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32 questions

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24k
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2
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2012-10-06 06:01:55 -0600 Taimoor

Problems with OpenCV DFT function in C++

1k
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2012-12-10 04:44:28 -0600 tobyd

Apply notch filter on image

1k
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2013-12-18 12:02:14 -0600 tobix10

DFT and IDFT of contour, Fourier descriptors

136
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2014-01-17 14:15:28 -0600 pjeltz

time series with inverse dft -?

257
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2014-04-11 05:30:53 -0600 arifkhumaidi

android dft()

612
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2014-05-25 20:15:39 -0600 CommanderDJ

Completely black image after inverse DFT on GPU

295
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2014-10-11 22:30:24 -0600 Agtria

How to get Inverse of DFT log spectrum in android?

1k
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2015-02-27 07:25:43 -0600 theodore flag of Greece

opencv idft output and calculation of phase

324
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2015-03-03 09:48:42 -0600 saba

fourier transform in openCV in java language

441
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2015-09-09 13:27:53 -0600 anatrong0

strategy to build asynchronic subpixel registration analysis

92
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2015-10-26 08:12:26 -0600 saame

DFT coordinate system

324
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2016-02-05 05:29:47 -0600 yingnan

OpenCV split function doesn't work properly

1k
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2016-03-05 16:57:52 -0600 bingoblau

OpenCV dft audio getting spectrogram

2k
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2016-12-01 15:48:52 -0600 siline

fourier descriptor in opencv

187
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2017-04-05 06:09:26 -0600 shiron8bit

64bit dft on cuda

232
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2017-05-31 10:17:33 -0600 raymond

Fast fourier higest three magnitudes

362
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2017-06-30 12:22:36 -0600 ShadowUS

Output of DFT is the same as input

316
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1
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2017-09-20 21:10:19 -0600 big-john

How to deal with multi-channels Array

687
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2018-01-18 05:39:29 -0600 Colin Peeris

Accuracy of OpenCV's DFT (C++ implementation)

343
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2018-05-30 00:53:20 -0600 vaibhav_wimpsta

Why is mean filter not working in frequency domain?

530
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1
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2018-10-13 09:24:55 -0600 t3rb3d

Signal in frequency domain with OpenCV dft

717
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2018-11-07 07:18:33 -0600 winatawelly

Inverse fourier result is black and full of white dots

177
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1
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2019-04-22 13:47:10 -0600 berak

Recovery image with DFT

154
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2019-09-18 04:36:36 -0600 LBerger

discrete_fourier_transform sample error in opencv4.1.1

936
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2020-03-05 20:17:42 -0600 Eyal321

Removing padding after fft

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