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As the misuse of AI-generated images grows, generalizable image detection techniques are urgently needed. Recent state-of-the-art (SOTA) methods adopt aligned training datasets to reduce content, size, and format biases, empowering models…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Yiheng Li , Yang Yang , Zichang Tan , Gao Li , Zhen Lei , Wenhao Wang

X-ray CT often suffers from shadowing and streaking artifacts in the presence of metallic materials, which severely degrade imaging quality. Physically, the linear attenuation coefficients (LACs) of metals vary significantly with X-ray…

Computer Vision and Pattern Recognition · Computer Science 2025-01-16 Qing Wu , Xu Guo , Lixuan Chen , Yanyan Liu , Dongming He , Xudong Wang , Xueli Chen , Yifeng Zhang , S. Kevin Zhou , Jingyi Yu , Yuyao Zhang

Metal artefacts in CT images may disrupt image quality and interfere with diagnosis. Recently many deep-learning-based CT metal artefact reduction (MAR) methods have been proposed. Current deep MAR methods may be troubled with domain gap…

Computer Vision and Pattern Recognition · Computer Science 2021-11-29 Muge Du , Kaichao Liang , Yinong Liu , Yuxiang Xing

Multi-contrast MRI acquisitions of an anatomy enrich the magnitude of information available for diagnosis. Yet, excessive scan times associated with additional contrasts may be a limiting factor. Two mainstream approaches for enhanced scan…

Computer Vision and Pattern Recognition · Computer Science 2018-05-29 Salman Ul Hassan Dar , Mahmut Yurt , Mohammad Shahdloo , Muhammed Emrullah Ildız , Tolga Çukur

We present a learned image compression system based on GANs, operating at extremely low bitrates. Our proposed framework combines an encoder, decoder/generator and a multi-scale discriminator, which we train jointly for a generative learned…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Eirikur Agustsson , Michael Tschannen , Fabian Mentzer , Radu Timofte , Luc Van Gool

Potential radioactive hazards in full-dose positron emission tomography (PET) imaging remain a concern, whereas the quality of low-dose images is never desirable for clinical use. So it is of great interest to translate low-dose PET images…

Image and Video Processing · Electrical Eng. & Systems 2023-06-06 Yang Zhou , Zhiwen Yang , Hui Zhang , Eric I-Chao Chang , Yubo Fan , Yan Xu

This paper proposes a deep learning-based denoising method for noisy low-dose computerized tomography (CT) images in the absence of paired training data. The proposed method uses a fidelity-embedded generative adversarial network (GAN) to…

Computer Vision and Pattern Recognition · Computer Science 2019-08-13 Hyoung Suk Park , Jineon Baek , Sun Kyoung You , Jae Kyu Choi , Jin Keun Seo

Multiscale simulations are demanding in terms of computational resources. In the context of continuum micromechanics, the multiscale problem arises from the need of inferring macroscopic material parameters from the microscale. If the…

Materials Science · Physics 2022-08-12 Alexander Henkes , Henning Wessels

Convolutional Neural Networks have achieved significant success across multiple computer vision tasks. However, they are vulnerable to carefully crafted, human-imperceptible adversarial noise patterns which constrain their deployment in…

Computer Vision and Pattern Recognition · Computer Science 2020-01-08 Aamir Mustafa , Salman H. Khan , Munawar Hayat , Jianbing Shen , Ling Shao

Recent approaches in generative adversarial networks (GANs) can automatically synthesize realistic images from descriptive text. Despite the overall fair quality, the generated images often expose visible flaws that lack structural…

Computer Vision and Pattern Recognition · Computer Science 2017-08-31 Miriam Cha , Youngjune Gwon , H. T. Kung

In this paper, we introduce novel lightweight generative adversarial networks, which can effectively capture long-range dependencies in the image generation process, and produce high-quality results with a much simpler architecture. To…

Computer Vision and Pattern Recognition · Computer Science 2022-09-09 Bowen Li , Thomas Lukasiewicz

Despite recent advancements, text-to-image generation models often produce images containing artifacts, especially in human figures. These artifacts appear as poorly generated human bodies, including distorted, missing, or extra body parts,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Kaihong Wang , Lingzhi Zhang , Jianming Zhang

While deep neural networks have achieved remarkable success in various computer vision tasks, they often fail to generalize to new domains and subtle variations of input images. Several defenses have been proposed to improve the robustness…

Computer Vision and Pattern Recognition · Computer Science 2021-09-08 Omid Poursaeed , Tianxing Jiang , Harry Yang , Serge Belongie , SerNam Lim

The increasingly photorealistic sample quality of generative image models suggests their feasibility in applications beyond image generation. We present the Neural Photo Editor, an interface that leverages the power of generative neural…

Machine Learning · Computer Science 2017-02-07 Andrew Brock , Theodore Lim , J. M. Ritchie , Nick Weston

In this work we propose an adversarial learning approach to generate high resolution MRI scans from low resolution images. The architecture, based on the SRGAN model, adopts 3D convolutions to exploit volumetric information. For the…

Computer Vision and Pattern Recognition · Computer Science 2019-01-01 Irina Sanchez , Veronica Vilaplana

Recently, Generative Adversarial Network (GAN) has been found wide applications in style transfer, image-to-image translation and image super-resolution. In this paper, a color-depth conditional GAN is proposed to concurrently resolve the…

Computer Vision and Pattern Recognition · Computer Science 2018-11-29 Lijun Zhao , Huihui Bai , Jie Liang , Bing Zeng , Anhong Wang , Yao Zhao

The positive outcome of a trauma intervention depends on an intraoperative evaluation of inserted metallic implants. Due to occurring metal artifacts, the quality of this evaluation heavily depends on the performance of so-called Metal…

Image and Video Processing · Electrical Eng. & Systems 2021-12-07 Tristan M. Gottschalk , Andreas Maier , Florian Kordon , Björn W. Kreher

Synthesizing geometrical shapes from human brain activities is an interesting and meaningful but very challenging topic. Recently, the advancements of deep generative models like Generative Adversarial Networks (GANs) have supported the…

Signal Processing · Electrical Eng. & Systems 2020-03-02 Xiang Zhang , Xiaocong Chen , Manqing Dong , Huan Liu , Chang Ge , Lina Yao

Compared with transferable untargeted attacks, transferable targeted adversarial attacks could specify the misclassification categories of adversarial samples, posing a greater threat to security-critical tasks. In the meanwhile, 3D…

Computer Vision and Pattern Recognition · Computer Science 2024-06-11 Yao Huang , Yinpeng Dong , Shouwei Ruan , Xiao Yang , Hang Su , Xingxing Wei

Computed medical imaging systems require a computational reconstruction procedure for image formation. In order to recover a useful estimate of the object to-be-imaged when the recorded measurements are incomplete, prior knowledge about the…

Image and Video Processing · Electrical Eng. & Systems 2022-02-21 Varun A. Kelkar , Mark A. Anastasio