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A simple method using a single video camera to determine the three-dimensional position of a fish
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In the present paper, we describe a method for recording the coordinates of a fish in an aquarium
in a three-dimensional space, using a single video camera and a mirror. Weuse photogrammetic equations
for this, considering the image obtained in the mirror as a virtual image obtained by a second
camera. Atransformation of the coordinate system is required to express the obtained coordinates
in an x, y, z system defined by the edges of the aquarium. The accuracy of the proposed method was
estimated, and errors in extreme conditions were found to be 0.8% to 1.2 %, compared with the dimensions
of the aquarium used in the test.
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Springer Verlag