
2. Given a 2-level Gaussian pyramid, whose level 0 is a 4 x 4 image shown in Table. 1, calculate level 1 of the Gaussian pyramid. Use bilinear interpolation when subsampling an image; use a 3 x 3 Gaussian kernel (σ 1, μ-0) when blurring an image (pad the image before applying the Gaussian kernel). 10 30 10 50 0101101100 0 10 2000 10 20 50 10 Table 1: Level 0
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