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Generative adversarial networks (GANs) transform low-dimensional latent vectors into visually plausible images. If the real dataset contains only clean images, then ostensibly, the manifold learned by the GAN should contain only clean…

Computer Vision and Pattern Recognition · Computer Science 2018-03-14 Subarna Tripathi , Zachary C. Lipton , Truong Q. Nguyen

Contemporary deep learning based medical image segmentation algorithms require hours of annotation labor by domain experts. These data hungry deep models perform sub-optimally in the presence of limited amount of labeled data. In this…

Computer Vision and Pattern Recognition · Computer Science 2018-09-06 Avisek Lahiri , Vineet Jain , Arnab Mondal , Prabir Kumar Biswas

Generative adversarial networks (GANs) have an enormous potential impact on digital content creation, e.g., photo-realistic digital avatars, semantic content editing, and quality enhancement of speech and images. However, the performance of…

Artificial Intelligence · Computer Science 2021-09-01 Pavel Andreev , Alexander Fritzler , Dmitry Vetrov

While originally designed for natural language processing tasks, the self-attention mechanism has recently taken various computer vision areas by storm. However, the 2D nature of images brings three challenges for applying self-attention in…

Computer Vision and Pattern Recognition · Computer Science 2022-07-12 Meng-Hao Guo , Cheng-Ze Lu , Zheng-Ning Liu , Ming-Ming Cheng , Shi-Min Hu

Although the capacity of deep generative models for image generation, such as Diffusion Models (DMs) and Generative Adversarial Networks (GANs), has dramatically improved in recent years, much of their success can be attributed to…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Emilio Morales-Juarez , Gibran Fuentes-Pineda

Generative adversial network (GAN) is a type of generative model that maps a high-dimensional noise to samples in target distribution. However, the dimension of noise required in GAN is not well understood. Previous approaches view GAN as a…

Computer Vision and Pattern Recognition · Computer Science 2024-03-15 Ziran Zhu , Tongda Xu , Ling Li , Yan Wang

Speech enhancement is an essential task of improving speech quality in noise scenario. Several state-of-the-art approaches have introduced visual information for speech enhancement,since the visual aspect of speech is essentially unaffected…

Audio and Speech Processing · Electrical Eng. & Systems 2022-04-21 Xinmeng Xu , Yang Wang , Dongxiang Xu , Yiyuan Peng , Cong Zhang , Jie Jia , Binbin Chen

In this paper we propose an attentive recurrent generative adversarial network (ARGAN) to detect and remove shadows in an image. The generator consists of multiple progressive steps. At each step a shadow attention detector is firstly…

Computer Vision and Pattern Recognition · Computer Science 2019-08-06 Bin Ding , Chengjiang Long , Ling Zhang , Chunxia Xiao

The generative adversarial network (GAN) framework has emerged as a powerful tool for various image and video synthesis tasks, allowing the synthesis of visual content in an unconditional or input-conditional manner. It has enabled the…

Computer Vision and Pattern Recognition · Computer Science 2020-12-01 Ming-Yu Liu , Xun Huang , Jiahui Yu , Ting-Chun Wang , Arun Mallya

Magnetic resonance image (MRI) reconstruction is a severely ill-posed linear inverse task demanding time and resource intensive computations that can substantially trade off {\it accuracy} for {\it speed} in real-time imaging. In addition,…

Computer Vision and Pattern Recognition · Computer Science 2017-06-02 Morteza Mardani , Enhao Gong , Joseph Y. Cheng , Shreyas Vasanawala , Greg Zaharchuk , Marcus Alley , Neil Thakur , Song Han , William Dally , John M. Pauly , Lei Xing

Generating images according to natural language descriptions is a challenging task. Prior research has mainly focused to enhance the quality of generation by investigating the use of spatial attention and/or textual attention thereby…

Computer Vision and Pattern Recognition · Computer Science 2022-01-17 Henning Schulze , Dogucan Yaman , Alexander Waibel

Generative Adversarial Networks (GANs) have shown impressive results in various image synthesis tasks. Vast studies have demonstrated that GANs are more powerful in feature and expression learning compared to other generative models and…

Computer Vision and Pattern Recognition · Computer Science 2025-04-09 Omar De Mitri , Ruyu Wang , Marco F. Huber

Noise and inconsistency commonly exist in real-world information networks, due to inherent error-prone nature of human or user privacy concerns. To date, tremendous efforts have been made to advance feature learning from networks, including…

Machine Learning · Computer Science 2019-12-30 Min Shi , Yufei Tang , Xingquan Zhu , Jianxun Liu

Generative adversarial networks (GANs) aim to generate realistic data from some prior distribution (e.g., Gaussian noises). However, such prior distribution is often independent of real data and thus may lose semantic information (e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2018-06-15 Jiezhang Cao , Yong Guo , Qingyao Wu , Chunhua Shen , Junzhou Huang , Mingkui Tan

Noise removal of images is an essential preprocessing procedure for many computer vision tasks. Currently, many denoising models based on deep neural networks can perform well in removing the noise with known distributions (i.e. the…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Wencong Wu , Guannan Lv , Yingying Duan , Peng Liang , Yungang Zhang , Yuelong Xia

The synthesis of computed tomography (CT) from magnetic resonance imaging (MRI) and cone-beam CT (CBCT) plays a critical role in clinical treatment planning by enabling accurate anatomical representation in adaptive radiotherapy. In this…

Computer Vision and Pattern Recognition · Computer Science 2026-01-16 Siyuan Mei , Yan Xia , Fuxin Fan , Andreas Maier

Low-dose computed tomography (CT) has attracted a major attention in the medical imaging field, since CT-associated x-ray radiation carries health risks for patients. The reduction of CT radiation dose, however, compromises the…

Computer Vision and Pattern Recognition · Computer Science 2019-07-16 Hongming Shan , Yi Zhang , Qingsong Yang , Uwe Kruger , Mannudeep K. Kalra , Ling Sun , Wenxiang Cong , Ge Wang

Deep learning has been successfully applied to low-dose CT (LDCT) image denoising for reducing potential radiation risk. However, the widely reported supervised LDCT denoising networks require a training set of paired images, which is…

Machine Learning · Computer Science 2023-02-09 Yuhui Ruan , Qiao Yuan , Chuang Niu , Chen Li , Yudong Yao , Ge Wang , Yueyang Teng

Low-dose computed tomography (LDCT) denoising is an important problem in CT research. Compared to the normal dose CT (NDCT), LDCT images are subjected to severe noise and artifacts. Recently in many studies, vision transformers have shown…

Image and Video Processing · Electrical Eng. & Systems 2023-03-29 Dayang Wang , Fenglei Fan , Zhan Wu , Rui Liu , Fei Wang , Hengyong Yu

While diffusion models have set a new benchmark for quality in Low-Dose Computed Tomography (LDCT) denoising, their clinical adoption is critically hindered by extreme computational costs, with inference times often exceeding thousands of…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Tangtangfang Fang , Jingxi Hu , Xiangjian He , Jiaqi Yang