Gaussian derivatives, Electrical Engineering

Assignment Help:

Gaussian derivatives

Generate Gaussian kernels for a given scale "sigma", and display the kernel.

The size of the kernel should be floor(3*sigm)+1;

(i) Write an m-file "gauss.m" which generates Gaussian kernel.

function G=gauss(sigm)
s=floor(3*sigm)+1;
x=[-s:s];
G = exp(-x.^2/(2*sigm^2));
G=G/sum(sum(G));
plot(?);

Why G has to be normalized?

(ii) write an m-file gauss_x.m which generates 1 order derivative of the Gaussian kernel.

function G=gauss_x(sigm)
s=floor(3*sigm)+1;
x=[-s:s];

G=?

(iii)  Write an m-file gauss_xx.m which generates 2 order derivative of the Gaussian kernel.

function G=gauss_xx(sigm)
s=floor(3*sigm)+1;
x=[-s:s];
G=?

Observe Gaussian kernels for different sigma values.
Why the size of the kernel should be  (3*sigm)+1 ?


Related Discussions:- Gaussian derivatives

#title. Armature winding, Why is an armature winding in d.c machine called ...

Why is an armature winding in d.c machine called closed winding.

Features and usage of peripheral component interconnect bus, Discuss featur...

Discuss features and usage of Peripheral Component Interconnect bus. Peripheral Component Interconnect bus has plug as well as play characteristics and the capability to func

Circuit theory, matlab program for verifying maximum power transfer

matlab program for verifying maximum power transfer

Common-collector configuration, Common-collector configuration:  The ...

Common-collector configuration:  The common-collector that is abbreviated CC transistor configuration is displayed in figure.  In this type of configuration, the collector is

What is the minimum sampling rate, Q. The magnitude spectrum of a continuou...

Q. The magnitude spectrum of a continuous  image is as given below.  a) Sketch the frequency response of the sampled spectrum if   ωs =1.5 ωm along x and 3ωm along  y directions

Amperes circuital law, Amperes Circuital Law The    observation    tha...

Amperes Circuital Law The    observation    that    magnetic    field strength varied with distance from the wire led to the following statement: 'If  the  magnetic  field

Expression for the force exerted on the iron plunger, Solenoids find applic...

Solenoids find application in a variety of electrically controlled valves. The magnetic structure shown in Figure is a simplified representation of a solenoid in which the flux in

PSpice Project, I would send the project file so you can take a look at it....

I would send the project file so you can take a look at it.

Explain thermosetting plastic materials, Explain Thermosetting Plastic Ma...

Explain Thermosetting Plastic Materials. Thermosetting Plastic Materials: They undergo huge changes while subjected to high temperatures for rather sometimes. They are call

Calculate the hysteresis loss in joules per cycle, Q. In plotting a hystere...

Q. In plotting a hysteresis loop the following scales are used: 1 cm = 400 At / mand 1 cm=0.3 T. The area of the loop for a certain magnetic material is found to be 6.2 cm 2 . Calc

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd