Video Analysis of Water Drop Penetration Time Using Temporal Action Localization for Evaluating Soil Water Repellency

Video Analysis of Water Drop Penetration Time Using Temporal Action Localization for Evaluating Soil Water Repellency

연구 분야: Strategies

학회: International Symposium on Visual Computing

We present a system for the automated measurement of Water Drop Penetration Time (WDPT) that is commonly used for evaluating soil water repellency (SWR). Conventional manual measurements of WDPT are labor-intensive, subjective, tend to produce variability of outcomes, and are not available in remote and difficult-to-reach locations. The developed system performs a standardized WDPT test, estimates WDPT, and evaluates SWR. The entire process from drop landing on the soil surface to its complete absorption is modeled as a temporal action, and consequently, the WDPT estimation is solved using Temporal Action Localization (TAL) models. Two state-of-the-art TAL models are explored and compared: ActionFormer and TriDet. Although TriDet has a lower mean absolute error for fast absorption events, ActionFormer outperforms it by the average AP metric and the accuracy of SWR characterization.