2 code implementations • 11 Apr 2024 • Weisheng Xu, Sifan Zhou, Zhihang Yuan
LiDAR-based 3D single object tracking (3D SOT) is a critical issue in robotics and autonomous driving.
no code implementations • 19 Feb 2024 • Yuxuan Yue, Zhihang Yuan, Haojie Duanmu, Sifan Zhou, Jianlong Wu, Liqiang Nie
Large Language Models (LLMs) face significant deployment challenges due to their substantial memory requirements and the computational demands of auto-regressive text generation process.
1 code implementation • 29 Jan 2024 • Sifan Zhou, Liang Li, Xinyu Zhang, Bo Zhang, Shipeng Bai, Miao Sun, Ziyu Zhao, Xiaobo Lu, Xiangxiang Chu
To our knowledge, for the very first time in lidar-based 3D detection tasks, the PTQ INT8 model's accuracy is almost the same as the FP32 model while enjoying $3\times$ inference speedup.
no code implementations • 2 Dec 2023 • Shuang Xu, Sifan Zhou, Zhi Tian, Jizhou Ma, Qiong Nie, Xiangxiang Chu
Current traditional methods for LiDAR-camera extrinsics estimation depend on offline targets and human efforts, while learning-based approaches resort to iterative refinement for calibration results, posing constraints on their generalization and application in on-board systems.
1 code implementation • 5 Feb 2023 • Sifan Zhou, Zhi Tian, Xiangxiang Chu, Xinyu Zhang, Bo Zhang, Xiaobo Lu, Chengjian Feng, Zequn Jie, Patrick Yin Chiang, Lin Ma
The deployment of 3D detectors strikes one of the major challenges in real-world self-driving scenarios.
1 code implementation • 2 Sep 2022 • Jiayao Shan, Sifan Zhou, Yubo Cui, Zheng Fang
PTT module in the voting stage could model the interactions among point patches, which learns context-dependent features.
1 code implementation • 28 Oct 2021 • Yubo Cui, Zheng Fang, Jiayao Shan, Zuoxu Gu, Sifan Zhou
By using cross-attention, the transformer decoder fuses features and includes more target cues into the current point cloud feature to compute the region attentions, which makes the similarity computing more efficient.
1 code implementation • 14 Aug 2021 • Jiayao Shan, Sifan Zhou, Zheng Fang, Yubo Cui
Our code is open-sourced for the robotics community at https://github. com/shanjiayao/PTT.
no code implementations • 12 Aug 2021 • Zheng Fang, Sifan Zhou, Yubo Cui, Sebastian Scherer
Then, to fuse the information of features in the two branches and obtain their similarity, we propose two cross correlation modules, named Pointcloud-wise and Point-wise respectively.