Fig. 4
From: Ubiquitous sensing of marine activities via the cooperation of autonomous underwater vehicles
Recognition of the ship waterlines. (a) Waterline shape for the bulk carrier. (b) Establishment of the ship waterline dataset. (c) Precision-confidence curve for the classification model. (d) Recall-confidence curve for the classification model. (e) Segmentated image. (f–h) The recognized waterline regions of ship at different positions. (i) Recognized ship waterlines.
