Photoelastic analysis of a three-dimensional specimen by optical slicing and digital image processing

1997 ◽  
Vol 37 (4) ◽  
pp. 393-397 ◽  
Author(s):  
J. C. Dupré ◽  
A. Lagarde
Keyword(s):  
Image Processing ◽  
Digital Image Processing ◽  
Digital Image ◽  
Three Dimensional ◽  
Photoelastic Analysis

Three-dimensional examination of bone structure around hydroxyapatite implants using digital image processing

1997 ◽  
Vol 34 (2) ◽  
pp. 177-182 ◽  
Author(s):  
Rudi Wigianto ◽  
Tetsuo Ichikawa ◽  
Hideo Kanitani ◽  
Masanobu Horiuchi ◽  
Naoyuki Matsumoto ◽  
...  
Keyword(s):  
Image Processing ◽  
Digital Image Processing ◽  
Digital Image ◽  
Bone Structure ◽  
Three Dimensional

Phase-shifting methodologies in photoelastic analysis—the application of Jones calculus

1996 ◽  
Vol 31 (6) ◽  
pp. 423-432 ◽  
Author(s):  
K Ramesh ◽  
V Ganapathy
Keyword(s):  
Image Processing ◽  
Stress Concentration ◽  
Data Collection ◽  
Comparative Study ◽  
Digital Image Processing ◽  
Digital Image ◽  
Phase Shifting ◽  
Intensity Data ◽  
New Approach ◽  
Photoelastic Analysis

The potential of digital image processing hardware to record intensity data at video rates has resulted in a new approach for data collection. Efforts were aimed at evaluating isochromatic and isoclinic fringe orders quantitatively by processing the intensity data recorded. These methodologies have come to be known as phase-shifting techniques. The various phase-shifting algorithms in photoelasticity are surveyed and a comparative study is done. The use of Jones calculus to understand these methodologies is brought out. An attempt has been made to identify the reason for loss of accuracy in evaluating the field parameters in stress concentration zones.

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