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There are quite a number of photographs captured under undesirable conditions in the last century. Thus, they are often noisy, regionally incomplete, and grayscale formatted. Conventional approaches mainly focus on one point so that those…

Computer Vision and Pattern Recognition · Computer Science 2020-11-25 Zhao Yuzhi , Po Lai-Man , Wang Xuehui , Liu Kangcheng , Zhang Yujia , Yu Wing-Yin , Xian Pengfei , Xiong Jingjing

The cycleGAN is becoming an influential method in medical image synthesis. However, due to a lack of direct constraints between input and synthetic images, the cycleGAN cannot guarantee structural consistency between these two images, and…

Computer Vision and Pattern Recognition · Computer Science 2018-09-13 Heran Yang , Jian Sun , Aaron Carass , Can Zhao , Junghoon Lee , Zongben Xu , Jerry Prince

The success of deep learning is partly attributed to the availability of massive data downloaded freely from the Internet. However, it also means that users' private data may be collected by commercial organizations without consent and used…

Computer Vision and Pattern Recognition · Computer Science 2022-12-06 Qi Tian , Kun Kuang , Kelu Jiang , Furui Liu , Zhihua Wang , Fei Wu

The progress in generative models, particularly Generative Adversarial Networks (GANs), opened new possibilities for image generation but raised concerns about potential malicious uses, especially in sensitive areas like medical imaging.…

Image and Video Processing · Electrical Eng. & Systems 2024-10-07 Giovanni Pasqualino , Luca Guarnera , Alessandro Ortis , Sebastiano Battiato

To effectively process impulse noise for narrowband powerline communications (NB-PLCs) transceivers, capturing comprehensive statistics of nonperiodic asynchronous impulsive noise (APIN) is a critical task. However, existing mathematical…

Signal Processing · Electrical Eng. & Systems 2025-10-30 Ying-Ren Chien , Po-Heng Chou , You-Jie Peng , Chun-Yuan Huang , Hen-Wai Tsao , Yu Tsao

Image generation with explicit condition or label generally works better than unconditional methods. In modern GAN frameworks, both generator and discriminator are formulated to model the conditional distribution of images given with…

Computer Vision and Pattern Recognition · Computer Science 2020-10-22 Minje Park

Computed tomography (CT) is a beneficial imaging tool for diagnostic purposes. CT scans provide detailed information concerning the internal anatomic structures of a patient, but present higher radiation dose and costs compared to X-ray…

Image and Video Processing · Electrical Eng. & Systems 2024-03-05 Benjamin Paulson , Joshua Goldshteyn , Sydney Balboni , John Cisler , Andrew Crisler , Natalia Bukowski , Julia Kalish , Theodore Colwell

Conditional Generative Adversarial Networks (cGANs) have enabled controllable image synthesis for many vision and graphics applications. However, recent cGANs are 1-2 orders of magnitude more compute-intensive than modern recognition CNNs.…

Computer Vision and Pattern Recognition · Computer Science 2021-11-12 Muyang Li , Ji Lin , Yaoyao Ding , Zhijian Liu , Jun-Yan Zhu , Song Han

SUMMARY : We developed a user-friendly software to generate synthetic confocal microscopy images from a ground truth specified as a 3D bitmap with pixels of arbitrary size. The software can analyze a real confocal stack to derivate noise…

Computer Vision and Pattern Recognition · Computer Science 2016-11-22 Serge Dmitrieff , François Nédélec

This paper newly introduces multi-modality loss function for GAN-based super-resolution that can maintain image structure and intensity on unpaired training dataset of clinical CT and micro CT volumes. Precise non-invasive diagnosis of lung…

Image and Video Processing · Electrical Eng. & Systems 2020-04-08 Tong Zheng , Hirohisa Oda , Takayasu Moriya , Shota Nakamura , Masahiro Oda , Masaki Mori , Horitsugu Takabatake , Hiroshi Natori , Kensaku Mori

Data augmentation can effectively resolve a scarcity of images when training machine-learning algorithms. It can make them more robust to unseen images. We present a lesion conditional Generative Adversarial Network LcGAN to generate…

Image and Video Processing · Electrical Eng. & Systems 2020-08-10 Manohar Karki , Junghwan Cho , Seokhwan Ko

Recently deep learning methods, in particular, convolutional neural networks (CNNs), have led to a massive breakthrough in the range of computer vision. Also, the large-scale annotated dataset is the essential key to a successful training…

Image and Video Processing · Electrical Eng. & Systems 2020-11-17 Chang Qi , Junyang Chen , Guizhi Xu , Zhenghua Xu , Thomas Lukasiewicz , Yang Liu

Ultrasound (US) imaging is widely used for anatomical structure inspection in clinical diagnosis. The training of new sonographers and deep learning based algorithms for US image analysis usually requires a large amount of data. However,…

Image and Video Processing · Electrical Eng. & Systems 2022-05-26 Jiamin Liang , Xin Yang , Yuhao Huang , Haoming Li , Shuangchi He , Xindi Hu , Zejian Chen , Wufeng Xue , Jun Cheng , Dong Ni

We propose a GAN-based image compression method working at extremely low bitrates below 0.1bpp. Most existing learned image compression methods suffer from blur at extremely low bitrates. Although GAN can help to reconstruct sharp images,…

Image and Video Processing · Electrical Eng. & Systems 2023-06-01 Shoma Iwai , Tomo Miyazaki , Yoshihiro Sugaya , Shinichiro Omachi

Many CT slice images are stored with large slice intervals to reduce storage size in clinical practice. This leads to low resolution perpendicular to the slice images (i.e., z-axis), which is insufficient for 3D visualization or image…

Image and Video Processing · Electrical Eng. & Systems 2019-09-04 Akira Kudo , Yoshiro Kitamura , Yuanzhong Li , Satoshi Iizuka , Edgar Simo-Serra

A powerful simulator highly decreases the need for real-world tests when training and evaluating autonomous vehicles. Data-driven simulators flourished with the recent advancement of conditional Generative Adversarial Networks (cGANs),…

Computer Vision and Pattern Recognition · Computer Science 2021-12-10 Saeed Saadatnejad , Siyuan Li , Taylor Mordan , Alexandre Alahi

The performance of face photo-sketch translation has improved a lot thanks to deep neural networks. GAN based methods trained on paired images can produce high-quality results under laboratory settings. Such paired datasets are, however,…

Computer Vision and Pattern Recognition · Computer Science 2023-07-21 Chaofeng Chen , Wei Liu , Xiao Tan , Kwan-Yee K. Wong

Most of the Deep Neural Networks (DNNs) based CT image denoising literature shows that DNNs outperform traditional iterative methods in terms of metrics such as the RMSE, the PSNR and the SSIM. In many instances, using the same metrics, the…

Computer Vision and Pattern Recognition · Computer Science 2021-11-19 Prabhat KC , Rongping Zeng , M. Mehdi Farhangi , Kyle J. Myers

Low-dose computed tomography (LDCT) reduces radiation exposure but suffers from image artifacts and loss of detail due to quantum and electronic noise, potentially impacting diagnostic accuracy. Transformer combined with diffusion models…

Image and Video Processing · Electrical Eng. & Systems 2025-07-01 Qiqing Liu , Guoquan Wei , Zekun Zhou , Yiyang Wen , Liu Shi , Qiegen Liu

Repeated computed tomography (CT) scans are required in some clinical applications such as image-guided radiotherapy and follow-up observations over a time period. To optimize the radiation dose utility, a normal-dose (or full-dose) CT scan…

Medical Physics · Physics 2017-02-23 Hao Zhang , Jianhua Ma , William Moore , Zhengrong Liang