IMAGE: ganymede3.jpg ALGORITHM: Summary of Directional Annulus, Hough, and JPL algorithms SIZE CUTOFFS: r = 3 to 50 CRATERS RECOGNIZED: 548 NUM GOOD DETECTIONS: 232 (minus 9 dups = 223 in final .tif) NUM CRATERS MISSED (LARGER THAN CUTOFF, ADDED BY HAND): 285 (508 total) NUM FALSE POSITIVES: 316 (not counting the 9 duplicates) NUM REQUIRING TWEAKS: ??? IMAGE: ganymede3.jpg ALGORITHM: Directional Annulus SIZE CUTOFFS: r = 7 to 50 CRATERS RECOGNIZED: 147 NUM GOOD DETECTIONS: 46 (1 dup removed from final .tif = 45) NUM CRATERS MISSED (LARGER THAN CUTOFF, ADDED BY HAND): 170 (216 total) NUM FALSE POSITIVES: 101 NUM REQUIRING TWEAKS: 2 IMAGE: ganymede3.jpg ALGORITHM: Hough, c>= 0.7 SIZE CUTOFFS: r > 2.88 CRATERS RECOGNIZED: 140 NUM GOOD DETECTIONS: 6 (all were dups, all were removed from final .tif) NUM CRATERS MISSED (LARGER THAN CUTOFF, ADDED BY HAND): 502 (508 total) NUM FALSE POSITIVES: 134 NUM REQUIRING TWEAKS: IMAGE: ganymede3.jpg ALGORITHM: JPL SIZE CUTOFFS: r = 3 to 8.5 CRATERS RECOGNIZED: 261 NUM GOOD DETECTIONS: 180 (2 were dups, both removed from final .tif = 178) NUM CRATERS MISSED (LARGER THAN CUTOFF, ADDED BY HAND): 328 (508 total) NUM FALSE POSITIVES: 81 NUM REQUIRING TWEAKS: