CJCU

Chem. J. Chinese Universities ›› 1997, Vol. 18 ›› Issue (11): 1869.

• Articles • Previous Articles     Next Articles

Digital Image Analysis Technique──2DFT and Its Application

ZHANG Jian-Wen1, ZHANG Hong-Dong1, YAN Dong1, CHEN Zhi-Hao1, YANG Yu-Liang1,2   

  1. 1. Department of Macromolecular Science, Laboratory of Macromolecular Engineering, SEDC, Fudan university, Shanghai, 200433;
    2. Institute of Chemistry, Academia Sinica, Beijing, 100080
  • Received:1996-11-25 Online:1997-11-24 Published:1997-11-24

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Abstract: Digital Image Analysis Technique(DIA) has been applied to extract various typesof physical information from an image of high-order structures in polymer systems.UsingDIA, we haye succeeded in obtaining the power spectrum of two-dimensional Fouriertransformation (2DFT) of an image in real space.By settinig up a time-resolved digital imageanalysis system, we managed to study the phase separation dynamics of poly(methylmathacrylate)/poly (vinyl acetate) via 2DFT.Even more, we made it practicable to study theelectronic microscopic picture with the help of a one-dimensional scanner.At the end of thispaper, remarks on getting rich information from DIAwere presented.

Key words: Digital image analysis technique(DIA), Two-dimensional Fourier transformation (2DFT), Phase separation dynamics, Light-scattering

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