On the resolution characterization of THz and MMW FPA-based active imaging systems

2021 ◽  
Author(s):  
François Berthiaume ◽  
Alex Paquet ◽  
Michel Doucet ◽  
Frédéric Emond ◽  
Linda Marchese
Keyword(s):  
Imaging Systems ◽  
Active Imaging

GD&T-Based Characterization of Short-Range Non-contact 3D Imaging Systems

2012 ◽  
Vol 102 (1-3) ◽  
pp. 56-72 ◽  
Author(s):  
David MacKinnon ◽  
Benjamin Carrier ◽  
Jean-Angelo Beraldin ◽  
Luc Cournoyer
Keyword(s):  
Short Range ◽  
3D Imaging ◽  
Imaging Systems

THz Active Imaging Systems With Real-Time Capabilities

2011 ◽  
Vol 1 (1) ◽  
pp. 183-200 ◽  
Author(s):  
Fabian Friederich ◽  
Wolff von Spiegel ◽  
Maris Bauer ◽  
Fanzhen Meng ◽  
Mark D. Thomson ◽  
...  
Keyword(s):  
Real Time ◽  
Imaging Systems ◽  
Active Imaging

Laser-based imaging applications in turbid waters

2019 ◽  
Vol 8 (6) ◽  
pp. 461-467
Author(s):  
Thomas Scholz ◽  
Martin Laurenzis ◽  
Frank Christnacher
Keyword(s):  
Laser Scanning ◽  
Autonomous Underwater Vehicles ◽  
Underwater Vehicles ◽  
Imaging Systems ◽  
Underwater Imaging ◽  
The Past ◽  
Turbid Waters ◽  
Active Imaging ◽  
Underwater Laser ◽  
Processing Techniques

Abstract Underwater laser-based imaging systems and data-processing techniques matured during the past decade. Active imaging systems can, nowadays, be integrated into platforms like remote-operated vehicles (ROV) or autonomous underwater vehicles (AUV). This article gives an overview of different civil and naval applications in underwater imaging with respect to underwater laser scanning (ULS) and laser gated viewing (LGV). Special emphasis has to be given to the environmental conditions, for example, the influence of the local and seasonal dependence of the turbidity with regard to the optical underwater channel. On the basis of tank and sea experiments, advanced techniques for 3D laser oblique scanning (LOS) and possibilities of contrast enhancements for gated viewing are presented.

A performance metric for coherent active imaging systems

1992 ◽  
Author(s):  
Philip D. Henshaw ◽  
Norman R. Guivens, Jr.
Keyword(s):  
Imaging Systems ◽  
Performance Metric ◽  
Active Imaging ◽  
A Performance

Characterization of Bulk-Grown Hg1-xcdxTe

1991 ◽  
Vol 49 ◽  
pp. 902-903
Author(s):  
H. Zuo ◽  
R.D. Griffin ◽  
G.M. Janowski ◽  
R.N. Andrews
Keyword(s):  
Infrared Radiation ◽  
Imaging Systems ◽  
Structural Perfection ◽  
Advanced Imaging ◽  
Compositional Homogeneity ◽  
Semiconducting Compounds

The II-VI semiconducting compounds are of particular interest due to the ability to compositionally tune them to detect infrared radiation in the 0.5 to 30 μm range. With the demand for advanced imaging systems, there is an immediate need for bulk II-VI materials with improved compositional homogeneity and structural perfection. The performance of optical semiconductors is very sensitive to the presence of defects such as dislocations, precipitates, and boundaries.

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