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55 questions
Tagged
dft
×
536
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
788
views
no
answers
no
votes
2020-06-17 07:21:40 -0600
kayman
Find image rotation angle using DFT
dft
rotation
python3
751
views
no
answers
no
votes
2020-03-05 20:17:42 -0600
Eyal321
Removing padding after fft
dft
copencv
FFT
padding
2k
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
304
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
140
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
287
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
81
views
no
answers
no
votes
2019-04-27 05:07:49 -0600
vasilev
spectrum component after DFT [closed]
javacv
opencv
dft
fourier
spectrum
158
views
no
answers
1
vote
2019-04-22 13:47:10 -0600
berak
Recovery image with DFT
java
dft
1k
views
no
answers
6
votes
2019-04-02 04:40:24 -0600
Akhil Patel
How to find rectangle edges from image and crop image from it's edges? [closed]
android
opencv
rectangledetection
c++
dft
drawcontour
203
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
605
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
500
views
no
answers
1
vote
2018-10-13 09:24:55 -0600
t3rb3d
Signal in frequency domain with OpenCV dft
dft
fourier
frequency
587
views
1
answer
no
votes
2018-10-13 01:27:49 -0600
berak
OpenCV Fourier Transform complex output issue
fourier
complex
dft
225
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
323
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
640
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
282
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
351
views
no
answers
no
votes
2017-06-30 12:22:36 -0600
ShadowUS
Output of DFT is the same as input
opencv
dft
problem
373
views
1
answer
no
votes
2017-05-31 11:15:31 -0600
LBerger
dft function
dft
error
packed
201
views
no
answers
no
votes
2017-05-31 10:17:33 -0600
raymond
Fast fourier higest three magnitudes
dft
fourier
166
views
no
answers
no
votes
2017-04-05 06:09:26 -0600
shiron8bit
64bit dft on cuda
dft
382
views
1
answer
1
vote
2017-04-03 09:09:29 -0600
LBerger
Discrete Fourier Transform Questions
dft
fourier
2k
views
no
answers
no
votes
2016-12-01 15:48:52 -0600
siline
fourier descriptor in opencv
dft
opencv
java
android
1k
views
1
answer
1
vote
2016-07-06 19:12:13 -0600
Tetragramm
complex conjugate
opencv
FFT
dft
complex
conjugate
229
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
1k
views
1
answer
1
vote
2016-03-19 14:36:53 -0600
Tetragramm
how to use inverse 1D fft when input is real
dft
937
views
no
answers
no
votes
2016-03-05 16:57:52 -0600
bingoblau
OpenCV dft audio getting spectrogram
fourier
dft
audio
309
views
no
answers
no
votes
2016-02-05 05:29:47 -0600
yingnan
OpenCV split function doesn't work properly
Split
dft
3k
views
1
answer
2
votes
2015-12-24 02:17:36 -0600
LBerger
Meaning of cv::idft() with DFT_REAL_OUTPUT option
dft
FFT
signal
1
2
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