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We present MInDI-3D (Medical Inversion by Direct Iteration in 3D), the first 3D conditional diffusion-based model for real-world sparse-view Cone Beam Computed Tomography (CBCT) artefact removal, aiming to reduce imaging radiation exposure.…

Medical head CT-scan imaging has been successfully combined with deep learning for medical diagnostics of head diseases and lesions[1]. State of the art classification models and algorithms for this task usually are based on 3d convolution…

计算机视觉与模式识别 · 计算机科学 2020-10-21 Luis Leal , Marvin Castillo , Fernando Juarez , Erick Ramirez , Mildred Aspuac , Diana Letona

Deep learning models have revolutionized the field of medical image analysis, offering significant promise for improved diagnostics and patient care. However, their performance can be misleadingly optimistic due to a hidden pitfall called…

图像与视频处理 · 电气工程与系统科学 2025-05-12 Dewinda Julianensi Rumala

Deep learning-based segmentation techniques have shown remarkable performance in brain segmentation, yet their success hinges on the availability of extensive labeled training data. Acquiring such vast datasets, however, poses a significant…

计算机视觉与模式识别 · 计算机科学 2024-07-18 Jihoon Cho , Suhyun Ahn , Beomju Kim , Hyungjoon Bae , Xiaofeng Liu , Fangxu Xing , Kyungeun Lee , Georges Elfakhri , Van Wedeen , Jonghye Woo , Jinah Park

Recently, large-scale text-to-image (T2I) diffusion models have emerged as a powerful tool for image-to-image translation (I2I), allowing open-domain image translation via user-provided text prompts. This paper proposes frequency-controlled…

计算机视觉与模式识别 · 计算机科学 2025-03-28 Xiang Gao , Zhengbo Xu , Junhan Zhao , Jiaying Liu

Diffusion models (DMs) have enabled breakthroughs in image synthesis tasks but lack an intuitive interface for consistent image-to-image (I2I) translation. Various methods have been explored to address this issue, including mask-based…

计算机视觉与模式识别 · 计算机科学 2024-03-12 Sihan Xu , Ziqiao Ma , Yidong Huang , Honglak Lee , Joyce Chai

Few-Shot Medical Image Segmentation (FSMIS) aims to segment novel object classes in medical images using only minimal annotated examples, addressing the critical challenges of data scarcity and domain shifts prevalent in medical imaging.…

计算机视觉与模式识别 · 计算机科学 2026-04-10 Meihua Li , Yang Zhang , Weizhao He , Hu Qu , Yisong Li

Brain-to-Image reconstruction aims to recover visual stimuli perceived by humans from brain activity. However, the reconstructed visual stimuli often missing details and semantic inconsistencies, which may be attributed to insufficient…

计算机视觉与模式识别 · 计算机科学 2025-05-30 Runze Xia , Shuo Feng , Renzhi Wang , Congchi Yin , Xuyun Wen , Piji Li

Image segmentation plays a pivotal role in several medical-imaging applications by assisting the segmentation of the regions of interest. Deep learning-based approaches have been widely adopted for semantic segmentation of medical data. In…

图像与视频处理 · 电气工程与系统科学 2021-01-20 Abhishek Shivdeo , Rohit Lokwani , Viraj Kulkarni , Amit Kharat , Aniruddha Pant

Magnetic Resonance Imaging (MRI) is a technology for non-invasive imaging of anatomical features in detail. It can help in functional analysis of organs of a specimen but it is very costly. In this work, methods for (i) virtual…

图像与视频处理 · 电气工程与系统科学 2023-03-17 Somoballi Ghoshal , Shremoyee Goswami , Amlan Chakrabarti , Susmita Sur-Kolay

Three-dimensional (3D) multi-slab imaging is a promising approach for high-resolution in vivo diffusion MRI (dMRI) due to its compatibility with short TR (1-2 s), providing optimal signal-to-noise ratio (SNR) efficiency. A major challenge,…

医学物理 · 物理学 2026-02-10 Ziyu Li , Karla L. Miller , Wenchuan Wu

In this paper, we adopt 3D Convolutional Neural Networks to segment volumetric medical images. Although deep neural networks have been proven to be very effective on many 2D vision tasks, it is still challenging to apply them to 3D tasks…

计算机视觉与模式识别 · 计算机科学 2018-08-03 Zhuotun Zhu , Yingda Xia , Wei Shen , Elliot K. Fishman , Alan L. Yuille

The infant brain undergoes rapid development in the first few years after birth.Compared to cross-sectional studies, longitudinal studies can depict the trajectories of infants brain development with higher accuracy, statistical power and…

图像与视频处理 · 电气工程与系统科学 2024-05-20 Zihao Zhu , Tianli Tao , Yitian Tao , Haowen Deng , Xinyi Cai , Gaofeng Wu , Kaidong Wang , Haifeng Tang , Lixuan Zhu , Zhuoyang Gu , Jiawei Huang , Dinggang Shen , Han Zhang

The purpose of this study is to present and compare three denoising diffusion probabilistic models (DDPMs) that generate 3D $T_1$-weighted MRI human brain images. Three DDPMs were trained using 80,675 image volumes from 42,406 subjects…

图像与视频处理 · 电气工程与系统科学 2025-11-03 Samuel W. Remedios , Aaron Carass , Jerry L. Prince , Blake E. Dewey

Text-to-image (T2I) generation with Stable Diffusion models (SDMs) involves high computing demands due to billion-scale parameters. To enhance efficiency, recent studies have reduced sampling steps and applied network quantization while…

机器学习 · 计算机科学 2024-12-03 Bo-Kyeong Kim , Hyoung-Kyu Song , Thibault Castells , Shinkook Choi

Recent advances in Vision Transformers (ViTs) have significantly enhanced medical image segmentation by facilitating the learning of global relationships. However, these methods face a notable challenge in capturing diverse local and global…

图像与视频处理 · 电气工程与系统科学 2024-07-11 Szymon Płotka , Maciej Chrabaszcz , Przemyslaw Biecek

This study investigates a 3D and fully convolutional neural network (CNN) for subcortical brain structure segmentation in MRI. 3D CNN architectures have been generally avoided due to their computational and memory requirements during…

计算机视觉与模式识别 · 计算机科学 2017-04-21 J. Dolz , C. Desrosiers , I. Ben Ayed

The text to medical image (T2MedI) with latent diffusion model has great potential to alleviate the scarcity of medical imaging data and explore the underlying appearance distribution of lesions in a specific patient status description.…

计算机视觉与模式识别 · 计算机科学 2025-01-09 Xu Han , Fangfang Fan , Jingzhao Rong , Zhen Li , Georges El Fakhri , Qingyu Chen , Xiaofeng Liu

Computed tomography (CT) provides rich 3D anatomical details but is often constrained by high radiation exposure, substantial costs, and limited availability. While standard chest X-rays are cost-effective and widely accessible, they only…

计算机视觉与模式识别 · 计算机科学 2026-03-30 Martin Rath , Morteza Ghahremani , Yitong Li , Ashkan Taghipour , Marcus Makowski , Christian Wachinger

Reconstructing images seen by people from their fMRI brain recordings provides a non-invasive window into the human brain. Despite recent progress enabled by diffusion models, current methods often lack faithfulness to the actual seen…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Roman Beliy , Amit Zalcher , Jonathan Kogman , Navve Wasserman , Michal Irani