一、MCvTermCriteria
epsilon Epsilon
max_iter Maximum iteration
type CV_TERMCRIT value
二、MCvScalar
vo The scalar value
v1 The scalar value
v2 The scalar value
v3 The scalar value
三、MCvSlice
end_index End index
start_index Start index
四、MCvBox2
angle The angle between the horizontal axis and the first side (i.e. width) in degrees
center The center of the box
size The size of the box