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Accurate identification and localization of the vertebrae in CT scans is a critical and standard preprocessing step for clinical spinal diagnosis and treatment. Existing methods are mainly based on the integration of multiple neural…

Image and Video Processing · Electrical Eng. & Systems 2020-01-03 Chunli Qin , Demin Yao , Han Zhuang , Hui Wang , Yonghong Shi , Zhijian Song

We present an automatic method for joint liver lesion segmentation and classification using a hierarchical fine-tuning framework. Our dataset is small, containing 332 2-D CT examinations with lesion annotated into 3 lesion types: cysts,…

Image and Video Processing · Electrical Eng. & Systems 2019-08-01 Michal Heker , Avi Ben-Cohen , Hayit Greenspan

Spine image segmentation is crucial for clinical diagnosis and treatment of spine diseases. The complex structure of the spine and the high morphological similarity between individual vertebrae and adjacent intervertebral discs make…

Image and Video Processing · Electrical Eng. & Systems 2025-08-27 Dingwei Fan , Junyong Zhao , Chunlin Li , Mingliang Wang , Qi Zhu , Haipeng Si , Daoqiang Zhang , Liang Sun

Spinal surgery planning necessitates automatic segmentation of vertebrae in cone-beam computed tomography (CBCT), an intraoperative imaging modality that is widely used in intervention. However, CBCT images are of low-quality and…

Image and Video Processing · Electrical Eng. & Systems 2021-03-10 Yuanyuan Lyu , Haofu Liao , Heqin Zhu , S. Kevin Zhou

The skeletal region is one of the common sites of metastatic spread of cancer in the breast and prostate. CT is routinely used to measure the size of lesions in the bones. However, they can be difficult to spot due to the wide variations in…

Image and Video Processing · Electrical Eng. & Systems 2024-02-02 Tao Sheng , Tejas Sudharshan Mathai , Alexander Shieh , Ronald M. Summers

This study introduces a diffusion-based framework for robust and accurate segmenton of vertebrae, intervertebral discs (IVDs), and spinal canal from Magnetic Resonance Imaging~(MRI) scans of patients with low back pain (LBP), regardless of…

Image and Video Processing · Electrical Eng. & Systems 2024-11-20 Maria Monzon , Thomas Iff , Ender Konukoglu , Catherine R. Jutzeler

In this work it is proposed a medical image segmentation pipeline for accurate bone segmentation from CT imaging. It is a two-step methodology, with a pre-segmentation step and a segmentation refinement step. First, the user performs a…

Medical Physics · Physics 2015-05-13 Manuel Pinheiro , J. L. Alves

We present a rectangle-based segmentation algorithm that sets up a graph and performs a graph cut to separate an object from the background. However, graph-based algorithms distribute the graph's nodes uniformly and equidistantly on the…

Computer Vision and Pattern Recognition · Computer Science 2012-03-14 Jan Egger , Tina Kapur , Thomas Dukatz , Malgorzata Kolodziej , Dzenan Zukic , Bernd Freisleben , Christopher Nimsky

In medical imaging, segmentation and localization of spinal tumors in three-dimensional (3D) space pose significant computational challenges, primarily stemming from limited data availability. In response, this study introduces a novel data…

Image and Video Processing · Electrical Eng. & Systems 2024-05-08 Rikathi Pal , Sudeshna Mondal , Aditi Gupta , Priya Saha , Somoballi Ghoshal , Amlan Chakrabarti , Susmita Sur-Kolay

Vertebral body compression fractures are early signs of osteoporosis. Though these fractures are visible on Computed Tomography (CT) images, they are frequently missed by radiologists in clinical settings. Prior research on automatic…

Image and Video Processing · Electrical Eng. & Systems 2022-10-04 Alexey Zakharov , Maxim Pisov , Alim Bukharaev , Alexey Petraikin , Sergey Morozov , Victor Gombolevskiy , Mikhail Belyaev

Inter-modal image registration (IMIR) and image segmentation with abdominal Ultrasound (US) data has many important clinical applications, including image-guided surgery, automatic organ measurement and robotic navigation. However, research…

Background: Deep learning has presented great potential in accurate MR image segmentation when enough labeled data are provided for network optimization. However, manually annotating 3D MR images is tedious and time-consuming, requiring…

Image and Video Processing · Electrical Eng. & Systems 2023-12-19 Yousuf Babiker M. Osman , Cheng Li , Weijian Huang , Shanshan Wang

Vertebral bone segmentation from magnetic resonance (MR) images is a challenging task. Due to the inherent nature of the modality to emphasize soft tissues of the body, common thresholding algorithms are ineffective in detecting bones in MR…

Image and Video Processing · Electrical Eng. & Systems 2021-03-02 Enamundram M. V. Naga Karthik , Catherine Laporte , Farida Cheriet

Recently, joint registration and segmentation has been formulated in a deep learning setting, by the definition of joint loss functions. In this work, we investigate joining these tasks at the architectural level. We propose a registration…

Image and Video Processing · Electrical Eng. & Systems 2020-04-20 Laurens Beljaards , Mohamed S. Elmahdy , Fons Verbeek , Marius Staring

This paper proposes a fully automated atlas-based pancreas segmentation method from CT volumes utilizing atlas localization by regression forest and atlas generation using blood vessel information. Previous probabilistic atlas-based…

Computer Vision and Pattern Recognition · Computer Science 2020-05-08 Masahiro Oda , Natsuki Shimizu , Ken'ichi Karasawa , Yukitaka Nimura , Takayuki Kitasaka , Kazunari Misawa , Michitaka Fujiwara , Daniel Rueckert , Kensaku Mori

Accurate segmentation of the pelvic CTs is crucial for the clinical diagnosis of pelvic bone diseases and for planning patient-specific hip surgeries. With the emergence and advancements of deep learning for digital healthcare, several…

Image and Video Processing · Electrical Eng. & Systems 2021-01-28 Prabhakara Subramanya Jois , Aniketh Manjunath , Thomas Fevens

We propose a method for automatic segmentation of individual muscles from a clinical CT. The method uses Bayesian convolutional neural networks with the U-Net architecture, using Monte Carlo dropout that infers an uncertainty metric in…

Image and Video Processing · Electrical Eng. & Systems 2019-12-10 Yuta Hiasa , Yoshito Otake , Masaki Takao , Takeshi Ogawa , Nobuhiko Sugano , Yoshinobu Sato

Segmentation of abdominal computed tomography(CT) provides spatial context, morphological properties, and a framework for tissue-specific radiomics to guide quantitative Radiological assessment. A 2015 MICCAI challenge spurred substantial…

Image and Video Processing · Electrical Eng. & Systems 2020-02-12 Yuchen Xu , Olivia Tang , Yucheng Tang , Ho Hin Lee , Yunqiang Chen , Dashan Gao , Shizhong Han , Riqiang Gao , Michael R. Savona , Richard G. Abramson , Yuankai Huo , Bennett A. Landman

Automatic lesion segmentation on thoracic CT enables rapid quantitative analysis of lung involvement in COVID-19 infections. However, obtaining a large amount of voxel-level annotations for training segmentation networks is prohibitively…

Image and Video Processing · Electrical Eng. & Systems 2021-11-22 Weiyi Xie , Colin Jacobs , Jean-Paul Charbonnier , Bram van Ginneken

Automatic segmentation of anatomical landmarks from ultrasound (US) plays an important role in the management of preterm neonates with a very low birth weight due to the increased risk of developing intraventricular hemorrhage (IVH) or…

Image and Video Processing · Electrical Eng. & Systems 2019-12-19 Jeya Maria Jose V. , Rajeev Yasarla , Puyang Wang , Ilker Hacihaliloglu , Vishal M. Patel