Example Geometry

X

Y

Cartesian: <centerx,centery>

Polar: <ctrRadius,ctrAngle>

Cartesian: <width,height>

Polar: <diagLength,diagAngle>

Goal: Change the representation of bounding box:

Four int pixel values in class A (Cartesian center and size coordinates)

will be replaced by four ghost float values (polar coordinates: length

and angle) for vector to center position and diagonal of b-box).

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