for each window in image { 
   best_score, probe_set_index = 
     for all probe_sets { 
       hit_count = 
         for each probe in probe_set 
         return(sum(thresh old(probe))) 
       score = hit_count/probe_ set_ size 
     } return(max(score ),probe_set_ind ex 
) } return(array(best_score),array(probe_set_index))

Example 1: Pseudocode for the probing algorithm.