OTSU算法代码：
IimreadthgraythreshIJim2bwIthsubplot121imshowIsubplot122imshowJ
Ber
se
算法代码：
clcclearallcloseallIimreadm
sizeII_graydoubleITzerosm
M3N3foriM1mMforjN1
N
max1mi
255forkiMiMforljNjN
ifI_grayklmaxmaxI_graykl
e
difI_grayklmi
mi
I_graykle
de
de
dTijmaxmi
2e
de
dI_bwzerosm
1
ffori1mforj1
ifI_grayijTijI_bwij255elseI_bwij0
e
de
de
dsubplot121imshowIsubplot122imshowI_bw
改进的Ber
se
算法代码：
clcclearallcloseallIimreadI_graydoubleIm
sizeIa03A0T10S0fori1m
forj1
AAI_grayije
de
dAA09whileSAT1T11fori1m
forj1
ifI_grayijT1SSI_grayije
d
e
de
de
dT2zerosm
T3zerosm
M3N3
2
fforiM1mMforjN1
N
max1mi
255forkiMiMforljNjN
ifI_grayklmaxmaxI_graykl
e
difI_grayklmi
mi
I_graykle
de
de
dT2ijmaxmi
2T3ijmaxmi
e
de
dT4medfilt2T2MNT5T1T42I_bwzerosm
fori1mforj1
ifI_grayij1aT1I_bwij255e
difI_grayij1aT1
I_bwij0e
dif1aT1I_grayij1aT1
ifT3ijaT1ifI_grayijT4ijI_bwij255elseI_bwij0e
d
elseifI_grayijT5ijI_bwij255
elseI_bwij0
e
d
3
fe
de
de
de
dsubplot121imshowIsubplot122imshowI_bw
4
fr