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Annotation variability remains a substantial challenge in medical image segmentation, stemming from ambiguous imaging boundaries and diverse clinical expertise. Traditional deep learning methods producing single deterministic segmentation…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Han Zhang , Xiangde Luo , Yong Chen , Kang Li

In the real world, medical datasets often exhibit a long-tailed data distribution (i.e., a few classes occupy the majority of the data, while most classes have only a limited number of samples), which results in a challenging long-tailed…

Computer Vision and Pattern Recognition · Computer Science 2023-03-22 Lie Ju , Zhen Yu , Lin Wang , Xin Zhao , Xin Wang , Paul Bonnington , Zongyuan Ge

Recent advancements in diffusion models have significantly improved performance in super-resolution (SR) tasks. However, previous research often overlooks the fundamental differences between SR and general image generation. General image…

Image and Video Processing · Electrical Eng. & Systems 2024-10-31 Hanlin Wu , Jiangwei Mo , Xiaohui Sun , Jie Ma

Diabetes is a globally prevalent disease that can cause visible microvascular complications such as diabetic retinopathy and macular edema in the human eye retina, the images of which are today used for manual disease screening. This…

Image and Video Processing · Electrical Eng. & Systems 2019-04-19 Jaakko Sahlsten , Joel Jaskari , Jyri Kivinen , Lauri Turunen , Esa Jaanio , Kustaa Hietala , Kimmo Kaski

In this paper, a method is presented for superimposition (i.e. registration) of eye fundus images from persons with diabetes screened over many years for diabetic retinopathy. The method is fully automatic and robust to camera changes and…

Computer Vision and Pattern Recognition · Computer Science 2018-11-28 Guillaume Noyel , Rebecca Thomas , Gavin Bhakta , Andrew Crowder , David Owens , Peter Boyle

Diffusion models have achieved significant progress in image generation. The pre-trained Stable Diffusion (SD) models are helpful for image deblurring by providing clear image priors. However, directly using a blurry image or pre-deblurred…

Computer Vision and Pattern Recognition · Computer Science 2025-02-07 Lingshun Kong , Jiawei Zhang , Dongqing Zou , Jimmy Ren , Xiaohe Wu , Jiangxin Dong , Jinshan Pan

Although the diffusion model has achieved remarkable performance in the field of image generation, its high inference delay hinders its wide application in edge devices with scarce computing resources. Therefore, many training-free sampling…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Weilun Feng , Chuanguang Yang , Zhulin An , Libo Huang , Boyu Diao , Fei Wang , Yongjun Xu

Recent advancements in image restoration increasingly employ conditional latent diffusion models (CLDMs). While these models have demonstrated notable performance improvements in recent years, this work questions their suitability for IR…

Computer Vision and Pattern Recognition · Computer Science 2024-12-16 Yunchen Yuan , Junyuan Xiao , Xinjie Li

In medical imaging, the diffusion models have shown great potential for synthetic image generation tasks. However, these approaches often lack the interpretable connections between the generated and real images and can create anatomically…

Image and Video Processing · Electrical Eng. & Systems 2026-02-12 Jian-Qing Zheng , Yuanhan Mo , Yang Sun , Jiahua Li , Fuping Wu , Ziyang Wang , Tonia Vincent , Bartłomiej W. Papież

Acquiring high-quality data for training discriminative models is a crucial yet challenging aspect of building effective predictive systems. In this paper, we present Diffusion Inversion, a simple yet effective method that leverages the…

Computer Vision and Pattern Recognition · Computer Science 2023-05-25 Yongchao Zhou , Hshmat Sahak , Jimmy Ba

This paper presents dilated Residual Network (ResNet) models for disease classification from retinal fundus images. Dilated convolution filters are used to replace normal convolution filters in the higher layers of the ResNet model (dilated…

Image and Video Processing · Electrical Eng. & Systems 2024-09-04 P. N. Karthikayan , Yoga Sri Varshan , Hitesh Gupta Kattamuri , Umarani Jayaraman

Generating visual layouts is an essential ingredient of graphic design. The ability to condition layout generation on a partial subset of component attributes is critical to real-world applications that involve user interaction. Recently,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-08 Elad Levi , Eli Brosh , Mykola Mykhailych , Meir Perez

Many variables of interest in clinical medicine, like disease severity, are recorded using discrete ordinal categories such as normal/mild/moderate/severe. These labels are used to train and evaluate disease severity prediction models.…

Patients with long-standing diabetes often fall prey to Diabetic Retinopathy (DR) resulting in changes in the retina of the human eye, which may lead to loss of vision in extreme cases. The aim of this study is two-fold: (a) create deep…

Image and Video Processing · Electrical Eng. & Systems 2021-08-17 Shaswat Patel , Maithili Lohakare , Samyak Prajapati , Shaanya Singh , Nancy Patel

Diffusion models generate high-quality images through progressive denoising but are computationally intensive due to large model sizes and repeated sampling. Knowledge distillation, which transfers knowledge from a complex teacher to a…

Machine Learning · Computer Science 2025-04-04 Dohyun Kim , Sehwan Park , Geonhee Han , Seung Wook Kim , Paul Hongsuck Seo

Denoising diffusion models have emerged as the go-to generative framework for solving inverse problems in imaging. A critical concern regarding these models is their performance on out-of-distribution tasks, which remains an under-explored…

Computer Vision and Pattern Recognition · Computer Science 2025-01-29 Riccardo Barbano , Alexander Denker , Hyungjin Chung , Tae Hoon Roh , Simon Arridge , Peter Maass , Bangti Jin , Jong Chul Ye

Out-of-distribution (OOD) detection is essential to improve the reliability of machine learning models by detecting samples that do not belong to the training distribution. Detecting OOD samples effectively in certain tasks can pose a…

Computer Vision and Pattern Recognition · Computer Science 2023-11-02 Divyanshu Mishra , He Zhao , Pramit Saha , Aris T. Papageorghiou , J. Alison Noble

We present a dynamic model in which the weights are conditioned on an input sample x and are learned to match those that would be obtained by finetuning a base model on x and its label y. This mapping between an input sample and network…

Machine Learning · Computer Science 2023-06-12 Shahar Lutati , Lior Wolf

Deep generative models have demonstrated remarkable success in medical image synthesis. However, ensuring conditioning faithfulness and high-quality synthetic images for direct or counterfactual generation remains a challenge. In this work,…

Computer Vision and Pattern Recognition · Computer Science 2025-10-31 Fangrui Huang , Alan Wang , Binxu Li , Bailey Trang , Ridvan Yesiloglu , Tianyu Hua , Wei Peng , Ehsan Adeli

Diabetic Retinopathy (DR) is a serious microvascular complication of diabetes, and one of the leading causes of vision loss worldwide. Although automated detection and grading, with Deep Learning (DL), can reduce the burden on…

Image and Video Processing · Electrical Eng. & Systems 2026-04-06 Shramana Dey , Zahir Khan , T. A. PramodKumar , B. Uma Shankar , Ashis K. Dhara , Ramachandran Rajalakshmi , Rajiv Raman , Sushmita Mitra