Padding for neighborhood operations Write down the formulas for computing the padded pixel values…

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Padding for neighborhood operations Write down the formulas for computing the padded pixel values ˜f(i, j) as a function of the original pixel values f(k,l) and the image width and height (M,N) for each of the padding modes shown in Figure 3.13. For example, for replication (clamping),

• Describe in more detail the advantages and disadvantages of these various modes.

• (Optional) Check what your graphics card does by drawing a texture-mapped rectangle where the texture coordinates lie beyond the [0.0, 1.0] range and using different texture clamping modes.