**Additional information**

This chapter is a continuation of my PhD thesis, previous works related to the subject of saliency, and the use of the subitizing technique, because it had already been tested by other works, and in this way, the saliency estimation of my previous works was improved.

*Saliency Detection from Subitizing Processing DOI: http://dx.doi.org/10.5772/intechopen.108552*
