The pellet tracking system is very important to Pellet target test station (PTS) which is being constructed atIMP[1]. We have performed several tests for this system. The pellet being tracked is a small transparent sphere.We have done two kinds of tests to make sure the transparent sphere could be detected by the camera.Firstly, we used a plastic rod (3.43 mm) as a target and took photos for them. Fig. 1 shows that the diameterof the rod estimated on the photos is 3.41 mm, and the error is only 0.6%. This result suggests that the cameracan be detected the target perfectly.
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