CN207367237U - A kind of optics motion capture system for VR photographies - Google Patents
A kind of optics motion capture system for VR photographies Download PDFInfo
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- CN207367237U CN207367237U CN201721138020.0U CN201721138020U CN207367237U CN 207367237 U CN207367237 U CN 207367237U CN 201721138020 U CN201721138020 U CN 201721138020U CN 207367237 U CN207367237 U CN 207367237U
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Abstract
The utility model discloses a kind of active optical motion capture system, including camera connected in sequence, interchanger, host and active light-emitting device, interchanger is used to the shutter of camera and exposure signal being transmitted to host；Host is used to powering to active light-emitting device and controlling lighting and extinguishing for active light-emitting device；Active light-emitting device is changed by light identity information passing to camera as mark point.Active optical motion capture system provided by the utility model, passive witch ball is replaced as mark point using active light-emitting device, the infrared light-emitting diode of active light-emitting device launches infrared light when lighting so that camera can also perceive mark point at a distance；And by means of communication, the shutter of camera and exposure information are passed to host by interchanger, and host controls active light-emitting device to realize that infrared light-emitting diode sequential is synchronous with camera shutter again, effectively improves the accuracy of identification and stability of motion capture system.
Description
Technical field
It the utility model is related to VR technical fields, more particularly to a kind of optics motion capture system for VR photographies.
Background technology
Virtual reality (Virtual Reality, abbreviation VR, and translations spirit border, unreal true) is the high-new skill occurred in recent years
Art, also referred to as virtual reality or artificial environment.Virtual reality is that the virtual world of a three dimensions is produced using computer simulation, is carried
For simulation of the user on sense organs such as vision, the sense of hearing, tactiles, allow user as being personally on the scene, can in time, do not have
Things in limitation ground observation three-dimensional space.
With the development of virtual reality technology, optical locating techniques extensive use is got up, the shooting of VR motion capture cameras
The mark point being covered with object is caught, mark point reflection is by the light sent in VR motion capture cameras, more motion captures
Video camera gathers mark point position from different perspectives, transmits it to computer, after vision algorithm filtering useless information, obtains
Obtain mark point position.
But at present during mark point is caught, with catching object away from VR motion capture cameras, on object
The intensity or more and more weaker of light that receives of mark point, and then the intensity of the light reflected also can be more and more weaker, this can
VR motion capture cameras can be caused not receive the light of mark point reflection, so that the position of mark point can not be captured.
Therefore, VR motion capture cameras not high skill of accurate rate when catching remote mark point exists in the prior art
Art problem.
Utility model content
The utility model embodiment provides a kind of optics motion capture system for VR photographies, solves in the prior art
Accurate rate not high technical problem when existing VR motion capture cameras catch remote mark point.
To achieve these goals, the technical solution that the utility model embodiment is taken is as follows：
A kind of optics motion capture system for VR photographies, including：
Light-emitting device and camera；
The light-emitting device include control module, the current-limiting resistance that is connected with the control module and with the current-limiting resistance
The light emitting diode group of connection, the light-emitting device are connected with power supply；
The camera is internally provided with photosensitive sensor and the processor being connected with the photosensitive sensor.
Preferably, described in the optics motion capture system of VR photographies, the light-emitting device to be specially luminescent ball.
Preferably, described in the optics motion capture system of VR photographies, the light emitting diode group to be specially red
UV light-emitting diode group.
Preferably, described in the optics motion capture system of VR photographies, 5 to be no less than in the light emitting diode group
A light emitting diode monomer.
Preferably, described in the optics motion capture system of VR photographies, the power supply to be specially mobile power.
Preferably, described in the optics motion capture system of VR photographies, the camera to be also upper with one
Machine connects.
Preferably, in the optics motion capture system photographed for VR, the camera and the host computer
Connected by wireless telecommunications.
Compared with prior art, a kind of optics motion capture system for VR photographies that the utility model embodiment provides
At least have the following technical effects or advantages：
Due to the optics motion capture system for being used for VR photographies that the utility model embodiment provides, sent out by using active
Electro-optical device replaces passive reflex reflector to reduce the distance of light transmission as the mark point for catching object, also reduce at the same time
The weak degree of light intensity so that camera device more preferably can more accurately capture the position of mark point, so that it is determined that catching
The action of object, improves the precision of motion capture.
Further, since what the utility model embodiment provided is used in the optics motion capture system of VR photographies, hair
Optical diode group is concentrated in together by multiple light emitting diode monomers so that the light emitting diode group can shine to multiple directions
Penetrate, lift mark point detection range.
Further, since what the utility model embodiment provided is used in the optics motion capture system of VR photographies, lead to
The photosensitive sensor crossed in camera device obtains the frequency that light-emitting device shines, and then can be obtained by processor analyzing and processing
The identity information of object is caught, avoids the identity for occurring that each seizure object can not be told, or even lose and catch object
Situation.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of optics motion capture system for VR photographies in the utility model embodiment.
Embodiment
The utility model embodiment discloses a kind of optics motion capture system for VR photographies, including：Light-emitting device
And camera；The current-limiting resistance and current limliting electricity that the light-emitting device includes control module, is connected with the control module
The light emitting diode group of connection is hindered, the light-emitting device is connected with power supply；The camera is internally provided with photosensitive sensor
The processor being connected with the photosensitive sensor.
In the utility model embodiment, due to replacing passive reflex reflector as seizure pair by using active light-emitting device
The mark point of elephant, reduces the distance of light transmission, while also reduces the weak degree of light intensity so that camera device can
The more preferable position for more accurately capturing mark point, so that it is determined that catching the action of object, improves the precision of motion capture.
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, those of ordinary skill in the art's all other embodiments obtained without making creative work, belongs to
The scope of the utility model protection.
First, the background technology of the utility model embodiment is introduced.
Virtual reality (Virtual Reality, abbreviation VR) is the new and high technology occurred in recent years, also referred to as virtual reality or
Artificial environment.Virtual reality be using computer simulation produce a three dimensions virtual world, there is provided user on vision,
The simulation of the sense organs such as the sense of hearing, tactile, allows user as being personally on the scene, and can observe three degree of skies in time, without limitation
Interior things.
Virtual reality is the synthesis of multiple technologies, including real-time three-dimensional computer graphics techniques, and wide-angle (the wide visual field) is three-dimensional
Display Technique, feels that feedback, stereo, network transmission, voice are defeated to the tracking technique of observer's head, eye and hand, and tactile/power
Enter export technique etc..
One of main feature of virtual reality technology is its interactivity, interactivity can make the people of real world with
Virtual environment can carry out the comprehensive interaction such as vision, tactile, power, the sense of hearing.And people and virtual ring are realized by human action
The interaction in border is a kind of important interaction mode, it can make it that interactive operation is easy directly, adds the sense of reality, it is interactive more
By force.
The interaction of people and virtual environment is realized based on human action capturing technology to realize by human action, is acted
Capturing technology can record the action of human body in a manner of numeral, and be transmitted to host, carry out human action analysis, mutual to realize
It is dynamic.
Existing motion capture shoots the mark point for catching and being covered with object, mark typically by VR motion capture cameras
Note point reflection gathers mark point from different perspectives by the light that is sent in VR motion capture cameras, more motion capture cameras
Position, transmits it to computer, after vision algorithm filtering useless information, obtains mark point position.
But at present during mark point is caught, with catching object away from VR motion capture cameras, on object
The intensity or more and more weaker of light that receives of mark point, and then the intensity of the light reflected also can be more and more weaker, this can
VR motion capture cameras can be caused not receive the light of mark point reflection, so that the position of mark point can not be captured.
The utility model preferred embodiment is described in detail below.
Please refer to Fig.1, the utility model embodiment discloses a kind of optics motion capture system for VR photographies, bag
Include：Light-emitting device 1 and camera 2；The current-limiting resistance 12 that light-emitting device 1 includes control module 11, is connected with control module 11
With the light emitting diode group 13 being connected with current-limiting resistance 12, light-emitting device 1 is connected with power supply 3；Camera 2 is internally provided with sense
Optical sensor 21 and the processor 22 being connected with photosensitive sensor 21.
Wherein, as preference, light-emitting device 1 selects luminescent ball, control module 11, current-limiting resistance 12 and light emitting diode
Group 13 is located at ball interior.
In specific implementation process, in order to which the light that the light-emitting device enable is sent transmits farther distance, as excellent
Choosing, 13 specifically chosen infrared light-emitting diode of light emitting diode group.Since the wavelength of infrared light is longer, compared to other wavelength
Light, light transmit during be easier cut-through thing, be delivered to farther place.
Further, during due to photographing in VR, typically caught from different angles using multiple cameras 2
The mark point on object is caught, therefore, in order to make multiple cameras 2 to capture the mark point on the seizure object,
In specific implementation process, it is preferred that as the light-emitting device 1 of mark point, 5 are no less than in its internal light emitting diode group 13
A light emitting diode monomer, multiple light emitting diode monomers are concentrated in together, each light emitting diode monomer direction is different
Direction, enable light-emitting device 1 to multiple directions irradiate, lifted light-emitting device 1 detection range.
In order to enable light-emitting device 1 to shine, light-emitting device 1 is connected with a power supply 3.In specific implementation process, energy
Power type enough for the power supply of light-emitting device 1 is very much, such as dry cell, city power supply source etc., in order to be stably the dress that shines
1 power supply is put, while is carried easy to catch object, as preference, 3 specifically chosen mobile power of power supply.
The course of work for being used for the optics motion capture system that VR photographs that the utility model embodiment provides is as follows：
First, it will be tied to and caught on object as the light-emitting device 1 of mark point, which can be people, also may be used
To be animal, it might even be possible to be the non-inanimate object such as automobile, do not limit herein.
After having bound light-emitting device 1, the power supply 3 of light-emitting device 1 is opened, the control module 11 in light-emitting device 1 provides hair
The drive signal of optical diode 13, control light emitting diode 13 are lighted or extinguished, it is understood that are that control module 11 carries
For the drive signal of light emitting diode 13, the luminous frequency of control light emitting diode 13.
In order to adapt to shooting demand, current-limiting resistance 12, current-limiting resistance 12 and light emitting diode are additionally provided with light-emitting device 1
13 connections, the luminous intensity of light emitting diode 13 is controlled by current-limiting resistance 12.
After mark point is ready, the mark point on the seizure object is captured by camera 2, passes through capture
Mark point confirms the action of the seizure object.
In specific implementation process, catch object may have it is multiple, when it is multiple seizure objects all apart from camera 2 very
When remote, it is easy to there is the situation for the identity that can not tell each seizure object, in addition it is excessive when catching object, it is also possible to go out
Active catches the situation of object.In order to avoid occurring that the identity of each seizure object can not be told, or even lose seizure pair
The situation of elephant, camera 2 are internally provided with photosensitive sensor 21 and the processor 22 being connected with photosensitive sensor 21, work as photography
For device 2 when catching the action of object, photosensitive sensor 21 can experience the glow frequency of light-emitting device 1, then handle
Device 22 confirms the corresponding identity information for catching object of the light-emitting device 1 according to glow frequency.
In order to generate the VR images for catching object in time, as preference, to be also associated with one upper for camera 2
Machine, after camera 2 captures the action for catching object, is transmitted to host computer, host computer by the image information of seizure in real time
Described image information according to receiving generates VR images in time.
Further, for the ease of shooting, as preference, using channel radio between camera 2 and the host computer
News connection.
Compared with prior art, a kind of optics motion capture system for VR photographies that the utility model embodiment provides
At least have the following technical effects or advantages：
Due to the optics motion capture system for being used for VR photographies that the utility model embodiment provides, sent out by using active
Electro-optical device replaces passive reflex reflector to reduce the distance of light transmission as the mark point for catching object, also reduce at the same time
The weak degree of light intensity so that camera device more preferably can more accurately capture the position of mark point, so that it is determined that catching
The action of object, improves the precision of motion capture.
Further, since what the utility model embodiment provided is used in the optics motion capture system of VR photographies, hair
Optical diode group is concentrated in together by multiple light emitting diode monomers so that the light emitting diode group can shine to multiple directions
Penetrate, lift mark point detection range.
Further, since what the utility model embodiment provided is used in the optics motion capture system of VR photographies, lead to
The photosensitive sensor crossed in camera device obtains the frequency that light-emitting device shines, and then can be obtained by processor analyzing and processing
The identity information of object is caught, avoids the identity for occurring that each seizure object can not be told, or even lose and catch object
Situation.
Obviously, those skilled in the art can carry out the utility model various modification and variations without departing from this practicality
New spirit and scope.If in this way, these modifications and variations of the utility model belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to comprising including these modification and variations.
Claims (7)
1. a kind of optics motion capture system for VR photographies, it is characterised in that the optics action for VR photographies is caught
The system of catching includes：
Light-emitting device and camera；
The light-emitting device includes control module, the current-limiting resistance being connected with the control module and is connected with the current-limiting resistance
Light emitting diode group, the light-emitting device is connected with power supply；
The camera is internally provided with photosensitive sensor and the processor being connected with the photosensitive sensor.
2. the optics motion capture system for VR photographies as claimed in claim 1, it is characterised in that the light-emitting device tool
Body is luminescent ball.
3. the optics motion capture system for VR photographies as claimed in claim 1, it is characterised in that the light emitting diode
Group is specially infrared light-emitting diode group.
4. the optics motion capture system for VR photographies as claimed in claim 1, it is characterised in that the light emitting diode
Have in group and be no less than 5 light emitting diode monomers.
5. the optics motion capture system for VR photographies as claimed in claim 1, it is characterised in that the power supply is specially
Mobile power.
6. the optics motion capture system for VR photographies as claimed in claim 1, it is characterised in that the camera is also
It is connected with a host computer.
7. as claimed in claim 6 for VR photography optics motion capture system, it is characterised in that the camera with
The host computer is connected by wireless telecommunications.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721138020.0U CN207367237U (en) | 2017-09-06 | 2017-09-06 | A kind of optics motion capture system for VR photographies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721138020.0U CN207367237U (en) | 2017-09-06 | 2017-09-06 | A kind of optics motion capture system for VR photographies |
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| Publication Number | Publication Date |
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| CN207367237U true CN207367237U (en) | 2018-05-15 |
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| CN201721138020.0U Active CN207367237U (en) | 2017-09-06 | 2017-09-06 | A kind of optics motion capture system for VR photographies |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109308822A (en) * | 2018-10-25 | 2019-02-05 | 湖南城市学院 | A kind of Dancing Teaching Interactive Experience method and system |
-
2017
- 2017-09-06 CN CN201721138020.0U patent/CN207367237U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109308822A (en) * | 2018-10-25 | 2019-02-05 | 湖南城市学院 | A kind of Dancing Teaching Interactive Experience method and system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181022 Address after: 610000 Sichuan Chengdu high tech Zone two yuan Road 10 2 2 Units 1 Units 6 layers 1, 7 1-2. Patentee after: CHENGDU GUOYI ELECTRONIC TECHNOLOGY CO., LTD. Address before: 610000 Sichuan Chengdu high tech Zone two Garden Road 10 10 2 Building 6 level 2 Patentee before: Chengdu Hao Yu Tao Eagle Technology Co. Ltd. |
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| TR01 | Transfer of patent right |