Evaluation and representation of two and three dimensional data fields from optical stream measurements
The half automatic evaluation of interferograms is developed. A process for interpolation of interference order function between the edges of interference bands is achieved, which evaluates the intensity in the interferogram to improve the accuracy. Two different processes of quasi three dimensional representation of two dimensional scalar fields are implemented by means of color and a radiation model. For three dimensional scalar fields, a process is developed to obtain the tomographic data of stream fields. To allow an incresing of the image frequency by the representation of three dimensional scalar fields, more speed hardware is necessary, which is possible by a velocity optimization of the algorithm.
Thesis Max-Planck-Inst. fuer Stroemungsforschung
- Pub Date:
- October 1989
- Optical Measurement;
- Three Dimensional Flow;
- Image Processing;