MATLABによる画像・映像処理
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MN
C{٥
ӛhã 8ӥåȣ16ӥåȣŤʤFuint8
uint160255(65535)λ
ȸСFdoubleͣ01.0
λ
MATLABˤƤϡΥǩ`MNФ
ƱF롣ФʾMATLABϤԤȤ
ƥǩ`ͤȥǩ`ΥȻͤʤɤ֤äƤ
롣
ФˤΥαF
Ф
>> A=[0 64; 128 255] С
>> B=uint8(A)
8ӥåȷŤʤ
uint8: unsigned integer 8bit
>> C=A/2
С
>> whos
Name Size
A
2x2
B
2x2
C
2x2
xФԤαʾ
Bytes Class
32 double
4 uint8
32 double
Attributes
I
桢
ФDZ줿αʾ
αʾ
>> imshow(A)
file close fig window]
>> imshow(resize(A,200,nearest))
200˒Ʊʾ
doubleͤλϻ0?1ʤ
ʤʤ1Ϥ1ȤƱʾ
>> imshow(resize(B,200,nearest))
B8ӥåȷŤʤʤΤǡC{Ƥ
롣
izߤȱʾ
iz
v imread('ե')
Θ˜ʥե`ޥåȤǤjpgtiffgifbmppngʤɤˌꤷƤ
ꡢեΒӤǩ`ݤһ¤ƤϤmФi߳
롣
Υեi߳
v imfinfo('ե')
?ե ?ե륵 ?οk?
?Bit Depth ?`
αʾ
v imshow()
ޤ imshow('ե')
եؤΕ
v imwrite(, 'ե')
................
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