation VR), passes through computer graphics, machine vision technique, people The technical constructions such as work intellectual technology go out the model of a simulation reality and realize human-computer interaction, generate identical in real world Feedback information obtains user and sensory experience same in real world to achieve the effect that enter in virtual world.

Currently, frame per second (Frame rate) is one of the technical parameter that virtual reality system and equipment need emphasis to improve. It is not true enough that low frame per second causes what comes into a driver's to there is discontinuous or distortion phenomenon, the virtual environment for feeling user.In addition, low frame per second Presence cause user that can generate the senses of discomfort such as nausea, dizziness for a long time.For the user's body of the virtual reality system of high quality For testing, it is most important that when refreshed image reaches the delay between eyes of user in real time on the movement of user's head physics and the helmet Between.Therefore, accurately the frame per second of detection head-mounted display apparatus is to judge the quality of wear-type virtual reality device, and solve head One of during wearing formula virtual reality device delay issue, need to solve the problems, such as first.

Summary of the invention

The object of the present invention is to provide a kind of detection method and device of head-mounted display apparatus frame per second, by will be to be detected Head-mounted display apparatus be fixed on preset angular speed rotation equipment supporter, pass through head-mounted display apparatus internal sensor The rotation angle of the head-mounted display apparatus is detected, and shows the angle mark for identifying the rotation angle in screen, is led to The image that video camera acquires the angle mark in real time is crossed, identifies that the angle in preset period of time identifies image, calculates and determines The frame per second of the head-mounted display apparatus effectively improves the detection efficiency and detection accuracy of head-mounted display apparatus frame per second, It is particularly suitable for the frame per second detection of wear-type virtual reality device.

In view of this, one aspect of the present invention provides a kind of detection method of head-mounted display apparatus frame per second, including following step It is rapid: head-mounted display apparatus to be fixed on equipment supporter, the equipment supporter is with preset angular speed along axial-rotation;Described Angles of display identifies in the screen of head-mounted display apparatus, indicates the head of the sensor detection of the head-mounted display apparatus Wear the rotation angle that formula shows equipment;The image for acquiring the angle mark in real time by video camera, determines that the wear-type is aobvious Show the frame per second of equipment.

Preferably, the Image Acquisition frame per second of the video camera is not less than 120fps.

Preferably, the image for acquiring the angle mark in real time by video camera, determines that the wear-type is shown and sets The step of standby frame per second, specifically: the angle for extracting the video camera acquisition in preset period of time frame by frame identifies image; The angle mark in each picture frame is identified, according to the image frames numbers n and expression formula p=s/ (n- identified with equal angular 1) frame per second of the head-mounted display apparatus, is determined, wherein p is frame per second, and s is the Image Acquisition frame per second of the video camera.

Preferably, the image for acquiring the angle mark in real time by video camera, determines that the wear-type is shown and sets The step of standby frame per second, specifically: the angle for extracting the video camera acquisition in preset period of time frame by frame identifies image; It identifies the angle mark in each picture frame, same set of frames will be divided into the picture frame that equal angular identifies, obtained Multiple images frame set;According to expression formula pi=s/ (Ni- 1) set of frames C is determinediThe corresponding head-mounted display apparatus Frame per second pi, s is the Image Acquisition frame per second of the video camera, NiFor described image frame set CiIn image frames numbers, i is positive Integer;

The frame per second mean value for calculating the corresponding head-mounted display apparatus of described multiple images frame set determines that the wear-type is aobvious Show the frame per second of equipment.

Preferably, described according to described multiple images frame set, the step of determining the frame per second of the head-mounted display apparatus, Specifically: by calculating the frame per second mean value of the corresponding head-mounted display apparatus of described multiple images frame set, worn described in determination Formula shows the frame per second of equipment.

Another aspect of the present invention provides a kind of detection device of head-mounted display apparatus frame per second, including equipment supporter, camera shooting Machine and frame per second computing module, it is characterised in that: the fixed head-mounted display apparatus of the equipment supporter, with preset angular speed along axis To rotation;Angles of display identifies in the screen of the head-mounted display apparatus, and the angle mark indicates the wear-type and shows The rotation angle of the head-mounted display apparatus of the sensor detection of equipment;The video camera acquires the angle mark in real time Image;The frame per second computing module identifies image according to the angle of video camera acquisition, determines that the wear-type is aobvious Show the frame per second of equipment.

Preferably, in the detection device of the head-mounted display apparatus frame per second, the Image Acquisition frame per second of the video camera is not Less than 120fps.

Preferably, the frame per second computing module, is also used to: extracting the video camera acquisition in preset period of time frame by frame The angle identifies image;The angle mark in each picture frame is identified, according to the image frames numbers n identified with equal angular With expression formula p=s/ (n-1), the frame per second of the head-mounted display apparatus is determined, wherein p is frame per second, and s is the figure of the video camera As acquisition frame rate.

Preferably, the frame per second computing module, is also used to: extracting the video camera acquisition in preset period of time frame by frame The angle identifies image;It identifies the angle mark in each frame image, will be divided into together with the picture frame that equal angular identifies One set of frames obtains multiple images frame set;According to expression formula pi=s/ (Ni- 1) set of frames C is determinediCorresponding institute State the frame per second p of head-mounted display apparatusi, s is the Image Acquisition frame per second of the video camera, NiFor described image frame set CiIn Image frames numbers, i are positive integer;It is equal by the frame per second for calculating the corresponding head-mounted display apparatus of described multiple images frame set Value, determines the frame per second of the head-mounted display apparatus.

The detection method and device of head-mounted display apparatus frame per second of the present invention, by by head-mounted display apparatus to be detected It is fixed on to preset the equipment supporter of angular speed rotation, it is aobvious to detect the wear-type by head-mounted display apparatus internal sensor Show the rotation angle of equipment, and show the angle mark for identifying the rotation angle in screen, is acquired in real time by video camera The image of the angle mark identifies that the angle in preset period of time identifies image, and calculating determines that the wear-type is shown and sets Standby frame per second.The detection method and device of the head-mounted display apparatus frame per second of the embodiment of the present invention, can effectively improve wear-type The detection efficiency and detection accuracy for showing equipment frame per second, the frame per second suitable for wear-type virtual reality device detect.

Detailed description of the invention

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art To obtain other drawings based on these drawings:

Fig. 1 shows the flow diagram of the detection method of the head-mounted display apparatus frame per second of first embodiment of the invention;

Fig. 2 shows the structural schematic diagrams of the detection device of the head-mounted display apparatus frame per second of second embodiment of the invention.

Specific embodiment

In order to be more clearly understood that objects, features and advantages of the present invention, with reference to the accompanying drawing and specific embodiment party Formula is described in further detail the present invention.It should be noted that in the absence of conflict, embodiments herein and reality Applying the feature in example can be combined with each other.

In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, this is only this Some embodiments of invention, the invention may also be implemented in other ways than those described herein, therefore, this hair Bright protection scope is not limited by the specific embodiments disclosed below.

Embodiment one

Fig. 1 shows the flow diagram of the detection method of the head-mounted display apparatus frame per second of first embodiment of the invention.

The detection method of head-mounted display apparatus frame per second according to an embodiment of the present invention, as shown in Figure 1, comprising: step Head-mounted display apparatus is fixed on equipment supporter by S101, and the equipment supporter is with preset angular speed along axial-rotation;Step S102, angles of display identifies in the screen of head-mounted display apparatus, indicates the sensor detection of the head-mounted display apparatus The head-mounted display apparatus rotation angle;Step S103 acquires the image of the angle mark by video camera in real time, Determine the frame per second of the head-mounted display apparatus.

The detection method of the head-mounted display apparatus frame per second of the embodiment of the present invention, head-mounted display apparatus is fixed on pre- If angular speed drives head-mounted display apparatus with preset angular speed along axis along the equipment supporter of axial 360 ° of rotations, equipment supporter To being rotated, wears display equipment and detect the rotation angle of the head-mounted display apparatus by internal sensor, and shielding The angle mark for indicating the rotation angle is shown in curtain, acquires the image of the angle mark, identification in real time by video camera Angle in preset period of time identifies image, calculates the frame per second for determining the head-mounted display apparatus.

In the above-mentioned technical solutions, it is preferable that the step S102, specifically: it is installed in advance in head-mounted display apparatus Application program, by the application program, angles of display is identified in the screen of head-mounted display apparatus, according to the wear-type Show that the rotation angle of the head-mounted display apparatus of device sensor real-time detection, the angle mark indicate that the wear-type is aobvious Show the rotation angle of equipment.The angle mark can be a digital angle marker disc, and the digital angle marker disc is with default Angle value carries out scale marker, for example, the digital angle marker disc is distributed 360 graduated scales with 1 ° for scale interval is even Know.According to the rotation angle for the head-mounted display apparatus that sensor detects, indicates and correspond in the digital angle marker disc Angle value.

In the above-mentioned technical solutions, it is preferable that the step S103, specifically: institute in preset period of time is extracted frame by frame State the angle mark image of video camera acquisition;The angle mark in each picture frame is identified, according to same angular The image frames numbers that scale is known, determine the frame per second of the head-mounted display apparatus.Specifically, video camera docking wear-type, which is shown, sets Standby eyepiece acquires the image of the digital angle marker disc shown in wear-type display device screen in real time.According to detected Eyes of user determines that the camera lens and the wear-type are aobvious at a distance from eyepiece in head-mounted display apparatus design specification Show the distance of the eyepiece of equipment, for example, 25mm.The Image Acquisition frame per second s of video camera is not less than 120 frames/second.By the video camera It is connect with display equipment, the digital angle that the video camera acquires in preset period of time is shown in the display equipment The image for spending marker disc, extracts the picture frame in the digital angle marker disc image frame by frame.It identifies in each picture frame Digital angle marker disc, determine the angle value indicated in the digital angle marker disc in described image frame.Choose any number The angle value indicated in angle marker disc, statistics obtain the quantity n of the picture frame of the display same angular angle value.According to following table The frame per second p of the head-mounted display apparatus is determined up to formula:

P=s/ (n-1)

In above-mentioned technical proposal, similarly, the step S103, specifically: it extracts frame by frame described in preset period of time The angle of video camera acquisition identifies image;The angle mark in each picture frame is identified, according to equal angular The image frames numbers of mark determine the frame per second of the head-mounted display apparatus.Specifically, video camera docks head-mounted display apparatus Eyepiece, acquire the image of digital angle marker disc shown in wear-type display device screen in real time.According to detected head It wears formula and shows that eyes of user is at a distance from eyepiece in equipment design specification, determine that the camera lens and the wear-type are shown The distance of the eyepiece of equipment, for example, 25mm.The Image Acquisition frame per second s of video camera is not less than 120 frames/second.By the video camera with It shows equipment connection, the digital angle that the video camera acquires in preset period of time is shown in the display equipment The image of marker disc extracts the picture frame in the digital angle marker disc image frame by frame.Identify the digital angle marker disc First picture frame F of image1In digital angle marker disc, determine the angle value A indicated in the digital angle marker disc1.After It is continuous to choose next image frame F2, identify described image frame F2The angle value A indicated in middle digital angle marker disc2, judge angle value A2With the angle value A1It is whether identical, if so, subsequent image frames are successively chosen, until judging picture frame FnMiddle digital angle The angle value and picture frame F of marker disc instructionn-1The angle value of middle digital angle marker disc instruction is different, then according to following expression Formula determines the frame per second p of the head-mounted display apparatus:

P=s/ (n-1)

In the above-mentioned technical solutions, it is preferable that the step S103, specifically: institute in preset period of time is extracted frame by frame State the angle mark image of video camera acquisition;It identifies the angle mark in each picture frame, will have equal angular The picture frame of mark divides same set of frames into, obtains multiple images frame set;According to described multiple images frame set, determine The frame per second of the head-mounted display apparatus.Specifically, the eyepiece of video camera docking head-mounted display apparatus, acquires wear-type in real time The image of the digital angle marker disc shown in display device screen.According in detected head-mounted display apparatus design specification Eyes of user at a distance from eyepiece, determine the camera lens at a distance from the eyepiece of the head-mounted display apparatus, for example, 25mm.The Image Acquisition frame per second s of video camera is not less than 120 frames/second.The video camera is connect with display equipment, described aobvious The image for showing the digital angle marker disc for showing that the video camera acquires in preset period of time in equipment, is extracted frame by frame Picture frame in the digital angle marker disc image.It identifies the digital angle marker disc in each picture frame, determines institute State the angle value of the digital angle marker disc mark in picture frame.By the angle value of the digital angle marker disc mark in picture frame Identical picture frame divides same set of frames C intoi, obtain multiple images frame set { C1,C2,…Cn}.In described multiple images In frame set, the set of frames of preset quantity is chosen, according to the image frames numbers in each set of frames, determines institute The frame per second of the corresponding head-mounted display apparatus of set of frames is stated, for example, in described image frame set CiIn, described in determination Set of frames CiIn image frames numbers Ni, described image frame set C is determined according to following formulaiIt is worn described in corresponding Formula shows the frame per second p of equipmenti:

pi=s/ (Ni-1)

According to the multiple images frame set of selection, the corresponding head-mounted display apparatus of described multiple images frame set is calculated Frame per second mean value determines the frame per second of the head-mounted display apparatus.

The detection method of the head-mounted display apparatus frame per second of the embodiment of the present invention, is set by showing wear-type to be detected It is standby to be fixed on to preset the equipment supporter of angular speed rotation, the wear-type is detected by head-mounted display apparatus internal sensor It shows the rotation angle of equipment, and shows the angle mark for identifying the rotation angle in screen, adopted in real time by video camera The image for collecting the angle mark identifies that the angle in preset period of time identifies image, calculates and determine that the wear-type is shown The frame per second of equipment.The detection method of the head-mounted display apparatus frame per second of the embodiment of the present invention can effectively improve wear-type and show The detection efficiency and detection accuracy of equipment frame per second, the frame per second suitable for wear-type virtual reality device detect.

Embodiment two

Fig. 2 shows the structural schematic diagrams of the detection device of the head-mounted display apparatus frame per second of second embodiment of the invention.

The detection device 100 of head-mounted display apparatus frame per second according to an embodiment of the present invention, as shown in Figure 2, comprising: equipment Bracket 101, video camera 102 and frame per second computing module 103, as shown in figure 3, equipment supporter 101 fixes head-mounted display apparatus, With preset angular speed along axial-rotation;Angles of display identifies in the screen of head-mounted display apparatus, the angle mark mark The rotation angle of the head-mounted display apparatus of the sensor detection of the head-mounted display apparatus;Video camera 102 is adopted in real time Collect the image of the angle mark;Frame per second computing module 103 identifies image according to the angle of the video camera 102 acquisition, Determine the frame per second of the head-mounted display apparatus.

The detection device of the head-mounted display apparatus frame per second of the embodiment of the present invention, the fixed wear-type of equipment supporter, which is shown, to be set It is standby, it drives head-mounted display apparatus to rotate 360 ° with preset angular speed along axial direction, wears display equipment and passed by internal Sensor detects the rotation angle of the head-mounted display apparatus, and the angle mark for indicating the rotation angle is shown in screen Know, acquire the image of the angle mark in real time by video camera, identifies that the angle in preset period of time identifies image, calculate Determine the frame per second of the head-mounted display apparatus.

In the above-mentioned technical solutions, it is preferable that application program is installed in advance in head-mounted display apparatus, passes through the application Program angles of display in the screen of head-mounted display apparatus identifies, according to the head-mounted display apparatus sensor real-time detection Head-mounted display apparatus rotation angle, angle mark indicates the rotation angle of the head-mounted display apparatus.It is described Angle mark can be a digital angle marker disc, and the digital angle marker disc carries out scale marker, example with preset angle angle value Such as, the digital angle marker disc is distributed 360 scale markers with 1 ° for scale interval is even.The head detected according to sensor The rotation angle that formula shows equipment is worn, indicates corresponding angle value in the digital angle marker disc.

In the above-mentioned technical solutions, it is preferable that the frame per second computing module 103 is also used to: extracting preset time week frame by frame The angle of the video camera acquisition identifies image in phase;The angle mark in each picture frame is identified, according to having The image frames numbers of equal angular mark, determine the frame per second of the head-mounted display apparatus.Specifically, 102 butt joint of video camera The eyepiece that formula shows equipment is worn, acquires the image of the digital angle marker disc shown in wear-type display device screen in real time.Root According to eyes of user in detected head-mounted display apparatus design specification at a distance from eyepiece, 102 camera lens of video camera is determined At a distance from the eyepiece of the head-mounted display apparatus, for example, 25mm.The Image Acquisition frame per second s of video camera 102 is not less than 120 Frame/second.The video camera 102 is connect with display equipment, shows the video camera 102 when default in the display equipment Between the image of the digital angle marker disc that acquires in the period, extract the image in the digital angle marker disc image frame by frame Frame.It identifies the digital angle marker disc in each picture frame, determines the digital angle marker disc middle finger in described image frame The angle value shown.The angle value indicated in any digital angle marker disc is chosen, statistics obtains the display same angular angle value The quantity n of picture frame.The frame per second p of the head-mounted display apparatus is determined according to following formula:

P=s/ (n-1)

In the above-mentioned technical solutions, it is preferable that the frame per second computing module 103 is also used to: extracting preset time week frame by frame The angle of the video camera acquisition identifies image in phase;The angle mark in each picture frame is identified, according to having The image frames numbers of equal angular mark, determine the frame per second of the head-mounted display apparatus.Specifically, 102 butt joint of video camera The eyepiece that formula shows equipment is worn, acquires the image of the digital angle marker disc shown in wear-type display device screen in real time.Root According to eyes of user in detected head-mounted display apparatus design specification at a distance from eyepiece, 102 camera lens of video camera is determined At a distance from the eyepiece of the head-mounted display apparatus, for example, 25mm.The Image Acquisition frame per second s of video camera 102 is not less than 120 Frame/second.The video camera 102 is connect with display equipment, shows the video camera 102 when default in the display equipment Between the image of the digital angle marker disc that acquires in the period, extract the image in the digital angle marker disc image frame by frame Frame.Identify the first picture frame F of the digital angle marker disc image1In digital angle marker disc, determine the digital angle The angle value A indicated in degree marker disc1.Continue to choose next image frame F2, identify described image frame F2Middle digital angle marker disc The angle value A of middle instruction2, judge angle value A2With the angle value A1It is whether identical, if so, subsequent image frames are successively chosen, Until judging picture frame FnThe angle value and picture frame F of middle digital angle marker disc instructionn-1Middle digital angle marker disc instruction Angle value is different, then the frame per second p of the head-mounted display apparatus is determined according to following formula:

P=s/ (n-1)

In the above-mentioned technical solutions, it is preferable that the frame per second computing module 103 is also used to: extracting preset time week frame by frame The angle of the video camera acquisition identifies image in phase;It identifies the angle mark in each picture frame, will have phase Picture frame with angle mark divides same set of frames into, obtains multiple images frame set;According to described multiple images frame collection It closes, determines the frame per second of the head-mounted display apparatus.Specifically, video camera 102 docks the eyepiece of head-mounted display apparatus, in real time The image of the digital angle marker disc shown in acquisition wear-type display device screen.According to detected head-mounted display apparatus Eyes of user determines the mesh of video camera 102 camera lens and the head-mounted display apparatus at a distance from eyepiece in design specification The distance of mirror, for example, 25mm.The Image Acquisition frame per second s of video camera 102 is not less than 120 frames/second.By the video camera 102 and show Show that equipment connects, the digital angle that the video camera 102 acquires in preset period of time is shown in the display equipment The image for spending marker disc, extracts the picture frame in the digital angle marker disc image frame by frame.It identifies in each picture frame Digital angle marker disc, determine in described image frame digital angle marker disc mark angle value.By the number in picture frame The identical picture frame of angle value of word angle marker disc mark divides same set of frames C intoi, obtain multiple images frame set {C1,C2,…Cn}.In described multiple images frame set, the set of frames of preset quantity is chosen, according to each image Image frames numbers in frame set determine the frame per second of the corresponding head-mounted display apparatus of described image frame set, for example, Described image frame set CiIn, determine described image frame set CiIn image frames numbers Ni, according to following formula determination Set of frames CiThe frame per second p of the corresponding head-mounted display apparatusi:

pi=s/ (Ni-1)

According to the multiple images frame set of selection, the corresponding head-mounted display apparatus of described multiple images frame set is calculated Frame per second mean value determines the frame per second of the head-mounted display apparatus.

The detection device of the head-mounted display apparatus frame per second of the embodiment of the present invention, is set by showing wear-type to be detected It is standby to be fixed on to preset the equipment supporter of angular speed rotation, the wear-type is detected by head-mounted display apparatus internal sensor It shows the rotation angle of equipment, and shows the angle mark for identifying the rotation angle in screen, adopted in real time by video camera The image for collecting the angle mark identifies that the angle in preset period of time identifies image, calculates and determine that the wear-type is shown The frame per second of equipment.The detection device of the head-mounted display apparatus frame per second of the embodiment of the present invention can effectively improve wear-type and show The detection efficiency and detection accuracy of equipment frame per second, the frame per second suitable for wear-type virtual reality device detect.

State again, all features disclosed in this specification or disclosed all methods or in the process the step of, in addition to Other than mutually exclusive feature and/or step, it can combine in any way.

Any feature disclosed in this specification (including any accessory claim, abstract and attached drawing), except non-specifically chatting It states, can be replaced by other alternative features that are equivalent or have similar purpose.That is, unless specifically stated, each feature is only It is an example in a series of equivalent or similar characteristics.

The invention is not limited to specific embodiments above-mentioned.The present invention can extend to any to drape over one's shoulders in the present specification The new feature of dew or any new combination, and disclose any new method or process the step of or any new combination.

Claims (9)

1. a kind of detection method of head-mounted display apparatus frame per second, which comprises the following steps:
Head-mounted display apparatus is fixed on equipment supporter, the equipment supporter is with preset angular speed along axial-rotation;
Angles of display identifies in the screen of the head-mounted display apparatus, indicates the sensor inspection of the head-mounted display apparatus The rotation angle for the head-mounted display apparatus surveyed;
The image for acquiring the angle mark in real time by video camera, determines the frame per second of the head-mounted display apparatus.
2. the detection method of head-mounted display apparatus frame per second according to claim 1, which is characterized in that the video camera Image Acquisition frame per second is not less than 120fps.
3. the detection method of head-mounted display apparatus frame per second according to claim 1 or 2, which is characterized in that described to pass through The step of video camera acquires the image of the angle mark in real time, determines the frame per second of the head-mounted display apparatus, specifically:
The angle for extracting the video camera acquisition in preset period of time frame by frame identifies image;
The angle mark in each picture frame is identified, according to the image frames numbers n and expression formula p=s/ identified with equal angular (n-1), the frame per second of the head-mounted display apparatus is determined, wherein p is frame per second, and s is the Image Acquisition frame per second of the video camera.
4. the detection method of head-mounted display apparatus frame per second according to claim 1 or 2, which is characterized in that described to pass through The step of video camera acquires the image of the angle mark in real time, determines the frame per second of the head-mounted display apparatus, specifically:
The angle for extracting the video camera acquisition in preset period of time frame by frame identifies image;
It identifies the angle mark in each picture frame, same set of frames will be divided into the picture frame that equal angular identifies, Obtain multiple images frame set;
According to expression formula pi=s/ (Ni- 1) set of frames C is determinediThe frame per second p of the corresponding head-mounted display apparatusi, s is The Image Acquisition frame per second of the video camera, NiFor described image frame set CiIn image frames numbers, i is positive integer;
The frame per second mean value for calculating the corresponding head-mounted display apparatus of described multiple images frame set, determines that the wear-type is shown and sets Standby frame per second.
5. the detection method of head-mounted display apparatus frame per second according to claim 4, which is characterized in that described according to Multiple images frame set, the step of determining the frame per second of the head-mounted display apparatus, specifically:
By calculating the frame per second mean value of the corresponding head-mounted display apparatus of described multiple images frame set, determine that the wear-type is aobvious Show the frame per second of equipment.
6. a kind of detection device of head-mounted display apparatus frame per second, comprising: equipment supporter, video camera and frame per second computing module, It is characterized in that:
The fixed head-mounted display apparatus of the equipment supporter, with preset angular speed along axial-rotation;
Angles of display identifies in the screen of the head-mounted display apparatus, and the angle mark indicates the head-mounted display apparatus Sensor detection the head-mounted display apparatus rotation angle;
The video camera acquires the image of the angle mark in real time;
The frame per second computing module identifies image according to the angle of video camera acquisition, determines that the wear-type is shown The frame per second of equipment.
7. the detection device of head-mounted display apparatus frame per second according to claim 6, which is characterized in that the video camera Image Acquisition frame per second is not less than 120fps.
8. the detection device of head-mounted display apparatus frame per second according to claim 6 or 7, which is characterized in that the frame per second Computing module is also used to:
The angle for extracting the video camera acquisition in preset period of time frame by frame identifies image;
The angle mark in each picture frame is identified, according to the image frames numbers n and expression formula p=s/ identified with equal angular (n-1), the frame per second of the head-mounted display apparatus is determined, wherein p is frame per second, and s is the Image Acquisition frame per second of the video camera.
9. the detection device of head-mounted display apparatus frame per second according to claim 6 or 7, which is characterized in that the frame per second Computing module is also used to:
The angle for extracting the video camera acquisition in preset period of time frame by frame identifies image;
It identifies the angle mark in each frame image, same set of frames will be divided into the picture frame that equal angular identifies, Obtain multiple images frame set;
According to expression formula pi=s/ (Ni- 1) set of frames C is determinediThe frame per second p of the corresponding head-mounted display apparatusi, s is The Image Acquisition frame per second of the video camera, NiFor described image frame set CiIn image frames numbers, i is positive integer;
By calculating the frame per second mean value of the corresponding head-mounted display apparatus of described multiple images frame set, determine that the wear-type is aobvious Show the frame per second of equipment.
CN201610638103.XA 2016-08-05 2016-08-05 The detection method and device of head-mounted display apparatus frame per second CN107690067B (en)

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