Table 2 Computational performance of the ventilation corridor extraction algorithm on datasets of varying scales.

From: Intelligent extraction of urban ventilation corridors based on region growth algorithm with restricted direction

Dataset scale

Running time (minutes)

Memory consumption (MB)

Small (1000 × 1000 pixels)

0.5

11.5

Medium (5000 × 5000 pixels)

2.46

58.9

Large (10,000 × 10,000 pixels)

5.12

108.3

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