Bosch Appliances Home Security System IVMD 1.0 User Manual download pdf (Page 23)

IVMD | Configuration instructions Area settings | en 21

BOSCH Security Systems 1.0 | 2006.04

4.3 Calibration

Calibration is only necessary if you want the speed and size of

detected objects to be interpreted correctly. You do not need

to perform this step if you do not want objects to be filtered on

the basis of these two properties.

In the calibration mode, a virtual horizontal plane is overlaid on

top of the camera image:

The virtual plane appears as a blue grille and can be tilted,

rotated and scaled. Position the virtual plane on the camera

image so that it matches the angle and perspective of one of

the actual horizontal areas.

Two red cubes are shown at opposite corners of the plane.

In the default setting, the side length of one of these cubes is

equivalent to 2 meters, so the cube is about the same height as

a person. The cubes are shown in the perspective of the blue

plane.

You can adjust the position and size of the cubes – so that a

cube corresponds to a car, for example.

A section of a street is a suitable reference area, especially if

the sides of the street are marked.

NOTE!

Display of measurements can be adjusted, so that when using

the English software interface imperial measurements are

shown. You will find additional information in Section 5 Display

of Measurements, page 38.

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Bosch Appliances Home Security System IVMD 1.0 User Manual Page 23