Denso RC5 Especificações descarregar pdf (Página 142)

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5-2

5.1.1.4 Area, Center of Gravity and Major Axis Angle

[ 1 ] Area

The board binarizes image data taken from the camera and counts each pixel

of white (1) and black (0) in the designated range of the window area. The

µVision board counts the area by real-time binarization without changing the

brightness value of each pixel in the window. Therefore, you do not have to

binarize image data beforehand.

Window

1 (Wh) Area=13

0 (Bl) Area=12

Fig. 5-2 Area

[ 2 ] Center of Gravity

Image data taken from the camera displays the object as a plane. The point

where the object weight is balanced on the plane is called the center of gravity.

The µVision board obtains the center of gravity from the pixels of white (1) and

black (0) in the designated range of the window. The center of gravity is

expressed with coordinate values of X and Y.

Window

Center of gravity

Object

Fig. 5-3 Center of Gravity

1 2 ... 137 138 139 140 141 142 143 144 145 146 147 ... 691 692

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