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

Traffic light display, Traffic Light Display Design a three color LED sy...

Traffic Light Display Design a three color LED system with the following times for each LED: Duration of Green signal : 16s Duration of Yellow signal : 1s Duration of R

Voltage doubler, Voltage Doubler: The network of Fig. is a half wave v...

Voltage Doubler: The network of Fig. is a half wave voltage doublers. During the positive voltage half cycle across the transformer, secondary diode D 1 conducts, charging ca

Edc, transistor biasing stabilization problems

transistor biasing stabilization problems

What is an opcode, What is an Opcode? The part of the instruction that ...

What is an Opcode? The part of the instruction that specifies the operation to be performed is known as the operation code or opcode

Digital control system, block diagram of digital control system and explain...

block diagram of digital control system and explain each block

Explain classification of amplifiers on biasing conditions, Q. Explain the ...

Q. Explain the classification of amplifiers on the biasing conditions? Based on the amount of transistor bias and amplitude of the input signal, amplifiers can be classified as

Types of classification and coding systems, Illustrate the types of classif...

Illustrate the types of classification and coding systems? Briefly explain Production Flow Analysis? Discuss the basic concept of Composite part and different kinds of cell desi

Give a general account of common drain amplifier, Q. Give a general account...

Q. Give a general account of common drain amplifier? The output is taken over the source terminal and when the dc supply is replaced by its short circuit equivalent, the drain

What is the voltage gain, Q. What is the voltage gain? voltage gain is ...

Q. What is the voltage gain? voltage gain is the ratio of output voltage to input voltage. It is represented as Av,vo-voltage output,Vi-voltage input,Ic-collector current,Ie

Illustrate bcd-to-decimal decoding, Q. Illustrate BCD-to-decimal decoding w...

Q. Illustrate BCD-to-decimal decoding with a 4-to- 16 decoder, and draw the corresponding truth table.

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