Suppose a uniformly colored sphere is illuminated and has shading varying smoothly across its surface, as in Figure 8.27. (a) What would you expect the DCT coefficients for its image to look like? (b) What would be the effect on the DCT coefficients of having a checkerboard of colors on the surface of the sphere? (c) For the uniformly colored sphere again, describe the DCT values for a block that straddles the top edge of the sphere, where it meets the black background. (d) Describe the DCT valu
Suppose a uniformly colored sphere is illuminated and has shading var…
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