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Data scarcity in medical imaging poses significant challenges due to privacy concerns. Diffusion models, a recent generative modeling technique, offer a potential solution by generating synthetic and realistic data. However, questions…

Image and Video Processing · Electrical Eng. & Systems 2024-12-24 Abdullah al Nomaan Nafi , Md. Alamgir Hossain , Rakib Hossain Rifat , Md Mahabub Uz Zaman , Md Manjurul Ahsan , Shivakumar Raman

Histopathological image segmentation is a laborious and time-intensive task, often requiring analysis from experienced pathologists for accurate examinations. To reduce this burden, supervised machine-learning approaches have been adopted…

Computer Vision and Pattern Recognition · Computer Science 2024-09-12 Vishnuvardhan Purma , Suhas Srinath , Seshan Srirangarajan , Aanchal Kakkar , Prathosh A. P

We introduce the Fixed Point Diffusion Model (FPDM), a novel approach to image generation that integrates the concept of fixed point solving into the framework of diffusion-based generative modeling. Our approach embeds an implicit fixed…

Computer Vision and Pattern Recognition · Computer Science 2024-01-18 Xingjian Bai , Luke Melas-Kyriazi

Medical image segmentation is a critical step in computer-aided diagnosis, and convolutional neural networks are popular segmentation networks nowadays. However, the inherent local operation characteristics make it difficult to focus on the…

Computer Vision and Pattern Recognition · Computer Science 2023-05-18 Fenghe Tang , Jianrui Ding , Lingtao Wang , Min Xian , Chunping Ning

Diffusion Probabilistic Models (DPMs) have demonstrated significant potential in 3D medical image segmentation tasks. However, their high computational cost and inability to fully capture global 3D contextual information limit their…

Image and Video Processing · Electrical Eng. & Systems 2025-04-17 Kangbo Ma

Medical image classification is one of the most critical problems in the image recognition area. One of the major challenges in this field is the scarcity of labelled training data. Additionally, there is often class imbalance in datasets…

Image and Video Processing · Electrical Eng. & Systems 2022-09-29 Khushboo Mehra , Hassan Soliman , Soumya Ranjan Sahoo

The development of robust artificial intelligence models for histopathology diagnosis is severely constrained by the scarcity of expert-annotated lesion data, particularly for rare pathologies and underrepresented disease subtypes. While…

Computer Vision and Pattern Recognition · Computer Science 2026-01-14 Mohamad Koohi-Moghadam , Mohammad-Ali Nikouei Mahani , Kyongtae Tyler Bae

Denoising Diffusion Probabilistic Models (DDPMs) have achieved remarkable success in various image generation tasks compared with Generative Adversarial Nets (GANs). Recent work on semantic image synthesis mainly follows the de facto…

Computer Vision and Pattern Recognition · Computer Science 2026-01-22 Wengang Zhou , Weilun Wang , Jianmin Bao , Dongdong Chen , Dong Chen , Lu Yuan , Houqiang Li

Large annotated datasets are required for training deep learning models, but in medical imaging data sharing is often complicated due to ethics, anonymization and data protection legislation. Generative AI models, such as generative…

Image and Video Processing · Electrical Eng. & Systems 2024-01-08 Muhammad Usman Akbar , Måns Larsson , Anders Eklund

Medical imaging applications are highly specialized in terms of human anatomy, pathology, and imaging domains. Therefore, annotated training datasets for training deep learning applications in medical imaging not only need to be highly…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Arjun Krishna , Ge Wang , Klaus Mueller

The recently emerging conditional diffusion models seem promising for mitigating the labor and expenses in building large 3D medical imaging datasets. However, previous studies on 3D CT generation primarily focus on specific organs…

Image and Video Processing · Electrical Eng. & Systems 2025-12-02 Linrui Dai , Rongzhao Zhang , Yongrui Yu , Xiaofan Zhang

Magnetic resonance (MR) imaging, including cardiac MR, is prone to domain shift due to variations in imaging devices and acquisition protocols. This challenge limits the deployment of trained AI models in real-world scenarios, where…

Computer Vision and Pattern Recognition · Computer Science 2025-08-11 Xin Ci Wong , Duygu Sarikaya , Kieran Zucker , Marc De Kamps , Nishant Ravikumar

Deep learning in medical imaging is often limited by scarce and imbalanced annotated data. We present SSGNet, a unified framework that combines class specific generative modeling with iterative semisupervised pseudo labeling to enhance both…

Computer Vision and Pattern Recognition · Computer Science 2025-10-08 Mosong Ma , Tania Stathaki , Michalis Lazarou

In the realm of high-resolution (HR), fine-grained image segmentation, the primary challenge is balancing broad contextual awareness with the precision required for detailed object delineation, capturing intricate details and the finest…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Qian Yu , Peng-Tao Jiang , Hao Zhang , Jinwei Chen , Bo Li , Lihe Zhang , Huchuan Lu

Evaluating diffusion-based image-editing models is a crucial task in the field of Generative AI. Specifically, it is imperative to assess their capacity to execute diverse editing tasks while preserving the image content and realism. While…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Stefan Stefanache , Lluís Pastor Pérez , Julen Costa Watanabe , Ernesto Sanchez Tejedor , Thomas Hofmann , Enis Simsar

Augmentation for dense prediction typically relies on either sample mixing or generative synthesis. Mixing improves robustness but misaligned masks yield soft label ambiguity. Diffusion synthesis increases apparent diversity but, when…

Computer Vision and Pattern Recognition · Computer Science 2025-11-06 Pengyu Jie , Wanquan Liu , Rui He , Yihui Wen , Deyu Meng , Chenqiang Gao

The lack of real-world data in clinical fields poses a major obstacle in training effective AI models for diagnostic and preventive tools in medicine. Generative AI has shown promise in increasing data volume and enhancing model training,…

Machine Learning · Computer Science 2026-02-10 Md Shahriar Kabir , Sana Alamgeer , Minakshi Debnath , Anne H. H. Ngu

The Class Incremental Semantic Segmentation (CISS) extends the traditional segmentation task by incrementally learning newly added classes. Previous work has introduced generative replay, which involves replaying old class samples generated…

Computer Vision and Pattern Recognition · Computer Science 2023-08-03 Jingfan Chen , Yuxi Wang , Pengfei Wang , Xiao Chen , Zhaoxiang Zhang , Zhen Lei , Qing Li

In today's age of social media and marketing, copyright issues can be a major roadblock to the free sharing of images. Generative AI models have made it possible to create high-quality images, but concerns about copyright infringement are a…

Computer Vision and Pattern Recognition · Computer Science 2025-05-23 Mazharul Islam Rakib , Showrin Rahman , Joyanta Jyoti Mondal , Xi Xiao , David Lewis , Alessandra Mileo , Meem Arafat Manab

Diffusion Generative Models (DGM) have rapidly surfaced as emerging topics in the field of computer vision, garnering significant interest across a wide array of deep learning applications. Despite their high computational demand, these…

Image and Video Processing · Electrical Eng. & Systems 2024-11-26 Denisha Thakkar , Vincent Quoc-Huy Trinh , Sonal Varma , Samira Ebrahimi Kahou , Hassan Rivaz , Mahdi S. Hosseini