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Research On3D Reconstruction Method Based On Binocular Stereo Vision Information

Posted on:2014-01-16Degree:MasterType:Thesis
Country:ChinaCandidate:Y CaoFull Text:PDF
GTID:2248330395497717Subject:Control theory and control engineering
Abstract/Summary:PDF Full Text Request
Along with the rapid development of computer technology and informationtechnology, computer vision technology has been getting into People’s Daily life invarious fields. The3D reconstruction based on computer vision technology is animportant developing direction, is a highly virtual reality technology. In this paper, weuse two cameras, according to the principle of binocular stereo vision to imitatehuman vision perception process. By simultaneously shooting the same sceneinformation, using the triangulation principle, obtain the depth information on thescene, thereby reconstructing the3D shape of the scene.According to the encoding strategy, structured light coding strategy can bedivided into time coding, space coding and direct coding. The article using thenon-contact optical method for3D reconstruction, and structure light used the spacecoding.In the feature extraction stage, the first to use two cameras collect design colorcoded structured light image at the same time, based on HIS space do after the Icomponent histogram equalization image enhancement processing, then colorclustering of the enhanced image. Clustering of color structured light stripe colorvalues are the solid color of the color component values. R, G, B component of theimage after clustering layered, Thereafter, superimpose vertical and horizontal stripescenterline and extract feature information of the vertical and horizontal stripescrossing point, using image theory to extract the morphology of structured light stripecenter line.Through to deal with two camera to obtain images respectively, get all the featurepoints of image information, use the DLT method for camera calibration, andobtained the projection matrix of camera. Based on the feature information of images,calculates each image matching feature points of space3D coordinate information.Delaunay triangulation the obtained spatial point cloud data, to reconstruct the targetobject in3D shape.The end of the article focusing on the full text of all the steps involved in theresult, and shows the structures of the test bench, and finally the results ofthree-dimensional reconstruction.
Keywords/Search Tags:Binocular Stereo Vision, Color Structure Light, Stripe Centerlines, Feature Extraction, Three-dimensional Reconstruction
PDF Full Text Request
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