Towards Collaborative Joint Perception and Prediction: Framework, Baseline Evaluation, and Deployment Perspectives

• URL: http://arxiv.org/abs/2608.09541v1
• Date: Mon, 10 Aug 2026 12:39:51 GMT
• Title: Towards Collaborative Joint Perception and Prediction: Framework, Baseline Evaluation, and Deployment Perspectives
• Abstract summary: We present a conceptual framework for Collaborative Joint Perception and Prediction (Co-P&P)<n>Prediction-level fusion leads to a decline in overall system performance compared to detection-level or tracking-level fusion.<n>We implement a minimal end-to-end Co-P&P prototype that couples collaborative point-cloud sharing via the RENO neural with joint detection-forecasting via FutureDet.
• Score: 3.7495803468092603
• License: http://creativecommons.org/publicdomain/zero/1.0/
• Abstract: Connected Autonomous Vehicles (CAVs) increasingly exploit Vehicle-to-Everything (V2X) communication to exchange multi-source sensor information, enabling advanced Collaborative Perception (CP) capabilities. Extending beyond these capabilities, this work focuses on Collaborative Joint Perception and Prediction (Co-P&P), a paradigm that unifies CP with motion prediction to mitigate two persistent challenges: the accumulation of perception errors and visual occlusions. We present a conceptual framework for Collaborative Joint Perception and Prediction (Co-P&P) that improves motion prediction of surrounding road users, thereby enhancing situational awareness in complex and dynamic traffic environments. Building upon our preliminary study, this extended version compares the performance of different fusion strategies and establishes baseline performance for a modular design of perception and prediction. Experimental results show that prediction-level fusion leads to a decline in overall system performance compared to detection-level or tracking-level fusion. We further implement a minimal end-to-end Co-P&P prototype that couples collaborative point-cloud sharing via the RENO neural codec with joint detection-forecasting via FutureDet, showing that collaboration improves forecasting accuracy while neural compression preserves this benefit at roughly 34x lower communication bandwidth.

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