Optimization of a three-dimensional object composite Fourier hologram

1995 ◽  
Vol 20 (7) ◽  
pp. 776
Author(s):  
J. Y. Son ◽  
N. A. Kostrov ◽  
H. W. Jeon ◽  
Y. J. Choi
Keyword(s):  
Three Dimensional ◽  
Dimensional Object ◽  
Fourier Hologram

Reconstruction of Objects from their Projections Using Orthogonal Functions

1973 ◽  
Vol 31 ◽  
pp. 268-269
Author(s):  
Elrnar Zeitler
Keyword(s):  
Unit Area ◽  
Three Dimensional ◽  
One Dimension ◽  
Spatial Density ◽  
Dimensional Representation ◽  
Orthogonal Functions ◽  
Object A ◽  
Plane Normal ◽  
Dimensional Object ◽  
Spatial Density Distribution

Considering any finite three-dimensional object, a “projection” is here defined as a two-dimensional representation of the object's mass per unit area on a plane normal to a given projection axis, here taken as they-axis. Since the object can be seen as being built from parallel, thin slices, the relation between object structure and its projection can be reduced by one dimension. It is assumed that an electron microscope equipped with a tilting stage records the projectionWhere the object has a spatial density distribution p(r,ϕ) within a limiting radius taken to be unity, and the stage is tilted by an angle 9 with respect to the x-axis of the recording plane.

Three-Dimensional Object Co-Localization From Mobile LiDAR Point Clouds

2021 ◽  
Vol 22 (4) ◽  
pp. 1996-2007
Author(s):  
Wenzhong Guo ◽  
Jiawei Chen ◽  
Weipeng Wang ◽  
Huan Luo ◽  
Shiping Wang
Keyword(s):  
Three Dimensional ◽  
Point Clouds ◽  
Dimensional Object
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