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2/3,1/2,2/5,1/3,2/7,()A.1/6B.2/11C.1/4D.2/9
2/3,1/2,2/5,1/3,2/7,()
A.1/6
B.2/11
C.1/4
D.2/9
2/3,1/2,2/5,1/3,2/7,()
A.1/6
B.2/11
C.1/4
D.2/9
A、2~3,1~2
B、2~3,2~4
C、3~5,2~3
D、3~5,1~2
E、3~5,2~4
f(x,y)=[ f(0,0) f(0,1) f(0,2) f(0,3) f(1,0) f(1,1) f(1,2) f(1,3) f(2,0) f(2,1) f(2,2) f(2,3) f(3,0) f(3,1) f(3,2) f(3,3) ] = [ 1 3 2 4 5 9 6 5 4 3 4 7 10 5 8 5 ] 已知图像块如上图所示,则用3*3均值模板对图像进行平滑时,得到f(2,1)的灰度值是(取整数)
A.2/3,1/2
B.2/3,2/3
C.4/5,1/2
D.4/5,2/3
确定下列各式是不是A={1,2,3,4,5}上的等价关系,如果是等价关系,请写出它的等价类。 (1) {(1,1),(2,2),(3,3),(4,4),(5,5),(1,3),(3,1),(1,5), (5,1), (3,5),(5,3)} (2) {(1,1),(2,2),(3,3),(4,4),(5,5),(1,3),(3,1),(3,4),(4,3)} (3) {(1,1),(2,2),(3,3),(4,4)} (4) {(a,b)|4整除a-b} (5) {(a,b)|a整除2-b}
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