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194
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1
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2015-12-07 20:45:33 -0600 Brandon212

computing FFT at a pixel in image with opencv

3k
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2
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2013-04-24 15:45:44 -0600 unxnut flag of United States of America

How to find whether an image is blurry or not using fft ?

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2013-08-10 02:11:19 -0600 hash

edge detection of a signature

166
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2014-02-04 01:21:39 -0600 Around

How can I apply dft to a complex Mat?

119
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2014-09-19 16:28:57 -0600 Iona

Loop performance

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1
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2015-02-07 15:26:44 -0600 theodore flag of Greece

Computing radial average of the autocorrelation of a binary image

145
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2015-07-06 09:09:15 -0600 annabro

Changing the FFT limit in match_template.cpp source code

926
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2015-12-03 10:59:20 -0600 thdrksdfthmn

opencv and FFT

97
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no
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2015-12-08 07:09:44 -0600 rourou11

extract values from planes[0] of FFT application

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1
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2015-12-11 03:57:17 -0600 rourou11

FFT at 3D Mat

688
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2018-01-18 05:39:29 -0600 Colin Peeris

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

672
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2018-01-21 20:59:51 -0600 miner_tom

ARM core Matrix Mult Ops vs DSP core?

452
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1
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2018-06-04 21:48:04 -0600 Tetragramm flag of United States of America

Wiener decovlotuin in cpp giving back the same image

190
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2018-08-08 03:49:01 -0600 balea

How can I get the FFT matrix?

142
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2019-07-17 01:47:42 -0600 kildonggo

I made spectral entropy code , but strange.

740
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2019-10-02 08:58:13 -0600 Czak

Hilbert transform using FFT

939
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2020-03-05 20:17:42 -0600 Eyal321

Removing padding after fft

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no
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2012-10-15 01:32:51 -0600 mrgloom flag of Russia

image registration using fft [closed]

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1
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2013-11-14 09:33:22 -0600 GilLevi flag of Israel

Having difficulty with FFT and IFFT in opencv

1k
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1
answer
1
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2016-07-06 19:12:13 -0600 Tetragramm flag of United States of America

complex conjugate

3k
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1
answer
2
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2015-12-24 02:17:36 -0600 LBerger

Meaning of cv::idft() with DFT_REAL_OUTPUT option

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