CN111694489A - Virtual interactive video recording and playing system - Google Patents
Virtual interactive video recording and playing system Download PDFInfo
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- CN111694489A CN111694489A CN202010419431.7A CN202010419431A CN111694489A CN 111694489 A CN111694489 A CN 111694489A CN 202010419431 A CN202010419431 A CN 202010419431A CN 111694489 A CN111694489 A CN 111694489A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
- G06F3/04845—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range for image manipulation, e.g. dragging, rotation, expansion or change of colour
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
- G06F3/04842—Selection of displayed objects or displayed text elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
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Abstract
A virtual interactive video recording and playing system comprises a background area, a foreground area and a shooting area which are sequentially arranged from back to front; the background area comprises a green curtain background wall and a first light supplement lamp group; the foreground area comprises a background screen and a dynamic activity area; the shooting area comprises a camera and a second light supplement lamp group; the front view area of the green screen background wall is larger than that of the background screen, the vertical central line of the green screen background wall is aligned with the vertical central line of the background screen, the outer side area of the projection area of the green screen background wall forms a developing part, the minimum illumination of the first light supplementing lamp group on the developing part is larger than 70% of the maximum illumination of the first light supplementing lamp group, the average illumination of the second light supplementing lamp group in the dynamic activity area is larger than 70% of the maximum illumination of the second light supplementing lamp group, and the distance between the green screen background wall and the background screen is larger than 1.0 m.
Description
Technical Field
The invention relates to the technical field of video recording, in particular to a virtual interactive video recording and playing system.
Background
The current automatic equipment of keying out in market exists that the algorithm is complicated, keying out the unable accurate adjustment of parameter, and it is fixed that the current automatic equipment of keying out of diversified scene and content recording demand is comparatively complicated usage pattern can't be satisfied to the mode of making is single, and is higher to recording mode and standard requirement, can't satisfy diversified content and records the requirement, especially to the training institution that needs to record the course in a large number, uses and inconvenient, and the reason is as follows: firstly, training institutions need to record various courses, and have more teachers, and meanwhile, different teachers can record the same course, so that parameters of a camera room and positions of various devices need to be repeatedly debugged according to different teachers and course contents; second, the traditional method of fixing a green screen can only present a background, and the requirement for adjusting parameters of image matting is huge.
Disclosure of Invention
The invention aims to provide a virtual interactive video recording and playing system, which controls the parameters of a background area, a foreground area and a shooting area by setting the background area, the foreground area and the shooting area, thereby realizing the adjustment of video recording parameters and improving the shooting efficiency of a virtual shooting room.
The technical purpose of the invention is realized by the following technical scheme: a virtual interactive video recording and playing system comprises a background area, a foreground area and a shooting area which are sequentially arranged from back to front; the background area comprises a green curtain background wall and a first light supplement lamp group; the foreground area comprises a background screen and a dynamic activity area; the shooting area comprises a camera and a second light supplement lamp group; the front view area of the green screen background wall is larger than that of the background screen, the vertical central line of the green screen background wall is aligned with the vertical central line of the background screen, the outer side area of the projection area of the green screen background wall forms a developing part, the minimum illumination of the first light supplementing lamp group on the developing part is larger than 70% of the maximum illumination of the first light supplementing lamp group, the average illumination of the second light supplementing lamp group in the dynamic activity area is larger than 70% of the maximum illumination of the second light supplementing lamp group, and the distance between the green screen background wall and the background screen is larger than 1.0 m.
Preferably, the green curtain background wall is paved with green non-woven fabrics, the background screen comprises an LED display screen, and a green PE film with the transmittance of 40% is arranged on the display surface of the LED display screen.
Preferably, the dynamic activity area is internally provided with interactive equipment.
Preferably, the LED display screen is connected with a master controller, and the master controller is used for adjusting the LED display screen, so that the green gray scale of the green PE film is adjusted.
Preferably, the first supplementary lighting lamp group has fixed lighting parameters, and the second supplementary lighting lamp group performs brightness adjustment through the master controller.
Preferably, the green screen background wall and the background screen are both disposed on a first distance adjusting track, the second light supplement lamp set is disposed on a second distance adjusting track, the camera is disposed on a third distance adjusting track, the first light supplement lamp set is disposed on a fourth distance adjusting track, a laser aligner is disposed on the outer side of the first distance adjusting track, an alignment site is disposed on the outer side of the fourth distance adjusting track, the laser aligner is disposed at the front end of the third distance adjusting track, the alignment site is disposed on the front side surface of the bottom of the background screen, the alignment sites are disposed on the two sides of the third distance adjusting track, and the laser aligner is disposed on the outer side of the second distance adjusting track.
Preferably, the first distance adjusting track, the second distance adjusting track, the third distance adjusting track and the fourth distance adjusting track are provided with mobile stations, and the mobile stations are connected with the master controller through wireless modules.
Preferably, the first, second, third and fourth pitch adjustment tracks are provided with rfid chips at equal intervals in a linear manner along a track extending direction, and the mobile station is provided with a reader cooperating with the rfid chips.
Preferably, the main controller includes a parameter storage database, a display screen brightness control module, a track travel control module, and a supplementary lighting brightness control module, the display screen brightness control module is connected to the LED display screen, the supplementary lighting brightness control module is connected to the second supplementary lighting lamp group, the track travel control module is connected to the first distance adjusting track, the second distance adjusting track, the third distance adjusting track, and the fourth distance adjusting track, and fields in the parameter storage database include a project name, an equipment distance parameter, a second supplementary lighting parameter, and a background brightness parameter.
Preferably, the general controller control step comprises,
a debugging step, in which an operator determines the relative distance between the green screen background wall, the background screen, the first light supplement lamp group and the second light supplement lamp group according to the project name for field debugging, stores the obtained distance in the equipment distance parameter corresponding to the project name, then debugs the brightness of the LED display screen and the second light supplement lamp group, respectively stores the parameters in the background brightness parameter and the second light supplement parameter corresponding to the project name, and stores the debugging result;
a calling step, in which when a program corresponding to the project name needs to be recorded and played, an operator reads the equipment distance parameter, the second supplementary lighting parameter and the background brightness parameter corresponding to the project name;
and recording and broadcasting, namely after the parameter adjustment of the display screen brightness control module, the track travel control module and the light supplementing brightness control module is finished by the master controller, starting recording and broadcasting by an operator.
In conclusion, the invention has the following beneficial effects:
the method has the advantage of being capable of adjusting parameters in the virtual interactive video recording process.
Drawings
FIG. 1 is a schematic layout of a first embodiment of the system of the present invention;
FIG. 2 is a schematic layout of a second embodiment of the system of the present invention;
FIG. 3 is a system block diagram of a second embodiment of the system of the present invention;
in the figure: 1-background area; 2-foreground region; 3-a video recording area; 4-green curtain wall; 5-a first supplementary lighting lamp group; 6-background screen; 7-dynamic activity zone; 8-a video camera; 9-a second supplementary lighting lamp group; 6-1-LED display screen; 6-2-green PE film; 10-an interactive device; 11-a master controller; 12-a first pitch track; 13-a second pitch track; 14-a third pitch track; 15-a fourth pitch track; 16-a laser aligner; 17-alignment sites; 18-a mobile station; 19-rfid chip; 20-a reader; 11-1-parameter storage database; 11-2-display screen brightness control module; 11-3-track stroke control module; and 11-4, a supplementary lighting brightness control module.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
as shown in fig. 1, the embodiment of the present invention includes a background area 1, a foreground area 2, and a recording area 3, which are sequentially arranged from back to front; the background area 1 comprises a green curtain background wall 4 and a first light supplement lamp group 5; the foreground area 2 comprises a background screen 6 and a dynamic activity area 7, the irradiation direction of the first light supplement lamp group 5 always faces the green screen background wall 4, and the dynamic activity area 7 is used for limiting the activity range of the speaker; the shooting area 3 comprises a camera 8 and a second light supplement lamp group 9, and the irradiation direction of the second light supplement lamp group 9 always faces the dynamic activity area 7; the front view area of the green screen background wall 4 is larger than that of the background screen 6, wherein the front view area is the area facing the side face of one side of the video camera 8, the vertical central line of the green screen background wall 4 is aligned with the vertical central line of the background screen 6, the background screen 6 forms a developing part in the outer area of the projection area of the green screen background wall 4, the minimum illumination of the first light supplement lamp group 5 on the developing part is larger than 70% of the maximum illumination of the first light supplement lamp group 5, the average illumination of the second light supplement lamp group 9 in the dynamic moving area 7 is larger than 70% of the maximum illumination of the second light supplement lamp group 9, and the distance between the green screen background wall 4 and the background screen 6 is larger than 1.0 m.
The green non-woven fabric is laid on the surface of the green curtain background wall 4, the background screen 6 comprises an LED display screen 6-1, and a green PE film 6-2 with the transmittance of 40% is arranged on the display surface of the LED display screen 6-1.
In the dynamic activity area 7 of this embodiment, an interactive device 10 is disposed, and the interactive device 10 is an eBeam Edge leaf portable interactive electronic whiteboard.
Example two:
as shown in fig. 2, the embodiment of the present invention includes a background area 1, a foreground area 2, and a recording area 3, which are sequentially arranged from back to front; the background area 1 comprises a green curtain background wall 4 and a first light supplement lamp group 5; the foreground area 2 comprises a background screen 6 and a dynamic activity area 7, the irradiation direction of the first light supplement lamp group 5 always faces the green screen background wall 4, and the dynamic activity area 7 is used for limiting the activity range of the speaker; the shooting area 3 comprises a camera 8 and a second light supplement lamp group 9, and the irradiation direction of the second light supplement lamp group 9 always faces the dynamic activity area 7; the front view area of the green screen background wall 4 is larger than that of the background screen 6, wherein the front view area is the area facing the side face of one side of the video camera 8, the vertical central line of the green screen background wall 4 is aligned with the vertical central line of the background screen 6, the background screen 6 forms a developing part in the outer area of the projection area of the green screen background wall 4, the minimum illumination of the first light supplement lamp group 5 on the developing part is larger than 70% of the maximum illumination of the first light supplement lamp group 5, the average illumination of the second light supplement lamp group 9 in the dynamic moving area 7 is larger than 70% of the maximum illumination of the second light supplement lamp group 9, and the distance between the green screen background wall 4 and the background screen 6 is larger than 1.0 m. In the dynamic activity area 7 of this embodiment, an interactive device 10 is disposed, and the interactive device 10 is an eBeam Edge leaf portable interactive electronic whiteboard.
The green non-woven fabric is laid on the surface of the green curtain background wall 4, the background screen 6 comprises an LED display screen 6-1, and a green PE film 6-2 with the transmittance of 40% is arranged on the display surface of the LED display screen 6-1. The LED display screen 6-1 is connected with the master controller 11, and the master controller 11 is used for adjusting the LED display screen 6-1, so that the green gray scale of the green PE film 6-2 is adjusted. The light emitting parameters of the first light supplement lamp set 5 are fixed, and the second light supplement lamp set 9 is used for adjusting the brightness through the master controller 11.
As shown in fig. 2 and 3, the green screen background wall 4 and the background screen 6 of the present embodiment are disposed on a first distance adjusting track 12, the second supplementary lighting lamp set 9 is disposed on a second distance adjusting track 13, the camera 8 is disposed on a third distance adjusting track 14, the first supplementary lighting lamp set 5 is disposed on a fourth distance adjusting track 15, a laser aligner 16 is disposed on an outer side of the first distance adjusting track 12, an alignment site 17 is disposed on an outer side of the fourth distance adjusting track 15, a laser aligner 16 is disposed at a front end of the third distance adjusting track 14, a front bottom side of the background screen 6, i.e., a side facing the camera 8 is provided with the alignment site 17, two sides of the third distance adjusting track 14 are provided with the alignment sites 17, an outer side of the second distance adjusting track 13 is provided with the laser aligner 16, the alignment site 17 is a black bottom card, a white ring is disposed in a center, when a laser emitted by the laser aligner 16 aligns with the white ring, the alignment is considered complete. First roll adjustment track 12, second roll adjustment track 13, be provided with on third roll adjustment track 14 and the fourth roll adjustment track 15 and be used for connecting green curtain wall 4, background screen 6, first light filling banks 5, the mobile station 18 of second light filling banks 9, mobile station 18 adopts current servo motor cooperation drive wheel and track structure, know the technique for technical staff in the field, do not do too much expansion, mobile station 18 is connected with total controller 11 through wireless module, total controller 11 is implemented by the PC that carries on control software. The first distance adjusting track 12, the second distance adjusting track 13, the third distance adjusting track 14 and the fourth distance adjusting track 15 are provided with rfid chips 19 in an equidistant linear mode along the track extending direction, the mobile station 18 is provided with a reader 20 matched with the rfid chips 19, after the master controller 11 sends an adjusting command to the mobile station 18, the mobile station 18 can determine the current position by reading the content of the rfid chips 19, and simultaneously, the content of the rfid chips 19 can be read by the mobile station 18 and then transmitted back to the master controller 11 so as to store the current position for setting and memorizing. The main controller 11 comprises a parameter storage database 11-1, a display screen brightness control module 11-2, a track stroke control module 11-3 and a supplementary lighting brightness control module 11-4, the display screen brightness control module 11-2 is connected with the LED display screen 6-1, the supplementary lighting brightness control module 11-4 is connected with a second supplementary lighting lamp group 9, the track stroke control module 11-3 is connected with a first distance adjusting track 12, a second distance adjusting track 13, a third distance adjusting track 14 and a fourth distance adjusting track 15, and fields in the parameter storage database 11-1 comprise project names, equipment distance parameters, second supplementary lighting parameters and background brightness parameters. In the present embodiment, whether the video camera 8 is connected to the main controller 11 is determined by an operator according to specific implementation, and the video camera 8 is connected in the above embodiment by adding only one data field of the video camera 8.
The control steps of the general controller 11 of the embodiment include,
a debugging step, in which an operator determines the relative distance between a green screen background wall 4, a background screen 6, a first light supplement lamp group 5 and a second light supplement lamp group 9 according to the project name for field debugging, the obtained distance is stored in an equipment distance parameter corresponding to the project name, then the brightness of an LED display screen 6-1 and the brightness of the second light supplement lamp group 9 are debugged, the parameters are stored in a background brightness parameter and a second light supplement parameter corresponding to the project name respectively, and debugging results are stored;
a calling step, when a program corresponding to the project name needs to be recorded and played, an operator reads an equipment distance parameter, a second light supplement parameter and a background brightness parameter corresponding to the project name;
and recording and broadcasting, namely, after the master controller 11 adjusts parameters of the display screen brightness control module 11-2, the track travel control module 11-3 and the light supplement brightness control module 11-4, starting recording and broadcasting by an operator.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (10)
1. A virtual interactive video recording and playing system is characterized in that: comprises a background area (1), a foreground area (2) and a shooting area (3) which are arranged from back to front in sequence; the background area (1) comprises a green curtain background wall (4) and a first light supplement lamp group (5); the foreground area (2) comprises a background screen (6) and a dynamic activity area (7); the shooting area (3) comprises a camera (8) and a second light supplement lamp group (9); the front view area of the green screen background wall (4) is larger than that of the background screen (6), the vertical central line of the green screen background wall (4) is aligned with the vertical central line of the background screen (6), the outside area of the projection area of the green screen background wall (4) forms a developing part, the minimum illumination of the first light supplement lamp set (5) on the developing part is larger than 70% of the maximum illumination of the first light supplement lamp set (5), the average illumination of the second light supplement lamp set (9) in the dynamic moving area (7) is larger than 70% of the maximum illumination of the second light supplement lamp set (9), and the distance between the green screen background wall (4) and the background screen (6) is larger than 1.0 m.
2. The virtual interactive video recording and playing system of claim 1, wherein: the surface of the green curtain wall (4) is paved with green non-woven fabrics, the background screen (6) comprises an LED display screen (6-1), and a green PE film (6-2) with the transmittance of 40% is arranged on the display surface of the LED display screen (6-1).
3. The virtual interactive video recording and playing system of claim 1, wherein: and an interaction device (10) is arranged in the dynamic activity area (7).
4. The virtual interactive video recording and playing system of claim 2, wherein: the LED display screen (6-1) is connected with the master controller (11), and the master controller (11) is used for adjusting the LED display screen (6-1) so as to adjust the green gray scale of the green PE film (6-2).
5. The virtual interactive video recording and playing system of claim 4, wherein: the light-emitting parameters of the first light supplement lamp group (5) are fixed, and the brightness of the second light supplement lamp group (9) is adjusted through the master controller (11).
6. The virtual interactive video recording and playing system of claim 4, wherein: the green curtain background wall (4) and the background screen (6) are both arranged on a first distance adjusting track (12), the second light supplementing lamp group (9) is arranged on a second distance adjusting track (13), the video camera (8) is arranged on a third distance adjusting track (14), the first light supplementing lamp group (5) is arranged on a fourth distance adjusting track (15), a laser aligner (16) is arranged on the outer side of the first distance adjusting track (12), an alignment point (17) is arranged on the outer side of the fourth distance adjusting track (15), the front end of the third distance adjusting track (14) is provided with the laser aligner (16), the front side surface of the bottom of the background screen (6) is provided with the alignment point (17), the alignment sites (17) are arranged on two sides of the third distance adjusting track (14), the laser aligner (16) is arranged on the outer side of the second distance adjusting track (13).
7. The virtual interactive video recording and playing system of claim 6, wherein: the mobile station is characterized in that a mobile station (18) is arranged on the first distance adjusting track (12), the second distance adjusting track (13), the third distance adjusting track (14) and the fourth distance adjusting track (15), and the mobile station (18) is connected with the master controller (11) through a wireless module.
8. The virtual interactive video recording and playing system of claim 6, wherein: the first distance adjusting track (12), the second distance adjusting track (13), the third distance adjusting track (14) and the fourth distance adjusting track (15) are provided with rfid chips (19) in an equidistant linear mode along the track extending direction, and the mobile station (18) is provided with a reader (20) matched with the rfid chips (19).
9. The virtual interactive video recording and playing system of claim 8, wherein: the master controller (11) comprises a parameter storage database (11-1), a display screen brightness control module (11-2), a track travel control module (11-3) and a light supplement brightness control module (11-4), the display screen brightness control module (11-2) is connected with the LED display screen (6-1), the supplementary lighting brightness control module (11-4) is connected with the second supplementary lighting lamp group (9), the track stroke control module (11-3) is connected with the first distance adjusting track (12), the second distance adjusting track (13), the third distance adjusting track (14) and the fourth distance adjusting track (15), the fields in the parameter storage database (11-1) comprise item names, equipment distance parameters, second fill-in light parameters and background brightness parameters.
10. The virtual interactive video recording and playing system of claim 9, wherein: the control steps of the master controller (11) comprise,
a debugging step, in which an operator determines the relative distances among the green screen background wall (4), the background screen (6), the first light supplement lamp group (5) and the second light supplement lamp group (9) for field debugging according to the project name, stores the obtained distances into the equipment distance parameter corresponding to the project name, then debugs the brightness of the LED display screen (6-1) and the second light supplement lamp group (9), respectively stores the parameters into the background brightness parameter and the second light supplement parameter corresponding to the project name, and saves the debugging result;
a calling step, in which when a program corresponding to the project name needs to be recorded and played, an operator reads the equipment distance parameter, the second supplementary lighting parameter and the background brightness parameter corresponding to the project name;
and recording and broadcasting, wherein after the master controller (11) regulates parameters of the display screen brightness control module (11-2), the track travel control module (11-3) and the light supplement brightness control module (11-4), an operator starts recording and broadcasting.
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| 安福双的自留地: "绿布抠像替换视频绿色背景视频抠像怎么操作", 《HTTPS://JINGYAN.BAIDU.COM/ARTICLE/E2284B2B969320E2E6118D08.HTML》 * |
| 薛峰: "KeyLight抠像的前后期制作流程", 《数码设计》 * |
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| CN111694489B (en) | 2021-08-06 |
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