4. The method of claim 3 , wherein determining if said page is inverted or non-inverted further includes: determining if additional lines of text of said page are to be processed; and following determining that no additional lines of text of said page are to be processed, making a decision as to whether said page is inverted or not inverted based on the value of said cumulative difference value.
4. The method of claim 3 , wherein determining if said page is inverted or non-inverted further includes: determining if additional lines of text of said page are to be processed; and following determining that no additional lines of text of said page are to be processed, making a decision as to whether said page is inverted or not inverted based on the value of said cumulative difference value. 6. The method of claim 4 , wherein making a decision as to whether said page is inverted or not inverted based on the value of said cumulative difference value includes, when said cumulative difference value is negative: determining that said page is inverted.