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Harbin Institute of Technology Shenzhen (HITSZ)

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Selected work

Representative Papers

OccAnyScene: Towards Unified Indoor-Outdoor 3D Occupancy Predictio

Aug 09, 2026

This work addresses the challenge that existing 3D semantic occupancy prediction methods struggle to handle heterogeneous indoor and outdoor scenes within a unified framework. To this end, we introduce the cross-scene 3D semantic occupancy prediction task and propose OccAnyScene, a novel framework built upon a pretrained foundation model. OccAnyScene leverages pixel-aligned frustum feature aggregation and a frustum-parameterized Gaussian decoding mechanism to adaptively reconstruct scenes with varying camera configurations and spatial scales. Our approach is the first to enable a single model to consistently process diverse environments while preserving both metric consistency and scene adaptability. It achieves state-of-the-art performance with mIoU scores of 59.92% on Occ-ScanNet (indoor) and 23.06% on SurroundOcc-nuScenes (outdoor), setting new benchmarks for cross-scene 3D semantic occupancy prediction.

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Recent publications

Latest Papers

OccAnyScene: Towards Unified Indoor-Outdoor 3D Occupancy Predictio

Aug 09, 2026

This work addresses the challenge that existing 3D semantic occupancy prediction methods struggle to handle heterogeneous indoor and outdoor scenes within a unified framework. To this end, we introduce the cross-scene 3D semantic occupancy prediction task and propose OccAnyScene, a novel framework built upon a pretrained foundation model. OccAnyScene leverages pixel-aligned frustum feature aggregation and a frustum-parameterized Gaussian decoding mechanism to adaptively reconstruct scenes with varying camera configurations and spatial scales. Our approach is the first to enable a single model to consistently process diverse environments while preserving both metric consistency and scene adaptability. It achieves state-of-the-art performance with mIoU scores of 59.92% on Occ-ScanNet (indoor) and 23.06% on SurroundOcc-nuScenes (outdoor), setting new benchmarks for cross-scene 3D semantic occupancy prediction.

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