Find the gradient magnitude and gradient direction

Assignment Help Basic Computer Science
Reference no: EM1357187

1- Convolve the sub-image shown below with a 3x3 mean filter. What is the  output of the convolution at the center entry of the sub-image? What if you use a 3x3 median filter?

4 1 6 1 3
3 2 7 7 2
2 5 7 3 7
1 4 7 1 3
0 1 6 4 4

2- Consider the sub-image shown above. Find the gradient magnitude and gradient direction at the center entry using the following operators. (Hint: Calculate for just the center pixel not the entire sub-image)

(a) The Prewitt operator, and
(b) The Sobel operator.

3- Compare the time complexity of convolution with a n x n kernel when using:

(a) direct convolution with the 2-D mask, and
(b) a separable kernel.

4- Prove the following properties of the Gaussian function,

(a) Symmetry: G(x) = G(-x)
(b) Product of two Gaussians is a Gaussian: G1(x) xG2(x)= G(x)

5- Generate the mask for 255x ∇2 G(x, y), for σ = 1. Truncate all the mask values to the nearest integer (Hint: 1- Write a program. 2- ∇ 2 is the Laplacian Operator.).

Reference no: EM1357187

Discuss the type of person you consider yourself

Discuss the type of person you consider yourself to be in a team (from team roles), moreover discuss about special situation that you have had come across in a team and how

Becoming change agents and internal consultants

This course explored two of the most significant challenges HR professionals face in the twenty-first-century knowledge organization: functioning as change agents and suppor

Service processor of the storage array

A storage array dials a support center automatically whenever an error is detected. The vendor's representative at the support center can log on to the service processor of

Proper file extension for a powershell script

Directions: After you've completed the reading assignment, respond to the items below using complete sentences. Remember to provide proper APA citation for any resources you

Read and the system call

In the example given in Fig. 1-17, the library procedure is called read and the system call itself is called read. Is it essential that both of these have the same name? If

What specialists are needed to create your game

Create a development plan for the game you described in Exercise 1. What specialists are needed to create your game? What work will each of them need to do? How will your de

What are the typical security classification

What are the typical security classification? Discuss the simple security property and the *-property, and explain the justification behind these rules for enforcing multil

Aggregation of ip addresses

A router has just received the following new IP addresses: 57.6.96.0/21, 57.6.104.0/21, 57.6.112.0/21, and 57.6.120.0/21. If all of them use the same outgoing line, can the

Reviews

Write a Review

 
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