Suggested def: image annotation is the process of defining metadata to a digital image, e.g. defining regions, marking points, creating textual descriptions, attaching tags to image contents. Can be manual or automatic.
This plugin provides a painter to visualize 2D flows. 2D Flows are couples of two sequences, one for the horizontal displacements, the other for the vertical displacements. This plugin provides a painter that draws flow arrows on top of another sequence.
