IMAGE: CallistoA.jpg (rotated 350 degrees) ALGORITHM: Summary of Directional Annulus and JPL algorithms SIZE CUTOFFS: r = 3 to 50 CRATERS RECOGNIZED: 102 (r > 3.5) NUM GOOD DETECTIONS: 44 (r > 3.5) NUM CRATERS MISSED (LARGER THAN CUTOFF, ADDED BY HAND): 50 (94 total, r > 3.5) NUM FALSE POSITIVES: 58 with r > 3.5 NUM REQUIRING TWEAKS: 2 (so far) IMAGE: CallistoA.jpg ALGORITHM: Directional Annulus SIZE CUTOFFS: r = 7 to 50 CRATERS RECOGNIZED: 33 NUM GOOD DETECTIONS: 30 (2 dups, both kept, 30 in final image) NUM CRATERS MISSED (LARGER THAN CUTOFF, ADDED BY HAND): 64 (94 total, r > 7.0) NUM FALSE POSITIVES: 3 (includes one duplicate) NUM REQUIRING TWEAKS: 2 (so far) IMAGE: CallistoA.jpg ALGORITHM: JPL (c>.7, stdev=1) SIZE CUTOFFS: r = 3.0 to 8.5 CRATERS RECOGNIZED: 69 (r > 3.5) NUM GOOD DETECTIONS: 16 (r > 3.5) (2 dups, both removed, 14 in final image) NUM CRATERS MISSED (LARGER THAN CUTOFF, ADDED BY HAND): 78 (94 total, r > 3.5) NUM FALSE POSITIVES: 53 with r > 3.5 (includes one duplicate) NUM REQUIRING TWEAKS: