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Research On 3D Display Technology Of Integral Imaging Based On Lens Array

Posted on:2019-10-04Degree:MasterType:Thesis
Country:ChinaCandidate:J LiFull Text:PDF
GTID:2428330548461917Subject:Engineering
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In recent years,computer vision has received extensive attention.Integrated imaging technology is one of the most important research directions in computer vision.The emergence of smart phones,tablet computers,high-resolution displays,and even ultra-high resolution displays make people experience better when watching.But with the emergence of 3D movies,VR glasses and other technologies,we can really feel the three-dimensional scene,so people even hope to see the real three-dimensional scene when using display devices.Therefore,the emergence of 3D display technology will meet the needs of people.Compared with other 3D display technology,integrated imaging technology does not need to use any external auxiliary equipment will enable the viewer to see the 3D image,and integrated imaging can provide almost continuous parallax in the scope of the angle of view,it also ensures the user's sense of experience while simplifying the device,viewer no longer produces nausea,vertigo,and other discomfort,so integrated imaging technology is considered to be one of the most promising three dimensional display technologies.Due to the restriction and influence of many external conditions in the acquisition process,the acquisition process is carried out in virtual environment,and using a display platform in the display phase of the image.First,this article is based on the theory of computed integrated imaging,the acquisition stage of the image is carried out in 3ds MAX software,by creating a camera matrix and a three-dimensional object in the virtual environment of the software,in this way,simulating the real lens array to acquisition of unit images for an object.And the user interface is designed by the script language in the software,to implement the operation of the camera matrix.After that,we use Java language to program,get the unit image synthesis unit image array.This completes the whole process of using the lens array to collect the unit image array.Secondly,aiming at the problem of too long rendering time due to the excessive number of cameras in the acquisition process,the improved discrete viewpoint collection method is used in this paper.After the improvement of the discrete viewpoint acquisition method,the number of cameras is reduced,the rendering time is greatly reduced,and the quality of the unit image array obtained by inverse mapping is guaranteed.The window interception method can be used to intercept the collected sub-images to meet the display requirements of different lens arrays.Finally,in order to further shorten the rendering time,to meet the next higher resolution display screens' display demand,this paper uses virtual viewpoint synthesis method,the two-dimensional virtual viewpoint synthesis technology based on the original one-dimensional virtual viewpoint synthesis,which not only synthetizing in the horizontal direction,but also synthetizing in the vertical direction and angle of line direction.At the same time,the purpose of using as few cameras as possible is achieved while ensuring the display effect.In the use of display platform for displaying images,unit image array that use different methods to obtain is displayed on the LED,then watching through the lens array,by the visual display effect,show the validity of this method,in which largely reduces the rendering time,but also to ensure a good display effect.
Keywords/Search Tags:Integrated imaging, 3ds MAX, unit image, discrete viewpoint acquisition, virtual view point
PDF Full Text Request
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