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The scarcity of publicly available medical imaging data limits the development of effective AI models. This work proposes a memory-efficient patch-wise denoising diffusion probabilistic model (DDPM) for generating synthetic medical images,…

Image and Video Processing · Electrical Eng. & Systems 2024-10-17 Kathrin Khadra , Utku Türkbey

Dense annotations, such as segmentation masks, are expensive and time-consuming to obtain, especially for 3D medical images where expert voxel-wise labeling is required. Weakly supervised approaches aim to address this limitation, but often…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Richard Petersen , Fredrik Kahl , Jennifer Alvén

Computed tomography imaging is a standard modality for detecting and assessing lung cancer. In order to evaluate the malignancy of lung nodules, clinical practice often involves expert qualitative ratings on several criteria describing a…

Computer Vision and Pattern Recognition · Computer Science 2016-09-22 Mario Buty , Ziyue Xu , Mingchen Gao , Ulas Bagci , Aaron Wu , Daniel J. Mollura

Lung cancer has been one of the leading causes of cancer-related deaths worldwide for years. With the emergence of deep learning, computer-assisted diagnosis (CAD) models based on learning algorithms can accelerate the nodule screening…

Image and Video Processing · Electrical Eng. & Systems 2023-05-03 Xuan Zhao , Benjamin Hou

Recently, lung nodule detection methods based on deep learning have shown excellent performance in the medical image processing field. Considering that only a few public lung datasets are available and lung nodules are more difficult to…

Image and Video Processing · Electrical Eng. & Systems 2024-03-08 Yujiang Chen , Mei Xie

Lung nodule proposals generation is the primary step of lung nodule detection and has received much attention in recent years . In this paper, we first construct a model of 3-dimension Convolutional Neural Network (3D CNN) to generate lung…

Computer Vision and Pattern Recognition · Computer Science 2018-02-08 Hui Wu , Matrix Yao , Albert Hu , Gaofeng Sun , Xiaokun Yu , Jian Tang

Early detection of pulmonary nodules in computed tomography (CT) images is essential for successful outcomes among lung cancer patients. Much attention has been given to deep convolutional neural network (DCNN)-based approaches to this…

Computer Vision and Pattern Recognition · Computer Science 2019-03-26 Hao Tang , Daniel R. Kim , Xiaohui Xie

The usage of medical image data for the training of large-scale machine learning approaches is particularly challenging due to its scarce availability and the costly generation of data annotations, typically requiring the engagement of…

Computer Vision and Pattern Recognition · Computer Science 2024-06-26 Joshua Niemeijer , Jan Ehrhardt , Hristina Uzunova , Heinz Handels

In this work, we present a fully automated lung CT cancer diagnosis system, DeepLung. DeepLung contains two parts, nodule detection and classification. Considering the 3D nature of lung CT data, two 3D networks are designed for the nodule…

Computer Vision and Pattern Recognition · Computer Science 2017-09-19 Wentao Zhu , Chaochun Liu , Wei Fan , Xiaohui Xie

We introduce a new computer aided detection and diagnosis system for lung cancer screening with low-dose CT scans that produces meaningful probability assessments. Our system is based entirely on 3D convolutional neural networks and…

Computer Vision and Pattern Recognition · Computer Science 2020-01-22 Onur Ozdemir , Rebecca L. Russell , Andrew A. Berlin

The use of automatic systems in the analysis of medical images has proven to be very useful to radiologists, especially in the framework of screening programs, in which radiologists make their first diagnosis on the basis of images only,…

Early detection of lung cancer is crucial for effective treatment and relies on accurate volumetric assessment of pulmonary nodules in CT scans. Traditional methods, such as consolidation-to-tumor ratio (CTR) and spherical approximation,…

Image and Video Processing · Electrical Eng. & Systems 2025-08-29 Yihan Zhou , Haocheng Huang , Yue Yu , Jianhui Shang

Accurate Computer-Assisted Diagnosis, relying on large-scale annotated pathological images, can alleviate the risk of overlooking the diagnosis. Unfortunately, in medical imaging, most available datasets are small/fragmented. To tackle…

Computer Vision and Pattern Recognition · Computer Science 2019-08-14 Changhee Han , Yoshiro Kitamura , Akira Kudo , Akimichi Ichinose , Leonardo Rundo , Yujiro Furukawa , Kazuki Umemoto , Yuanzhong Li , Hideki Nakayama

Human anatomy, morphology, and associated diseases can be studied using medical imaging data. However, access to medical imaging data is restricted by governance and privacy concerns, data ownership, and the cost of acquisition, thus…

Objective: Cytology plays a crucial role in lung cancer diagnosis. Pulmonary cytology involves cell morphological characterization in the specimen and reporting the corresponding findings, which are extremely burdensome tasks. In this…

Image and Video Processing · Electrical Eng. & Systems 2026-04-23 Atsushi Teramoto , Ayano Michiba , Yuka Kiriyama , Tetsuya Tsukamoto , Kazuyoshi Imaizumi , Hiroshi Fujita

Discriminating lung nodules as malignant or benign is still an underlying challenge. To address this challenge, radiologists need computer aided diagnosis (CAD) systems which can assist in learning discriminative imaging features…

Computer Vision and Pattern Recognition · Computer Science 2018-10-15 Maria J. M. Chuquicusma , Sarfaraz Hussein , Jeremy Burt , Ulas Bagci

Lung cancer follow-up is a complex, error prone, and time consuming task for clinical radiologists. Several lung CT scan images taken at different time points of a given patient need to be individually inspected, looking for possible…

Image and Video Processing · Electrical Eng. & Systems 2019-12-24 Xavier Rafael-Palou , Anton Aubanell , Ilaria Bonavita , Mario Ceresa , Gemma Piella , Vicent Ribas , Miguel Ángel González Ballester

This paper proposes a novel and efficient method to build a Computer-Aided Diagnoses (CAD) system for lung nodule detection based on Computed Tomography (CT). This task was treated as an Object Detection on Video (VID) problem by imitating…

Computer Vision and Pattern Recognition · Computer Science 2017-12-15 Ning Li , Haopeng Liu , Bin Qiu , Wei Guo , Shijun Zhao , Kungang Li , Jie He

In this paper, we treat the image generation task using an autoencoder, a representative latent model. Unlike many studies regularizing the latent variable's distribution by assuming a manually specified prior, we approach the image…

Machine Learning · Computer Science 2021-08-27 Jaeyoung Yoo , Hojun Lee , Nojun Kwak

Diversity in data is critical for the successful training of deep learning models. Leveraged by a recurrent generative adversarial network, we propose the CT-SGAN model that generates large-scale 3D synthetic CT-scan volumes ($\geq…

Image and Video Processing · Electrical Eng. & Systems 2021-11-08 Ahmad Pesaranghader , Yiping Wang , Mohammad Havaei