2.5, 0.7, 3, 6
3.7, 4.5, 1.9, 3.2
-1.3, 5.2, 7.5, 2.9
Levels:0,1,2,3,4,5
Round down:1.8 -> 1
Limits: <0 -> 0, >5 -> 5
each number always rounding down.
% Load and display an image
img = imread('dolphin.png');
imshow(img);
% Image size:
disp(size(img));
% Image class or data type:
disp(class(img));
hight 320
width 500
class uint8
u -> unsigned
int -> integer
8 -> 8bits
