حل واجب T490 (Digital Image Processing
لطلاب الجامعة 0593565933------------------- 00966593565933 حل واجب gr101
حل واجب T490 لطلاب الجامعة 0593565933------------------- 00966593565933
حل واجب T490 لطلاب الجامعة 0593565933------------------- 00966593565933
حل واجب لطلاب الجامعة 0593565933------------------- 00966593565933
حل واجب T490 لطلاب الجامعة 0593565933------------------- 00966593565933
T490 (Digital Image Processing)
Tutor-Marked Assignment, fall 2013
Cut-Off Date: 12, December. 2013, Total Marks: 100
Question 1 (25 marks)………………………………………………………………2
Question 2 (15 marks)………………………………………………………………2
Question 3 (20 marks)………………………………………………………………2
Question 4 (40 marks)………………………………………………………………3
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I hereby declare that this submitted TMA work is a result of my own efforts and I have not plagiarized any other person's work. I have provided all references of information that I have used and quoted in my TMA work.
Name of Student:………………………………..
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Date:……………………………………………………
Part 1: Theoretical Concepts (60 Marks)
Question 1: 25 Marks
A High-definition television (HDTV) generates images with a resolution of 1080 horizontal TV lines interlaced (where every other line is painted on the tube face in each of two fields, each field being 1/60th of a second in duration).
The width-to-height aspect ratio of the images is 15:8. The fact that the horizontal lines are distinct fixes the vertical resolution of the images. A company has designed an image capture system that generates digital images from HDTV images. The resolution of each TV (horizontal) line in their system is in proportion to vertical resolution, with the proportion being the width-to-height ratio of the images.
Each pixel in the color image has 24 bits of intensity resolution, 8 pixels each for a red, a green, and a blue image. These three “primary” images form a color image.
a- How many bits would it take to store a 2-hour HDTV program? (show all your steps in the calculation) (20 marks)
b- What you can deduce from your answer for part a? (5 marks)
Question 2: 15 marks
Explain the effect of the power-law intensity transformations on the input image intensities for the following values of gamma:
(a) Gamma=0.20
(b) Gamma=2.50
Question 3: 20 marks
Consider the images shown below:
Fig. 1 Fig. 2
The image on the right (Fig. 2) was obtained as a result of applying the following operations on the Input image (Fig. 1):
• Multiplying the image on the left by (-1) x+y;
• Computing the DFT;
• Taking the complex conjugate of the transform;
• Computing the inverse DFT;
• Multiplying the real part of the result by (—1) x+y.
Explain (mathematically) why the image on the right appears as it does.
Part 2: Matlab Part (40 Marks): You must submit your matlab code as a .m matlab function well commented. Also you must submit all figures and relevant images as part of your work.
Question 4: 40 Marks
Get the image of car park attached with the TMA and perform the following image processing operations on it:
a) Read the image into MATLAB and plot it. (5 marks)
b) Apply at least one built-in MATLAB function for intensity adjustment and plot the resulting output image. (5 marks)
c) Convert the original car park image into grayscale and plot the output image. (5 marks)
d) Apply histogram equalization to the grayscale car park image and plot the resulting image. (5 marks)
e) Filter the grayscale car park image with the sobel operator and plot the output image.
(5 marks)
f) Filter the grayscale car park image with prewitt operator and plot the output image.
(5 marks)
g) Filter the grayscale car park image with Laplacian operator and plot the output image.
(5 marks)
h) Filter the grayscale car park image with the Laplacian of Gaussian operator and plot the output image. (5 marks)
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حل واجب T490 لطلاب الجامعة 0593565933------------------- 00966593565933
حل واجب T490 لطلاب الجامعة 0593565933------------------- 00966593565933
حل واجب T490 لطلاب الجامعة 0593565933------------------- 00966593565933
حل واجب T490 لطلاب الجامعة 0593565933------------------- 00966593565933
حل واجب T490 لطلاب الجامعة 0593565933------------------- 00966593565933
