Submitted

Normalized Mean Square Error

Normalized Mean Square Error of an Image

6 months ago | 11 downloads |

Submitted

Evaluating image filtering performance

Quantitative evaluation of filtered images by beta metric, NMSE and NERR.

6 months ago | 2 downloads |

Submitted

Noise Energy Reduction Ratio

Evaluate the rate of noise between two images

6 months ago | 1 downloads |

Question

Computing SNR of complex data

I want to compute SNR of a complex 3D signal of the form: S=|A|exp(jP) were |A| is the magnitude and P is the phase of my...

2 years ago | 0 Answers | 0

Submitted

Geometric Nonlinear Diffusion Filter

An adaptive filter for robust noise removal while edge preservation

3 years ago | 9 downloads |

Submitted

Geometric Nonlinear Diffusion Filter Demo

Demonstration of the GND filter

3 years ago | 8 downloads |

Question

Nonlinear filtering of complex-valued images

I have a complex data 3D volume and I would like to apply a non-linear denoising filter (meaning removing noise while preserving...

3 years ago | 0 Answers | 0

Responded

Re: limit fsolve to converge only to a real solution (not imaginary numbers)

Hello Matt J, Thank you for your detailed explanation. I guess you are beyond my skills in math and your observations are convi...

3 years ago | 7390 views

Responded

Re: limit fsolve to converge only to a real solution (not imaginary numbers)

Thank you Torsten, Still trying your recommendation with lsqnonlin for 8 equations and 4 unknowns but still the weird noisy resu...

3 years ago | 7390 views

Responded

Re: limit fsolve to converge only to a real solution (not imaginary numbers)

Hello Torsten, thanks so much again. I don't want to confuse you, let's consider again the first formulation. I can not accept t...

3 years ago | 7390 views

Responded

Re: limit fsolve to converge only to a real solution (not imaginary

Thank you Nasser, Taking the real part of the solution is not what i need. I need an numerical solver that can be limited to gi...

3 years ago | 7390 views

Responded

Re: limit fsolve to converge only to a real solution (not imaginary numbers)

I also apply this reformulated version the problem trying to not include any imaginary numbers in the set of equations and in fa...

3 years ago | 7390 views

Responded

Re: limit fsolve to converge only to a real solution (not imaginary numbers)

Thank you Matt J, I also try your method but the solutions for x,y,z and r also look weird (like a noisy images since they are 2...

3 years ago | 7390 views

Responded

Re: limit fsolve to converge only to a real solution (not imaginary numbers)

Thank you Torsten, I try your method but the solutions for x,y,z and r look weird (like a noisy images since they are 2D images)...

3 years ago | 7390 views

Posted

limit fsolve to converge only to a real solution (not imaginary numbers)

Hello there, I am trying to solve this system of non-linear eqns. by using "fsolve" but as you may notice this may lead to a com...

3 years ago | 7390 views

Responded

Re: Pratt Figure of merit

I have the same question but acctually I just want to know how can I get the number of IDEAL PIXELS if I only have an observed n...

6 years ago | 7721 views