... nonplanar surfaces Finally, the selection of proto-objects with a high value of saliency guarantees a higher probability of repeatability than nonsalient ones A detailed explanation of this behavior ... case, the tracker is capable of handling scale changes, object deformations, partial occlusions, and changes of illumination Finally, it can be noted that the focus of attention is directed at ... N Araabi, and M Hamidi, “Online learning of task-driven object-based visual attention control,” Image and Vision Computing, vol 28, no 7, pp 1130– 1145, 2010 [21] R Marfil, A Bandera, A Bandera,...