Decoupled and Interactive Regression Modeling for High-performance One-stage 3D Object Detection

• URL: http://arxiv.org/abs/2409.00690v1
• Date: Sun, 1 Sep 2024 10:47:22 GMT
• Title: Decoupled and Interactive Regression Modeling for High-performance One-stage 3D Object Detection
• Authors: Weiping Xiao, Yiqiang Wu, Chang Liu, Yu Qin, Xiaomao Li, Liming Xin,
• Abstract summary: Inadequate bounding box modeling in regression tasks constrains the performance of one-stage 3D object detection. We propose Decoupled and Interactive Regression Modeling (DIRM) for one-stage detection.
• Score: 8.531052087985097
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Inadequate bounding box modeling in regression tasks constrains the performance of one-stage 3D object detection. Our study reveals that the primary reason lies in two aspects: (1) The limited center-offset prediction seriously impairs the bounding box localization since many highest response positions significantly deviate from object centers. (2) The low-quality sample ignored in regression tasks significantly impacts the bounding box prediction since it produces unreliable quality (IoU) rectification. To tackle these problems, we propose Decoupled and Interactive Regression Modeling (DIRM) for one-stage detection. Specifically, Decoupled Attribute Regression (DAR) is implemented to facilitate long regression range modeling for the center attribute through an adaptive multi-sample assignment strategy that deeply decouples bounding box attributes. On the other hand, to enhance the reliability of IoU predictions for low-quality results, Interactive Quality Prediction (IQP) integrates the classification task, proficient in modeling negative samples, with quality prediction for joint optimization. Extensive experiments on Waymo and ONCE datasets demonstrate that DIRM significantly improves the performance of several state-of-the-art methods with minimal additional inference latency. Notably, DIRM achieves state-of-the-art detection performance on both the Waymo and ONCE datasets.

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