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HW2soleces682 - A = 1.75 2 Unsharp masking with a 3x3...

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Drexel University Department of Electrical and Computer Engineering ECES 682, Introduction to Image Processing Spring 2006 Homework 2 Due April 17, 2006 All problems are from Gonzalez and Woods, Digital Image Processing , second edition Note: Please submit your results in hard copy (not electronically). 1. 2.5 2. 2.11 3. 2.16,
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2.17 4. 3.7
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5. 3.10
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6. 3.17
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7. 3.23
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8. 3.25. 9. Use the Porsche image from last weeks assignment. Perform the following operations: 1. Smoothing with a 3x3 linear filter 2. Median filtering with a 3x3 support set Print the original and the output images, and comment about the effect of the filters. 10. With the same image, perform the following operations: 1. Unsharp masking with a 3x3 linear filter,
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Unformatted text preview: A = 1.75. 2. Unsharp masking with a 3x3 median filter, ± = 1.75. Print the original and the output images, and comment about the effect of the filters. The images are shown below. There is very little difference between the two unsharp images. The contrast in the unsharp images is less than that in the original image, but this is becuase of the A= 1.75 filter. Below are also the median and low-pass images, and there is very little difference between them (each other) and between either and the original, though the linear low pass image is slightly more blurry. Original Linear smoothing 3x3 median filter Linear filter unsharp masking Median filter unsharp masking...
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