Search Results for author: Meiqin Liu

Found 20 papers, 15 papers with code

Multi-agent Embodied AI: Advances and Future Directions

no code implementations8 May 2025 Zhaohan Feng, Ruiqi Xue, Lei Yuan, Yang Yu, Ning Ding, Meiqin Liu, Bingzhao Gao, Jian Sun, Xinhu Zheng, Gang Wang

Embodied artificial intelligence (Embodied AI) plays a pivotal role in the application of advanced technologies in the intelligent era, where AI systems are integrated with physical bodies that enable them to perceive, reason, and interact with their environments.

Navigate Reinforcement Learning (RL)

NTIRE 2025 Challenge on Short-form UGC Video Quality Assessment and Enhancement: Methods and Results

1 code implementation17 Apr 2025 Xin Li, Kun Yuan, Bingchen Li, Fengbin Guan, Yizhen Shao, Zihao Yu, Xijun Wang, Yiting Lu, Wei Luo, Suhang Yao, Ming Sun, Chao Zhou, Zhibo Chen, Radu Timofte, Yabin Zhang, Ao-Xiang Zhang, Tianwu Zhi, Jianzhao Liu, Yang Li, Jingwen Xu, Yiting Liao, Yushen Zuo, Mingyang Wu, Renjie Li, Shengyun Zhong, Zhengzhong Tu, Yufan Liu, Xiangguang Chen, Zuowei Cao, Minhao Tang, Shan Liu, Kexin Zhang, Jingfen Xie, Yan Wang, Kai Chen, Shijie Zhao, Yunchen Zhang, Xiangkai Xu, Hong Gao, Ji Shi, Yiming Bao, Xiugang Dong, Xiangsheng Zhou, Yaofeng Tu, Ying Liang, Yiwen Wang, Xinning Chai, Yuxuan Zhang, Zhengxue Cheng, Yingsheng Qin, Yucai Yang, Rong Xie, Li Song, Wei Sun, Kang Fu, Linhan Cao, Dandan Zhu, Kaiwei Zhang, Yucheng Zhu, ZiCheng Zhang, Menghan Hu, Xiongkuo Min, Guangtao Zhai, Zhi Jin, Jiawei Wu, Wei Wang, Wenjian Zhang, Yuhai Lan, Gaoxiong Yi, Hengyuan Na, Wang Luo, Di wu, MingYin Bai, Jiawang Du, Zilong Lu, Zhenyu Jiang, Hui Zeng, Ziguan Cui, Zongliang Gan, Guijin Tang, Xinglin Xie, Kehuan Song, Xiaoqiang Lu, Licheng Jiao, Fang Liu, Xu Liu, Puhua Chen, Ha Thu Nguyen, Katrien De Moor, Seyed Ali Amirshahi, Mohamed-Chaker Larabi, Qi Tang, Linfeng He, Zhiyong Gao, Zixuan Gao, Guohua Zhang, Zhiye Huang, Yi Deng, Qingmiao Jiang, Lu Chen, Yi Yang, Xi Liao, Nourine Mohammed Nadir, YuXuan Jiang, Qiang Zhu, Siyue Teng, Fan Zhang, Shuyuan Zhu, Bing Zeng, David Bull, Meiqin Liu, Chao Yao, Yao Zhao

This paper presents a review for the NTIRE 2025 Challenge on Short-form UGC Video Quality Assessment and Enhancement.

Form Image Super-Resolution +3

TransVFC: A Transformable Video Feature Compression Framework for Machines

1 code implementation31 Mar 2025 Yuxiao Sun, Yao Zhao, Meiqin Liu, Chao Yao, Huihui Bai, Chunyu Lin, Weisi Lin

Then, the codec implements perception-guided conditional coding to minimize spatial redundancy and help the reconstructed features align with downstream machine perception. After that, the reconstructed features are transferred to new feature spaces for diverse downstream tasks by FST modules.

Feature Compression

Embedding Compression Distortion in Video Coding for Machines

1 code implementation27 Mar 2025 Yuxiao Sun, Yao Zhao, Meiqin Liu, Chao Yao, Weisi Lin

To address this issue, we propose a Compression Distortion Representation Embedding (CDRE) framework, which extracts machine-perception-related distortion representation and embeds it into downstream models, addressing the information lost during compression and improving task performance.

SeeClear: Semantic Distillation Enhances Pixel Condensation for Video Super-Resolution

1 code implementation8 Oct 2024 Qi Tang, Yao Zhao, Meiqin Liu, Chao Yao

Diffusion-based Video Super-Resolution (VSR) is renowned for generating perceptually realistic videos, yet it grapples with maintaining detail consistency across frames due to stochastic fluctuations.

Video Generation Video Super-Resolution

Relation DETR: Exploring Explicit Position Relation Prior for Object Detection

2 code implementations16 Jul 2024 Xiuquan Hou, Meiqin Liu, Senlin Zhang, Ping Wei, Badong Chen, Xuguang Lan

The experimental results on the dataset illustrate that the proposed explicit position relation achieves a clear improvement of 1. 3% AP, highlighting its potential towards universal object detection.

object-detection Object Detection +2

Cooperative Reward Shaping for Multi-Agent Pathfinding

no code implementations15 Jul 2024 Zhenyu Song, Ronghao Zheng, Senlin Zhang, Meiqin Liu

The evidence suggests that the approach proposed in this letter parallels other planners in numerous aspects, and outperforms them in scenarios featuring a large number of agents.

Collision Avoidance Multi-agent Reinforcement Learning +1

I$^2$VC: A Unified Framework for Intra- & Inter-frame Video Compression

1 code implementation23 May 2024 Meiqin Liu, Chenming Xu, Yukai Gu, Chao Yao, Yao Zhao

Previous neural video compression methods necessitate distinct codecs for three types of frames (I-frame, P-frame and B-frame), which hinders a unified approach and generalization across different video contexts.

Denoising Feature Compression +3

Semantic Lens: Instance-Centric Semantic Alignment for Video Super-Resolution

1 code implementation13 Dec 2023 Qi Tang, Yao Zhao, Meiqin Liu, Jian Jin, Chao Yao

As a critical clue of video super-resolution (VSR), inter-frame alignment significantly impacts overall performance.

Video Super-Resolution

IBVC: Interpolation-driven B-frame Video Compression

1 code implementation25 Sep 2023 Chenming Xu, Meiqin Liu, Chao Yao, Weisi Lin, Yao Zhao

Learned B-frame video compression aims to adopt bi-directional motion estimation and motion compensation (MEMC) coding for middle frame reconstruction.

Decoder Motion Compensation +5

CARE: Confidence-rich Autonomous Robot Exploration using Bayesian Kernel Inference and Optimization

1 code implementation11 Sep 2023 Yang Xu, Ronghao Zheng, Senlin Zhang, Meiqin Liu, Shoudong Huang

We first utilize Gaussian process (GP) regression to learn a surrogate model to infer the confidence-rich mutual information (CRMI) of querying control actions, then adopt an objective function consisting of predicted CRMI values and prediction uncertainties to conduct Bayesian optimization (BO), i. e., GP-based BO (GPBO).

Bayesian Optimization

Distributed Target Tracking with Fading Channels over Underwater Wireless Sensor Networks

no code implementations8 Aug 2023 Miaoyi Tang, Meiqin Liu, Senlin Zhang, Ronghao Zheng, Shanling Dong

The proposed filtering scheme is versatile and possesses wide applicability to numerous real-world scenarios, e. g., tracking a maneuvering underwater target with acoustic sensors.

Physics-informed Neural Network Combined with Characteristic-Based Split for Solving Navier-Stokes Equations

1 code implementation21 Apr 2023 Shuang Hu, Meiqin Liu, Senlin Zhang, Shanling Dong, Ronghao Zheng

As a result, it can solve the special form of compressible N-S equations -- -Shallow-Water equations, and incompressible N-S equations.

3D-Aware Multi-Class Image-to-Image Translation with NeRFs

1 code implementation CVPR 2023 Senmao Li, Joost Van de Weijer, Yaxing Wang, Fahad Shahbaz Khan, Meiqin Liu, Jian Yang

In the second step, based on the well-trained multi-class 3D-aware GAN architecture, that preserves view-consistency, we construct a 3D-aware I2I translation system.

Image-to-Image Translation NeRF +1

SigVIC: Spatial Importance Guided Variable-Rate Image Compression

no code implementations16 Mar 2023 Jiaming Liang, Meiqin Liu, Chao Yao, Chunyu Lin, Yao Zhao

Variable-rate mechanism has improved the flexibility and efficiency of learning-based image compression that trains multiple models for different rate-distortion tradeoffs.

Diversity Image Compression

Temporal Consistency Learning of inter-frames for Video Super-Resolution

1 code implementation3 Nov 2022 Meiqin Liu, Shuo Jin, Chao Yao, Chunyu Lin, Yao Zhao

A spatio-temporal stability module is designed to learn the self-alignment from inter-frames.

Video Super-Resolution

JNMR: Joint Non-linear Motion Regression for Video Frame Interpolation

1 code implementation9 Jun 2022 Meiqin Liu, Chenming Xu, Chao Yao, Chunyu Lin, Yao Zhao

Video frame interpolation (VFI) aims to generate predictive frames by warping learnable motions from the bidirectional historical references.

Motion Estimation regression +1

Dense residual Transformer for image denoising

no code implementations14 May 2022 Chao Yao, Shuo Jin, Meiqin Liu, Xiaojuan Ban

In this paper, we proposed an image denoising network structure based on Transformer, which is named DenSformer.

Image Compression Image Denoising +1

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