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36 questions
Tagged
fourier
×
6k
views
2
answers
4
votes
2015-03-12 02:48:02 -0600
chengweige
Shape matching using fourier descriptor - Frequency domain
opencv
windows
fourier
shapedetection
364
views
no
answers
3
votes
2014-02-28 06:16:23 -0600
obelix
Speeding up Fourier-related transform computations in python
fourier
STFT
python
1k
views
1
answer
2
votes
2018-05-04 03:00:37 -0600
berak
How to use opencv-contrib-python fourierDescriptor()
fourier
fourierdescriptors
fourierdescriptor
python3
opencv-contrib
1k
views
1
answer
1
vote
2015-10-19 06:06:28 -0600
amahta
Image Transformer (Fourier Transform App for Android)
qt
android
fourier
422
views
1
answer
1
vote
2017-04-03 09:09:29 -0600
LBerger
Discrete Fourier Transform Questions
dft
fourier
946
views
1
answer
1
vote
2018-03-04 14:09:42 -0600
oralb
Complex number matrix in OpenCV (Java)
java
fourier
complex
531
views
no
answers
1
vote
2018-10-13 09:24:55 -0600
t3rb3d
Signal in frequency domain with OpenCV dft
dft
fourier
frequency
658
views
no
answers
1
vote
2019-01-30 15:57:01 -0600
[email protected]
Wiener Filter OpenCV (Java)
Wiener
filter
java
opencv
fourier
274
views
1
answer
no
votes
2013-06-25 20:42:01 -0600
vipul
What data types can I use for a complex OutputArray?
complex
outputarray
dft
fourier
transform
vector
583
views
no
answers
no
votes
2013-05-18 12:39:18 -0600
residentelvio
FourierTransform
fourier
Matlab
264
views
no
answers
no
votes
2013-09-24 11:57:03 -0600
GiulSDU
Inverse Fourier gives black figure
fourier
polarToCart
image-processing
215
views
no
answers
no
votes
2013-09-25 15:17:14 -0600
GiulSDU
Can't compute power of float point [closed]
fourier
pow
Mat
2k
views
no
answers
no
votes
2013-12-18 12:02:14 -0600
tobix10
DFT and IDFT of contour, Fourier descriptors
fourier
dft
descriptor
java
576
views
1
answer
no
votes
2014-02-18 09:07:27 -0600
sujay
feature extraction for OCR: I am going to use Fourier transform,how to implement it using vc++ opencv?
fourier
transform
237
views
no
answers
no
votes
2014-06-12 18:34:49 -0600
Anton Bursch
accounting for over saturation using Filter2D?
filter2D
Discrete
fourier
transform
cross
correlation
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
378
views
no
answers
no
votes
2015-06-17 21:59:11 -0600
tkamal
please help regarding cropping a complex matrix
fourier
transform
Cropping
complex
Matlab
124
views
no
answers
no
votes
2015-06-29 09:32:25 -0600
jeje20
Find the value of pixel around a circle
mesure
circle
fourier
145
views
no
answers
no
votes
2015-07-06 09:09:15 -0600
annabro
Changing the FFT limit in match_template.cpp source code
template
match
FFT
fourier
CUDA
source
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
1k
views
no
answers
no
votes
2016-03-05 16:57:52 -0600
bingoblau
OpenCV dft audio getting spectrogram
fourier
dft
audio
328
views
no
answers
no
votes
2016-03-21 20:46:34 -0600
bob409
Use fourier descriptor and chain code as feature extraction
fourier
Chaincode
c++
opencv
620
views
1
answer
no
votes
2016-06-20 03:44:46 -0600
kbarni
Detecting frequencies by 1D Fourier Transformation
fourier
578
views
1
answer
no
votes
2017-03-09 18:29:39 -0600
Tetragramm
Fourier Spectrum
fourier
frequency
filter
232
views
no
answers
no
votes
2017-05-31 10:17:33 -0600
raymond
Fast fourier higest three magnitudes
dft
fourier
431
views
1
answer
no
votes
2017-08-07 14:29:39 -0600
trine
Determining the pattern orientation of a spatiotemporal image
Spatio-temporal
gradientimage
fourier
hough_transform
781
views
no
answers
no
votes
2017-11-08 17:31:33 -0600
eshirima
Shape Matching using Discrete Fourier Transform
c++
opencv
fourier
fourierdescriptor
shapeMatching
contour
128
views
no
answers
no
votes
2017-11-14 05:36:00 -0600
LLSH
Frequency filtering for pattern matching
fourier
769
views
1
answer
no
votes
2018-01-06 06:19:30 -0600
dursunsefa
Scale and Rotation invariant Fourier Descriptor
fourier
fourierdescriptor
image_processing
309
views
1
answer
no
votes
2018-04-09 12:22:52 -0600
kbarni
Fourier Transforms: Depict an image's variance?
frequency
fourier
1
2
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