Image processing of patterns in dielectric barrier discharge system with spatial Fourier transformation

Weili Liu; Lifang Dong; Hongfang Wang; Zengchao Zhao

doi:10.1117/12.791406

5 March 2008 Image processing of patterns in dielectric barrier discharge system with spatial Fourier transformation

Weili Liu, Lifang Dong, Hongfang Wang, Zengchao Zhao

Proceedings Volume 6623, International Symposium on Photoelectronic Detection and Imaging 2007: Image Processing; 66230L (2008) https://doi.org/10.1117/12.791406
Event: International Symposium on Photoelectronic Detection and Imaging: Technology and Applications 2007, 2007, Beijing, China

Abstract

In this paper, we process images of different patterns with a Fast Fourier Transformation (FFT) to investigate the spatial development of patterns in dielectric barrier discharge system. A bifurcation scenario from hexagonal pattern to square pattern is observed under circular boundary as the driving voltage increasing. The spatial characteristics of hexagonal pattern and square pattern are studied by analyzing their related spatial Fourier spectra. In addition, a transition from hexagons to squares and a further development of square pattern with dislocation defect are also researched by analyzing their Fourier spectra.

Citation Download Citation

Weili Liu, Lifang Dong, Hongfang Wang, and Zengchao Zhao "Image processing of patterns in dielectric barrier discharge system with spatial Fourier transformation", Proc. SPIE 6623, International Symposium on Photoelectronic Detection and Imaging 2007: Image Processing, 66230L (5 March 2008); https://doi.org/10.1117/12.791406

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