no code implementations • 5 Jan 2024 • Chang Chen, Fei Deng, Kenji Kawaguchi, Caglar Gulcehre, Sungjin Ahn
Diffusion-based generative methods have proven effective in modeling trajectories with offline datasets.
no code implementations • 20 Dec 2023 • Xinyuan Liu, Lizhi Wang, Lingen Li, Chang Chen, Xue Hu, Fenglong Song, Youliang Yan
Computational spectral imaging is drawing increasing attention owing to the snapshot advantage, and amplitude, phase, and wavelength encoding systems are three types of representative implementations.
no code implementations • 20 Dec 2023 • Hongyuan Wang, Lizhi Wang, Jiang Xu, Chang Chen, Xue Hu, Fenglong Song, Youliang Yan
By integrating unified spatial-spectral attention and linear dependence, our ECT can model exhaustive correlation within HSI.
1 code implementation • 2 Oct 2023 • Wenxuan Wang, Zhaopeng Tu, Chang Chen, Youliang Yuan, Jen-tse Huang, Wenxiang Jiao, Michael R. Lyu
In this work, we build the first multilingual safety benchmark for LLMs, XSafety, in response to the global deployment of LLMs in practice.
no code implementations • 18 Aug 2023 • Wenxuan Wang, Jingyuan Huang, Jen-tse Huang, Chang Chen, Jiazhen Gu, Pinjia He, Michael R. Lyu
Moreover, through retraining the models with the test cases generated by OASIS, the robustness of the moderation model can be improved without performance degradation.
no code implementations • 23 May 2023 • Wenxuan Wang, Jingyuan Huang, Chang Chen, Jiazhen Gu, Jianping Zhang, Weibin Wu, Pinjia He, Michael Lyu
To this end, content moderation software has been widely deployed on these platforms to detect and blocks toxic content.
1 code implementation • 25 Mar 2023 • Jiacheng Li, Chang Chen, Zhen Cheng, Zhiwei Xiong
However, the size of a single LUT grows exponentially with the increase of its indexing capacity, which restricts its receptive field and thus the performance.
1 code implementation • 20 Feb 2023 • Chang Chen, Min Li, Zhihua Wu, dianhai yu, Chao Yang
In this paper, we propose TA-MoE, a topology-aware routing strategy for large-scale MoE trainging, from a model-system co-design perspective, which can dynamically adjust the MoE dispatch pattern according to the network topology.
no code implementations • CVPR 2023 • Jiacheng Li, Chang Chen, Wei Huang, Zhiqiang Lang, Fenglong Song, Youliang Yan, Zhiwei Xiong
Image resampling is a basic technique that is widely employed in daily applications.
no code implementations • CVPR 2023 • Ruikang Xu, Chang Chen, Jingyang Peng, Cheng Li, Yibin Huang, Fenglong Song, Youliang Yan, Zhiwei Xiong
In many computer vision applications (e. g., robotics and autonomous driving), high dynamic range (HDR) data is necessary for object detection algorithms to handle a variety of lighting conditions, such as strong glare.
no code implementations • CVPR 2023 • Wei Huang, Chang Chen, Yong Li, Jiacheng Li, Cheng Li, Fenglong Song, Youliang Yan, Zhiwei Xiong
In contrast to existing methods, we instead utilize the difference between images to build a better representation space, where the distinct style features are extracted and stored as the bases of representation.
no code implementations • 5 Dec 2022 • Yue Shi, Dingyi Rong, Bingbing Ni, Chang Chen, Wenjun Zhang
To address these issues, we propose Geometry-Aware Generalized Neural Radiance Field (GARF) with a geometry-aware dynamic sampling (GADS) strategy to perform real-time novel view rendering and unsupervised depth estimation on unseen scenes without per-scene optimization.
no code implementations • 6 Nov 2022 • Zhen Cheng, Tao Wang, Yong Li, Fenglong Song, Chang Chen, Zhiwei Xiong
To solve this problem, we propose a learning-based data synthesis approach to learn the properties of real-world SDRTVs by integrating several tone mapping priors into both network structures and loss functions.
1 code implementation • 20 Oct 2022 • Marcos V. Conde, Radu Timofte, Yibin Huang, Jingyang Peng, Chang Chen, Cheng Li, Eduardo Pérez-Pellitero, Fenglong Song, Furui Bai, Shuai Liu, Chaoyu Feng, Xiaotao Wang, Lei Lei, Yu Zhu, Chenghua Li, Yingying Jiang, Yong A, Peisong Wang, Cong Leng, Jian Cheng, Xiaoyu Liu, Zhicun Yin, Zhilu Zhang, Junyi Li, Ming Liu, WangMeng Zuo, Jun Jiang, Jinha Kim, Yue Zhang, Beiji Zou, Zhikai Zong, Xiaoxiao Liu, Juan Marín Vega, Michael Sloth, Peter Schneider-Kamp, Richard Röttger, Furkan Kınlı, Barış Özcan, Furkan Kıraç, Li Leyi, SM Nadim Uddin, Dipon Kumar Ghosh, Yong Ju Jung
Cameras capture sensor RAW images and transform them into pleasant RGB images, suitable for the human eyes, using their integrated Image Signal Processor (ISP).
1 code implementation • 13 Jul 2022 • Chang Chen, Jiaming Zhang, Kailun Yang, Kunyu Peng, Rainer Stiefelhagen
Humans have an innate ability to sense their surroundings, as they can extract the spatial representation from the egocentric perception and form an allocentric semantic map via spatial transformation and memory updating.
no code implementations • 19 Feb 2022 • Chang Chen, Yi-Fu Wu, Jaesik Yoon, Sungjin Ahn
We then share this world model with a transformer-based policy network and obtain stability in training a transformer-based RL agent.
Model-based Reinforcement Learning reinforcement-learning +1
1 code implementation • 3 Feb 2022 • Mingxing Li, Shenglong Zhou, Chang Chen, Yueyi Zhang, Dong Liu, Zhiwei Xiong
Accurate retinal vessel segmentation is challenging because of the complex texture of retinal vessels and low imaging contrast.
no code implementations • CVPR 2022 • Jiacheng Li, Chang Chen, Zhiwei Xiong
To model the contextual correlation between foreground and background contents, we incorporate an object-level contrastive loss to regularize the learning of cross-modal representations of foreground contents and the corresponding background semantic layout, facilitating accurate semantic reasoning.
no code implementations • 24 Dec 2021 • Ruikang Xu, Mingde Yao, Chang Chen, Lizhi Wang, Zhiwei Xiong
In this paper, we propose Neural Spectral Reconstruction (NeSR) to lift this limitation, by introducing a novel continuous spectral representation.
1 code implementation • 16 Aug 2021 • Haobin Tan, Chang Chen, Xinyu Luo, Jiaming Zhang, Constantin Seibold, Kailun Yang, Rainer Stiefelhagen
By recognizing the color of pedestrian traffic lights, our prototype can help the user to cross a street safely.
no code implementations • CVPR 2021 • Zhen Cheng, Zhiwei Xiong, Chang Chen, Dong Liu, Zheng-Jun Zha
To fill this gap, we propose a zero-shot learning framework for light field SR, which learns a mapping to super-resolve the reference view with examples extracted solely from the input low-resolution light field itself.
1 code implementation • 16 Apr 2021 • Mingxing Li, Chang Chen, Xiaoyu Liu, Wei Huang, Yueyi Zhang, Zhiwei Xiong
Mitochondria instance segmentation from electron microscopy (EM) images has seen notable progress since the introduction of deep learning methods.
Ranked #1 on 3D Instance Segmentation on MitoEM
no code implementations • 10 Dec 2020 • Chang Chen, Yin Li, Francisco Villaescusa-Navarro, Shirley Ho, Anthony Pullen
Understanding the physics of large cosmological surveys down to small (nonlinear) scales will significantly improve our knowledge of the Universe.
no code implementations • 8 Oct 2020 • Jiancheng Yang, Mingze Gao, Kaiming Kuang, Bingbing Ni, Yunlang She, Dong Xie, Chang Chen
A three-level hierarchical classification system for pulmonary lesions is developed, which covers most diseases in cancer-related diagnosis.
no code implementations • 11 Jun 2020 • Chang Chen, Fei Deng, Sungjin Ahn
A crucial ability of human intelligence is to build up models of individual 3D objects from partial scene observations.
1 code implementation • CVPR 2020 • Chang Chen, Zhiwei Xiong, Xiaoming Liu, Feng Wu
To reconcile these two demands, we propose Siamese Trace Erasing (SiamTE), in which a novel hybrid loss is designed on the basis of Siamese architecture for network training.
no code implementations • 25 Sep 2019 • Chang Chen, Sungjin Ahn
In this paper, we propose a generative model, called ROOTS (Representation of Object-Oriented Three-dimension Scenes), for unsupervised object-wise 3D-scene decomposition and and rendering.
1 code implementation • CVPR 2019 • Chang Chen, Zhiwei Xiong, Xinmei Tian, Zheng-Jun Zha, Feng Wu
Existing methods for single image super-resolution (SR) are typically evaluated with synthetic degradation models such as bicubic or Gaussian downsampling.
no code implementations • ECCV 2018 • Chang Chen, Zhiwei Xiong, Xinmei Tian, Feng Wu
Boosting is a classic algorithm which has been successfully applied to diverse computer vision tasks.
2 code implementations • 15 Mar 2018 • Hany Hassan, Anthony Aue, Chang Chen, Vishal Chowdhary, Jonathan Clark, Christian Federmann, Xuedong Huang, Marcin Junczys-Dowmunt, William Lewis, Mu Li, Shujie Liu, Tie-Yan Liu, Renqian Luo, Arul Menezes, Tao Qin, Frank Seide, Xu Tan, Fei Tian, Lijun Wu, Shuangzhi Wu, Yingce Xia, Dong-dong Zhang, Zhirui Zhang, Ming Zhou
Machine translation has made rapid advances in recent years.
Ranked #3 on Machine Translation on WMT 2017 English-Chinese