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48 questions

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20
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2019-04-27 05:07:49 -0500 vasilev

spectrum component after DFT [closed]

38
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2019-04-22 13:47:10 -0500 berak

Recovery image with DFT

70
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2018-11-07 07:18:33 -0500 winatawelly

Inverse fourier result is black and full of white dots

77
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2018-10-13 09:24:55 -0500 t3rb3d

Signal in frequency domain with OpenCV dft

108
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2018-10-13 01:27:49 -0500 berak

OpenCV Fourier Transform complex output issue

77
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2018-09-27 13:14:20 -0500 speedymcs

Can cv::dft() be sped up with the right compiler flags?

79
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2018-05-30 00:53:20 -0500 vaibhav_wimpsta

Why is mean filter not working in frequency domain?

78
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2019-08-15 00:30:48 -0500 masahiro.dll

Speed up DFT by specifying ROI in frequency domain [closed]

199
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2018-01-18 05:39:29 -0500 Colin Peeris

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

61
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2017-09-20 21:10:19 -0500 big-john

How to deal with multi-channels Array

178
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2017-06-30 12:22:36 -0500 ShadowUS

Output of DFT is the same as input

87
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2017-05-31 10:17:33 -0500 raymond

Fast fourier higest three magnitudes

169
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1
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2017-05-31 11:15:31 -0500 LBerger

dft function

99
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2017-04-05 06:09:26 -0500 shiron8bit

64bit dft on cuda

167
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1
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2017-04-03 09:09:29 -0500 LBerger

Discrete Fourier Transform Questions

621
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2016-12-01 15:48:52 -0500 siline

fourier descriptor in opencv

537
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1
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1
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2016-07-06 19:12:13 -0500 Tetragramm flag of United States of America

complex conjugate

141
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2016-03-24 16:25:48 -0500 ebroglio

Replace dft in seamless cloning with directx fft

612
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1
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1
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2016-03-19 14:36:53 -0500 Tetragramm flag of United States of America

how to use inverse 1D fft when input is real

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

OpenCV dft audio getting spectrogram

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2016-02-05 05:29:47 -0500 yingnan

OpenCV split function doesn't work properly

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

Meaning of cv::idft() with DFT_REAL_OUTPUT option

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2015-11-09 16:42:57 -0500 beniroquai

Android OpenCL DFT vs. CPP Version is very slow!

65
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2015-10-26 08:12:26 -0500 saame

DFT coordinate system

89
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2015-09-27 14:55:30 -0500 215

imshow a mat<vec2f>

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2015-09-09 13:27:53 -0500 anatrong0

strategy to build asynchronic subpixel registration analysis

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2
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2015-09-09 13:48:57 -0500 anatrong0

cross-correlation of 2 same sized images

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