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3 Image Enhancement 3.4.2空间的相关和卷积 Padded f 0 0 相关和卷积: 0 -Origin f(x,y) 00000 0010 0 二维情况: 00000 w(x.y) 0 000010 0 00100 123 00L-0--00 00000 456000000000 相关: 00000 789000000000 (a) (b) Initial position forw Full correlation result Cropped correlation result 11 23000000 00000000000000 (x,y)☆f(x,y)=(3.4-1) 14 56000000 00000000009870 17_8_9000000 00000000006540 000000000 00098700003210 ,)f+sy+0 00001000000065400000000 000000000000321000 000000000000000000 000000000000000000 卷积: 000000000000000000 (c) (d) (e) Rotated w Full convolution result Cropped convolution result 0 87元000000 00000000000000 (x,y)★f(x,y)=(3.4-2) 5 4000000 00000000001230 21000000 00000000004560 之2,-y-0 0000000000012300007890 0001000000045600000000 000000000000789000 000000000000000000 000000000000000000 图3.30 000000000000000000 (g) (h)3 Image Enhancement 3.4.2空间的相关和卷积  相关和卷积: 二维情况: 图3.30 ( , ) ( , ) (3.4 1) ( , ) ( , ) a b s a t b x y f x y w s t f x s y t         ☆ ( , ) ( , ) (3.4 2) ( , ) ( , ) a b s a t b x y f x y w s t f x s y t         ★ 相关: 卷积:
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