lab1 - EE440 - Introduction to Digital Imaging Systems Lab...

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EE440 - Introduction to Digital Imaging Systems Lab 1 1) Image editing (10 points) a. Capture a digital color image of yourself and enlarge it by a factor of 2.5 in both horizontal and vertical dimensions using an image editing tool. Put the original and enlarged images in your report. b. Adjust 1_1.jpg (e.g. brightness, contrast …) until you find it most pleasant. Put the balanced image in your report. HINT: You can use any software you have or MS Picture Manager under Microsoft Office Tools. 2) MATLAB basics: image I/O and data types. (15 points) a. Load the Lena image 1_4.bmp , using imread(), and show it using imshow(). b. Get the type of the loaded image data (Use MATLAB function class()), and get the maximum and minimum data value for this image (Use MATLAB function max() and min()) c. Convert the data to double type (use MATLAB function double()), show the double-typed image using imshow() d. Is the result from c correct? If not, how do you think you can correct it? HINT:
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This note was uploaded on 07/08/2011 for the course EE 440 taught by Professor Jenq-nenghwang during the Spring '11 term at University of Washington.

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lab1 - EE440 - Introduction to Digital Imaging Systems Lab...

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