User geometrikal

17 votes

Accepted

Image Reconstruction:Phase vs. Magnitude

answered Jun 23, 2014 at 11:32

10 votes

Accepted

How to make a signal conjugate symmetric?

answered May 16, 2013 at 11:54

10 votes

Meaning of Hilbert Transform

answered Sep 16, 2015 at 1:27

7 votes

What Are the Best Algorithms for Document Image Thresholding (Example Inside)?

answered Oct 16, 2012 at 11:04

7 votes

Accepted

difference between Gabor and log-Gabor function

answered Jan 21, 2014 at 2:09

6 votes

Accepted

Can I control per-pixel contrast in an image?

answered May 11, 2013 at 2:41

6 votes

recover image by only magnitude of image fourier transform

answered May 16, 2013 at 5:55

6 votes

Accepted

The Effect of a Kernel on an Image By Filtering

answered May 4, 2013 at 12:16

6 votes

Why do digital filters work?

answered May 30, 2016 at 3:29

5 votes

Spikes in time series

answered Apr 20, 2016 at 0:52

5 votes

Why do we use window in time domain rather than do FFT modify the spectrum and than inverse FFT

answered Apr 29, 2013 at 22:23

5 votes

Accepted

Interpreting the inverse fourier transform from a graph

answered Oct 8, 2012 at 12:14

5 votes

How can I automatically find the boundary of a high intensity region inside an image?

answered Oct 9, 2012 at 13:40

5 votes

Accepted

How can an FFT plot not be symmetrical?

answered Apr 20, 2014 at 7:53

5 votes

Image Gradient - Flipping Effect of the Convolution Matrix (Kernel) for Edge Detection

answered Jun 14, 2013 at 6:31

5 votes

Accepted

What is phase congruency?

answered Apr 19, 2015 at 10:32

5 votes

Accepted

Unexpected results for fourier resampling (Python 3)

answered Sep 6, 2015 at 14:56

4 votes

Accepted

Extracting a Varying DC from a Signal

answered Sep 2, 2015 at 4:53

4 votes

Fitting fixed number of complex exponentials to complex signal

answered Jun 14, 2013 at 11:30

4 votes

Accepted

How moving part pixel intensity values of video frames becomes dominant compared to stationary part intensities in reconstructed frames?

answered May 23, 2014 at 12:59

4 votes

Bag of Tricks for Denoising Signals While Maintaining Sharp Transitions

answered May 20, 2013 at 3:17

4 votes

Keypoint position and scale in SIFT

answered Jun 6, 2013 at 7:07

3 votes

Accepted

Detection periodic elements in image

answered Jun 11, 2013 at 22:44

3 votes

Number of elements of an array

answered May 22, 2013 at 14:06

3 votes

Match Filter in Time-Frequency domain instead of just Time domain. Redundant, or better?

answered Sep 30, 2012 at 13:30

3 votes

Accepted

wavelet analysis normalized to have unit energy

answered Feb 12, 2013 at 13:47

3 votes

How do I start studying Gabor Filters ?

answered Feb 15, 2013 at 0:41

3 votes

How to separate the upwards-propagating from the downwards-propagating waves?

answered Mar 29, 2013 at 9:03

3 votes

Should I consider rgb values of a pixel as one value?

answered Oct 12, 2013 at 13:23

3 votes

Non-cyclic smoothing of a 2D image

answered Jun 20, 2014 at 15:56

Stack Exchange Network

111 Answers

Image Reconstruction:Phase vs. Magnitude

How to make a signal conjugate symmetric?

Meaning of Hilbert Transform

What Are the Best Algorithms for Document Image Thresholding (Example Inside)?

difference between Gabor and log-Gabor function

Can I control per-pixel contrast in an image?

recover image by only magnitude of image fourier transform

The Effect of a Kernel on an Image By Filtering

Why do digital filters work?

Spikes in time series

Why do we use window in time domain rather than do FFT modify the spectrum and than inverse FFT

Interpreting the inverse fourier transform from a graph

How can I automatically find the boundary of a high intensity region inside an image?

How can an FFT plot not be symmetrical?

Image Gradient - Flipping Effect of the Convolution Matrix (Kernel) for Edge Detection

What is phase congruency?

Unexpected results for fourier resampling (Python 3)

Extracting a Varying DC from a Signal

Fitting fixed number of complex exponentials to complex signal

How moving part pixel intensity values of video frames becomes dominant compared to stationary part intensities in reconstructed frames?

Bag of Tricks for Denoising Signals While Maintaining Sharp Transitions

Keypoint position and scale in SIFT

Detection periodic elements in image

Number of elements of an array

Match Filter in Time-Frequency domain instead of just Time domain. Redundant, or better?

wavelet analysis normalized to have unit energy

How do I start studying Gabor Filters ?

How to separate the upwards-propagating from the downwards-propagating waves?

Should I consider rgb values of a pixel as one value?

Non-cyclic smoothing of a 2D image