10. The computer program product of claim 9 , wherein the resolution context score for the lower resolution version of said image is computed as a weighted average score computed from a plurality of scores for a next higher resolution version of said higher resolution versions of said image.
10. The computer program product of claim 9 , wherein the resolution context score for the lower resolution version of said image is computed as a weighted average score computed from a plurality of scores for a next higher resolution version of said higher resolution versions of said image. 12. The computer program product of claim 10 , wherein said plurality of scores for said next higher resolution version of said image comprise appearance scores, geometric scores and resolution context scores.