Automatic Line Orientation Measurement for Questioned Document Examination

2009 ◽  
pp. 165-173 ◽  
Author(s):  
Joost van Beusekom ◽  
Faisal Shafait ◽  
Thomas Breuel
Keyword(s):  
Line Orientation ◽  
Automatic Line ◽  
Orientation Measurement ◽  
Document Examination

Judgment of Line Orientation

1975 ◽  
Author(s):  
A. L. Benton ◽  
N. R. Varney ◽  
K. deS. Hamsher
Keyword(s):  
Line Orientation

Palmprint Verification Based On Competitive Coding and Robust Line Orientation Coding Schemes

2013 ◽  
Vol 8 (2) ◽  
pp. 26-31
Author(s):  
R. M. J. Priya ◽  
◽  
S Gayathri ◽  
C. Lakshmipriya ◽  
M. Arunkumar ◽  
...  
Keyword(s):  
Line Orientation ◽  
Coding Schemes

Forensic Document Examination

2014 ◽  
Vol 24 ◽  
pp. 67-71
Author(s):  
Vickie L. Willard
Keyword(s):  
Document Examination

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Response dependency and processing dependency of line orientation and position in a single-item task

1995 ◽  
Vol 58 (1) ◽  
pp. 19-30 ◽  
Author(s):  
A. H. C. van der Heijden ◽  
G. Wolters ◽  
R. F. T. Brouwer
Keyword(s):  
Line Orientation ◽  
Single Item

Recrystallization in Ultra-Fine Grain Structures of AA3104 Alloy Processed by ECAP and HPT

2012 ◽  
Vol 715-716 ◽  
pp. 346-353
Author(s):  
H. Paul ◽  
T. Baudin ◽  
K. Kudłacz ◽  
A. Morawiec
Keyword(s):  
High Pressure Torsion ◽  
Deformation Mode ◽  
Second Phase ◽  
Orientation Measurement ◽  
Angular Pressing ◽  
Second Phase Particles ◽  
Average Grain Size ◽  
The Matrix ◽  
Electron Microscopes ◽  
Different Strains

The objective of this study was to determine the effect of deformation mode on recrystallization behavior of severely deformed material. Commercial purity AA3104 aluminum alloy was deformed via high pressure torsion and equal channel angular pressing to different strains and then annealed to obtain the state of partial recrystallization. The microstructure and the crystallographic texture were analysed using scanning and transmission electron microscopes equipped with orientation measurement facilities. The nucleation of new grains was observed in bulk recrystallized samples and during in-situ recrystallization in the transmission microscope. Irrespective of the applied deformation mode, a large non-deformable second phase particles strongly influenced strengthening of the matrix through deformation zones around them. It is known that relatively high stored energy stimulates the nucleation of new grains during the recrystalization. In most of the observed cases, the growth of recrystallized grains occurred by the coalescence of neighboring subcells. This process usually led to nearly homogeneous equiaxed grains of similar size. The diameter of grains in the vicinity of large second phase particles was only occasionally significantly larger than the average grain size. Large grains were most often observed in places far from the particles. TEM orientation mapping from highly deformed zones around particles showed that orientations of new grains were not random and only strictly defined groups of orientations were observed.

Unification of instrumental units in the position of mechanical processing of alloys with directional crystallization of eutecnic structures on multi"stream automatic lines

2020 ◽  
pp. 79-81
Author(s):  
F.G. Amirov
Keyword(s):  
Composite Material ◽  
Eutectic Structure ◽  
Automatic Line ◽  
Directed Crystallization ◽  
Mechanical Processing ◽  
Directional Crystallization ◽  
Keywords Composite

Optimization of machining of parts made of alloys with directed crystallization of eutectic structures by instrumental units on a multi-stream automatic line consisting of one-way automatic machines is proposed. Keywords composite material, eutectic structure, automatic line, tool block, machining. [email protected]

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