函数输出=模糊(img, w)
img =双(img);
d = w * 2 + 1
s =大小(img)
输出= []
为r = 1: d: (1)
行= [];
为c = 1: d: s (2)
如果r + w < = s (1) & & c + w < = s (2) & & r w > = 1 & &北京市> = 1
合计=总和(总和(img ((r w): (r + w),(北京市):(c + w))));
val =合计/ (d * d);
nxt = 1 (d, d);
nxt(1: 1:末端)= val;
行=[行nxt];
elseifc + w < = s (2) & & r w > = 1 & &北京市> = 1
合计=总和(总和(img ((r w):最终,(北京市):(c + w))));
val =合计/ (d * (s (1) - r + w));
nxt = ((s (1) - r + w), d);
nxt(1: 1:末端)= val;
行=[行nxt];
elseifr + w < = s (1) & & r w > = 1 & &北京市> = 1
合计=总和(总和(img ((r w): (r + w),(北京市):结束)));
val =合计/ (d * (s (2) - c + w));
nxt = 1 (d (s (2) - c + w));
nxt(1: 1:末端)= val;
行=[行nxt];
elseifr + w < = s (1) & & c + w < = s (2) & & r w > = 1
合计=总和(总和(img ((r w): (r + w), 1: (c + w))));
val =合计/ (d * (c + w));
nxt = 1 (d (c + w));
nxt(1: 1:末端)= val;
行=[行nxt];
elseifr + w < = s (1) & & c + w < = s(2) & &北京市> = 1
合计=总和(总和(img (1: (r + w),(北京市):(c + w))));
val =合计/ (d * (r + w));
nxt的= ((r + w), d);
nxt(1: 1:末端)= val;
行=[行nxt];
elseifr + w < = s (1) & & c + w < = s (2)
合计=总和(总和(img (1: (r + w), 1: (c + w))));
val =合计/ ((r + w) * (c + w));
nxt = ((c + w), (r + w));
nxt(1: 1:末端)= val;
行=[行nxt];
elseifr w > = 1 & &北京市> = 1
合计=总和(总和(img ((r w):最终,(北京市):结束)));
val =合计/ ((s (1) - r + w) * (s (2) - c + w));
nxt = ((s (1) - r + w), (s (2) - c + w));
nxt(1: 1:末端)= val;
行=[行nxt];
elseifr + w < = s(1) & &北京市> = 1
合计=总和(总和(img (1: (r + w),(北京市):结束)));
val =合计/ ((r + w) * (s (2) - c + w));
nxt = ((r + w), (s (2) - c + w));
nxt(1: 1:末端)= val;
行=[行nxt];
elseifc + w < = s (2) & & r w > = 1
合计=总和(总和(img ((r w):最终,1:(c + w))));
val =合计/ ((s (1) - r + w) * (c + w));
nxt = ((s (1) - r + w), (c + w));
nxt(1: 1:末端)= val;
行=[行nxt];
结束
结束
输出=(输出;行);
结束
行= []
s2 =大小(输出)
如果s2 (1) < s (1)
为c = 1: d: s (2)
如果c + w < = s(2) & &北京市> = 1
合计=总和(总和(img ((s2(1) + 1):(1),(北京市):(c + w))));
val =合计/ ((s (1) s2 (1)) * d);
nxt = ((s (1) s2 (1)), d);
nxt(1: 1:末端)= val;
行=[行nxt];
elseifc + w < = s (2)
合计=总和(总和(img ((s2 (1) + 1): (1), 1: (c + w))));
val =合计/ ((s (1) s2 (1)) * (c + w));
nxt = ((s (1) s2 (1)), (c + w));
nxt(1: 1:末端)= val;
行=[行nxt];
elseif北京市> = 1
合计=总和(总和(img ((s2(1) + 1):(1),(北京市):结束)));
val =合计/ ((s (1) s2 (1)) * (s2 (2) - c + w));
nxt = ((s (1) s2 (1)), (s2 (2) - c + w));
nxt(1: 1:末端)= val;
行=[行nxt];
结束
结束
输出=(输出;行);
结束
行= []
坳= []
s3 =大小(输出)
如果s3 (2) < s (2)
为r = 1: d: (1)
如果r + w < = s (1) & & r w > = 1
合计=总和(总和(img ((r w): (r + w), (s3 (2) + 1): s (2))));
val =合计/ (d * (s (2) s3 (2)));
nxt = 1 (d (s (2) s3 (2)));
nxt(1: 1:末端)= val;
坳= (col; nxt);
elseifr + w < = s (1)
合计=总和(总和(img (1: (r + w), (s3 (2) + 1): s (2))));
val =合计/ ((r + w) * (s (2) s3 (2)));
nxt = ((r + w), (s (2) s3 (2)));
nxt(1: 1:末端)= val;
坳= (col; nxt);
elseifr w > = 1
合计=总和(总和(img ((r w): (r + w), (s3 (2) + 1): s (2))));
val =合计/ ((s3 (1) - r + w) * (s (2) s3 (2)));
nxt = ((s3 (1) - r + w) (s (2) s3 (2)));
nxt(1: 1:末端)= val;
坳= (col; nxt);
结束
结束
s4 =大小(col)
如果s4 (1) < s3 (1) | | s4 (1) < s (1)
合计=总和(总和(img ((s2 (1) + 1): (1), (2) + 1 (s3): s (2))));
val =合计/ ((s (1) s2 (1)) * (s (2) s3 (2)));
nxt = ((s (1) s2 (1)), (s (2) s3 (2)));
nxt(1: 1:末端)= val;
坳= (col; nxt);
结束
输出=[输出]上校;
结束
= uint8输出(输出);