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Consider a scene with a polygon of intensity P on a background of intensity 0 . The edge of the polygon in continuous space is
Consider a scene with a polygon of intensity on a background of intensity The edge of the polygon in continuous space is described by the equation We will generate a pixel image of this scene where the figure below depicts pixels in the bottom left of the image.
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a Compute the image pixel values that are generated if we sample the continuous data at pixel centers the center of the drawn boxes Explain why this polygon might appear visually undesirable.
b Compute the pixel values using the antialiasing algorithm that averages intensity over each pixel area box filter
c Will this antialiasing scheme used for part b prevent aliasing in the Nyquist sense? Explain.
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