CN109765798A - A kind of semi-matter simulating system of film and tv photography - Google Patents
A kind of semi-matter simulating system of film and tv photography Download PDFInfo
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- CN109765798A CN109765798A CN201811574513.8A CN201811574513A CN109765798A CN 109765798 A CN109765798 A CN 109765798A CN 201811574513 A CN201811574513 A CN 201811574513A CN 109765798 A CN109765798 A CN 109765798A
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Abstract
The present invention relates to a kind of semi-matter simulating systems of film and tv photography, belong to digital photography and Virtual Simulation field.The system comprises photographic goods model module, sensor and peripheral module, embedded module and display and control modules；Photographic goods model module includes video camera, camera lens and holder model；Camera lens model includes focal length ring, with burnt ring and aperture ring；Holder model includes rolling structure and luffing structure again；Sensor and peripheral module include encoder, potentiometer, rocking bar and switch button；Display and control module include control unit, input unit, processing unit and display unit；Including data processing plug-in unit and three dimentional graph display；The connection relationship of the system is as follows: photographic goods model module is connected with sensor and peripheral module, and sensor and peripheral module are connected with embedded system module, and embedded system module is connected with display with control module.This system price is extremely low and reduces the cost of virtualization production.
Description
Technical field
The present invention relates to a kind of semi-matter simulating systems of film and tv photography, belong to digital photography and Virtual Simulation neck
Domain.
Background technique
With video display industrial expansion, the demand of film virtually photographed is increasing.
In film virtual photographing system, the idea of user needs virtually to be taken the photograph by comparing sophisticated keypads mouse
Shadow.These complicated, non-intuitive operations, can occupy the more time, influence working efficiency.
Therefore, a kind of film and tv photography semi-matter simulating system that science is practical has very big application prospect.Photographer passes through
The practical semi-matter simulating system of science, so that it may very intuitively the idea of oneself is input in computer.
Summary of the invention
It is an object of the invention to the demands for HWIL simulation equipment in the virtualization production of existing film, propose one
Kind film and tv photography semi-matter simulating system that is identical as true shooting operation, meeting photographer's operating habit, the system have
The characteristics of high refresh rate, low latency, high-precision, strong antijamming capability.
In order to solve the above technical problems, achieving the object of the present invention, adopt the following technical scheme that
A kind of semi-matter simulating system of film and tv photography, including it is photographic goods model module, sensor and peripheral module, embedding
Enter formula module and display and control module；
Wherein, photographic goods model module specifically includes camera model, camera lens model, holder model；Camera model
Interface and embedded system module installation structure are installed including switch button；Camera lens model includes focal length ring, with burnt ring and light
Ring；Holder model includes rolling structure and luffing structure again；
Wherein, sensor and peripheral module include that four encoders, two potentiometers, two rocking bars and five switches are pressed
Button；
Embedded system module includes embedded system and circuit；
Display includes control unit, input unit, processing unit and display unit with hardware in control module；Processing is single
The software run in member includes data processing plug-in unit and three dimentional graph display.
The connection relationship of each module is as follows in the digital camera dummy emulation system:
Photographic goods model module is connected with sensor and peripheral module, sensor and peripheral module and embedded system mould
Block is connected, and embedded system module is connected with display with control module；
The installation process of each module is as follows in the digital camera dummy emulation system:
1) component based on photographic goods model module is installed, specifically: camera model is installed through switch button interface
Switch button；On camera lens model, an encoder A is mounted on focal length ring, another encoder A is mounted on on burnt ring, and one
A potentiometer is mounted on aperture ring；On holder model, an encoder B is mounted in rolling structure, another encoder B
It is mounted on luffing structure；Camera lens model is mounted on camera model, then camera lens model and camera model are integrally pacified
On holder model；
2) the focal length ring in camera lens model, focus ring, aperture ring add damping mechanism, simulate the behaviour of true photographic goods
Make feel；
3) sensor and peripheral module are wired to embedded system module；
4) embedded system module is fixed on camera model based on physics mode；
5) embedded system module is passed through wired or be wirelessly connected to display and control module.
The photographic goods model module is simulated and is emulated to true photographic goods；
The sensor and peripheral module obtain the motion information of photographic goods model module；
The signal of acquisition is converted into the data that display and control module can identify by the embedded system module；
The display obtains photography exercise data with control module, generates emulated interface using three dimentional graph display and shows
Show.
The course of work of the semi-matter simulating system of the film and tv photography, includes the following steps:
Photographic goods model module is manually operated in step 1., so that focal length ring, focus ring and aperture on camera lens model
Ring links two encoder A and potentiometer A movement respectively, and rolling structure and luffing structure on holder model link two respectively
Encoder B movement.And operation button and rocking bar do corresponding sports；
Step 2. sensor and peripheral module obtain motion information, and motion information is converted to be transmitted to after electric signal it is embedding
Embedded system module；
Wherein, the data of acquisition have following several respectively:
Angle, the angle of pitch axis, focal length, focal coordinates, aperture size, the angle of roll axis, the X-axis, Y-axis of axis of roll
And Z axis coordinate and switch state；
The electric signal got from sensor and peripheral module is read out and is converted by step 3. embedded system module
For data, data type identifier is added in data to distinguish data type described in step 2.；
Data are transmitted to display and control module by wired or wireless mode by step 4. embedded system module；
Step 5. display obtains data with control module, and data are carried out simulation process；
Wherein, data processing has: the ratio conversion of axis of roll, pitch axis；Focal length, focus, three item data of aperture it is non-thread
Property transformation and ratio conversion；Roll axis, X-axis, Y-axis, the conversion of the ratio of Z axis；
Step 6. according to the movement of the data of acquisition analog camera in three dimentional graph display, three dimentional graph display according to
Three-dimensional assets generate virtual emulation picture；
The display unit that virtual emulation picture is shown in display and control module is generated in step 7. three dimentional graph display.
Beneficial effect
A kind of semi-matter simulating system of film and tv photography has the following beneficial effects: compared with existing virtual camera work
1. realizing complete virtual camera function, the shape and operating habit of this system meet the true bat of video display worker
Take the photograph habit, the more conducively upper hand operation of video display worker；
2. this system is extremely low compared to other mature virtual photographing system prices at present, reduces virtualization production work and carry out
Required cost；
3. use high-precision sensor, the data for getting video camera are more accurate so that virtually photograph it is more accurate and
Really.
4. the preparation of system and erection work only need a small amount of time, cineaste can start rapidly the work virtually photographed
Make；
5. the use of system and operation only need less space, virtual camera work can be carried out in more places.
Detailed description of the invention
Fig. 1 is a kind of structure composed figure of the semi-matter simulating system of film and tv photography；
Fig. 2 is a kind of operational flowchart of the semi-matter simulating system of film and tv photography described in Fig. 1.
Specific embodiment
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.Attached drawing
Only for illustration, it should not be understood as the limitation to this patent.
Embodiment
Fig. 1 is a kind of architecture diagram of the semi-matter simulating system of film and tv photography；It will be seen from figure 1 that a kind of video display
Each module connection relationship in the semi-matter simulating system of photography is as follows:
Photographic goods model module is fixedly connected with sensor and peripheral module physics；Sensor and peripheral module and insertion
Formula system module is transmitted by signal and is connected；Embedded system module and display, which are transmitted with control module by data, to be connected；It takes the photograph
Shadow equipment model module is fixedly connected with embedded system module by physics.
When it is implemented, sensor and peripheral module include four encoders, two potentiometers, two rocking bars and five
Switch button；
The operating process of the film and tv photography semi-matter simulating system is as shown in Figure 2.
Fig. 2 is a kind of operational flowchart of the relied on system architecture of the semi-matter simulating system of film and tv photography described in Fig. 1.
It is connected from figure 2 it can be seen that photographic goods model module is based on physics transmission with sensor and peripheral module；It passes
Sensor and peripheral module and embedded system module are transmitted by signal to be connected；Embedded system module and display and control module
It is transmitted and is connected by data；Display and control module show the data that transmitting comes.
The fabrication and installation of the analogue system are again when it is implemented, as follows:
In this example, using the production of the processing methods such as 3D printing technique and computer numerical control mechanical manufacturing technology and very
Real video camera has the photographic goods model module of same operation structure；
Installation accuracy reaches the encoder of 36000 line/360 degree in system, and it is discernable that most situations already exceed people
Precision.Potentiometer precision is determined that it is 1024 subdivisions that potentiometer, which forms precision in range, by embedded system module, is able to satisfy it
The demand of corresponding function.Switch button is using commonly without lock button；
Embedded system module uses AduinoDUE, still has sufficiently high refresh rate when handling more data, is much higher than
The frame rate of film is that 24 frames are per second and current mainstream computer screen refreshing rate 60Hz；
Display and control module are computer and its peripheral hardware, and wherein peripheral hardware includes main frame, display, mouse
And keyboard；
The software run in computer has data processing plug-in unit, the illusory engine 4 of three dimentional graph display.
The action feature of the analogue system has the following:
(1) complete holder model possesses axis of roll and pitch axis, and holder in kind possesses damping, truly emulates
Holder operation；
(2) possess complete focal length ring, focus ring, aperture ring, and have and the consistent numerical non-linear of real camera
Mapping, usage experience are truer；
(3) it can control travelling shot seat in the plane using rocking bar to set, it is a wide range of convenient for users to being completed in narrow space
Virtual photography；
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (2)
1. a kind of semi-matter simulating system of film and tv photography, including photographic goods model module, sensor and peripheral module, insertion
Formula module and display and control module；
Wherein, photographic goods model module specifically includes camera model, camera lens model, holder model；Camera model includes
Switch button installs interface and embedded system module installation structure；Camera lens model includes focal length ring, with burnt ring and aperture ring；
Holder model includes rolling structure and luffing structure again；
Wherein, sensor and peripheral module include encoder, potentiometer, rocking bar and switch button；
Embedded system module includes embedded system and circuit；
Display includes control unit, input unit, processing unit and display unit with hardware in control module；In processing unit
The software of operation includes data processing plug-in unit and three dimentional graph display.
The connection relationship of each module is as follows in the film and tv photography semi-matter simulating system:
Photographic goods model module is connected with sensor and peripheral module, sensor and peripheral module and embedded system module phase
Even, embedded system module is connected with display with control module；
The photographic goods model module is simulated and is emulated to true photographic goods；
The sensor and peripheral module obtain the motion information of photographic goods model module；
The signal of acquisition is converted into the data that display and control module can identify by the embedded system module；
The display obtains photography exercise data with control module, generates emulated interface using three dimentional graph display and shows；
The course of work of the film and tv photography semi-matter simulating system, includes the following steps:
Photographic goods model module is manually operated in step 1., so that the focal length ring, focus ring and aperture ring on camera lens model point
Not Lian Dong encoder and potentiometer movement, rolling structure and luffing structure on holder model link encoder motion, and operate
Button and rocking bar do corresponding sports；
Step 2. sensor and peripheral module obtain motion information, and motion information is converted to be transmitted to after electric signal it is embedded
System module；
Wherein, the data of acquisition have following several respectively:
The angle of axis of roll, the angle of pitch axis, focal length, focal coordinates, aperture size, the size of roll axis, X-axis, Y-axis and
Z axis coordinate and switch state；
The electric signal got from sensor and peripheral module is read out and is converted to number by step 3. embedded system module
According to data identifier is added in data；
Data are transmitted to display and control module by wired or wireless mode by step 4. embedded system module；
Step 5. display obtains data with control module, and data are carried out simulation process；
Wherein, data are carried out simulation process includes following operation: the conversion proportion of axis of roll, pitch axis；Focal length, focus, light
Enclose the nonlinear transformation and conversion proportion of three item datas；Roll axis, X-axis, Y-axis, the conversion proportion of Z axis；
Step 6. is according to the movement of the data of acquisition analog camera in three dimentional graph display, and three dimentional graph display is according to three-dimensional
Assets generate virtual emulation picture；
The display unit that virtual emulation picture is shown in display and control module is generated in step 7. three dimentional graph display.
2. a kind of semi-matter simulating system of film and tv photography according to claim 1, it is characterised in that: in each module peace
Dress process is as follows:
1) component based on photographic goods model module is installed, specifically: camera model is installed through switch button interface and is switched
Button；On camera lens model, an encoder A is mounted on focal length ring, another encoder A is mounted on on burnt ring, an electricity
Position device is mounted on aperture ring；On holder model, an encoder B is mounted in rolling structure, another encoder B installation
On luffing structure；Camera lens model is mounted on camera model, then camera lens model and camera model integral installation are existed
On holder model；
2) the focal length ring in camera lens model, focus ring, aperture ring add damping mechanism, simulate the manipulator of true photographic goods
Sense；
3) sensor and peripheral module are wired to embedded system module；
4) embedded system module is fixed on camera model based on physics mode；
5) embedded system module is passed through wired or be wirelessly connected to display and control module.
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| CN201811574513.8A CN109765798B (en) | 2018-12-21 | 2018-12-21 | Semi-physical simulation system for film and television photography |
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| CN117742540A (en) * | 2024-02-20 | 2024-03-22 | 成都流体动力创新中心 | Virtual-real interaction system based on virtual engine and semi-physical simulation |
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| CN109765798B (en) | 2021-09-28 |
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