scholarly journals nD Polyhedral Scene Reconstruction from Single 2D Line Drawing by Local Propagation

2006 ◽  
pp. 169-197 ◽  
Author(s):  
Hongbo Li
Keyword(s):  
Line Drawing ◽  
Scene Reconstruction ◽  
Local Propagation ◽  
Polyhedral Scene

scholarly journals A symbolic approach to polyhedral scene analysis by parametric calotte propagation

Robotica ◽  
2008 ◽  
Vol 26 (4) ◽  
pp. 483-501
Author(s):  
Hongbo Li ◽  
Lina Zhao ◽  
Ying Chen
Keyword(s):  
Symbolic Computation ◽  
Line Drawing ◽  
Algebraic Manipulation ◽  
Scene Analysis ◽  
Cayley Algebra ◽  
2D Data ◽  
Symbolic Approach ◽  
Grassmann Cayley Algebra ◽  
Polyhedral Scene ◽  
Polyhedral Scenes

SUMMARYPolyhedral scene analysis studies whether a 2D line drawing of a 3D polyhedron is realizable in space, and if so, it gives the results of parameterizing the space of all possible realizations. For generic 2D data, symbolic computation with Grassmann–Cayley algebra is needed in the analysis. In this paper, we propose a method called parametric calotte propagation to solve the realization and parameterization problems for general polyhedral scenes at the same time. In algebraic manipulation, parametric propagation is more efficient than elimination. In applications, it can lead to linear construction sequences for nonspherical polyhedra whose resolvable sequences do not exist.

In situ study of electron beam-induced chemical vapor deposition of Au in an environmental TEM

1995 ◽  
Vol 53 ◽  
pp. 256-257
Author(s):  
J. Drucker ◽  
R. Sharma ◽  
J. Kouvetakis ◽  
K.H.J. Weiss
Keyword(s):  
Electron Beam ◽  
Chemical Vapor Deposition ◽  
Vapor Deposition ◽  
Quantum Effect ◽  
Line Drawing ◽  
Chemical Vapor ◽  
Environmental Cell ◽  
Engineering Changes ◽  
Kinetics Of

Patterning of metals is a key element in the fabrication of integrated microelectronics. For circuit repair and engineering changes constructive lithography, writing techniques, based on electron, ion or photon beam-induced decomposition of precursor molecule and its deposition on top of a structure have gained wide acceptance Recently, scanning probe techniques have been used for line drawing and wire growth of W on a silicon substrate for quantum effect devices. The kinetics of electron beam induced W deposition from WF6 gas has been studied by adsorbing the gas on SiO2 surface and measuring the growth in a TEM for various exposure times. Our environmental cell allows us to control not only electron exposure time but also the gas pressure flow and the temperature. We have studied the growth kinetics of Au Chemical vapor deposition (CVD), in situ, at different temperatures with/without the electron beam on highly clean Si surfaces in an environmental cell fitted inside a TEM column.

3D Scene Reconstruction Method in Relative Coordinates with Two Images from Non-Calibrated Video Cameras

2020 ◽  
Vol 25 (3) ◽  
pp. 265-276
Author(s):  
K.M. Shepilova ◽  
◽  
A.V. Sotnikov ◽  
A.V. Shipatov ◽  
Yu.V. Savchenko ◽  
...  
Keyword(s):  
Scene Reconstruction ◽  
Reconstruction Method ◽  
Video Cameras ◽  
Relative Coordinates ◽  
3D Scene ◽  
3D Scene Reconstruction

Distributed Bundle Adjustment in 3D Scene Reconstruction with

2012 ◽  
Vol 38 (9) ◽  
pp. 1428 ◽  
Author(s):  
Xin LIU ◽  
Feng-Mei SUN ◽  
Zhan-Yi HU
Keyword(s):  
Bundle Adjustment ◽  
Scene Reconstruction ◽  
3D Scene ◽  
3D Scene Reconstruction
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