Pre_Lab_06_joshdean_ECE3220_prelab6_Joshua_Dean

Pre_Lab_06_joshdean_ECE3220_prelab6_Joshua_Dean -...

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Joshua Dean ECE 3220 Lab Section 30 Prelab 06 Digital Images: A/D and D/A Damon Conover Due: 2/7/2011 100/100 1.4 Get Test Images (a) Load and display the 326 × 426 “lighthouse” image from lighthouse.mat. Use whos to check the size of ww after loading. EDU>> load('lighthouse.mat') EDU>> whos Figure - Result of command: whos EDU>> colormap(gray(256)) EDU>> mesh(xx); EDU>> figure(gcf); Figure - lighthouse as it appeared from code
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Joshua Dean ECE 3220 Lab Section 30 Prelab 06 Digital Images: A/D and D/A Damon Conover Due: 2/7/2011 Figure - Lighthouse (after rotating) b) Use the colon operator to extract the 200 th row of the “lighthouse” image, and make a plot of that row as a 1-D discrete-time signal.
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Unformatted text preview: EDU>> xx200=xx(200,:); EDU>> plot(xx200,'DisplayName','xx200','YDataSource','xx200');figure(gcf) EDU>> title('1D Representation of 200th Row of Lighthouse Image Joshua Dean') EDU>> xlabel('horizontal image coordinates') EDU>> ylabel('vertical image coordinates') Joshua Dean ECE 3220 Lab Section 30 Prelab 06 Digital Images: A/D and D/A Damon Conover Due: 2/7/2011 Figure - 1-D Discrete time Signal Which values represent white and which ones black? Low (vertical image coordinates) values represent white, while high (vertical image coordinates) values represent black. Can you identify the region where the 200 th row crosses the fence? See Figure 4...
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This note was uploaded on 11/14/2011 for the course ECE 3220 taught by Professor Conover during the Fall '11 term at GWU.

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