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32 questions

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26
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2018-11-07 07:18:33 -0500 winatawelly

Inverse fourier result is black and full of white dots

41
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1
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2018-10-13 09:24:55 -0500 t3rb3d

Signal in frequency domain with OpenCV dft

40
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1
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2018-10-13 01:27:49 -0500 berak

OpenCV Fourier Transform complex output issue

36
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2018-05-30 00:53:20 -0500 vaibhav_wimpsta

Why is mean filter not working in frequency domain?

46
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1
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2018-04-09 12:22:52 -0500 kbarni flag of France

Fourier Transforms: Depict an image's variance?

176
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1
answer
1
vote
2018-03-04 14:09:42 -0500 oralb

Complex number matrix in OpenCV (Java)

52
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2017-11-14 05:36:00 -0500 LLSH

Frequency filtering for pattern matching

78
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2017-05-31 10:17:33 -0500 raymond

Fast fourier higest three magnitudes

147
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1
answer
1
vote
2017-04-03 09:09:29 -0500 LBerger

Discrete Fourier Transform Questions

238
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1
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2017-03-09 18:29:39 -0500 Tetragramm flag of United States of America

Fourier Spectrum

204
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1
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2016-06-20 03:44:46 -0500 kbarni flag of France

Detecting frequencies by 1D Fourier Transformation

245
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2016-03-21 20:46:34 -0500 bob409

Use fourier descriptor and chain code as feature extraction

398
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2016-03-05 16:57:52 -0500 bingoblau

OpenCV dft audio getting spectrogram

964
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1
answer
1
vote
2015-10-19 06:06:28 -0500 amahta

Image Transformer (Fourier Transform App for Android)

67
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2015-07-06 09:09:15 -0500 annabro

Changing the FFT limit in match_template.cpp source code

58
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2015-06-29 09:32:25 -0500 jeje20

Find the value of pixel around a circle

154
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2015-06-17 21:59:11 -0500 tkamal

please help regarding cropping a complex matrix

185
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2014-10-11 22:30:24 -0500 Agtria

How to get Inverse of DFT log spectrum in android?

156
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3
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2014-02-28 06:16:23 -0500 obelix

Speeding up Fourier-related transform computations in python

1k
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2013-12-18 12:02:14 -0500 tobix10

DFT and IDFT of contour, Fourier descriptors

83
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2013-09-25 15:17:14 -0500 GiulSDU

Can't compute power of float point

142
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2013-09-24 11:57:03 -0500 GiulSDU

Inverse Fourier gives black figure

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