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논문 기본 정보

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(Hanyang University) (Hanyang University) (Hanyang University) (Hanyang University)
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한국자동차공학회 한국자동차공학회 추계학술대회 및 전시회 2025년 한국자동차공학회 추계학술대회 및 전시회
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    초록·키워드

    Bird’s Eye View (BEV) representation is critical for perception in autonomous driving, enabling effective spatial reasoning and understanding of agent interactions. Learning rich BEV features directly is challenging, motivating the use of distillation to guide the encoder’s training. While conventional distillation requires a separate teacher model, self-target BEV distillation model has been proposed to generate targets from the encoder itself using a diffusion process. However, especially in forward projection models, where depth prediction and feature projection introduce reconstruction challenges, the diffusion- generated target features do not correspond to features the encoder can reliably learn. To address this limitation, we propose a view-mask loss that selectively applies the distillation loss to regions the encoder can reliably reconstruct, aligning the training objective with the encoder’s capability. Experiments on 3D object detection demonstrate that our method achieves improved performance compared to standard L2-based loss in self-target BEV distillation method, producing sharper and more effectively distilled BEV representations.

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      UCI(KEPA) : I410-151-26-02-095662092