WEEK3-CH02

1.pixval (display of gray values of the pixels in the image)
c*p=r
c=column value
p=row value
column value和row value分別是指什麼 ? P.22
2.>>figure,imshow{'emu.tif'},pixval on
>>em=imread('emu.tif');
figure,imshow{'em'},pixval on
有差別 !? P25.
3.a(100,200,1:3) 1:3是什麼意思? P24.