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Table 1 Comparison of computation time between [[20, 21]] and the proposed algorithm (unit: seconds)

From: Visibility enhancement using an image filtering approach

Images (pixels) [20] [21] Proposed
Gray: 300×200 9.37 0.25 0.75
Color: 300×200 8.55 0.70 1.57
Color: 250×400 14.61 1.69 3.02