2. The computer-implemented method according to claim 1 , wherein determining the processing sequence comprises: identifying, among the text zones, at least one primary text zone, each intersecting the region of interest; and placing the at least one primary text zone at the beginning of the processing sequence and, if more than one primary text zone is identified, ordering said primary text zones according to the respective rank thereof.
2. The computer-implemented method according to claim 1 , wherein determining the processing sequence comprises: identifying, among the text zones, at least one primary text zone, each intersecting the region of interest; and placing the at least one primary text zone at the beginning of the processing sequence and, if more than one primary text zone is identified, ordering said primary text zones according to the respective rank thereof. 3. The computer-implemented method according to claim 2 , wherein determining the processing sequence comprises: identifying, among the text zones, at least one secondary text zone, each being ranked between a highest-ranked and a lowest-ranked of the at least one primary text zone; and placing the at least one secondary text zone immediately after the at least one primary text zone in the processing sequence and, if more than one secondary text zone is identified, ordering said secondary text zones according to the respective rank thereof.