Search Results for author: Jiachen Lu

Found 15 papers, 12 papers with code

Translating Images to Road Network:A Non-Autoregressive Sequence-to-Sequence Approach

2 code implementations13 Feb 2024 Jiachen Lu, Renyuan Peng, Xinyue Cai, Hang Xu, Hongyang Li, Feng Wen, Wei zhang, Li Zhang

Instead, our work establishes a unified representation of both types of data domain by projecting both Euclidean and non-Euclidean data into an integer series called RoadNet Sequence.

S-Agents: Self-organizing Agents in Open-ended Environments

1 code implementation7 Feb 2024 Jiaqi Chen, Yuxian Jiang, Jiachen Lu, Li Zhang

Leveraging large language models (LLMs), autonomous agents have significantly improved, gaining the ability to handle a variety of tasks.

S-NeRF++: Autonomous Driving Simulation via Neural Reconstruction and Generation

no code implementations3 Feb 2024 Yurui Chen, Junge Zhang, Ziyang Xie, Wenye Li, Feihu Zhang, Jiachen Lu, Li Zhang

Autonomous driving simulation system plays a crucial role in enhancing self-driving data and simulating complex and rare traffic scenarios, ensuring navigation safety.

Autonomous Driving

WoVoGen: World Volume-aware Diffusion for Controllable Multi-camera Driving Scene Generation

1 code implementation5 Dec 2023 Jiachen Lu, Ze Huang, Zeyu Yang, Jiahui Zhang, Li Zhang

Generating multi-camera street-view videos is critical for augmenting autonomous driving datasets, addressing the urgent demand for extensive and varied data.

Autonomous Driving Scene Generation +1

Enhancing High-Resolution 3D Generation through Pixel-wise Gradient Clipping

1 code implementation19 Oct 2023 Zijie Pan, Jiachen Lu, Xiatian Zhu, Li Zhang

In this framework, a significant challenge arises: To compute gradients for individual image pixels, it is necessary to backpropagate gradients from the designated latent space through the frozen components of the image model, such as the VAE encoder used within LDM.

3D Generation Transfer Learning

SUIT: Learning Significance-guided Information for 3D Temporal Detection

no code implementations4 Jul 2023 Zheyuan Zhou, Jiachen Lu, Yihan Zeng, Hang Xu, Li Zhang

To this end, we propose to learn Significance-gUided Information for 3D Temporal detection (SUIT), which simplifies temporal information as sparse features for information fusion across frames.

3D Object Detection Autonomous Driving +2

Generative Semantic Segmentation

2 code implementations CVPR 2023 Jiaqi Chen, Jiachen Lu, Xiatian Zhu, Li Zhang

To that end, the segmentation mask is expressed with a special type of image (dubbed as maskige).

Segmentation Semantic Segmentation

SeaFormer: Squeeze-enhanced Axial Transformer for Mobile Semantic Segmentation

1 code implementation30 Jan 2023 Qiang Wan, Zilong Huang, Jiachen Lu, Gang Yu, Li Zhang

Coupled with a light segmentation head, we achieve the best trade-off between segmentation accuracy and latency on the ARM-based mobile devices on the ADE20K and Cityscapes datasets.

Image Classification Segmentation +1

Translating Images to Road Network: A Non-Autoregressive Sequence-to-Sequence Approach

no code implementations ICCV 2023 Jiachen Lu, Renyuan Peng, Xinyue Cai, Hang Xu, Hongyang Li, Feng Wen, Wei zhang, Li Zhang

The extraction of road network is essential for the generation of high-definition maps since it enables the precise localization of road landmarks and their interconnections.

Vision Transformers: From Semantic Segmentation to Dense Prediction

3 code implementations19 Jul 2022 Li Zhang, Jiachen Lu, Sixiao Zheng, Xinxuan Zhao, Xiatian Zhu, Yanwei Fu, Tao Xiang, Jianfeng Feng, Philip H. S. Torr

In this work, for the first time we explore the global context learning potentials of ViTs for dense visual prediction (e. g., semantic segmentation).

Image Classification Instance Segmentation +5

Softmax-free Linear Transformers

1 code implementation5 Jul 2022 Jiachen Lu, Junge Zhang, Xiatian Zhu, Jianfeng Feng, Tao Xiang, Li Zhang

With linear complexity, much longer token sequences are permitted by SOFT, resulting in superior trade-off between accuracy and complexity.

Computational Efficiency

Learning Ego 3D Representation as Ray Tracing

1 code implementation8 Jun 2022 Jiachen Lu, Zheyuan Zhou, Xiatian Zhu, Hang Xu, Li Zhang

A self-driving perception model aims to extract 3D semantic representations from multiple cameras collectively into the bird's-eye-view (BEV) coordinate frame of the ego car in order to ground downstream planner.

3D Object Detection Computational Efficiency +4

SOFT: Softmax-free Transformer with Linear Complexity

2 code implementations NeurIPS 2021 Jiachen Lu, Jinghan Yao, Junge Zhang, Xiatian Zhu, Hang Xu, Weiguo Gao, Chunjing Xu, Tao Xiang, Li Zhang

Crucially, with a linear complexity, much longer token sequences are permitted in SOFT, resulting in superior trade-off between accuracy and complexity.

Computational Efficiency

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