CN205430421U - A controllable angle of pitch panoramic photography system for preparation of film virtualization - Google Patents
A controllable angle of pitch panoramic photography system for preparation of film virtualization Download PDFInfo
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- CN205430421U CN205430421U CN201620257165.1U CN201620257165U CN205430421U CN 205430421 U CN205430421 U CN 205430421U CN 201620257165 U CN201620257165 U CN 201620257165U CN 205430421 U CN205430421 U CN 205430421U
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Abstract
The utility model discloses a controllable angle of pitch panoramic photography system for preparation of film virtualization belongs to video camera control technical field. Including many video cameras to and panoramic photography system support, panoramic photography system support includes: foot rest, yun tai, multimachine layer board, video camera every single move correcting member and video camera fast -assembling parts, the multimachine layer board is fixed at cloud bench top end, and the video camera connects gradually with fast -assembling part and video camera every single move correcting member to the bottom of every group video camera every single move correcting member is all fixed on the multimachine layer board, can be under the prerequisite of the total resolution ratio of add -on system not, become the every single move shooting angle of each video camera adjustable, make its can be according to the seat in the plane, take accurate, the nimble control of condition such as scenery, thereby the akin obtains broader dynamic vertical angle of view.
Description
Technical field
This utility model relates to a kind of panoramic shooting system, the panoramic shooting system at a kind of controllable pitch angle, belongs to camera and controls technical field.
Background technology
Film virtualization makes the main development direction having become as future movie shooting technology, and the shooting technology of panorama background video becomes a technical difficult points needing solution badly.
Film virtualization manufacturing technology is that virtual photography, virtual product model, virtual role animation, the tracking of real-time camera, real-time rendering, the in real time technology such as synthesis and preview in real time are incorporated film making flow process, integrating traditional film making links, thus improve film production efficiency, realize making full-range emulation, preview, the general name of all kinds of technology of the function such as planning.
Along with film shooting technology and the development of computer scientific and technological level.It is increasing that digital special effect is produced on proportion in film making link.Traditional film trick is to shoot prospect by shooting real background before green curtain or blue curtain, and then the later stage is by scratching as synthesizing, or uses computer to carry out the creation of the drafting of background, three-dimensional character completely, finally synthesizes.At floor, traditional film special effect making mode cannot see that the picture that film is final, the completely experience by creator in chief shoot before green curtain, can only find during the late stages of developmet if there is problem.
In film virtualization manufacturing process, used scenery assets mainly comprise three classifications: one is the scenery having with theme being shot (performer) and directly contacting or have hiding relation, true scenery in this kind of scenery usually film studio is main, in the range of main body 0-10 rice；Two is the virtual three-dimensional scenery set up by 3-D technology, and this kind of scenery is typically away from main body 10-100 rice scope；Three is the two-dimensional background image obtained by pan-shot, this kind of scenery typically away from main body distance more than 100 meters.This patent indication panoramic shooting system is for the shooting of the 3rd class assets.
Entirely during film virtualization production, panorama background video is for the preview of scene medium long shot scenery.Scape background video typically uses multiple stage camera to shoot simultaneously, utilizes later stage technology that multimachine picture is merged, spliced, thus obtains complete full-view image.
Film virtualization makes the demand to panorama background video and generally includes:
24 frame dynamic image shooting abilities per second.
Unit shooting resolution is not less than 4K.
360 ° of horizontal view angle shootings can be realized.
Vertical angle of view is big as far as possible, and minimum is not less than 45 °.
Angular resolution is not less than 45 pixels/degree.
Owing to film virtualization makes, panorama background had certain special demand, it is possible to according to its specific demand design technology project, thus obtain optimized system.
Panorama background is mainly used in the preview of distant view in film virtualization manufacturing process, has analyzed, and the scenery outside the most about 100 meters just can use two-dimensional panoramic image, and the scenery within 100 meters typically uses virtual three-dimensional model or outdoor scene model.Based on this purposes, during full-view image shooting, foreground object, emphasis shooting distant view object should be avoided as far as possible.If in occurring in full-view image picture, close shot object, in picture, close shot object can overlap with threedimensional model even outdoor scene model, the relation such as block, thus cause the mistake in perspective, and then affect preview effect.
In the case of conventional levels shoots, horizon is in picture centre position, during the area of the horizon following above ground portion overwhelming majority is in, close shot scope, can not well be used in previews, generally, in, close shot ground substitutes by three dimensional virtual models or outdoor scene in previews.
If only carrying out level shooting, namely luffing angle is non-adjustable, can cause both sides loss: one is to have the area close to half to be wasted in picture, it is impossible to directly apply to film shooting；Two is the effective vertical angle of view having a strong impact on whole system, causes the huge waste of vertical angle of view, there will be situation about can not shooting main body all be recorded in some cases.
In order to solve problem above, two schemes can be used.The first scheme is on the premise of keeping every camera level shooting, suitably increases camera quantity, i.e. increases panoramic shooting system entirety physical resolution, then take the camera distribution mode being suitable for, thus obtain broader vertical angle of view further.But the cost of this scheme is the increase in system complexity, reduces system reliability, adds system cost, add system bulk and weight, increase shooting difficulty.Simultaneously as still use level shooting, picture still there is the content close to half be in two-shot, be non-serviceable, cause the waste of resource, so this scheme is not appropriate for the actual demand that film virtualization makes.
Scheme two is i.e. the thinking that the utility model proposes: be on the premise of not increasing system total resolution, the tilt angle of each camera is become adjustable, it is made according to the condition such as seat in the plane, photographed accurately, control flexibly, thus to be equivalent to obtain broader dynamic vertical visual angle.This scheme is formulated for the specific demand of panorama background in making according to film virtualization, on the basis of not increasing system complexity, can meet the shooting needs of filming shooting.
Utility model content
For background above, this utility model provides a kind of controllable pitch angle panoramic shooting system made for film virtualization, 360 ° of horizontal view angles can be realized, horizontal and vertical angular resolution is not less than 45 pixels/degree, and on the premise of not increasing camera quantity and meeting minimum angular resolution, realize camera shooting luffing angle adjustable, indirectly improve systematic vertical visual angle, thus meet different film demand.
This utility model provides a kind of controllable pitch angle panoramic shooting system made for film virtualization, including multiple stage camera, and panoramic shooting system frame；
Described panoramic shooting system frame includes: foot rest, The Cloud Terrace, many machine supporting plates, camera pitching adjust parts and camera fast-assembling parts；
The bottom of The Cloud Terrace is fixed on foot rest top and can horizontally rotate, many machine supporting plates are fixed on The Cloud Terrace top, camera fast-assembling parts include assembly A and the assembly B that can be fixed together, the bottom of every camera by the assembly A of chain joint assembly I and one group of camera fast-assembling parts fixing make between camera and assembly A cannot relative motion, and the assembly B of these group camera fast-assembling parts fixed by chain joint assembly II and one group of camera pitching adjustment parts；Often the bottom of group camera pitching adjustment parts is each attached on many machine supporting plates, and, the camera pitching of each group adjusts parts on many machine supporting plates around arranging；The most adjacent angle between two cameras main shaft is equal, and camera spacing should ensure that adjacent camera does not hinders when pitching is moved, and can guarantee that the picture registration required by system simultaneously；Each camera has identical parameters and all camera lenses are outwardly disposed；
Described camera pitching adjustment parts have luffing angle and show；And the adjustment plane of the angle of pitch is perpendicular to multimachine splint upper surface；
Described camera quantity should meet equation below:
360 ° of ＜ camera unit horizontal resolution * camera quantity * (1-picture coincidence factor * 2) of smallest angular resolution * required by system；
The camera lens of described camera selects to meet following condition:
(-360 °, single-lens horizontal view angle/camera quantity)/single-lens horizontal view angle ＞ picture coincidence factor；
After selecting to coordinate with camera, single-lens horizontal view angle is more than or equal to the tight shot calculating the single-lens horizontal view angle obtained according to above formula.
Compared with prior art, the beneficial effects of the utility model are:
(1) only use 6 4K cameras can realize angular resolution more than resolution more than 45 pixels/spend, obtain 360 ° of horizontal view angles simultaneously.
(2) on the premise of not increasing camera quantity, adjust every camera machine shooting angle of pitch by unified, can the vertical angle of view of Dynamic expansion panoramic shooting system, thus meet different shooting demand.
(3) in panoramic shooting system, the relative position of different cameras all keeps fixing, under conditions of tilt angle multimachine is unified, can use fixing later stage multimachine picture fusion parameters, thus greatly reduce later stage amount of calculation, improves production efficiency and quality.
Accompanying drawing explanation
Fig. 1 is an example structure schematic diagram of controllable pitch angle described in the utility model panoramic shooting system；
Fig. 2 is the many machine supporting plates top view equipped with position, angle platform；
Fig. 3 is the oblique view of Fig. 2；
Fig. 4 is the assembling schematic diagram between camera and fast-assembling parts and position, angle platform；
Fig. 5 is the assembling schematic diagram between position, angle platform and fast-assembling parts；
Fig. 6 is the side view after installing multiple stage camera on many machine supporting plates；
Fig. 7 is by becoming to look up the schematic diagram of state after position, the angle platform each camera pitch angle of adjustment；
Fig. 8 is the schematic diagram by becoming vertical view state after position, the angle platform each camera pitch angle of adjustment；
Fig. 9 is position, angle platform zero angle of pitch view；
Figure 10 is that position, angle platform adjusts angle of pitch view；
Figure 11 is the side view of position, angle platform zero angle of pitch state；
Wherein 1-camera, 2-foot rest, 3-The Cloud Terrace, the many machine supporting plates of 4-, 5-camera pitching adjust parts, 6-camera fast-assembling parts, 7-assembly A, 8-assembly B, 9-chain joint assembly I, 10-chain joint assembly II, 11-bolt, 12-upper plate, 13-lower plate.
Detailed description of the invention
Below in conjunction with drawings and Examples, this utility model is described in detail, also describe simultaneously technical solutions of the utility model solve the technical problem that, principle and beneficial effect.
An embodiment as shown in Figure 1, the controllable pitch angle panoramic shooting system for film virtualization making that this utility model provides includes multiple stage camera, and panoramic shooting system frame；
Described panoramic shooting system frame includes: foot rest (2), The Cloud Terrace (3), many machine supporting plates (4), camera pitching adjust parts (5) and camera fast-assembling parts (6)；
The bottom of The Cloud Terrace (3) is fixed on foot rest (2) top and can horizontally rotate that (foot rest, The Cloud Terrace can use third party device, primarily serve support, the regulation effect such as shooting height, adjustment level), many machine supporting plates (4) are fixed on The Cloud Terrace (3) top, and (many machine supporting plates play support, fixing, the effect of 6 cameras of connection, see Fig. 2 and Fig. 3), camera fast-assembling parts (6) includes assembly A (7) and the assembly B (8) that can be fixed together, and plays the effect of fast assembling-disassembling camera；The bottom of every camera (1) fixes by the assembly A (7) of chain joint assembly I (9) and one group of camera fast-assembling parts (6) that make between camera and assembly A (7) cannot relative motion, and the assembly B (8) of this group camera fast-assembling parts (6) adjusts parts (5) by chain joint assembly II (10) with one group of camera pitching and fixes, and sees Fig. 4；Often the bottom of group camera pitching adjustment parts (5) is each attached on many machine supporting plates (4), and, the camera pitching of each group adjusts parts (5) in many machine supporting plates (4) upper cincture arrangement.
The most adjacent angle between two cameras main shaft is equal, and camera spacing should ensure that adjacent camera does not hinders when pitching is moved, and can guarantee that the picture registration required by system simultaneously；Each camera has identical parameters and all camera lenses are outwardly disposed；The camera pitching of each group adjusts parts (5) on many machine supporting plates (4) with The Cloud Terrace center as the center of circle, and camera main shaft is equiangularly spaced around arrangement, sees Fig. 2 and Fig. 3；
Described camera pitching adjustment parts (5) has luffing angle and shows (see Fig. 9 Figure 10 and Figure 11), and user can adjust angle accurately；And the adjustment plane of the angle of pitch is perpendicular to the upper surface of many machine supporting plates (4)；Can independently regulation each camera tilt angle, according to shooting needs, when camera pitching adjustment parts (5) regulates the tilt angle of each camera, luffing angle adjusting range should be not less than ± 15 ° (see Fig. 6 Fig. 7 and Fig. 8).In the present embodiment, described camera pitching adjusts parts and uses position, angle platform or ship type slide unit.
Described camera quantity should meet equation below:
360 ° of ＜ camera unit horizontal resolution * camera quantity * (1-picture coincidence factor * 2) of smallest angular resolution * required by system；
The selection principle of camera described in embodiment is can to realize resolution to be not less than 4k (unit is pixel), and on the premise of the dynamic image shooting work of 24 frames progressive scans per second, selects the little lightweight model of volume as far as possible.So when picture coincidence factor being required for no less than the 15% of individual picture (requirement to picture coincidence factor of the general later stage fusion software), smallest angular resolution is 45 pixels/degree, and during unit horizontal resolution 4096, substitution formula obtains camera quantity and is more than 5.65, i.e. camera quantity is at least 6.Between every two cameras main shaft, angle is 60 °.
The camera lens of described camera selects to meet following condition:
(-360 °, single-lens horizontal view angle/camera quantity)/single-lens horizontal view angle ＞ picture coincidence factor；
After selecting to coordinate with camera, single-lens horizontal view angle is more than or equal to the tight shot calculating the single-lens horizontal view angle obtained according to above formula.In the present embodiment, available single-lens horizontal view angle need to be more than 70 °, so horizontal view angle is more than or equal to the tight shot of 70 ° after having only to select to coordinate with camera.
As preferably, it is vertical that camera optical axis adjusts unit shaft with camera pitching.It practice, position, angle platform is not calibrated when assembling with machine, it is not required that calibration, generally optical axis is vertical with the platform rotating shaft of position, angle, but not precision prescribed.
Further,
As preferably, in the present embodiment, use between chain joint assembly I (9) and camera (1) bottom surface at 2 and fix.Chain joint assembly I (9) is used for the assembly A (7) connecting camera (1) with camera fast-assembling parts (6), and, chain joint assembly I (9) is the protruding connecting plate matched with camera bottom surface detent with 1 bolt and 1, described bolt passes this connecting plate and the assembly A (7) of camera fast-assembling parts, and is fixed together in assembly A (7) and camera (1) bottom surface of connecting plate and camera fast-assembling parts；Described projection is placed in the detent of camera bottom surface.This is because after ordinary camera is directly linked with Quick-mounting board by a bolt under normal circumstances, the possibility of rotation is still had between camera and Quick-mounting board, because being that single-point is fixed, and after this utility model adds chain joint assembly I, between chain joint assembly I (9) and camera fast-assembling parts (6) being at 2, fixing (i.e. one point is bolt, another point is a projection on chain joint assembly I and camera bottom surface detent), to ensure that camera positions completely.
In the present embodiment, see Fig. 4 and Fig. 5, chain joint assembly II (10) includes upper plate (12) and lower plate (13), the bottom surface of described upper plate (12) and the assembly B (8) of camera fast-assembling parts is fixed, the upper surface that lower plate (13) adjusts parts (5) with camera pitching is fixed, and the edge of upper plate (12) and lower plate (13) uses bolt (11) to be fixed together.Chain joint assembly II (10) uses upper plate and the reason of lower plate two pieces: because the third party's quick assembling unit being currently available can not directly link with slide unit (position, angle platform), so needing first to be linked with quick assembling unit by the upper plate (12) of chain joint assembly II (10), then the lower plate (13) connecting assembly II (10) is connect with position, the angle chain of stations, the most again upper plate (12) and lower plate (13) two parts are linked together.
Many machine supporting plates have multiple hole on (4), for by cable etc..
After using this utility model, can be on the premise of not increasing system total resolution, the tilt angle of each camera is become adjustable so that it is can according to the condition such as seat in the plane, photographed accurately, control flexibly, thus be equivalent to obtain broader dynamic vertical visual angle.
The above; it is only detailed description of the invention of the present utility model; but protection domain of the present utility model is not limited thereto; any it is familiar with the people of this technology in the technical scope disclosed by this utility model; it is appreciated that the conversion and replacement expected; all should contain within the scope of of the present utility model comprising, therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (10)
1. the controllable pitch angle panoramic shooting system made for film virtualization, it is characterised in that include multiple stage camera, and panoramic shooting system frame；
Described panoramic shooting system frame includes: foot rest (2), The Cloud Terrace (3), many machine supporting plates (4), camera pitching adjust parts (5) and camera fast-assembling parts (6)；
The bottom of The Cloud Terrace (3) is fixed on foot rest (2) top and can horizontally rotate, many machine supporting plates (4) are fixed on The Cloud Terrace (3) top, camera fast-assembling parts (6) includes assembly A (7) and the assembly B (8) that can be fixed together, the bottom of every camera (1) fixes by the assembly A (7) of chain joint assembly I (9) and one group of camera fast-assembling parts (6) that make between camera and assembly A (7) cannot relative motion, and the assembly B (8) of this group camera fast-assembling parts (6) adjusts parts (5) by chain joint assembly II (10) with one group of camera pitching and fixes；Often the bottom of group camera pitching adjustment parts (5) is each attached on many machine supporting plates (4), and, the camera pitching of each group adjusts parts (5) in many machine supporting plates (4) upper cincture arrangement；
The most adjacent angle between two cameras main shaft is equal, and camera spacing should ensure that adjacent camera does not hinders when pitching is moved, and can guarantee that the picture registration required by system simultaneously；Each camera has identical parameters and all camera lenses are outwardly disposed；
Described camera pitching adjustment parts (5) has luffing angle and shows；And the adjustment plane of the angle of pitch is perpendicular to the upper surface of many machine supporting plates (4)；
Described camera quantity should meet equation below:
360 ° of ＜ camera unit horizontal resolution * camera quantity * (1-picture coincidence factor * 2) of smallest angular resolution * required by system；
The camera lens of described camera selects to meet following condition:
(-360 °, single-lens horizontal view angle/camera quantity)/single-lens horizontal view angle ＞ picture coincidence factor；
After selecting to coordinate with camera, single-lens horizontal view angle is more than or equal to the tight shot calculating the single-lens horizontal view angle obtained according to above formula.
A kind of controllable pitch angle panoramic shooting system made for film virtualization, it is characterised in that use between chain joint assembly I (9) and camera (1) bottom surface at 2 and fix.
A kind of controllable pitch angle panoramic shooting system made for film virtualization, it is characterized in that, chain joint assembly I (9) is the protruding connecting plate matched with camera bottom surface detent with 1 bolt and 1, described bolt passes this connecting plate and the assembly A (7) of camera fast-assembling parts, and is fixed together in assembly A (7) and camera (1) bottom surface of connecting plate and camera fast-assembling parts；Described projection is placed in the detent of camera bottom surface.
A kind of controllable pitch angle panoramic shooting system made for film virtualization, it is characterized in that, chain joint assembly II (10) includes upper plate (12) and lower plate (13), the bottom surface of described upper plate (12) and the assembly B (8) of camera fast-assembling parts is fixed, the upper surface that lower plate (13) adjusts parts (5) with camera pitching is fixed, and the edge of upper plate (12) and lower plate (13) is adopted and is bolted together.
A kind of controllable pitch angle panoramic shooting system made for film virtualization, it is characterized in that, when picture coincidence factor being required for no less than the 15% of individual picture, smallest angular resolution is 45 pixels/degree, and during unit horizontal resolution 4096, camera quantity is at least 6.
A kind of controllable pitch angle panoramic shooting system made for film virtualization, it is characterized in that, the camera pitching of each group adjusts parts (5) on many machine supporting plates (4) with The Cloud Terrace center as the center of circle, and camera main shaft is equiangularly spaced around arrangement.
A kind of controllable pitch angle panoramic shooting system made for film virtualization, it is characterised in that described camera resolution is not less than 4k, and unit is pixel, and 24 frame progressive scans per second.
A kind of controllable pitch angle panoramic shooting system made for film virtualization, it is characterised in that described camera pitching adjusts parts (5) and uses position, angle platform or ship type slide unit.
A kind of controllable pitch angle panoramic shooting system made for film virtualization, it is characterized in that, when camera pitching adjustment parts (5) regulates the tilt angle of each camera, luffing angle adjusting range should be not less than ± 15 °.
A kind of controllable pitch angle panoramic shooting system made for film virtualization, it is characterised in that many machine supporting plates have multiple hole on (4).
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| CN201620257165.1U CN205430421U (en) | 2016-03-25 | 2016-03-25 | A controllable angle of pitch panoramic photography system for preparation of film virtualization |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105681638A (en) * | 2016-03-25 | 2016-06-15 | 北京电影学院 | Controllable pitch angle panoramic photography system used for film virtual production |
| CN106572313A (en) * | 2016-10-31 | 2017-04-19 | 腾讯科技（深圳）有限公司 | Video recording box and video recording method and device |
| CN106594466A (en) * | 2017-01-23 | 2017-04-26 | 杭州在现科技有限公司 | Panoramic pan-and-tilt head |
| CN115209181A (en) * | 2022-06-09 | 2022-10-18 | 咪咕视讯科技有限公司 | Video synthesis method based on surround view angle, controller and storage medium |
-
2016
- 2016-03-25 CN CN201620257165.1U patent/CN205430421U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105681638A (en) * | 2016-03-25 | 2016-06-15 | 北京电影学院 | Controllable pitch angle panoramic photography system used for film virtual production |
| CN106572313A (en) * | 2016-10-31 | 2017-04-19 | 腾讯科技（深圳）有限公司 | Video recording box and video recording method and device |
| WO2018076883A1 (en) * | 2016-10-31 | 2018-05-03 | 腾讯科技（深圳）有限公司 | Video filming box and video filming method, apparatus, and storage medium |
| CN106572313B (en) * | 2016-10-31 | 2019-01-08 | 腾讯科技（深圳）有限公司 | Video capture box and video capture method and apparatus |
| CN106594466A (en) * | 2017-01-23 | 2017-04-26 | 杭州在现科技有限公司 | Panoramic pan-and-tilt head |
| CN106594466B (en) * | 2017-01-23 | 2019-02-26 | 杭州在现科技有限公司 | A kind of pan and tilt head |
| CN115209181A (en) * | 2022-06-09 | 2022-10-18 | 咪咕视讯科技有限公司 | Video synthesis method based on surround view angle, controller and storage medium |
| CN115209181B (en) * | 2022-06-09 | 2024-03-22 | 咪咕视讯科技有限公司 | Video synthesis method based on surrounding view angle, controller and storage medium |
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