Remove all brightly colered red, blue, and green objects from the frame. The canvas should be entirely grey and the centroids should be (NaN, NaN). Then, place the red, blue, and green markers in the frame. The centroids should update to the middle of the colored region. This can be confirmed by a white dot located in the middle of the region.

To calibrate, remove all brightly colored red, blue, and green objects from the frame. Calibrate the sliders so no centroids appear (i.e., centroids are (NaN, NaN) and canvas is entirely gray). Then, insert one marker at a time, calibrating the sliders as necessary, making sure only the markers appear in the canvas. If done correctly, the centroids should update to the center of the marker. This can be confirmed by a white dot located in the center of the colored region.

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