no code implementations • 21 Mar 2025 • Haijin Zeng, Xiangming Wang, Yongyong Chen, Jingyong Su, Jie Liu
Dynamic image degradations, including noise, blur and lighting inconsistencies, pose significant challenges in image restoration, often due to sensor limitations or adverse environmental conditions.
1 code implementation • 20 Mar 2025 • Shiyang Zhou, Haijin Zeng, Yunfan Lu, Tong Shao, Ke Tang, Yongyong Chen, Jie Liu, Jingyong Su
Quad Bayer demosaicing is the central challenge for enabling the widespread application of Hybrid Event-based Vision Sensors (HybridEVS).
no code implementations • 4 Mar 2025 • Jiahui Luo, Kai Feng, Haijin Zeng, Yongyong Chen
Specifically, our approach consists of three steps: (1) Pre-Training step: training the end-to-end neural network on a large amount of simulated data; (2) Pseudo-Pairing step: generating pseudo-labels of real target data using the self-supervised generative model; (3) Fine-Tuning step: fine-tuning the pre-trained model on the pseudo data pairs obtained in (2).
1 code implementation • 15 Dec 2024 • Xiangming Wang, Haijin Zeng, Jiaoyang Chen, Sheng Liu, Yongyong Chen, Guoqing Chao
The TNN-regularized optimization problem is solved by the singular value thresholding (SVT) operator, which leverages the t-SVD framework to obtain the low-rank tensor.
1 code implementation • 28 Nov 2024 • Jiancheng Zhang, Peiran Dong, Yongyong Chen, Yin-Ping Zhao, Song Guo
Remarkably, under strong attack, our DiffAP even achieves a more than 20% robustness advantage with 10$\times$ sampling acceleration.
no code implementations • 18 Oct 2024 • Zhenghao Pan, Haijin Zeng, JieZhang Cao, Yongyong Chen, Kai Zhang, Yong Xu
To address this challenge, we propose the MambaSCI method, which leverages the Mamba and UNet architectures for efficient reconstruction of quad-Bayer patterned color video SCI.
no code implementations • 1 Aug 2024 • Wenzhe Tian, Haijin Zeng, Yin-Ping Zhao, Yongyong Chen, Zhen Wang, Xuelong Li
Current CNN-based methods are limited in modeling long-range dependencies, while Transformer-based models face high computational complexity.
no code implementations • 3 Jun 2024 • Xuanqi Zhang, Haijin Zeng, Jinwang Pan, Qiangqiang Shen, Yongyong Chen
Transformer-based low-light enhancement methods have yielded promising performance by effectively capturing long-range dependencies in a global context.
1 code implementation • 8 May 2024 • Yaqi Wu, Zhihao Fan, Xiaofeng Chu, Jimmy S. Ren, Xiaoming Li, Zongsheng Yue, Chongyi Li, Shangcheng Zhou, Ruicheng Feng, Yuekun Dai, Peiqing Yang, Chen Change Loy, Senyan Xu, Zhijing Sun, Jiaying Zhu, Yurui Zhu, Xueyang Fu, Zheng-Jun Zha, Jun Cao, Cheng Li, Shu Chen, Liang Ma, Shiyang Zhou, Haijin Zeng, Kai Feng, Yongyong Chen, Jingyong Su, Xianyu Guan, Hongyuan Yu, Cheng Wan, Jiamin Lin, Binnan Han, Yajun Zou, Zhuoyuan Wu, Yuan Huang, Yongsheng Yu, Daoan Zhang, Jizhe Li, Xuanwu Yin, Kunlong Zuo, Yunfan Lu, Yijie Xu, Wenzong Ma, Weiyu Guo, Hui Xiong, Wei Yu, Bingchun Luo, Sabari Nathan, Priya Kansal
The increasing demand for computational photography and imaging on mobile platforms has led to the widespread development and integration of advanced image sensors with novel algorithms in camera systems.
no code implementations • CVPR 2024 • Haijin Zeng, JieZhang Cao, Kai Zhang, Yongyong Chen, Hiep Luong, Wilfried Philips
Consequently the importance of HSI denoising is substantial especially for snapshot hyperspectral imaging technology.
1 code implementation • CVPR 2024 • Jiancheng Zhang, Haijin Zeng, JieZhang Cao, Yongyong Chen, Dengxiu Yu, Yin-Ping Zhao
Recently deep unfolding methods have achieved remarkable success in the realm of Snapshot Compressive Imaging (SCI) reconstruction.
Ranked #1 on
Spectral Reconstruction
on Real HSI
1 code implementation • CVPR 2024 • Jiancheng Zhang, Haijin Zeng, Yongyong Chen, Dengxiu Yu, Yin-Ping Zhao
How to effectively utilize the spectral and spatial characteristics of Hyperspectral Image (HSI) is always a key problem in spectral snapshot reconstruction.
Ranked #1 on
Spectral Reconstruction
on Real HSI
no code implementations • CVPR 2024 • Chong Peng, Pengfei Zhang, Yongyong Chen, Zhao Kang, Chenglizhao Chen, Qiang Cheng
In this paper we propose a novel concept factorization method that seeks factor matrices using a cross-order positive semi-definite neighbor graph which provides comprehensive and complementary neighbor information of the data.
1 code implementation • CVPR 2024 • Zhenghao Pan, Haijin Zeng, JieZhang Cao, Kai Zhang, Yongyong Chen
Specifically, firstly, we employ a pre-trained diffusion model, which has been trained on a substantial corpus of RGB images, as the generative denoiser within the Plug-and-Play framework for the first time.
no code implementations • 23 Mar 2023 • Haijin Zeng, Kai Feng, Shaoguang Huang, JieZhang Cao, Yongyong Chen, Hongyan zhang, Hiep Luong, Wilfried Philips
The advantage of Maformer is that it can leverage the MSFA information and non-local dependencies present in the data.
no code implementations • 4 Oct 2022 • Honghu Pan, Yongyong Chen, Yunqi He, Xin Li, Zhenyu He
To this end, we propose Flow2Flow, a unified framework that could jointly achieve training sample expansion and cross-modality image generation for V2I person ReID.
no code implementations • 23 Sep 2022 • Honghu Pan, Yongyong Chen, Tingyang Xu, Yunqi He, Zhenyu He
Extensive experiments on two large gait recognition datasets, i. e., CASIA-B and OUMVLP-Pose, demonstrate that our method outperforms the baseline model and existing pose-based methods by a large margin.
no code implementations • 23 Sep 2022 • Honghu Pan, Qiao Liu, Yongyong Chen, Yunqi He, Yuan Zheng, Feng Zheng, Zhenyu He
Finally, we propose a dual-attention method consisting of node-attention and time-attention to obtain the temporal graph representation from the node embeddings, where the self-attention mechanism is employed to learn the importance of each node and each frame.
no code implementations • 23 Sep 2022 • Honghu Pan, Yongyong Chen, Zhenyu He
To downsample the graph, we propose a multi-head full attention graph pooling (MHFAPool) layer, which integrates the advantages of existing node clustering and node selection pooling methods.
no code implementations • 27 Apr 2022 • Haijin Zeng, Shaoguang Huang, Yongyong Chen, Hiep Luong, Wilfried Philips
Based on this fact, we propose a novel TV regularization to simultaneously characterize the sparsity and low-rank priors of the gradient map (LRSTV).
no code implementations • 22 Apr 2022 • Chong Peng, Yiqun Zhang, Yongyong Chen, Zhao Kang, Chenglizhao Chen, Qiang Cheng
Nonnegative matrix factorization (NMF) has been widely studied in recent years due to its effectiveness in representing nonnegative data with parts-based representations.
no code implementations • 8 Jan 2022 • Chong Peng, Yang Liu, Yongyong Chen, Xinxin Wu, Andrew Cheng, Zhao Kang, Chenglizhao Chen, Qiang Cheng
In this paper, we propose a novel nonconvex approach to robust principal component analysis for HSI denoising, which focuses on simultaneously developing more accurate approximations to both rank and column-wise sparsity for the low-rank and sparse components, respectively.
no code implementations • 25 May 2021 • Yang Liu, Qian Zhang, Yongyong Chen, Qiang Cheng, Chong Peng
It is a challenging task to remove heavy and mixed types of noise from Hyperspectral images (HSIs).