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Fig. 1. Setup for three-dimensional video analysis. For close viewing, two
low-light CCD cameras were positioned to cover (with overlap) the front of the
tank (TF, top front; BF, bottom front), and one CCD camera (CCD=SIDE) and a
video camera with night-vision device (NVD) and infrared barrier filter in
tandem recorded movement and luminescence, respectively, from the side. The
image panel box at the lower right indicates the image partitioning of the
recordings.