[Submitted on 17 Sep 2026]
Title:PAANI : On Device Visual Evidence Fusion and Explainable Guidance for River Robot Simulation
View a PDF of the paper titled PAANI : On Device Visual Evidence Fusion and Explainable Guidance for River Robot Simulation, by Savio Cardoz and 1 other authors
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Abstract:Mobile river monitoring robots must interpret obstacles and water boundaries that geographic waypoints alone cannot describe. On resource constrained platforms, converting imperfect visual predictions into timely and inspectable guidance is a distinct challenge. An object label or steering command does not explain which evidence supports a decision or when that evidence is unreliable. We present PAANI, an on-device perception to guidance architecture that combines a project trained YOLO11n detector and a custom MobileNetV3 Small semantic segmenter with timestamp aligned evidence fusion on Arduino UNO Q. Bounded tracking supplies object persistence, while an explicit corridor policy combines surface labels, accepted detections, urgency and mask uncertainty. Each final advisory exposes its contributing evidence and policy reasons. ROS 2 interfaces connect the local AI pipeline to a separate Gazebo vessel, localization and control testbed. Training uses 10,000 WaterScenes images for four-class detection and 1,127 MaSTr1325 images for segmentation, including 198 segmentation validation images. The selected FP32 ONNX models occupy 14.817 MB. Detector checkpoint test mAP at 0.5 IoU is 0.7388, while the separately evaluated rectangular ONNX export achieves validation mAP at 0.5 IoU of 0.7367. Segmentation ONNX validation mIoU is 0.9750. A five-minute UNO Q recording produced median and 95th percentile pipeline latencies of 467.8 ms and 580.3 ms at a configured 0.5 Hz cadence. The evaluation also identifies black input misclassification and a sampling rate mismatch that prevents the diagnostic apparent motion estimator from collecting sufficient evidence. These results support an inspectable and reusable edge robotics foundation while clearly distinguishing model accuracy and on-board execution from validated on-water collision avoidance.
Comments: 20 pages, 8 figures, 11 tables. Includes system and AI architecture diagrams, model-training results, qualitative evaluations, and Arduino UNO Q deployment measurements. Project code, trained models, ONNX artifacts, logs, and reproducibility documentation are available at this https URL
Subjects:
Artificial Intelligence (cs.AI)
Cite as: arXiv:2609.22353 [cs.AI]
(or arXiv:2609.22353v1 [cs.AI] for this version)
https://doi.org/10.48550/arXiv.2609.22353
arXiv-issued DOI via DataCite (pending registration)
Submission history
From: Santhiya Rajan [view email] [v1] Thu, 17 Sep 2026 09:15:50 UTC (771 KB)
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