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Adaptive radiotherapy is a growing field of study in cancer treatment due to it's objective in sparing healthy tissue. The standard of care in several institutions includes longitudinal cone-beam computed tomography (CBCT) acquisitions to…

Computer Vision and Pattern Recognition · Computer Science 2023-03-08 William Trung Le , Chulmin Bang , Philippine Cordelle , Daniel Markel , Phuc Felix Nguyen-Tan , Houda Bahig , Samuel Kadoury

Deep convolutional neural networks (CNNs) are broadly considered to be state-of-the-art generic end-to-end image classification systems. However, they are known to underperform when training data are limited and thus require data…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Mohammad Shifat E Rabbi , Yan Zhuang , Shiying Li , Abu Hasnat Mohammad Rubaiyat , Xuwang Yin , Gustavo K. Rohde

Accurate dose distribution prediction is crucial in the radiotherapy planning. Although previous methods based on convolutional neural network have shown promising performance, they have the problem of over-smoothing, leading to prediction…

Image and Video Processing · Electrical Eng. & Systems 2024-10-31 Xin Liao , Zhenghao Feng , Jianghong Xiao , Xingchen Peng , Yan Wang

Delineating the clinical target volume (CTV) in radiotherapy involves complex margins constrained by tumor location and anatomical barriers. While deep learning models automate this process, their rigid reliance on expert-annotated data…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Yoon Jo Kim , Wonyoung Cho , Jongmin Lee , Han Joo Chae , Hyunki Park , Sang Hoon Seo , Noh Jae Myung , Kyungmi Yang , Dongryul Oh , Jin Sung Kim

Recently, deep convolutional neural networks (CNNs) have achieved many eye-catching results. However, deploying CNNs on resource-constrained edge devices is constrained by limited memory bandwidth for transmitting large intermediated data…

Image and Video Processing · Electrical Eng. & Systems 2022-07-20 Yu-Shan Tai , Cheng-Yang Chang , Chieh-Fang Teng , AnYeu , Wu

Pretraining CNN models (i.e., UNet) through self-supervision has become a powerful approach to facilitate medical image segmentation under low annotation regimes. Recent contrastive learning methods encourage similar global representations…

Computer Vision and Pattern Recognition · Computer Science 2023-10-20 Zhangsihao Yang , Mengwei Ren , Kaize Ding , Guido Gerig , Yalin Wang

Today, gastric cancer is one of the diseases which affected many people's life. Early detection and accuracy are the main and crucial challenges in finding this kind of cancer. In this paper, a method to increase the accuracy of the…

Neural and Evolutionary Computing · Computer Science 2020-11-20 Elham Gholami , Seyed Reza Kamel Tabbakh , Maryam Kheirabadi

Automatic segmentation of multiple organs and tumors from 3D medical images such as magnetic resonance imaging (MRI) and computed tomography (CT) scans using deep learning methods can aid in diagnosing and treating cancer. However, organs…

Image and Video Processing · Electrical Eng. & Systems 2022-07-25 Hao Li , Yang Nan , Javier Del Ser , Guang Yang

Due to the potential risk of inducing cancers, radiation dose of X-ray CT should be reduced for routine patient scanning. However, in low-dose X-ray CT, severe artifacts usually occur due to photon starvation, beamhardening, etc, which…

Computer Vision and Pattern Recognition · Computer Science 2018-02-07 Eunhee Kang , Junhong Min , Jong Chul Ye

Deep convolutional neural networks (CNNs) are the backbone of state-of-art semantic image segmentation systems. Recent work has shown that complementing CNNs with fully-connected conditional random fields (CRFs) can significantly enhance…

Computer Vision and Pattern Recognition · Computer Science 2016-06-03 Liang-Chieh Chen , Jonathan T. Barron , George Papandreou , Kevin Murphy , Alan L. Yuille

Image descriptors based on activations of Convolutional Neural Networks (CNNs) have become dominant in image retrieval due to their discriminative power, compactness of representation, and search efficiency. Training of CNNs, either from…

Computer Vision and Pattern Recognition · Computer Science 2018-07-12 Filip Radenović , Giorgos Tolias , Ondřej Chum

This paper investigates a 2D to 3D image translation method with a straightforward technique, enabling correlated 2D X-ray to 3D CT-like reconstruction. We observe that existing approaches, which integrate information across multiple 2D…

Computer Vision and Pattern Recognition · Computer Science 2024-06-27 Abril Corona-Figueroa , Hubert P. H. Shum , Chris G. Willcocks

Head and neck (H&N) cancers are among the most prevalent types of cancer worldwide, and [18F]F-FDG PET/CT is widely used for H&N cancer management. Recently, the diffusion model has demonstrated remarkable performance in various…

Image and Video Processing · Electrical Eng. & Systems 2024-11-20 Yafei Dong , Kuang Gong

Convolutional neural networks (CNNs) have become increasingly difficult to deploy in resource-constrained environments due to their large memory and computational requirements. Although low-rank compression methods can reduce this burden,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Sisipho Hamlomo , Marcellin Atemkeng , Habte Tadesse Likassa , Blaise Ravelo , Thierry Bouwmans , Sébastien Lalléchère , Antoine Vacavant , Ding-Geng Chen

Directly reconstructing 3D CT volume from few-view 2D X-rays using an end-to-end deep learning network is a challenging task, as X-ray images are merely projection views of the 3D CT volume. In this work, we facilitate complex 2D X-ray…

Image and Video Processing · Electrical Eng. & Systems 2025-03-25 Xing Xie , Jiawei Liu , Huijie Fan , Zhi Han , Yandong Tang , Liangqiong Qu

Semantic segmentation of raw 3D point clouds is an essential component in 3D scene analysis, but it poses several challenges, primarily due to the non-Euclidean nature of 3D point clouds. Although, several deep learning based approaches…

Computer Vision and Pattern Recognition · Computer Science 2020-12-01 Saqib Ali Khan , Yilei Shi , Muhammad Shahzad , Xiao Xiang Zhu

Colorectal cancer is a leading cause of death worldwide. However, early diagnosis dramatically increases the chances of survival, for which it is crucial to identify the tumor in the body. Since its imaging uses high-resolution techniques,…

Image and Video Processing · Electrical Eng. & Systems 2021-03-18 Nisarg A. Shah , Divij Gupta , Romil Lodaya , Ujjwal Baid , Sanjay Talbar

Data augmentation refers to a group of techniques whose goal is to battle limited amount of available data to improve model generalization and push sample distribution toward the true distribution. While different augmentation strategies…

Quantitative Methods · Quantitative Biology 2020-06-03 Ruqian Hao , Khashayar Namdar , Lin Liu , Masoom A. Haider , Farzad Khalvati

Automatic tumor segmentation is a crucial step in medical image analysis for computer-aided diagnosis. Although the existing methods based on convolutional neural networks (CNNs) have achieved the state-of-the-art performance, many…

Image and Video Processing · Electrical Eng. & Systems 2020-05-11 Shuchao Pang , Anan Du , Mehmet A. Orgun , Yan Wang , Quanzheng Sheng , Shoujin Wang , Xiaoshui Huang , Zhemei Yu

The main treatment modality for oropharyngeal cancer (OPC) is radiotherapy, where accurate segmentation of the primary gross tumor volume (GTVp) is essential. However, accurate GTVp segmentation is challenging due to significant…