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Deep Reinforcement Learning (Deep RL) has been in the spotlight for the past few years, due to its remarkable abilities to solve problems which were considered to be practically unsolvable using traditional Machine Learning methods.…

Machine Learning · Computer Science 2022-05-12 Aristotelis Lazaridis , Ioannis Vlahavas

The recently proposed plug-and-play (PnP) framework allows leveraging recent developments in image denoising to tackle other, more involved, imaging inverse problems. In a PnP method, a black-box denoiser is plugged into an iterative…

Computer Vision and Pattern Recognition · Computer Science 2018-01-03 Afonso M. Teodoro , José M. Bioucas-Dias , Mário A. T. Figueiredo

Complex image restoration aims to recover high-quality images from inputs affected by multiple degradations such as blur, noise, rain, and compression artifacts. Recent restoration agents, powered by vision-language models and large…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Jianglin Lu , Yuanwei Wu , Ziyi Zhao , Hongcheng Wang , Felix Jimenez , Abrar Majeedi , Yun Fu

In this article, we focus on decomposing latent representations in generative adversarial networks or learned feature representations in deep autoencoders into semantically controllable factors in a semisupervised manner, without modifying…

Machine Learning · Computer Science 2021-02-25 Jee Seok Yoon , Myung-Cheol Roh , Heung-Il Suk

CNNs and Self attention have achieved great success in multimedia applications for dynamic association learning of self-attention and convolution in image restoration. However, CNNs have at least two shortcomings: 1) limited receptive…

Computer Vision and Pattern Recognition · Computer Science 2023-11-10 Kui Jiang , Xuemei Jia , Wenxin Huang , Wenbin Wang , Zheng Wang , Junjun Jiang

With the rapid advancement of commercial multi-modal models, image editing has garnered significant attention due to its widespread applicability in daily life. Despite impressive progress, existing image editing systems, particularly…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Yiran Zhao , Yaoqi Ye , Xiang Liu , Michael Qizhe Shieh , Trung Bui

Compared to daytime image deraining, nighttime image deraining poses significant challenges due to inherent complexities of nighttime scenarios and the lack of high-quality datasets that accurately represent the coupling effect between rain…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Qiyuan Guan , Xiang Chen , Guiyue Jin , Jiyu Jin , Shumin Fan , Tianyu Song , Jinshan Pan

In the accelerating era of human-instructed visual content creation, diffusion models have demonstrated remarkable generative potential. Yet their deployment is constrained by a dual bottleneck: semantic ambiguity in diverse prompts and the…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Jie Qin , Jie Wu , Weifeng Chen , Yueming Lyu

Due to the development of deep learning-based denoisers, the plug-and-play strategy has achieved great success in image restoration problems. However, existing plug-and-play image restoration methods are designed for non-blind Gaussian…

Image and Video Processing · Electrical Eng. & Systems 2022-11-15 Yutong Li , Yuping Duan

Graph Neural Networks (GNNs) have achieved remarkable success in graph-based learning by propagating information among neighbor nodes via predefined aggregation mechanisms. However, such fixed schemes often suffer from two key limitations.…

Computation and Language · Computer Science 2025-10-21 Minghao Guo , Xi Zhu , Haochen Xue , Chong Zhang , Shuhang Lin , Jingyuan Huang , Ziyi Ye , Yongfeng Zhang

Text-to-image generation has advanced rapidly, but existing models still struggle with faithfully composing multiple objects and preserving their attributes in complex scenes. We propose coDrawAgents, an interactive multi-agent dialogue…

Computer Vision and Pattern Recognition · Computer Science 2026-03-16 Chunhan Li , Qifeng Wu , Jia-Hui Pan , Ka-Hei Hui , Jingyu Hu , Yuming Jiang , Bin Sheng , Xihui Liu , Wenjuan Gong , Zhengzhe Liu

Despite the superiority of convolutional neural networks (CNNs) and Transformers in single-image rain removal, current multi-scale models still face significant challenges due to their reliance on single-scale feature pyramid patterns. In…

Computer Vision and Pattern Recognition · Computer Science 2024-05-29 Huiling Zhou , Xianhao Wu , Hongming Chen

Reconstructing missing details from degraded low-quality inputs poses a significant challenge. Recent progress in image restoration has demonstrated the efficacy of learning large models capable of addressing various degradations…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Eduard Zamfir , Zongwei Wu , Nancy Mehta , Danda Pani Paudel , Yulun Zhang , Radu Timofte

Unsupervised deraining has attracted attention for its ability to learn the real-world distribution of rain without paired supervision. However, the lack of strong constraints makes it difficult for the network to converge, especially with…

Computer Vision and Pattern Recognition · Computer Science 2026-05-04 Yinghao Chen , Yeying Jin , Xiang Chen , Yanyan Wei , Ziyang Yan , Yaowen Fu

Plug-and-Play (PnP) algorithms are a class of iterative algorithms that address image inverse problems by combining a physical model and a deep neural network for regularization. Even if they produce impressive image restoration results,…

Image and Video Processing · Electrical Eng. & Systems 2025-06-12 Marien Renaud , Jean Prost , Arthur Leclaire , Nicolas Papadakis

Restoring and inpainting the visual memories that are present, but often impaired, in old photos remains an intriguing but unsolved research topic. Decades-old photos often suffer from severe and commingled degradation such as cracks,…

Computer Vision and Pattern Recognition · Computer Science 2022-10-07 Runsheng Xu , Zhengzhong Tu , Yuanqi Du , Xiaoyu Dong , Jinlong Li , Zibo Meng , Jiaqi Ma , Alan Bovik , Hongkai Yu

Image deraining is an important yet challenging image processing task. Though deterministic image deraining methods are developed with encouraging performance, they are infeasible to learn flexible representations for probabilistic…

Computer Vision and Pattern Recognition · Computer Science 2020-05-12 Ying-Jun Du , Jun Xu , Xian-Tong Zhen , Ming-Ming Cheng , Ling Shao

Image dehazing remains a challenging problem due to the spatially varying nature of haze in real-world scenes. While existing methods have demonstrated the promise of large-scale pretrained models for image dehazing, their…

Computer Vision and Pattern Recognition · Computer Science 2025-08-11 Hongfei Zhang , Kun Zhou , Ruizheng Wu , Jiangbo Lu

Dynamic scene deblurring is a challenging problem in computer vision. It is difficult to accurately estimate the spatially varying blur kernel by traditional methods. Data-driven-based methods usually employ kernel-free end-to-end mapping…

Image and Video Processing · Electrical Eng. & Systems 2020-08-20 Xiaoguang Li , Feifan Yang , Kin Man Lam , Li Zhuo , Jiafeng Li

Image deraining is a challenging task that involves restoring degraded images affected by rain streaks.

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Cheng Wang , Wei Li