CN104185013A - Three-dimensional holographic background photography system - Google Patents
Three-dimensional holographic background photography system Download PDFInfo
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- CN104185013A CN104185013A CN201310200178.6A CN201310200178A CN104185013A CN 104185013 A CN104185013 A CN 104185013A CN 201310200178 A CN201310200178 A CN 201310200178A CN 104185013 A CN104185013 A CN 104185013A
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Abstract
The invention relates to a novel studio shooting method; and with utilization of the combination technology of virtuality and reality, a shooting effect close to a real-world scene is generated. According to the invention, a holographic projection film and a color liquid crystal projector are used for displaying a three-dimensional image that is obtained by real-time operation of a personal computer or a graphic workstation; on the basis of angles of a wireless transmitter and a six-shaft motion sensor, the image displayed at the holographic projection film is closer to the real-world scene; effects like the field depth and blur and the like of the holographic projection film are changed in real time by utilizing an F coefficient, shutter time, an ISO light-sensitive numerical value that are obtained by the wireless transmitter, so that the photographer can carry out view finding and picture composition in real time conveniently. High-power electronic flashlights with color chips are used or a pure-color background screen is used for reflecting light from the high-power electronic flashlights to generate a pure-color background color, so that the image shot by the digital camera can be taken by the personal computer or the graphic workstation conveniently. Therefore, a three-dimensional image with the highest quality can be generated, so that the finished product can be close to the real-world scene well.
Description
[technical field]
The present invention relates to camera work, photoelectric technology and computer picture synthetic technology.The present invention comprises color liquid crystal projecting apparatus, the wireless launcher that comprises six axis movement sensors based on camera hot shoe interface, the between-lens shutter with wireless receiving module, line holographic projections film, digital camera, six axis movement sensors, solid background curtain, for playing up personal computer or the graphics workstation of three-dimensional background image and possessing the great-power electronic photoflash lamp of the digital control flash of light power output of personal computer technology.
[background technology]
Although the general portraiture photography curtain using is with low cost, not high to site requirements,, general portraiture photography curtain is based on plane medium, and final imaging effect is not true to nature, and is difficult for reclaiming utilization; Utilize the photographic background picture of projector curtain projection, although can build the effect of 3 D stereo,, photographic background and photographed person's light is more intense, and colour temperature difference is larger, and has significant limitation in the use of artificial light sources.Therefore, be necessary to develop a kind of brand-new photographic background system, have above advantage and can overcome again the photographic background system of above shortcoming.So the 3D hologram photographic background system that adopts line holographic projections and computer picture synthetic technology to realize is arisen at the historic moment.
If portraiture photography background adopts the 3D hologram background camera chain of line holographic projections film and computer picture synthetic technology, not only not high to site requirements, and projecting apparatus only uses as the preview before taking, and does not make actual imaging, actual imaging utilizes primary color background and computer to synthesize.So, can there is not larger light ratio and colour temperature difference, in the use of artificial light sources, there is no limitation simultaneously yet.And because line holographic projections film can reuse, in the time of long-term use, cost is very cheap.
[summary of the invention]
As shown in Figure 1, put mode for current main flow portraiture photography background, only formed by digital camera DC1 and photographic background curtain BD1.Conventional photographic background adopts PEPA iridescent paper, PEPA iridescent paper is formed by acrylic resin, polyvinyl resin and natural stone-powder mixed pressure, its advantage is, construct very simple, easy operating, and cost is lower, the use of artificial light sources (great-power electronic photoflash lamp SL1 as shown in Figure 1 and supporting soft box SB1) is unrestricted, and PEPA iridescent paper itself combines together with floor environment, can not produce serious light ratio and colour temperature difference.But its shortcoming is also apparent, photographic background curtain, based on planar coloured printing, only has a plane in the time of actual photographed, there is no three-dimensional stereo effect, final very distortion of shooting effect.And because PEPA iridescent paper is printed matter, a photographic background can only have a photographic subject, adds conventional photographic background paper support and can hang at most 10 background papers, so the photographic background type limitation based on planar coloured printing is higher.Because photography industry needs often to upgrade photographic subject with meeting the market requirement, so this photographic background curtain is ageing very short, long-term use can cause the very large wasting of resources.
The present invention addresses the aforementioned drawbacks and proposes, its object is thoroughly to improve takes finished product effect, and can be before shooting preview shooting final finished effect, can not cause the wasting of resources simultaneously, save daily expenses cost, and a kind of brand-new commercial shoot canopy style of shooting is provided.
In order to achieve the above object, the present invention will utilize line holographic projections technology and Computerized three-dimensional image synthetic technology to generate the final finished product of taking, and reach the object of virtual and real combination.Line holographic projections, as taking preview in early stage, provides the three-dimensional picture of real-time calculation for photographer's frame composition, utilizes six axis movement sensors, the angle of real-time operation camera and subject, and be reflected in real time on line holographic projections film.In the time that camera shutter is opened, by the light that utilizes great-power electronic photoflash lamp to project pure color light or utilize pure color curtain to reflect to holographic film, make computer be more prone to take subject, do not need complicated manual operation, the process of playing up generation final finished is all completed automatically by computer.After shutter closure, line holographic projections is resumed work, and waits for next time and taking.
[brief description of the drawings]
Fig. 1 is that the concrete enforcement structure chart of mode is put at present conventional commercial shoot canopy photography.
Fig. 2 is the concrete enforcement structure chart that mode is put in the film studio of transparent holographic film of the present invention.
Fig. 3 is the concrete enforcement structure chart that mode is put in the film studio of the opaque holographic film of middle ash of the present invention.
Fig. 4 is the planar structure schematic diagram of between-lens shutter in the present invention.
Fig. 5 is the mounting means schematic diagram of between-lens shutter and color liquid crystal projecting apparatus.
Fig. 6 is the planar structure schematic diagram of Wireless Transmitter variety classes hot shoe interface of the present invention.
Fig. 7 is the mounting means schematic diagram of colour filter and high-power photoflash lamp.
[embodiment]
Shown in Fig. 2, the 3D hologram background camera chain of transparent holographic projection film and computer picture synthetic technology comprises: for taking the color liquid crystal projecting apparatus PR1 of real-time rendering in early stage, be installed in the projection lens of color liquid crystal projecting apparatus PR1 or before projection lens, there is the between-lens shutter LS1 of wireless receiving module for blocking color liquid crystal projecting apparatus light, take the green or blue solid background curtain BG1 of image for computer, for the high-power photoflash lamp SL1 and the SL2 that possess the digital control flash of light power output of personal computer technology to solid background curtain light filling, for soft box SB1 and the SB2 of the high-power photoflash lamp SL1 of softening and SL2 light, great-power electronic photoflash lamp SL3 and the SB3 that can freely add according to shooting demand.For presenting the HF1 of transparent holographic projection film of color liquid crystal projector projects image, utilize the hot shoe interface of digital camera to obtain aperture F coefficient, shutter speed, shooting numerical value such as photosensitivity ISO numerical value and colour temperature K value and comprise and calculate and record the wireless launcher WS1 of the horizontal level of digital camera and six axis movement sensors of vertical height, for playing up Computerized three-dimensional background and digital camera take pictures synthetic graphics workstation or personal computer PC 1, for taking the digital camera DC1 of imaging, for calculating and record the horizontal level of subject and six axis movement sensor SS1 of vertical height.
The function mode of the 3D hologram background camera chain of transparent holographic projection film and computer picture synthetic technology is as follows, take while finding a view early stage, the three-dimensional background video of graphics workstation or personal computer real-time rendering exports on color liquid crystal projecting apparatus PR1, color liquid crystal projecting apparatus PR1 is projected to three-dimensional background video on the HF1 of transparent holographic projection film, by being installed on six axis movement sensor SS1 in the wireless launcher WS1 that comprises six axis movement sensors and the subject on digital camera DC1 hot shoe interface, the angle of image is played up in the change in real time of the angle of graphics workstation or personal computer PC 1 horizontal level between six axis movement sensor SS1 in the wireless launcher WS1 that comprises six axis movement sensors and the subject on digital camera DC1 hot shoe interface and vertical height by calculation element, to reach more real three-dimensional stereo effect, meanwhile, on digital camera DC1 hot shoe interface, wireless launcher WS1 obtains digital camera DC1 aperture F coefficient at that time from the hot shoe interface of digital camera DC1, shutter speed, photosensitivity ISO numerical value and colour temperature K value are sent to graphics workstation or personal computer PC 1, the aperture F coefficient that graphics workstation or personal computer PC 1 send according to wireless launcher WS1, calculate the depth of field depth of the three-dimensional background video of real-time rendering, the aperture time sending according to wireless launcher WS1, in the three-dimensional background video of calculating real-time rendering, Moving Objects is (as personage, wagon flow, current etc.) movement locus, high optical track mark and dynamic fuzzy, the photosensitivity ISO numerical value and the colour temperature K value that send according to wireless launcher WS1, calculate exposure and the colour temperature K value of the three-dimensional background video of real-time rendering, calculating by above numerical value with play up, output to color liquid crystal projecting apparatus PR1, make to be finally projected to three-dimensional background video on the HF1 of transparent holographic projection film more close to reality scene.
In the time of the shutter opening of digital camera DC1, the wireless launcher WS1 being installed on digital camera DC1 hot shoe interface sends wireless receiving module and graphics workstation or the personal computer PC 1 of instruction to between-lens shutter LS1, be installed on the between-lens shutter LS1 closure in the projection lens of color liquid crystal projecting apparatus PR1 or before projection lens, stop the light that color liquid crystal projecting apparatus PR1 projects.Make line holographic projections film HF1 keep transparent, graphics workstation or the personal computer PC 1 aperture F coefficient that the wireless launcher WS1 on digital camera DC1 hot shoe interface sends through calculation element simultaneously, shutter speed and photosensitivity ISO numerical value, control possesses the high-power photoflash lamp SL1 of the digital control flash of light power output of personal computer technology and power output the trigger flashing of SL2, and can be according to high-power photoflash lamp SL1, the distance of SL2 and green or blue solid background curtain BG1, or the filter using according to digital camera DC1 is (as middle gray density filter, polarization filter etc.) exposure compensating factor carry out the power output manual gain of single or multiple high-power photoflash lamps, to ensure that high-power photoflash lamp SL1 and SL2 see through line holographic projections film from the light of green or blue solid background curtain BG1 reflection and inject the image sensor of digital camera DC1 and be no more than the tolerance that image sensor can bear, can not cause the over-exposed tolerance that exceedes digital camera DC1 to make solid background BG1 become white background to reach, the tolerance that also can not cause exposure shortcoming not reach digital camera DC1 makes solid background BG1 become the effect of black or gray background.Graphics workstation or personal computer PC 1 are obtained the photo of having taken from digital camera DC1, the angle of six axis movement sensor SS1 in wireless launcher WS1 and the subject that comprises six axis movement sensors by calculation element on digital camera DC1 hot shoe interface, carry out playing up of high pixel, high texturing, fine model detail, the subject generation photomontage that the most three-dimensional background image and the digital camera DC1 that is taken out by graphics workstation and personal computer PC 1 take, and preserve the source file of the three-dimensional background image of photo and generation.
In the time that the shutter of digital camera DC1 is closed, the between-lens shutter LS1 being installed in the projection lens of color liquid crystal projecting apparatus PR1 or before projection lens opens, the light that allows color liquid crystal projecting apparatus PR1 project, project on line holographic projections film HF1, the six axis movement sensor SS1 that are installed in the wireless launcher WS1 that comprises six axis movement sensors and the subject on digital camera DC1 hot shoe interface work on, and other equipment are awaited orders.By above step, complete and once take action.
Shown in Fig. 3, the 3D hologram background camera chain of the opaque line holographic projections film of middle ash and computer picture synthetic technology comprises: for taking the color liquid crystal projecting apparatus PR1 of real-time rendering in early stage, be installed in the projection lens of color liquid crystal projecting apparatus PR1 or before projection lens, there is the between-lens shutter LS1 of wireless receiving module for blocking color liquid crystal projecting apparatus light, for the high-power photoflash lamp SL1 and the SL2 that possess the digital control flash of light power output of personal computer technology to the opaque line holographic projections film of ash throw light, for changing high-power photoflash lamp SL1 and SL2 light color to facilitate computer to take green or blue pure color colour filter CF1 and the CF2 of image, great-power electronic photoflash lamp SL3 and the SB3 that can freely add according to shooting demand, for presenting the opaque line holographic projections film of the ash HF1 of color liquid crystal projector projects image and high-power photoflash lamp SL1 and SL2 throw light, utilize the hot shoe interface of digital camera to obtain aperture F coefficient, shutter speed, shooting numerical value such as photosensitivity ISO numerical value and colour temperature K value and comprise and calculate and record the wireless launcher WS1 of the horizontal level of digital camera and six axis movement sensors of vertical height, for playing up Computerized three-dimensional background and digital camera take pictures synthetic graphics workstation or personal computer PC 1, for taking the digital camera DC1 of imaging, for calculating and record the horizontal level of subject and six axis movement sensor SS1 of vertical height.
The function mode of the 3D hologram background camera chain of the opaque line holographic projections film of middle ash and computer picture synthetic technology is as follows, take while finding a view early stage, the three-dimensional background video of graphics workstation or personal computer real-time rendering exports on color liquid crystal projecting apparatus PR1, color liquid crystal projecting apparatus PR1 is projected to three-dimensional background video on the opaque line holographic projections film of middle ash HF1, by being installed on six axis movement sensor SS1 in the wireless launcher WS1 that comprises six axis movement sensors and the subject on digital camera DC1 hot shoe interface, the angle of image is played up in the change in real time of the angle of graphics workstation or personal computer PC 1 horizontal level between six axis movement sensor SS1 in the wireless launcher WS1 that comprises six axis movement sensors and the subject on digital camera DC1 hot shoe interface and vertical height by calculation element, to reach more real three-dimensional stereo effect.Meanwhile, on digital camera DC1 hot shoe interface, wireless launcher WS1 obtains digital camera DC1 aperture F coefficient at that time from the hot shoe interface of digital camera DC1, shutter speed, photosensitivity ISO numerical value and colour temperature K value are sent to graphics workstation or personal computer PC 1, the aperture F coefficient that graphics workstation or personal computer PC 1 send according to wireless launcher WS1, calculate the depth of field depth of the three-dimensional background video of real-time rendering, the aperture time sending according to wireless launcher WS1, in the three-dimensional background video of calculating real-time rendering, Moving Objects is (as personage, wagon flow, current etc.) movement locus, high optical track mark and dynamic fuzzy, the photosensitivity ISO numerical value and the colour temperature K value that send according to wireless launcher WS1, calculate exposure and the colour temperature K value of the three-dimensional background video of real-time rendering, calculating by above numerical value with play up, output to color liquid crystal projecting apparatus PR1, make to be finally projected to three-dimensional background video on the opaque line holographic projections film of middle ash HF1 more close to reality scene.
In the time of the shutter opening of digital camera DC1, the wireless launcher WS1 being installed on digital camera DC1 hot shoe interface sends wireless receiving module and graphics workstation or the personal computer PC 1 of instruction to between-lens shutter LS1, be installed on the between-lens shutter LS1 closure in the projection lens of color liquid crystal projecting apparatus PR1 or before projection lens, stop the light that color liquid crystal projecting apparatus PR1 projects.Make the opaque line holographic projections film of middle ash HF1 upper without any light, graphics workstation or the personal computer PC 1 aperture F coefficient that the wireless launcher WS1 on digital camera DC1 hot shoe interface sends through calculation element simultaneously, shutter speed and photosensitivity ISO numerical value, control possesses the high-power photoflash lamp SL1 of the digital control flash of light power output of personal computer technology and power output the trigger flashing of SL2, and can be according to being installed on high-power photoflash lamp SL1, green before SL2 or blue color filter CF1, the exposure compensating factor of CF2, or the filter using according to digital camera DC1 is (as middle gray density filter, polarization filter etc.) exposure compensating factor carry out the power output manual gain of single or multiple high-power photoflash lamps, to ensure that high-power photoflash lamp SL1 and SL2 see through green or blue color filter CF1, the light of CF2 projection reflects at the exposure value of the opaque line holographic projections film of middle ash and can not exceed the tolerance that digital camera DC1 image sensor can bear, can not cause over-exposed and exceed the tolerance of digital camera DC1 to reach, make solid background BG1 become white background, the tolerance that also can not cause exposure shortcoming not reach digital camera DC1 makes solid background BG1 become the effect of black or gray background.Graphics workstation or personal computer PC 1 are obtained the photo of having taken from digital camera DC1, the angle of six axis movement sensor SS1 in wireless launcher WS1 and the subject that comprises six axis movement sensors by calculation element on digital camera DC1 hot shoe interface, carry out playing up of high pixel, high texturing, fine model detail, the subject generation photomontage that the most three-dimensional background image and the digital camera DC1 that is taken out by graphics workstation and personal computer PC 1 take, and preserve the source file of the three-dimensional background image of photo and generation.
In sum, the operation workflow of two kinds of different types of line holographic projections films of the present invention and computer picture synthetic technology, can thoroughly improve the shooting finished product effect of current commercial shoot canopy, and can be before shooting preview shooting final finished effect.Can not cause the wasting of resources, save daily expenses cost, a kind of brand-new commercial shoot canopy style of shooting is provided simultaneously.
Claims (9)
1. a 3D hologram background camera chain, it comprises following equipment:
Video projection system
Video projection imaging medium
A shutter
A wireless launcher
A digital camera
Six axis movement sensors
Pure color ray cast system or pure color light reflection system
Graphics workstation or personal computer.
2. 3D hologram background camera chain according to claim 1, is characterized in that, described video projection system comprises one or more color liquid crystal projecting apparatus, or other video image device for projecting.
3. 3D hologram background camera chain according to claim 1, it is characterized in that, described pure color ray cast system comprises two or many great-power electronic photoflash lamps, can be by great-power electronic photoflash lamp by pure color ray cast to video projection imaging medium, pure color light reflection system comprises that two or many are utilized great-power electronic photoflash lamp throw light to pure color photography curtain reflection ray.
4. 3D hologram background camera chain according to claim 1, it is characterized in that, described video projection imaging medium comprises the image forming mediums such as back projection curtain, frosted glass, line holographic projections film, and through repetition test, the imaging effect of line holographic projections film is best.
5. 3D hologram background camera chain according to claim 4, it is characterized in that, described line holographic projections film is divided into the opaque two kinds of line holographic projections films of transparent and middle ash, and dissimilar line holographic projections film needs different execution modes to complete whole photographic process.
6. 3D hologram background camera chain according to claim 1, it is characterized in that, described shutter is divided into between-lens shutter or focal plane shutter, comprises wireless receiving module, when controlling between-lens shutter closure and open shutter after the signal that receives wireless launcher or personal computer transmission.
7. 3D hologram background camera chain according to claim 1, it is characterized in that, described wireless launcher is installed on the hot shoe interface of camera, inside comprises six axle motion-sensing modules, acts on to the signal of personal computer or graphics workstation transmission acquisition parameters, camera position and trigger flashing lamp.
8. 3D hologram background camera chain according to claim 1, is characterized in that, also can comprise that one for showing the display device of final finished.
9. 3D hologram background camera chain according to claim 1, is characterized in that, comprises the above facility information of a set of collection, controls above equipment running and export real-time rendering 3-dimensional image and finally synthesize the turn-key system software platform of finished product.
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| CN201310200178.6A CN104185013A (en) | 2013-05-27 | 2013-05-27 | Three-dimensional holographic background photography system |
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| CN201310200178.6A CN104185013A (en) | 2013-05-27 | 2013-05-27 | Three-dimensional holographic background photography system |
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| CN104185013A true CN104185013A (en) | 2014-12-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104954650A (en) * | 2015-01-14 | 2015-09-30 | 艾斯时展示文化有限公司 | Three-dimensional picture scanning system |
| CN108931876A (en) * | 2018-06-23 | 2018-12-04 | 张文锋 | Digital photography canopy system |
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| US6323971B1 (en) * | 2000-10-23 | 2001-11-27 | Zebra Imaging, Inc. | Hologram incorporating a plane with a projected image |
| CN201181968Y (en) * | 2007-11-01 | 2009-01-14 | 任鹏 | Shooting system for photo studio |
| CN102239689A (en) * | 2008-07-14 | 2011-11-09 | 穆申知识产权有限公司 | Live teleporting system and apparatus |
| CN202443242U (en) * | 2012-02-06 | 2012-09-19 | 深圳市大峡谷科技发展有限公司 | Multimedia 360-degree holographic imaging system |
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2013
- 2013-05-27 CN CN201310200178.6A patent/CN104185013A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6323971B1 (en) * | 2000-10-23 | 2001-11-27 | Zebra Imaging, Inc. | Hologram incorporating a plane with a projected image |
| CN201181968Y (en) * | 2007-11-01 | 2009-01-14 | 任鹏 | Shooting system for photo studio |
| CN102239689A (en) * | 2008-07-14 | 2011-11-09 | 穆申知识产权有限公司 | Live teleporting system and apparatus |
| CN202443242U (en) * | 2012-02-06 | 2012-09-19 | 深圳市大峡谷科技发展有限公司 | Multimedia 360-degree holographic imaging system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104954650A (en) * | 2015-01-14 | 2015-09-30 | 艾斯时展示文化有限公司 | Three-dimensional picture scanning system |
| CN108931876A (en) * | 2018-06-23 | 2018-12-04 | 张文锋 | Digital photography canopy system |
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Application publication date: 20141203 |