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55 questions
Tagged
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
1k
views
no
answers
no
votes
2015-11-09 16:42:57 -0600
beniroquai
Android OpenCL DFT vs. CPP Version is very slow! [closed]
gpu
opencl
Opencv3.0
android
dft
ocl
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
244
views
no
answers
no
votes
2016-03-24 16:25:48 -0600
ebroglio
Replace dft in seamless cloning with directx fft [closed]
seamless
cloning
directx
FFT
dft
poisson
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
406
views
1
answer
no
votes
2017-05-31 11:15:31 -0600
LBerger
dft function
dft
error
packed
232
views
no
answers
no
votes
2017-05-31 10:17:33 -0600
raymond
Fast fourier higest three magnitudes
dft
fourier
363
views
no
answers
no
votes
2017-06-30 12:22:36 -0600
ShadowUS
Output of DFT is the same as input
opencv
dft
problem
690
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
333
views
no
answers
no
votes
2019-08-15 00:30:48 -0600
masahiro.dll
Speed up DFT by specifying ROI in frequency domain [closed]
c++
dft
acceleration
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
254
views
1
answer
no
votes
2018-09-27 13:14:20 -0600
speedymcs
Can cv::dft() be sped up with the right compiler flags?
dft
speed
compiling
665
views
1
answer
no
votes
2018-10-13 01:27:49 -0600
berak
OpenCV Fourier Transform complex output issue
fourier
complex
dft
723
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
216
views
1
answer
no
votes
2018-12-06 12:46:20 -0600
berak
Runtime Error in imshow using the DFT example in Opencv 4.0
dft
imread
Runtime-error
runtime_error
example
90
views
no
answers
no
votes
2019-04-27 05:07:49 -0600
vasilev
spectrum component after DFT [closed]
javacv
opencv
dft
fourier
spectrum
155
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
323
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
949
views
no
answers
no
votes
2020-03-05 20:17:42 -0600
Eyal321
Removing padding after fft
dft
copencv
FFT
padding
1k
views
no
answers
no
votes
2020-06-17 07:21:40 -0600
kayman
Find image rotation angle using DFT
dft
rotation
python3
669
views
no
answers
no
votes
2020-07-29 00:36:08 -0600
jianyn
The result obtained by cuda::dft is different from cv::dft
dft
CUDA
gpu
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