THREE-DIMENSIONAL SHAPE RECOVERY BASED ON SINGLE HISTORICAL IMAGE
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 seminarsense Active In SP Posts: 53 Joined: Nov 2010 16-11-2010, 09:30 PM INTRODUCTION Image Reconstruction As name implies it is the process of reconstructing the three dimensional shape of a single frame image. principle The principle of 3D-reconstruction is that, the object's three dimensions are acquired by the conversion from the shade of gray to the depth of the information of the image.   THREE-DIMENSIONAL SHAPE RECOVERY.pdf (Size: 120.94 KB / Downloads: 58) The basic design concept The object surface shadeof gray can be expressed as E(x,y) = I(x,y)cos Where I(x,y) = Light intensity of the optical source.  = Object surface re ectivity.  = Included angle between optical source and object surface vertical vector The value of cos on the basis of inner product space is cos  = p ppi+qqi+1 p2+q2+1 p p2 i +q2 i +1 The direction of the surface vertical vector of the brightest point of the image is calculated as Ei = I  cos i Emax = I coss Where s = Source tilt angle i = Source tilt angle at point i Suppose any part of the image is sphere The coordinate of any point i on the surface is (xi ; yi ; zi ) Where xi = x0 + r sin i cos(i

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