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Chao Ren

22 accepted papers

2026

Learning Domain-Aware Task Prompt Representations for Multi-Domain All-in-One Image Restoration

ICLR 2026poster

Recently, significant breakthroughs have been made in all-in-one image restoration (AiOIR), which can handle multiple restoration tasks with a single model. However, existing methods typically focus on a specific image domain, such as natural scene, medical imaging, or remote sensing. In this work,…

Cited by 0SourcecodeScholar
2026

Plan, Decouple, Assimilate: Physics-Aware Object Insertion in Remote Sensing Imagery

ICML 2026poster

Object insertion has emerged as a promising augmentation paradigm to solve the label scarcity and long-tail distributions in remote sensing. It aims to generate training samples by synthesizing target instances onto real backgrounds. However, existing methods have three critical issues: (i) Semantic…

Cited by 0SourceScholar
2025

Channel Consistency Prior and Self-Reconstruction Strategy Based Unsupervised Image Deraining

CVPR 2025poster

Recently, deep image deraining models based on paired datasets have made a series of remarkable progress. However, they cannot be well applied in real-world applications due to the difficulty of obtaining real paired datasets and the poor generalization performance. In this paper, we propose a novel…

2025

Degradation-Aware Feature Perturbation for All-in-One Image Restoration

CVPR 2025poster

All-in-one image restoration aims to recover clear images from various degradation types and levels with a unified model. Nonetheless, the significant variations among degradation types present challenges for training a universal model, often resulting in task interference, where the gradient update…

2025

Efficient Heterogeneity-Aware Federated Active Data Selection

ICML 2025poster

Federated Active Learning (FAL) aims to learn an effective global model, while minimizing label queries. Owing to privacy requirements, it is challenging to design effective active data selection schemes due to the lack of cross-client query information. In this paper, we bridge this important gap b…

Cited by 0SourcePDFScholar
2025

Exploring Semantic Feature Discrimination for Perceptual Image Super-Resolution and Opinion-Unaware No-Reference Image Quality Assessment

CVPR 2025poster

Generative Adversarial Networks (GANs) have been widely applied to image super-resolution (SR) to enhance the perceptual quality. However, most existing GAN-based SR methods typically perform coarse-grained discrimination directly on images and ignore the semantic information of images, making it ch…

2025

HQGS: High-Quality Novel View Synthesis with Gaussian Splatting in Degraded Scenes

ICLR 2025poster

3D Gaussian Splatting (3DGS) has shown promising results for Novel View Synthesis. However, while it is quite effective when based on high-quality images, its performance declines as image quality degrades, due to lack of resolution, motion blur, noise, compression artifacts, or other factors common…

2025

Learning to traverse challenging terrain using vision and forward kinematics

IROS 2025

In this letter, we propose a new method for visual locomotion controller in quadruped robots, aimed at enhancing their capability to traverse challenging terrain. Our approach integrates computer vision techniques with robust locomotion control to improve terrain traversal. To facilitate terrain per

Cited by 0SourceScholar
2025

pFedES: Generalized Proxy Feature Extractor Sharing for Model Heterogeneous Personalized Federated Learning

AAAI 2025technical

Federated learning (FL), as a privacy-preserving collaborative machine learning paradigm, has attracted significant interest from industry and academia. To allow each data owner (FL client) to train a heterogeneous and personalized local model based on its local data distribution, system resources a…

2024

Dual Calibration-based Personalised Federated Learning

IJCAI 2024poster

Personalized federated learning (PFL) is designed for scenarios with non-independent and identically distributed (non-IID) client data. Existing model mixup-based methods, one of the main approaches of PFL, can only extract either global or personalized features during training, thereby limiting eff…

Cited by 4SourcePDFScholar
2024

Federated Model Heterogeneous Matryoshka Representation Learning

NeurIPS 2024poster

Model heterogeneous federated learning (MHeteroFL) enables FL clients to collaboratively train models with heterogeneous structures in a distributed fashion. However, existing MHeteroFL methods rely on training loss to transfer knowledge between the client model and the server model, resulting in li…

Cited by 6SourcePDFScholar
2024

Unsupervised Blind Image Deblurring Based on Self-Enhancement

CVPR 2024poster

Significant progress in image deblurring has been achieved by deep learning methods especially the remarkable performance of supervised models on paired synthetic data. However real-world quality degradation is more complex than synthetic datasets and acquiring paired data in real-world scenarios po…

Cited by 10SourcePDFScholar
2023

Geometry and Uncertainty-Aware 3D Point Cloud Class-Incremental Semantic Segmentation

CVPR 2023poster

Despite the significant recent progress made on 3D point cloud semantic segmentation, the current methods require training data for all classes at once, and are not suitable for real-life scenarios where new categories are being continuously discovered. Substantial memory storage and expensive re-tr…

2023

Random Sub-Samples Generation for Self-Supervised Real Image Denoising

ICCV 2023poster

With sufficient paired training samples, the supervised deep learning methods have attracted much attention in image denoising because of their superior performance. However, it is still very challenging to widely utilize the supervised methods in real cases due to the lack of paired noisy-clean ima…

Cited by 33PDFcodeScholar
2023

Unsupervised Image Denoising in Real-World Scenarios via Self-Collaboration Parallel Generative Adversarial Branches

ICCV 2023poster

Deep learning methods have shown remarkable performance in image denoising, particularly when trained on large-scale paired datasets. However, acquiring such paired datasets for real-world scenarios poses a significant challenge. Although unsupervised approaches based on generative adversarial netwo…

Cited by 32PDFcodeScholar
2022

Conditional Disturbance Negation Based Control for an Omnidirectional Mobile Robot: An Energy Perspective

RA-L 2022

Disturbances widely exist in all control systems. Disturbance observers are commonly employed to estimate the disturbances which are often fully compensated in the control signal. However, one rarely recognized fact is that disturbances may be beneficial to the control performances and thus can be e

Cited by 7SourceScholar
2022

Enhanced Latent Space Blind Model for Real Image Denoising via Alternative Optimization

NeurIPS 2022accept

Motivated by the achievements in model-based methods and the advances in deep networks, we propose a novel enhanced latent space blind model based deep unfolding network, namely ScaoedNet, for complex real image denoising. It is derived by introducing latent space, noise information, and guidance co…

2022

Optimal Path Following Control With Efficient Computation for Snake Robots Subject to Multiple Constraints and Unknown Frictions

RA-L 2022

This letter proposes a real-time optimal robust path following control scheme for planar snake robots without sideslip constraints using model predictive control (MPC). One of the features is that a linear double-integrator model rather than the complex dynamic model of snake robots is used for the

Cited by 15SourceScholar
2022

The Impact of Dorsal Fin Design on the Swimming Performance of a Snake-Like Robot

RA-L 2022

Lampreys’ posterior dual dorsal fins can function as a thrust booster. In addition, the fin-fin interaction of these dorsal fins enables utilization of the energy from the wake, making this species one of the most efficient swimmers. Thus, this dorsal fin configuration can serve as a great source of

Cited by 7SourceScholar
2021

Adaptive Consistency Prior Based Deep Network for Image Denoising

CVPR 2021poster

Recent studies have shown that deep networks can achieve promising results for image denoising. However, how to simultaneously incorporate the valuable achievements of traditional methods into the network design and improve network interpretability is still an open problem. To solve this problem, we…

Cited by 219PDFcodeScholar
2016

Guide rail design for a passive suction cup based wall-climbing robot

IROS 2016poster

This paper designs a guide rail for a wall-climbing robot based on passive suction cups. The designed guide rail can guarantee stable climbing of a wall-climbing robot. Firstly, to design the parameters of the guide rail, properties of the utilized passive suction cup are experimentally studied. The…

Cited by 31SourceScholar