Diapositiva PPT

Zi

Y

c

X

c

Z

c

O

c

O

i

(u

0

, v

0

)

P

u

P

Camera

co-ordinate system

image

co-ordinate

system (pixels)

f

P

d

retinal

co-ordinate

system (mm.)

Image plane

Retinal plane

Y

r

X

r

Z

r

Focal point

3D point

Focal distance

Ideal

projection

Observed

projection

Image Centre or

Principal Point

K

Z

w

Y

O

w

World

co-ordinate system

X

w

w

Camera Modelling: Identify the set of parameters which determines the geometry and optical characteristics of an approximated camera.

Camera Calibration: Compute the value of the parameters for a given sensor.

II/TAP · 3D Perception

The camera behaviour?

O

r

Xi

Yi

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