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Early and accurate detection through Pap smear analysis is critical to improving patient outcomes and reducing mortality of Cervical cancer. State-of-the-art (SOTA) Convolutional Neural Networks (CNNs) require substantial computational…

Tissues and Organs · Quantitative Biology 2025-09-23 Saifuddin Sagor , Md Taimur Ahad , Faruk Ahmed , Rokonozzaman Ayon , Sanzida Parvin

Diffeomorphic image registration is a fundamental step in medical image analysis, owing to its capability to ensure the invertibility of transformations and preservation of topology. Currently, unsupervised learning-based registration…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Jiong Wu , Shuang Zhou , Li Lin , Xin Wang , Wenxue Tan

Data-driven deep learning approaches to image registration can be less accurate than conventional iterative approaches, especially when training data is limited. To address this whilst retaining the fast inference speed of deep learning, we…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Xi Jia , Alexander Thorley , Wei Chen , Huaqi Qiu , Linlin Shen , Iain B Styles , Hyung Jin Chang , Ales Leonardis , Antonio de Marvao , Declan P. O'Regan , Daniel Rueckert , Jinming Duan

Deformable image registration (alignment) is highly sought after in numerous clinical applications, such as computer aided diagnosis and disease progression analysis. Deep Convolutional Neural Network (DCNN)-based image registration methods…

Image and Video Processing · Electrical Eng. & Systems 2024-05-17 Ruizhe Li , Grazziela Figueredo , Dorothee Auer , Christian Wagner , Xin Chen

Though, deep learning based medical image registration is currently starting to show promising advances, often, it still fells behind conventional frameworks in terms of registration accuracy. This is especially true for applications where…

Computer Vision and Pattern Recognition · Computer Science 2020-05-28 Lasse Hansen , Mattias P. Heinrich

Recent studies have shown that lung cancer screening using annual low-dose computed tomography (CT) reduces lung cancer mortality by 20% compared to traditional chest radiography. Therefore, CT lung screening has started to be used widely…

Image and Video Processing · Electrical Eng. & Systems 2021-07-13 Gorkem Polat , Yesim Dogrusoz Serinagaoglu , Ugur Halici

Deformable image registration is a fundamental requirement for medical image analysis. Recently, transformers have been widely used in deep learning-based registration methods for their ability to capture long-range dependency via…

Image and Video Processing · Electrical Eng. & Systems 2024-12-25 Mingyuan Meng , Michael Fulham , Lei Bi , Jinman Kim

Affine registration is indispensable in a comprehensive medical image registration pipeline. However, only a few studies focus on fast and robust affine registration algorithms. Most of these studies utilize convolutional neural networks…

Computer Vision and Pattern Recognition · Computer Science 2022-03-31 Tony C. W. Mok , Albert C. S. Chung

Machine learning and data processing techniques relying on covariance information are widespread as they identify meaningful patterns in unsupervised and unlabeled settings. As a prominent example, Principal Component Analysis (PCA)…

Machine Learning · Computer Science 2025-12-04 Andrea Cavallo , Ayushman Raghuvanshi , Sundeep Prabhakar Chepuri , Elvin Isufi

Nowadays most research in visual recognition using Convolutional Neural Networks (CNNs) follows the "deeper model with deeper confidence" belief to gain a higher recognition accuracy. At the same time, deeper model brings heavier…

Computer Vision and Pattern Recognition · Computer Science 2019-09-13 Mohammad Farhadi , Mehdi Ghasemi , Yezhou Yang

Photoacoustic imaging (PAI) is a promising approach to realize in vivo transcranial cerebral vascular imaging. However, the strong attenuation and distortion of the photoacoustic wave caused by the thick porous skull greatly affect the…

Medical Physics · Physics 2022-08-16 Ya Gao , Wenyi Xu , Yiming Chen , Weiya Xie , Qian Cheng

Diffeomorphic image registration, offering smooth transformation and topology preservation, is required in many medical image analysis tasks.Traditional methods impose certain modeling constraints on the space of admissible transformations…

Computer Vision and Pattern Recognition · Computer Science 2022-11-03 Kun Han , Shanlin sun , Xiangyi Yan , Chenyu You , Hao Tang , Junayed Naushad , Haoyu Ma , Deying Kong , Xiaohui Xie

Patient-specific left ventricle (LV) myocardial models have the potential to be used in a variety of clinical scenarios for improved diagnosis and treatment plans. Cine cardiac magnetic resonance (MR) imaging provides high resolution images…

Image and Video Processing · Electrical Eng. & Systems 2021-04-01 Roshan Reddy Upendra , Brian Jamison Wentz , Richard Simon , Suzanne M. Shontz , Cristian A. Linte

The application of 3D ViTs to medical image segmentation has seen remarkable strides, somewhat overshadowing the budding advancements in Convolutional Neural Network (CNN)-based models. Large kernel depthwise convolution has emerged as a…

Computer Vision and Pattern Recognition · Computer Science 2023-10-05 Ho Hin Lee , Quan Liu , Qi Yang , Xin Yu , Shunxing Bao , Yuankai Huo , Bennett A. Landman

Images taken at different times or positions undergo transformations such as rotation, scaling, skewing, and more. The process of aligning different images which have undergone transformations can be done via registration. Registration is…

Image and Video Processing · Electrical Eng. & Systems 2021-04-27 Eduard F. Durech

Convolution Neural Networks (CNNs) are widely used in medical image analysis, but their performance degrade when the magnification of testing images differ from the training images. The inability of CNNs to generalize across magnification…

Image and Video Processing · Electrical Eng. & Systems 2023-02-23 Pranav Jeevan , Nikhil Cherian Kurian , Amit Sethi

Recent advances in generalized image understanding have seen a surge in the use of deep convolutional neural networks (CNN) across a broad range of image-based detection, classification and prediction tasks. Whilst the reported performance…

Computer Vision and Pattern Recognition · Computer Science 2020-07-29 Matt Poyser , Amir Atapour-Abarghouei , Toby P. Breckon

We propose a registration algorithm for 2D CT/MRI medical images with a new unsupervised end-to-end strategy using convolutional neural networks. The contributions of our algorithm are threefold: (1) We transplant traditional image…

Computer Vision and Pattern Recognition · Computer Science 2018-01-23 Siyuan Shan , Wen Yan , Xiaoqing Guo , Eric I-Chao Chang , Yubo Fan , Yan Xu

As in other areas of medical image analysis, e.g. semantic segmentation, deep learning is currently driving the development of new approaches for image registration. Multi-scale encoder-decoder network architectures achieve state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2021-03-02 Lasse Hansen , Mattias P. Heinrich

This paper presents Deformable Neural Vessel Representations (DeNVeR), an unsupervised approach for vessel segmentation in X-ray angiography videos without annotated ground truth. DeNVeR utilizes optical flow and layer separation…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Chun-Hung Wu , Shih-Hong Chen , Chih-Yao Hu , Hsin-Yu Wu , Kai-Hsin Chen , Yu-You Chen , Chih-Hai Su , Chih-Kuo Lee , Yu-Lun Liu