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Benjin Zhu

4 accepted papers

2025

ConsistentCity: Semantic Flow-guided Occupancy DiT for Temporally Consistent Driving Scene Synthesis

ICCV 2025poster

Scene synthesis plays a crucial role in autonomous driving by addressing data scarcity and close-loop validation. Current approaches struggle to maintain temporal consistency in synthesized videos while preserving fine-grained details. We introduce ConsistentCity, a two-stage framework with a novel…

Cited by 0SourcePDFScholar
2023

ConQueR: Query Contrast Voxel-DETR for 3D Object Detection

CVPR 2023highlight

Although DETR-based 3D detectors simplify the detection pipeline and achieve direct sparse predictions, their performance still lags behind dense detectors with post-processing for 3D object detection from point clouds. DETRs usually adopt a larger number of queries than GTs (e.g., 300 queries v.s.…

2023

TrajectoryFormer: 3D Object Tracking Transformer with Predictive Trajectory Hypotheses

ICCV 2023poster

3D multi-object tracking (MOT) is vital for many applications including autonomous driving vehicles and service robots. With the commonly used tracking-by-detection paradigm, 3D MOT has made important progress in recent years. However, these methods only use the detection boxes of the current frame…

Cited by 15PDFcodeScholar
2022

MPPNet: Multi-Frame Feature Intertwining with Proxy Points for 3D Temporal Object Detection

ECCV 2022poster

"Accurate and reliable 3D detection is vital for many applications including autonomous driving vehicles and service robots. In this paper, we present a flexible and high-performance 3D detection frame-work, named MPPNet, for 3D temporal object detection with point cloud sequences. We propose a nove…