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Tarbiat Modares University, Faculty of Electrical & Computer Engineering, Hassan Ghassemian بسم الله الرحمن الرحيم Tarbiat Modares University Faculty of.

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Presentation on theme: "Tarbiat Modares University, Faculty of Electrical & Computer Engineering, Hassan Ghassemian بسم الله الرحمن الرحيم Tarbiat Modares University Faculty of."— Presentation transcript:

1 Tarbiat Modares University, Faculty of Electrical & Computer Engineering, Hassan Ghassemian بسم الله الرحمن الرحيم Tarbiat Modares University Faculty of Electrical & Computer Engineering Digital Image Processing and Analysis Topic 4 Image Enhancement In the Frequency Domain

2 Image Enhancement in the Frequency Domain Tarbiat Modares University, Faculty of Electrical & Computer Engineering, Hassan Ghassemian

3 Digital Image Processing and Analysis, Spring 2004

4 Tarbiat Modares University, Faculty of Electrical & Computer Engineering, Hassan Ghassemian Digital Image Processing and Analysis, Spring 2004

5 Tarbiat Modares University, Faculty of Electrical & Computer Engineering, Hassan Ghassemian Digital Image Processing and Analysis, Spring 2004

6 Tarbiat Modares University, Faculty of Electrical & Computer Engineering, Hassan Ghassemian Digital Image Processing and Analysis, Spring 2004

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8 Tarbiat Modares University, Faculty of Electrical & Computer Engineering, Hassan Ghassemian Digital Image Processing and Analysis, Spring 2004

9 Tarbiat Modares University, Faculty of Electrical & Computer Engineering, Hassan Ghassemian Digital Image Processing and Analysis, Spring 2004

10 Tarbiat Modares University, Faculty of Electrical & Computer Engineering, Hassan Ghassemian Digital Image Processing and Analysis, Spring 2004 Properties of DFT

11 Tarbiat Modares University, Faculty of Electrical & Computer Engineering, Hassan Ghassemian Digital Image Processing and Analysis, Spring 2004 Sampling Property

12 Tarbiat Modares University, Faculty of Electrical & Computer Engineering, Hassan Ghassemian Digital Image Processing and Analysis, Spring 2004 Periodicity of DFT

13 Tarbiat Modares University, Faculty of Electrical & Computer Engineering, Hassan Ghassemian Digital Image Processing and Analysis, Spring 2004

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80 Tarbiat Modares University, Faculty of Electrical & Computer Engineering, Hassan Ghassemian Digital Image Processing and Analysis, Spring 2004 Lowpass Filter Resampling

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