A noise free image is given in Fig 4.1, the image in Fig 4.2 represents random n

Question

A noise free image is given in Fig 4.1, the image in Fig 4.2 represents random noise. b. Use a 3x3 median filter to filter the noisy pixels of Fig 4.3. Record the results in Fig AA c. Use 3x3 mean filter to filter the noisy pixels of Fig 4.3. Record the results in FigA.3 d. Find the RMS error between the median filtered image and the original e. Find the RMS error between the mean filtered image and the original Original image matrix 7 5 6 3 2 0 3 2 1 0 Figure 4.1 Noise matrix 0 42 4 0 0 0 5 0 0 010 |0 |0 |0 | Figure 4.2 Figure 4.3 7 4 1 2 0 d- 4 2 4 2 Fiure 4.4 Figure 4.5 d-RMSE e-RMSE

Explanation / Answer

Fig 4.3

Fig 4.4

Fig 4.5

RMSE with median = 1.3600

RMSE with mean = 1.7832

7 4 1 2 0 0 1 6 1 4 7 9 8 7 2 1 4 5 4 2 0 3 2 1 0

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