CN107734320B - A method of calculating active luminescent marking point light intensity lower limit in VR photography place - Google Patents
A method of calculating active luminescent marking point light intensity lower limit in VR photography place Download PDFInfo
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- CN107734320B CN107734320B CN201710908695.7A CN201710908695A CN107734320B CN 107734320 B CN107734320 B CN 107734320B CN 201710908695 A CN201710908695 A CN 201710908695A CN 107734320 B CN107734320 B CN 107734320B
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- marking point
- luminescent marking
- active luminescent
- light intensity
- camera
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000005259 measurement Methods 0.000 claims description 7
- 238000005286 illumination Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003550 marker Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000003993 interaction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C3/00—Measuring distances in line of sight; Optical rangefinders
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The present invention relates to a kind of methods of active luminescent marking point light intensity lower limit in calculating VR photography place, which comprises obtains the maximum distance of active luminescent marking point and VR camera in VR photography place；The light intensity lower limit of the active luminescent marking point in VR photography place is calculated based on the maximum distance and the receivable minimum light intensity values of the VR camera.It can be avoided and lost a little in VR photographic process, while can also save electric energy according to the intensity of illumination of active luminescent marking point described in the light intensity lower limit set by the light intensity lower limit that the method can calculate active luminescent marking point in any one VR photography place.
Description
Technical field
The present invention relates to VR technical fields, in particular in a kind of calculating VR photography place under active luminescent marking point light intensity
The method of limit.
Background technique
VR camera work by environment, scene or specific still life carry out 360 ° on the spot or it is in kind shoot, then with figure
Picture is spliced into 360 degree of panorama sketch by piece splicing software.Then utilize virtual roaming software by scene or object all angles
Two-dimension picture be modeled to have certain interactive function, spacial flex with 3-D effect.Due to the superiority of its technology
With scalability, some interaction multimedias etc. can be added to increase the bandwagon effect in space, onlooker is made really to obtain strength, shake
The visual experience shaken reaches on the spot in person.
In VR photographic process, is usually shot using VR camera and capture the mark point on object to determine capture object
Position.Mark point is divided into passive reflective marker point and active luminescent marking point, when mark point is passive reflective marker point, by setting
The LED light set in VR camera emits beam, and marks light described in point reflection, and then VR camera passes through the reflection light received
Determine the position of mark point.When mark point is active luminescent marking point, emitted beam by active luminescent marking point, then VR phase
Machine determines the position of the active luminescent marking point by receiving the light that the active luminescent marking point issues.
However, the light intensity for the light that active luminescent marking point issues may greatly exceed VR phase in VR photographic process
The shooting demand of machine, leads to waste of energy, it is also possible to which the light intensity for the light of active luminescent marking point sending occur is unable to satisfy
The shooting demand of VR camera causes VR camera that can not capture the active luminescent marking point, causes to lose a little.
Therefore, active luminescent marking point light intensity lower limit in VR photography place can not be determined by existing in the prior art, and be caused
The technological deficiency for losing a little or wasting electric energy is likely to occur in VR photographic process.
Summary of the invention
The present invention provides a kind of methods of active luminescent marking point light intensity lower limit in calculating VR photography place, to solve
It is existing in the prior art to determine active luminescent marking point light intensity lower limit in VR photography place, cause to occur losing a little or waste
The technological deficiency of electric energy.
To achieve the goals above, the technical solution adopted by the present invention are as follows:
A method of calculating active luminescent marking point light intensity lower limit in VR photography place, which comprises
Obtain the maximum distance of active luminescent marking point and VR camera in VR photography place；
It is calculated in VR photography place based on the maximum distance and the receivable minimum light intensity values of the VR camera
The active luminescent marking point light intensity lower limit.
Optionally, the method for obtaining the maximum distance of active luminescent marking point and VR camera in VR photography place has
Body are as follows:
The maximum distance of the active luminescent marking point and the VR camera is measured using laser range finder.
Optionally, the method for obtaining the maximum distance of active luminescent marking point and VR camera in VR photography place has
Body are as follows:
The maximum distance of the active luminescent marking point and the VR camera is measured using infrared range-measurement system.
Optionally, described that the VR is calculated based on the maximum distance and the receivable minimum light intensity values of the VR camera
The calculation formula of the light intensity lower limit for the active luminescent marking point photographed in place specifically:
Wherein, IlowFor the light intensity lower limit of the active luminescent marking point；
IminFor the receivable minimum light intensity values of the VR camera；
R is the radius of the active luminescent marking point；
LmaxFor mark point in place and camera maximum distance.
One or more technical solutions provided by the invention, have at least the following technical effects or advantages:
Due to a kind of method for calculating active luminescent marking point light intensity lower limit in VR photography place provided by the invention, pass through
The method can calculate the light intensity lower limit of active luminescent marking point in any one VR photography place, according under the light intensity
Limit sets the intensity of illumination of the active luminescent marking point, can be avoided and loses a little in VR photographic process, while can also save electricity
Energy.
Further, due to the active luminescent marking point light intensity lower limit in a kind of calculating VR photography place provided by the invention
Method in, when obtaining the maximum distance of active luminescent marking point and VR camera in VR photography place using laser range finder or
Infrared range-measurement system, can be improved the precision of measurement, to improve the precision for calculating active luminescent marking point light intensity lower limit.
Detailed description of the invention
Fig. 1 is a kind of stream for calculating the method for active luminescent marking point light intensity lower limit in VR photography place provided by the invention
Cheng Tu.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction in this reality inventive embodiments
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is this hair
Bright a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
The preferred embodiment of the present invention is described in detail with reference to the accompanying drawing.
Referring to FIG. 1, the embodiment of the invention provides under active luminescent marking point light intensity in a kind of calculating VR photography place
The method of limit, which comprises
Step S1: the maximum distance of active luminescent marking point and VR camera in VR photography place is obtained.
Step S2: the VR photography is calculated based on the maximum distance and the receivable minimum light intensity values of the VR camera
The light intensity lower limit of the active luminescent marking point in place.
In the specific implementation process, the maximum distance of active luminescent marking point and VR camera in VR photography place is obtained
There are many kinds of modes, for example can be measured using distance mearuring equipment, can also be measured by way of artificial measuring tape.As preferred
, in embodiments of the present invention, active luminescent marking point and the mode of the maximum distance of VR camera in VR photography place of obtaining are
Acquisition is measured using distance mearuring equipment, specifically, measuring using laser range finder or infrared range-measurement system.
It is obtaining in VR photography place after the maximum distance of active luminescent marking point and VR camera, execution step
S2。
In the specific implementation process, the embodiment of the present invention calculates the active luminescent marking in VR photography place
The light intensity lower limit of point is using following formula:
Wherein, IlowFor the light intensity lower limit of the active luminescent marking point；
IminFor the receivable minimum light intensity values of the VR camera；
R is the radius of the active luminescent marking point；
LmaxFor mark point in place and camera maximum distance.
In the specific implementation process, since VR camera has determined that the VR camera can be received after completing
Minimum light intensity values, that is to say, that the receivable minimum light intensity values of each VR camera are fixed and invariable, i.e. IminOften for one
Amount.
In the specific implementation process, the active luminescent marking point is by a spherical housing and to be mounted on the spherical shape
What the illuminating source in shell formed, the distance from the illuminating source to the spherical housing of the active luminescent marking point is institute
State the radius r of active luminescent marking point.
One or more technical solutions provided by the invention, have at least the following technical effects or advantages:
Due to a kind of method for calculating active luminescent marking point light intensity lower limit in VR photography place provided by the invention, pass through
The method can calculate the light intensity lower limit of active luminescent marking point in any one VR photography place, according under the light intensity
Limit sets the intensity of illumination of the active luminescent marking point, can be avoided and loses a little in VR photographic process, while can also save electricity
Energy.
Further, due to the active luminescent marking point light intensity lower limit in a kind of calculating VR photography place provided by the invention
Method in, when obtaining the maximum distance of active luminescent marking point and VR camera in VR photography place using laser range finder or
Infrared range-measurement system, can be improved the precision of measurement, to improve the precision for calculating active luminescent marking point light intensity lower limit.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (3)
1. a kind of method for calculating active luminescent marking point light intensity lower limit in VR photography place, which is characterized in that the method packet
It includes:
Obtain the maximum distance of active luminescent marking point and VR camera in VR photography place；
The institute in VR photography place is calculated based on the maximum distance and the receivable minimum light intensity values of the VR camera
State the light intensity lower limit of active luminescent marking point, calculation formula specifically:
Wherein, the active luminescent marking point is by a spherical housing and the illuminating source group being mounted in the spherical housing
At, it is the active luminescent marking point from the illuminating source to the distance of the spherical housing of the active luminescent marking point
Radius r；
IlowFor the light intensity lower limit of the active luminescent marking point；
IminFor the receivable minimum light intensity values of the VR camera；
LmaxFor mark point in place and camera maximum distance.
2. the method for calculating active luminescent marking point light intensity lower limit in VR photography place as described in claim 1, feature exist
In the method for obtaining the maximum distance of active luminescent marking point and VR camera in VR photography place specifically:
The maximum distance of the active luminescent marking point and the VR camera is measured using laser range finder.
3. the method for calculating active luminescent marking point light intensity lower limit in VR photography place as described in claim 1, feature exist
In the method for obtaining the maximum distance of active luminescent marking point and VR camera in VR photography place specifically:
The maximum distance of the active luminescent marking point and the VR camera is measured using infrared range-measurement system.
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| CN201710908695.7A CN107734320B (en) | 2017-09-29 | 2017-09-29 | A method of calculating active luminescent marking point light intensity lower limit in VR photography place |
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| CN107734320A CN107734320A (en) | 2018-02-23 |
| CN107734320B true CN107734320B (en) | 2019-08-13 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1689038A (en) * | 2003-03-28 | 2005-10-26 | 富士通株式会社 | Camera, light source control method, and computer program |
| CN103477348A (en) * | 2011-04-21 | 2013-12-25 | 微软公司 | Color channels and optical markers |
| CN104463198A (en) * | 2014-11-19 | 2015-03-25 | 上海电机学院 | Method for carrying out illumination estimation on real illumination environment |
| WO2016050148A1 (en) * | 2014-09-29 | 2016-04-07 | 大唐移动通信设备有限公司 | Multi-carrier superposition method and device |
| CN106372556A (en) * | 2016-08-30 | 2017-02-01 | 西安小光子网络科技有限公司 | Optical label identification method |
-
2017
- 2017-09-29 CN CN201710908695.7A patent/CN107734320B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1689038A (en) * | 2003-03-28 | 2005-10-26 | 富士通株式会社 | Camera, light source control method, and computer program |
| CN103477348A (en) * | 2011-04-21 | 2013-12-25 | 微软公司 | Color channels and optical markers |
| WO2016050148A1 (en) * | 2014-09-29 | 2016-04-07 | 大唐移动通信设备有限公司 | Multi-carrier superposition method and device |
| CN104463198A (en) * | 2014-11-19 | 2015-03-25 | 上海电机学院 | Method for carrying out illumination estimation on real illumination environment |
| CN106372556A (en) * | 2016-08-30 | 2017-02-01 | 西安小光子网络科技有限公司 | Optical label identification method |
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| CN107734320A (en) | 2018-02-23 |
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