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32 questions
Tagged
dft
×
24k
views
no
answers
2
votes
2012-10-06 06:01:55 -0600
Taimoor
Problems with OpenCV DFT function in C++
dft
mosse
316
views
no
answers
1
vote
2017-09-20 21:10:19 -0600
big-john
How to deal with multi-channels Array
multi-channels
filter2D
dft
Convolution
530
views
no
answers
1
vote
2018-10-13 09:24:55 -0600
t3rb3d
Signal in frequency domain with OpenCV dft
dft
fourier
frequency
177
views
no
answers
1
vote
2019-04-22 13:47:10 -0600
berak
Recovery image with DFT
java
dft
1k
views
no
answers
no
votes
2012-12-10 04:44:28 -0600
tobyd
Apply notch filter on image
c++
dft
noch
filter
33k
views
no
answers
no
votes
2013-09-27 23:41:05 -0600
lovepeipeia
Image Registration,met a trouble in transform the dft to log polar
dft
logpolar
image-registration
1k
views
no
answers
no
votes
2013-12-18 12:02:14 -0600
tobix10
DFT and IDFT of contour, Fourier descriptors
fourier
dft
descriptor
java
136
views
no
answers
no
votes
2014-01-17 14:15:28 -0600
pjeltz
time series with inverse dft -?
dft
Mat
257
views
no
answers
no
votes
2014-04-11 05:30:53 -0600
arifkhumaidi
android dft()
android
dft
Core.dft
612
views
no
answers
no
votes
2014-05-25 20:15:39 -0600
CommanderDJ
Completely black image after inverse DFT on GPU
gpu
dft
inverse
mulspectrums
Deconvolution
295
views
no
answers
no
votes
2014-10-11 22:30:24 -0600
Agtria
How to get Inverse of DFT log spectrum in android?
fourier
dft
android
1k
views
no
answers
no
votes
2015-02-27 07:25:43 -0600
theodore
opencv idft output and calculation of phase
phase
inverse
c++
dft
324
views
no
answers
no
votes
2015-03-03 09:48:42 -0600
saba
fourier transform in openCV in java language
dft
1k
views
no
answers
no
votes
2015-06-13 12:39:43 -0600
beniroquai
Easy way to Convert Magnitude/Phase back to Real/Imag for DFT?
phase
Recovery
amplitude
dft
fresnel
complex
441
views
no
answers
no
votes
2015-09-09 13:27:53 -0600
anatrong0
strategy to build asynchronic subpixel registration analysis
CUDA
stream
subpixel
dft
238
views
no
answers
no
votes
2015-10-20 11:12:40 -0600
Brandon212
Would subtracting the phases of two images be a superior difference metric than subtracting the images directly?
FFT
dft
Difference
fourier
92
views
no
answers
no
votes
2015-10-26 08:12:26 -0600
saame
DFT coordinate system
dft
324
views
no
answers
no
votes
2016-02-05 05:29:47 -0600
yingnan
OpenCV split function doesn't work properly
Split
dft
1k
views
no
answers
no
votes
2016-03-05 16:57:52 -0600
bingoblau
OpenCV dft audio getting spectrogram
fourier
dft
audio
2k
views
no
answers
no
votes
2016-12-01 15:48:52 -0600
siline
fourier descriptor in opencv
dft
opencv
java
android
187
views
no
answers
no
votes
2017-04-05 06:09:26 -0600
shiron8bit
64bit dft on cuda
dft
232
views
no
answers
no
votes
2017-05-31 10:17:33 -0600
raymond
Fast fourier higest three magnitudes
dft
fourier
362
views
no
answers
no
votes
2017-06-30 12:22:36 -0600
ShadowUS
Output of DFT is the same as input
opencv
dft
problem
688
views
no
answers
no
votes
2018-01-18 05:39:29 -0600
Colin Peeris
Accuracy of OpenCV's DFT (C++ implementation)
c++
opencv
Matlab
FFT
dft
343
views
no
answers
no
votes
2018-05-30 00:53:20 -0600
vaibhav_wimpsta
Why is mean filter not working in frequency domain?
fourier
cpp
dft
average
720
views
no
answers
no
votes
2018-11-07 07:18:33 -0600
winatawelly
Inverse fourier result is black and full of white dots
javascript
fourier
cvDFT
dft
154
views
no
answers
no
votes
2019-09-18 04:36:36 -0600
LBerger
discrete_fourier_transform sample error in opencv4.1.1
dft
opencv
4.1.1
322
views
no
answers
no
votes
2019-10-02 13:23:29 -0600
Epigram
is there any analog of mulSpectrums function in opencvjs?
opencvjs
dft
mulspectrums
javascript
fourier
FourierTransform
3k
views
no
answers
no
votes
2019-12-28 07:54:19 -0600
berak
Assertion failed (!fixedType() || ((Mat*)obj)->type() == mtype) in cv::_OutputArray::create while Performing DFT
assertion
c++
opencv
dft
939
views
no
answers
no
votes
2020-03-05 20:17:42 -0600
Eyal321
Removing padding after fft
dft
copencv
FFT
padding
1
2
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