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Deep learning approaches in image processing predominantly resort to supervised learning. A majority of methods for image denoising are no exception to this rule and hence demand pairs of noisy and corresponding clean images. Only recently…

图像与视频处理 · 电气工程与系统科学 2020-10-02 Priyatham Kattakinda , A. N. Rajagopalan

The quality of images captured in outdoor environments can be affected by poor weather conditions such as fog, dust, and atmospheric scattering of other particles. This problem can bring extra challenges to high-level computer vision tasks…

计算机视觉与模式识别 · 计算机科学 2019-04-19 Jiaxi He , Frank Z. Xing , Ran Yang , Cishen Zhang

Most of existing image denoising methods learn image priors from either external data or the noisy image itself to remove noise. However, priors learned from external data may not be adaptive to the image to be denoised, while priors…

计算机视觉与模式识别 · 计算机科学 2018-10-16 Jun Xu , Lei Zhang , David Zhang

Image harmonization, which involves adjusting the foreground of a composite image to attain a unified visual consistency with the background, can be conceptualized as an image-to-image translation task. Diffusion models have recently…

计算机视觉与模式识别 · 计算机科学 2024-04-10 Pengfei Zhou , Fangxiang Feng , Xiaojie Wang

Generative diffusion models trained on large-scale datasets have achieved remarkable progress in image synthesis. In favor of their ability to supplement missing details and generate aesthetically pleasing contents, recent works have…

计算机视觉与模式识别 · 计算机科学 2025-06-02 Junhao Cheng , Wei-Ting Chen , Xi Lu , Ming-Hsuan Yang

Image generative models, particularly diffusion-based models, have surged in popularity due to their remarkable ability to synthesize highly realistic images. However, since these models are data-driven, they inherit biases from the…

机器学习 · 计算机科学 2025-03-18 Lin-Chun Huang , Ching Chieh Tsao , Fang-Yi Su , Jung-Hsien Chiang

Diffusion models have achieved remarkable progress in generative modelling, particularly in enhancing image quality to conform to human preferences. Recently, these models have also been applied to low-level computer vision for…

计算机视觉与模式识别 · 计算机科学 2025-10-09 Ziwei Luo , Fredrik K. Gustafsson , Zheng Zhao , Jens Sjölund , Thomas B. Schön

Image dehazing is an ill-posed problem that has been extensively studied in the recent years. The objective performance evaluation of the dehazing methods is one of the major obstacles due to the lacking of a reference dataset. While the…

计算机视觉与模式识别 · 计算机科学 2020-05-08 Codruta O. Ancuti , Cosmin Ancuti , Radu Timofte

Haze degrades content and obscures information of images, which can negatively impact vision-based decision-making in real-time systems. In this paper, we propose an efficient fully convolutional neural network (CNN) image dehazing method…

计算机视觉与模式识别 · 计算机科学 2019-05-06 Peter Morales , Tzofi Klinghoffer , Seung Jae Lee

Image dehazing poses significant challenges in environmental perception. Recent research mainly focus on deep learning-based methods with single modality, while they may result in severe information loss especially in dense-haze scenarios.…

计算机视觉与模式识别 · 计算机科学 2024-04-12 Meng Yu , Te Cui , Haoyang Lu , Yufeng Yue

Haze severely degrades the visual quality of remote sensing images and hampers the performance of road extraction, vehicle detection, and traffic flow monitoring. The emerging denoising diffusion probabilistic model (DDPM) exhibits the…

计算机视觉与模式识别 · 计算机科学 2024-11-18 Jiamei Xiong , Xuefeng Yan , Yongzhen Wang , Wei Zhao , Xiao-Ping Zhang , Mingqiang Wei

Previous raw image-based low-light image enhancement methods predominantly relied on feed-forward neural networks to learn deterministic mappings from low-light to normally-exposed images. However, they failed to capture critical…

计算机视觉与模式识别 · 计算机科学 2023-08-16 Yufei Wang , Yi Yu , Wenhan Yang , Lanqing Guo , Lap-Pui Chau , Alex C. Kot , Bihan Wen

Deep learning-based methods have achieved significant performance for image defogging. However, existing methods are mainly developed for land scenes and perform poorly when dealing with overwater foggy images, since overwater scenes…

计算机视觉与模式识别 · 计算机科学 2022-12-26 Yaozong Mo , Chaofeng Li , Wenqi Ren , Shaopeng Shang , Wenwu Wang , Xiao-jun Wu

The recovery of occluded human meshes presents challenges for current methods due to the difficulty in extracting effective image features under severe occlusion. In this paper, we introduce DPMesh, an innovative framework for occluded…

计算机视觉与模式识别 · 计算机科学 2024-04-03 Yixuan Zhu , Ao Li , Yansong Tang , Wenliang Zhao , Jie Zhou , Jiwen Lu

Diffusion models have demonstrated remarkable capabilities in image generation tasks, including image editing and video creation, representing a good understanding of the physical world. On the other line, diffusion models have also shown…

机器人学 · 计算机科学 2024-11-28 Yanjiang Guo , Yucheng Hu , Jianke Zhang , Yen-Jen Wang , Xiaoyu Chen , Chaochao Lu , Jianyu Chen

Diffusion Models enable realistic image generation, raising the risk of misinformation and eroding public trust. Currently, detecting images generated by unseen diffusion models remains challenging due to the limited generalization…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Yingjian Chen , Lei Zhang , Yakun Niu , Lei Tan , Pei Chen

Deep learning-based image generation has seen significant advancements with diffusion models, notably improving the quality of generated images. Despite these developments, generating images with unseen characteristics beneficial for…

Diffusion models have shown an impressive ability to model complex data distributions, with several key advantages over GANs, such as stable training, better coverage of the training distribution's modes, and the ability to solve inverse…

计算机视觉与模式识别 · 计算机科学 2024-06-12 Yinbo Chen , Oliver Wang , Richard Zhang , Eli Shechtman , Xiaolong Wang , Michael Gharbi

In this paper, we propose an efficient algorithm to directly restore a clear image from a hazy input. The proposed algorithm hinges on an end-to-end trainable neural network that consists of an encoder and a decoder. The encoder is…

计算机视觉与模式识别 · 计算机科学 2018-04-03 Wenqi Ren , Lin Ma , Jiawei Zhang , Jinshan Pan , Xiaochun Cao , Wei Liu , Ming-Hsuan Yang

Aiming at the existing single image haze removal algorithms, which are based on prior knowledge and assumptions, subject to many limitations in practical applications, and could suffer from noise and halo amplification. An end-to-end system…

计算机视觉与模式识别 · 计算机科学 2021-11-16 Yuwen Li , Chaobing Zheng , Shiqian Wu , Wangming Xu