|-------------------------------------------------------------------------------------------------------------------| | REGION |SUB|COMMENTS |ISSUES | |-------------------------------------------------------------------------------------------------------------------| | c9_5539r| 0 |Medium res, many goo|JPL tool piled up 90 craters at 6 pixel diameter. All 429 original JPL craters w| | | |d craters, "crater01|ere classified correctly as 0's, but then the 398 surviving (real) craters were | | | |" region. (PROCESSED|later reclassified to 3's in tobill*v2.reg (probable tool problem). tobill*v3.re| | | |IN 2009 REPORT, AND |g fixed this problem, but it is unclear which version (class 0's or 3's) was use| | | |2010) |d as the base for that file. In v3, 282 class 3 craters remain (out of 392 survi| | | | |ving JPL craters, or 72%) which seems extremely high, but the image does appear | | | | |visually to have more class 3's than 4's so the stats may be reasonable after al| | | | |l. 58 of the 282 final type 3 JPL craters had a minimum size of 6 pixels. JPL c| | | | |raters were quantized into 28 unique bins with poor resolution, 4 bins from 6-7p| | | | |ixels (1.05km-1.225km), 4 bins from 7-8pixels (1.225km-1.4km), etc., so some qua| | | | |ntization effects might be more visible for craters below 10 pixels? Also, the J| | | | |PL tool produces a strange double spike, the first at 6 pixels and the second at| | | | |6.5 (with a lower bin between)... could this be a real feature in the image some| | | | |how? | |c10_2878r| 0 |Medium/high res of A|JPL tool piled up 162 craters at 6 pixel diameter. All 493 original JPL craters | | | |sgard region. (PROCE|were classified correctly as 0's, but then the 463 surviving (real) craters were| | | |SSED IN 2009 REPORT,|later reclassified to 3's in tobill*v1.reg (probable tool problem). tobill*v2.re| | | |AND 2010) |g fixed this problem, but it is unclear which version (class 0's or 3's) was use| | | | |d as the base for that file. In v2, 288 class 3 craters remain (out of 446 survi| | | | |ving JPL craters, or 65%) which seems extremely high (and the image looks like i| | | | |t should have more class 4's than 3's visually). 86 of the 288 final type 3 JPL| | | | |craters had a minimum size of 6 pixels (54 class 4's). JPL craters were quantize| | | | |d into 18 unique bins with poor resolution, 4 bins from 6-7pixels (.564km-.658km| | | | |), 3 bins from 7-8pixels (.658km-.752km), etc. | |c30_5378r| 0 |High res, "HiRes_02"|JPL tool piled up 114 final craters at 6 pixel diameter. All 739 original JPL cr| | | |region. (PROCESSED I|aters (in the whole region) were classified correctly as 0's, but then they were| | | |N 2009 REPORT, AND 2|all reclassified (tool issue?) to 3's in version 1 of the tobill*reg file. Recla| | | |010) Area calculated|ssification happened in version 2, probably starting with the biased version 1 f| | | |by adding sub-region|ile. 516 of the 735 final JPL craters (70%) are class 3's. This seems high, so t| | | |s (71sqkm) and reduc|he image may be biased toward class 3's over class 4's. 80 of the 516 final typ| | | |ing by 25% to accoun|e 3 JPL craters had a minimum size of 6 pixels (33 class 4's). JPL craters were | | | |t for artifacts and |quantized into 42 unique bins with poor resolution, 4 bins from 6-7pixels (.0744| | | |mountains. |km-.0868km), 4 bins from 7-8pixels (.0868km-.0992km), etc. | |c30_5378r| 1 |SUB-REGION NOT USED?|Initially the whole region was marked by the JPL tool, then split into sub-regio| | | |High res, "HiRes_02"|ns. Sub-regions were not used for the report. | | | |region. (PROCESSED I| | | | |N 2009 REPORT, AND 2| | | | |010) | | |c30_5378r| 2 |SUB-REGION NOT USED?|Initially the whole region was marked by the JPL tool, then split into sub-regio| | | |High res, "HiRes_02"|ns. Sub-regions were not used for the report. | | | |region. (PROCESSED I| | | | |N 2009 REPORT, AND 2| | | | |010) | | |c30_5378r| 3 |SUB-REGION NOT USED?|Initially the whole region was marked by the JPL tool, then split into sub-regio| | | |High res, "HiRes_02"|ns. Sub-regions were not used for the report. | | | |region. (PROCESSED I| | | | |N 2009 REPORT, AND 2| | | | |010) | | |c30_5453r| 0 |High res, "HiRes_03"|JPL tool piled up only 7 craters at 6 pixel diameter, so smaller R-plot bin stat| | | |region. (PROCESSED I|s might not be too bad. All 210 original JPL craters were classified correctly a| | | |N 2009 REPORT, AND 2|s 0's, but then all 210 later reclassified to 3's in tobill*v1.reg (probable too| | | |010) Area calculated|l problem). tobill*v2.reg fixed this problem, but it is unclear which version (c| | | |by reducing image ar|lass 0's or 3's) was used as the base for that file. In v2, 129 class 3 craters | | | |ea (71.4358) by 30% |remain (out of 208 surviving JPL craters, or 62%) which seems high, but the imag| | | |to account for mount|e does appear visually to have more class 3's than 4's (it looks very similar to| | | |ains. |c30_5378r with a similar distribution of 3's and 4's) so the stats may be reason| | | | |able after all. 4 of the 208 final type 3 JPL craters had a minimum size of 6 p| | | | |ixels (3 class 4's). JPL craters were quantized into 36 unique bins with poor re| | | | |solution, 4 bins from 6-7pixels (.1km-.117km), 3 bins from 7-8pixels (.117km-.13| | | | |4km), etc., so some quantization effects might be more visible for craters below| | | | |8 pixels? | | | | | | |c30_5253r| 0 |High res, "HiRes_01"| | | | |region. ISIS MAP PRO| | | | |JECTED. Don't use en| | | | |tire image. | | |c30_5253r| 1 |High res, "HiRes_01"|JPL tool piled up 22 craters at 5 pixel diameter (of 143), so no problems at 6 p| | | |region. ISIS MAP PRO|ixels (.0516km). 100 unique quantization bins used (with 80 populated), so no pr| | | |JECTED. PROCESSED FO|oblems there either. | | | |R 2010 REPORT. Combi| | | | |ne sub-region stats | | | | |together. | | |c30_5253r| 2 |High res, "HiRes_01"|JPL tool piled up 9 craters at 5 pixel diameter (of 103), so no problems at 6 pi| | | |region. ISIS MAP PRO|xels (.0516km). 100 unique quantization bins used (with 54 populated), but only | | | |JECTED. PROCESSED FO|2 bins between 6-7 pixels (.0516km-.0602km) and 5 between 7-8 (.0602km-.0688km) | | | |R 2010 REPORT. Combi|so some minor quantizing might be visible at these crater sizes (but is real)?? | | | |ne sub-region stats | | | | |together. | | |-------------------------------------------------------------------------------------------------------------------|