Added sheffield park point cloud

[HeDo88TH]

As title says!

[u4gbot]

sheffield_park_small

Overall accuracy from 23.63% to 87.62% | building | Accuracy | Recall | Precision | F1 | | -------------------- | -------- | -------- | --------- | -------- | | Before | 51.70% | 70.70% | 65.80% | 0.68 | | After | 54.78% | 55.38% | 98.06% | 0.71 | | Diff | 3.08% | -15.32% | 32.26% | 0.03 | | human_made_object | Accuracy | Recall | Precision | F1 | | -------------------- | -------- | -------- | --------- | -------- | | Before | 1.43% | 1.50% | 21.78% | 0.03 | | After | 0.00% | 0.00% | 0.00% | N/A | | Diff | -1.43% | -1.50% | -21.78% | N/A | | low_vegetation | Accuracy | Recall | Precision | F1 | | -------------------- | -------- | -------- | --------- | -------- | | Before | 18.60% | 99.98% | 18.60% | 0.31 | | After | 58.84% | 99.67% | 58.96% | 0.74 | | Diff | 40.24% | -0.31% | 40.36% | 0.43 | | ground | Accuracy | Recall | Precision | F1 | | -------------------- | -------- | -------- | --------- | -------- | | Before | 0.44% | 0.44% | 86.19% | 0.01 | | After | 89.51% | 90.00% | 99.39% | 0.94 | | Diff | 89.06% | 89.56% | 13.20% | 0.94 |

brighton_beach_small

Overall accuracy from 95.76% to 82.38% | building | Accuracy | Recall | Precision | F1 | | -------------------- | -------- | -------- | --------- | -------- | | Before | 22.14% | 53.03% | 27.53% | 0.36 | | After | 25.25% | 98.97% | 25.32% | 0.40 | | Diff | 3.11% | 45.94% | -2.22% | 0.04 | | human_made_object | Accuracy | Recall | Precision | F1 | | -------------------- | -------- | -------- | --------- | -------- | | Before | 36.89% | 37.05% | 98.85% | 0.54 | | After | 0.00% | 0.00% | N/A | N/A | | Diff | -36.89% | -37.05% | N/A | N/A | | low_vegetation | Accuracy | Recall | Precision | F1 | | -------------------- | -------- | -------- | --------- | -------- | | Before | 23.78% | 29.40% | 55.45% | 0.38 | | After | 16.38% | 98.94% | 16.41% | 0.28 | | Diff | -7.40% | 69.54% | -39.04% | -0.10 | | ground | Accuracy | Recall | Precision | F1 | | -------------------- | -------- | -------- | --------- | -------- | | Before | 96.07% | 98.65% | 97.36% | 0.98 | | After | 82.32% | 82.32% | 100.00% | 0.90 | | Diff | -13.75% | -16.32% | 2.64% | -0.08 |

Average (2 datasets)

Overall accuracy from 59.70% to 85.00%

building	Accuracy	Recall	Precision	F1
Before	36.92%	61.87%	46.67%	0.52
After	40.02%	77.18%	61.69%	0.56
Diff	3.10%	15.31%	15.02%	0.03

human_made_object	Accuracy	Recall	Precision	F1
Before	19.16%	19.28%	60.32%	0.28
After	0.00%	0.00%	0.00%	0.00
Diff	-19.16%	-19.28%	-60.32%	-0.28

low_vegetation	Accuracy	Recall	Precision	F1
Before	21.19%	64.69%	37.02%	0.35
After	37.61%	99.30%	37.68%	0.51
Diff	16.42%	34.62%	0.66%	0.16

ground	Accuracy	Recall	Precision	F1
Before	48.26%	49.54%	91.77%	0.49
After	85.91%	86.16%	99.69%	0.92
Diff	37.66%	36.62%	7.92%	0.43