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29 questions

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68
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2020-03-05 20:17:42 -0500 Eyal321

Removing padding after fft

174
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2019-10-02 08:58:13 -0500 Czak

Hilbert transform using FFT

62
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2019-07-17 01:47:42 -0500 kildonggo

I made spectral entropy code , but strange.

190
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2019-06-06 19:54:49 -0500 hua

How to make fft convolution in OpenCV?

55
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-1
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2019-06-06 10:02:05 -0500 hua

How to make fft convolution in OpenCV?

42
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2018-08-08 03:49:01 -0500 balea

How can I get the FFT matrix?

195
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1
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2018-06-04 21:48:04 -0500 Tetragramm flag of United States of America

Wiener decovlotuin in cpp giving back the same image

503
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2018-01-21 20:59:51 -0500 miner_tom

ARM core Matrix Mult Ops vs DSP core?

319
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2018-01-18 05:39:29 -0500 Colin Peeris

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

637
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1
answer
1
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2016-07-06 19:12:13 -0500 Tetragramm flag of United States of America

complex conjugate

171
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2016-03-24 16:25:48 -0500 ebroglio

Replace dft in seamless cloning with directx fft

2k
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1
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2
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2015-12-24 02:17:36 -0500 LBerger

Meaning of cv::idft() with DFT_REAL_OUTPUT option

877
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1
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2015-12-11 03:57:17 -0500 rourou11

FFT at 3D Mat

63
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2015-12-08 07:09:44 -0500 rourou11

extract values from planes[0] of FFT application

98
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1
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-2
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2015-12-07 20:45:33 -0500 Brandon212

computing FFT at a pixel in image with opencv

568
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2015-12-03 10:59:20 -0500 thdrksdfthmn

opencv and FFT

83
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2015-07-06 09:09:15 -0500 annabro

Changing the FFT limit in match_template.cpp source code

1k
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1
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2015-02-07 15:26:44 -0500 theodore flag of Greece

Computing radial average of the autocorrelation of a binary image

72
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2014-09-19 16:28:57 -0500 Iona

Loop performance

116
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2014-02-04 01:21:39 -0500 Around

How can I apply dft to a complex Mat?

1k
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1
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2013-11-14 09:33:22 -0500 GilLevi flag of Israel

Having difficulty with FFT and IFFT in opencv

3k
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3
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2013-08-10 02:11:19 -0500 hash

edge detection of a signature

3k
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2
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no
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2013-04-24 15:45:44 -0500 unxnut flag of United States of America

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

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1
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2012-10-15 01:32:51 -0500 mrgloom flag of Russia

image registration using fft

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LBerger gravatar imagetheodore gravatar imageMostafa Sataki gravatar imagemrgloom gravatar imagekbarni gravatar imagehash gravatar imageAround gravatar imageGilLevi gravatar imageAbhay Singh gravatar imagetuannhtn gravatar imagezerog80 gravatar imagerajib86 gravatar imageunxnut gravatar imageIona gravatar imageTetragramm gravatar imageMichael Burdinov gravatar image