图像处理代码共享

Colbie

图像处理代码共享

" c6 i/ A- D) `---------------------------------我是分割线--------------------------------------
9 C( H# M' B* P* Eh=fspecial('average',[3 3])%3*3的均值滤波器
h=fspecial('disk',5)%半径为5的圆形平均模板
5 a* r/ c" [0 G3 mh=fspecial('gaussian',[5 5],0.5)%5*5,标准差为0.5的高斯低通滤波器
h=fspecial('sobel')%加强水平边缘的竖直梯度算子

) c: a: F& \+ s6 L; P- i2 C---------------------------------我是分割线--------------------------------------
" n1 Q6 t7 E0 `, k/ s# A# RI=imread('baby_noise.bmp');
figure,imshow(I);
h3_5=fspecial('gaussian',3,0.5);
, L% w, s" b( xI3_5=imfilter(I,h3_5);
figure,imshow(I3_5);
- v. R: \1 L4 Q$ u* d/ e4 ch3_18=fspecial('gaussian',3,1.8);
I3_18=imfilter(I,h3_18);
3 Q+ |5 C& ^6 Y$ {5 p9 Y/ ?( Qfigure,imshow(I3_18);
h5_8=fspecial('gaussian',5,0.8);
I5_8=imfilter(I,h5_8);
; @- J9 P. z) _: Y1 x" {% x- Z% yfigure,imshow(I5_8);
imwrite(I5_8,'baby5_8.bmp');
h7_12=fspecial('gaussian',7,1.2);
I7_12=imfilter(I,h7_12);
figure,imshow(I7_12);
7 o: Y( B% S2 w  F3 B1 D; Limwrite(I7_12,'baby7_12.bmp');

---------------------------------我是分割线--------------------------------------
f=imread('cameraman.tif');
imshow(f);
6 y3 a1 N/ O% n% x+ @7 h/ z6 q; z5 Yw=[0.1 0.1 0.1;0.1 0.1 0.1;0.1 0.1 0.1]
# a- H( ?0 {# g- h2 G) yw
: m4 J" E2 ?3 |3 D# X# ?g=imfilter(f,w,'corr','replicate');
figure,imshow(g);

---------------------------------我是分割线--------------------------------------

9 W/ p. q( {8 ^6 o# UI=imread('baby_noise.bmp');
figure,imshow(I);
h=fspecial('average',3);
, o) U0 b; Q) r2 EI3=imfilter(I,h,'corr','replicate');
figure,imshow(I3);
h=fspecial('average',5);
I5=imfilter(I,h,'corr','replicate');
8 c- X- a9 M7 c8 |2 V/ Bfigure,imshow(I5);

/ _: K4 |9 T$ F# @" h---------------------------------我是分割线--------------------------------------
%Robert 交叉梯度
! N" n+ K1 o+ U* [' H  u. uI=imread('bacteria.bmp');
  t4 X/ c; d. ^* z; q4 Z( j, Ximshow(I);
w1=[-1 0;0 1];
w2=[0 -1;1 0];
G1=imfilter(I,w1,'corr','replicate');
G2=imfilter(I,w2,'corr','replicate');
G=abs(G1)+abs(G2);
figure,imshow(G,[]);
figure,imshow(abs(G1),[]);
figure,imshow(abs(G2),[]);

---------------------------------我是分割线--------------------------------------
- [. i+ b7 ?0 X5 k: K; R%三种拉普拉斯模板
I=imread('bacteria.bmp');
imshow(I);
I=double(I);
& Q* \  u" B' h: Dw1=[0 -1 0;-1 4 -1;0 -1 0];
L1=imfilter(I,w1,'corr','replicate');
w2=[-1 -1 -1;-1 8 -1;-1 -1 -1];
L2=imfilter(I,w2,'corr','replicate');
! k! r4 E: R0 Vfigure,imshow(abs(L1),[]);
figure,imshow(abs(L2),[]);
w3=[1 4 1;4 -20 4;1 4 1];
& p4 z. m' B" {# q$ [! cL3=imfilter(I,w3,'corr','replicate');
figure,imshow(abs(L3),[]);
3 E5 \) d+ n, s; U
---------------------------------我是分割线--------------------------------------
' ?6 u$ f- |% t/ B1 M
% H+ d) Q( U) y1 C4 ^% n! s  b( {* z%sobel梯度
2 s8 b- C3 k: LI=imread('bacteria.bmp');
: i0 e; u3 R2 w2 p) G1 N2 \: ow1=fspecial('sobel');
w2=w1';
) v' `2 s6 k  p# q. A0 M0 QG1=imfilter(I,w1);
G2=imfilter(I,w2);
G=abs(G1)+abs(G2);
' ]+ h( L" t2 `" a3 |figure,imshow(G1,[]);
: j' w+ R: V/ Lfigure,imshow(G2,[]);
figure,imshow(G,[]);

  _8 V2 m6 U/ b---------------------------------我是分割线--------------------------------------
I=imread('baby.bmp');
figure,imshow(I,[]);
! Z) I) g! `0 p* ~3 H; zId=double(I);
" D6 ]8 _! W% B" A/ s+ \$ sh_lap=[-1 -1 -1;-1 8 -1;-1 -1 -1];
8 Q/ s; C; \( e# c, @* _' ^& p2 mI_lap=imfilter(Id,h_lap,'corr','replicate');
; ]' Z6 j* x/ ~0 S; X5 Afigure,imshow(uint8(abs(I_log)),[]);
; b% i0 r* ~  L1 Y% S! W+ fh_log=fspecial('log',5,0.5);
0 M0 v. n$ |' Q0 n4 H* EI_log=imfilter(Id,h_log,'corr','replicate');
" W7 l0 ^# E5 p% {: H! z) pfigure,imshow(uint8(abs(I_log)),[]);
h_log=fspecial('log',5,2);
I_log=imfilter(Id,h_log,'corr','replicate');
! I; N3 O3 [) ^, Pfigure,imshow(uint8(abs(I_log)),[]);
7 J. ^! Y! d% R" w+ w( r3 }7 G% x

游客，如果您要查看本帖隐藏内容请回复

aplerll

看看都有哪些代码。