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Computed tomography (CT) is important in clinical diagnosis, but acquiring high-resolution (HR) CT is constrained by radiation exposure risks. While deep learning-based super-resolution (SR) methods have shown promise for reconstructing HR…

Image and Video Processing · Electrical Eng. & Systems 2026-05-29 Jeonghyun Noh , Hyun-Jic Oh , Won-Ki Jeong

Most existing MRI reconstruction methods perform tar-geted reconstruction of the entire MR image without tak-ing specific tissue regions into consideration. This may fail to emphasize the reconstruction accuracy on im-portant tissues for…

Image and Video Processing · Electrical Eng. & Systems 2023-09-06 Yu Guan , Chuanming Yu , Shiyu Lu , Zhuoxu Cui , Dong Liang , Qiegen Liu

Video Diffusion Models (VDMs) have demonstrated remarkable capabilities in synthesizing realistic videos by learning from large-scale data. Although vanilla Low-Rank Adaptation (LoRA) can learn specific spatial or temporal movement to…

Computer Vision and Pattern Recognition · Computer Science 2025-07-09 Yisu Zhang , Chenjie Cao , Chaohui Yu , Jianke Zhu

While burst LR images are useful for improving the SR image quality compared with a single LR image, prior SR networks accepting the burst LR images are trained in a deterministic manner, which is known to produce a blurry SR image. In…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Kyotaro Tokoro , Kazutoshi Akita , Norimichi Ukita

Fine-tuning large diffusion models for custom applications demands substantial power and time, which poses significant challenges for efficient implementation on mobile devices. In this paper, we develop a novel training accelerator…

Graphics · Computer Science 2025-04-14 Jinming Lu , Minghao She , Wendong Mao , Zhongfeng Wang

Low-dose CT (LDCT) protocols reduce radiation exposure but increase image noise, compromising diagnostic confidence. Diffusion-based generative models have shown promise for LDCT denoising by learning image priors and performing iterative…

Computer Vision and Pattern Recognition · Computer Science 2025-08-14 Tomás de la Sotta , José M. Saavedra , Héctor Henríquez , Violeta Chang , Aline Xavier

Deep learning-based automated diagnosis of lung cancer has emerged as a crucial advancement that enables healthcare professionals to detect and initiate treatment earlier. However, these models require extensive training datasets with…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Aryan Goyal , Ashish Mittal , Pranav Rao , Manoj Tadepalli , Preetham Putha

Despite recent advances in photorealistic image generation through large-scale models like FLUX and Stable Diffusion v3, the practical deployment of these architectures remains constrained by their inherent intractability to parameter…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Zhiwen Li , Zhongjie Duan , Die Chen , Cen Chen , Daoyuan Chen , Yaliang Li , Yingda Chen

Medical image analysis plays a pivotal role in the early diagnosis of diseases such as skin lesions. However, the scarcity of data and the class imbalance significantly hinder the performance of deep learning models. We propose a novel…

Image and Video Processing · Electrical Eng. & Systems 2025-07-29 Zhaobin Xu

Limited-Angle Computed Tomography (LACT) is a challenging inverse problem where missing angular projections lead to incomplete sinograms and severe artifacts in the reconstructed images. While recent learning-based methods have demonstrated…

Image and Video Processing · Electrical Eng. & Systems 2025-07-09 Jiaqi Guo , Santiago López-Tapia

Developing robust deep learning models for fetal ultrasound image analysis requires comprehensive, high-quality datasets to effectively learn informative data representations within the domain. However, the scarcity of labelled ultrasound…

Image and Video Processing · Electrical Eng. & Systems 2024-07-30 Fangyijie Wang , Kevin Whelan , Guénolé Silvestre , Kathleen M. Curran

Low-dose computed tomography (LDCT) reduces patient radiation exposure but introduces substantial noise that degrades image quality and hinders diagnostic accuracy. Existing denoising approaches often require many diffusion steps, limiting…

Medical Physics · Physics 2025-10-29 Qiang Li , Mojtaba Safari , Shansong Wang , Huiqiao Xie , Jie Ding , Tonghe Wang , Xiaofeng Yang

The reconstruction of X-rays CT images from sparse or limited-angle geometries is a highly challenging task. The lack of data typically results in artifacts in the reconstructed image and may even lead to object distortions. For this…

Computer Vision and Pattern Recognition · Computer Science 2026-02-12 Davide Evangelista , Pasquale Cascarano , Elena Loli Piccolomini

The MEDVQA-GI challenge addresses the integration of AI-driven text-to-image generative models in medical diagnostics, aiming to enhance diagnostic capabilities through synthetic image generation. Existing methods primarily focus on static…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Ojonugwa Oluwafemi Ejiga Peter , Md Mahmudur Rahman , Fahmi Khalifa

Recently, diffusion models (DM) have been applied in magnetic resonance imaging (MRI) super-resolution (SR) reconstruction, exhibiting impressive performance, especially with regard to detailed reconstruction. However, the current DM-based…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Guangyuan Li , Chen Rao , Juncheng Mo , Zhanjie Zhang , Wei Xing , Lei Zhao

The recovery of high-quality images from images corrupted by lens flare presents a significant challenge in low-level vision. Contemporary deep learning methods frequently entail training a lens flare removing model from scratch. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-01-07 Tianwen Zhou , Qihao Duan , Zitong Yu

Drag-based editing within pretrained diffusion model provides a precise and flexible way to manipulate foreground objects. Traditional methods optimize the input feature obtained from DDIM inversion directly, adjusting them iteratively to…

Computer Vision and Pattern Recognition · Computer Science 2025-05-21 Siwei Xia , Li Sun , Tiantian Sun , Qingli Li

Recent works demonstrate a remarkable ability to customize text-to-image diffusion models while only providing a few example images. What happens if you try to customize such models using multiple, fine-grained concepts in a sequential…

Computer Vision and Pattern Recognition · Computer Science 2024-05-03 James Seale Smith , Yen-Chang Hsu , Lingyu Zhang , Ting Hua , Zsolt Kira , Yilin Shen , Hongxia Jin

High-resolution computed tomography (CT) imaging is essential for medical diagnosis but requires increased radiation exposure, creating a critical trade-off between image quality and patient safety. While deep learning methods have shown…

Image and Video Processing · Electrical Eng. & Systems 2025-06-16 Chunlei Li , Yilei Shi , Haoxi Hu , Jingliang Hu , Xiao Xiang Zhu , Lichao Mou

We propose DiffuStereo, a novel system using only sparse cameras (8 in this work) for high-quality 3D human reconstruction. At its core is a novel diffusion-based stereo module, which introduces diffusion models, a type of powerful…

Computer Vision and Pattern Recognition · Computer Science 2022-07-21 Ruizhi Shao , Zerong Zheng , Hongwen Zhang , Jingxiang Sun , Yebin Liu