2. The computer-implemented method of claim 1 , wherein the quality comprises a calculated size of a region comprising the common pattern.
2. The computer-implemented method of claim 1 , wherein the quality comprises a calculated size of a region comprising the common pattern. 5. The computer-implemented method of claim 2 , wherein the ranking comprises ranking an image from the query results having a largest calculated region that comprises the common pattern as a highest-ranking image of the query results.