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Various imaging artifacts, low signal-to-noise ratio, and bone surfaces appearing several millimeters in thickness have hindered the success of ultrasound (US) guided computer assisted orthopedic surgery procedures. In this work, a…

Computer Vision and Pattern Recognition · Computer Science 2018-06-27 Puyang Wang , Vishal M. Patel , Ilker Hacihaliloglu

Automatic breast lesion segmentation in ultrasound helps to diagnose breast cancer, which is one of the dreadful diseases that affect women globally. Segmenting breast regions accurately from ultrasound image is a challenging task due to…

Image and Video Processing · Electrical Eng. & Systems 2021-04-06 Cheng Xue , Lei Zhu , Huazhu Fu , Xiaowei Hu , Xiaomeng Li , Hai Zhang , Pheng Ann Heng

Graph convolutional networks have significantly improved 3D human pose estimation by representing the human skeleton as an undirected graph. However, this representation fails to reflect the articulated characteristic of human skeletons as…

Computer Vision and Pattern Recognition · Computer Science 2021-08-05 Wenbo Hu , Changgong Zhang , Fangneng Zhan , Lei Zhang , Tien-Tsin Wong

This preliminary study focuses on the development of a medical image segmentation algorithm based on artificial intelligence for calculating bone growth in contact with metallic implants. %as a result of the problem of estimating the growth…

Image and Video Processing · Electrical Eng. & Systems 2022-04-25 Fernando García-Torres , Carmen Mínguez-Porter , Julia Tomás-Chenoll , Sofía Iranzo-Egea , Juan-Manuel Belda-Lois

Bone surface delineation in ultrasound is of interest due to its potential in diagnosis, surgical planning, and post-operative follow-up in orthopedics, as well as the potential of using bones as anatomical landmarks in surgical navigation.…

Computer Vision and Pattern Recognition · Computer Science 2020-01-08 Firat Ozdemir , Christine Tanner , Orcun Goksel

This paper investigates body bones from skeleton data for skeleton based action recognition. Body joints, as the direct result of mature pose estimation technologies, are always the key concerns of traditional action recognition methods.…

Computer Vision and Pattern Recognition · Computer Science 2018-06-01 Xikun Zhang , Chang Xu , Xinmei Tian , Dacheng Tao

Segmenting both bone surface and the corresponding acoustic shadow are fundamental tasks in ultrasound (US) guided orthopedic procedures. However, these tasks are challenging due to minimal and blurred bone surface response in US images,…

Image and Video Processing · Electrical Eng. & Systems 2022-06-22 Aimon Rahman , Jeya Maria Jose Valanarasu , Ilker Hacihaliloglu , Vishal M Patel

Purpose: Automated distinct bone segmentation from CT scans is widely used in planning and navigation workflows. U-Net variants are known to provide excellent results in supervised semantic segmentation. However, in distinct bone…

Image and Video Processing · Electrical Eng. & Systems 2023-02-01 Eva Schnider , Julia Wolleb , Antal Huck , Mireille Toranelli , Georg Rauter , Magdalena Müller-Gerbl , Philippe C. Cattin

Although the preservation of shape continuity and physiological anatomy is a natural assumption in the segmentation of medical images, it is often neglected by deep learning methods that mostly aim for the statistical modeling of input data…

Computer Vision and Pattern Recognition · Computer Science 2023-05-01 Yousef Yeganeh , Azade Farshad , Goktug Guevercin , Amr Abu-zer , Rui Xiao , Yongjian Tang , Ehsan Adeli , Nassir Navab

Bone segmentation is an essential step for the preoperative planning of fracture trauma surgery. The automated segmentation of fractured bone from computed tomography (CT) scans remains challenging, due to the large differences of fractures…

Computer Vision and Pattern Recognition · Computer Science 2024-05-03 Yu Zhou , Xiahao Zou , Yi Wang

Optimal surface segmentation is a state-of-the-art method used for segmentation of multiple globally optimal surfaces in volumetric datasets. The method is widely used in numerous medical image segmentation applications. However, nodes in…

Computer Vision and Pattern Recognition · Computer Science 2019-02-18 Abhay Shah , Michael D. Abramoff , Xiaodong Wu

Automatic segmentation of retinal blood vessels from fundus images plays an important role in the computer aided diagnosis of retinal diseases. The task of blood vessel segmentation is challenging due to the extreme variations in morphology…

Computer Vision and Pattern Recognition · Computer Science 2016-11-17 Avijit Dasgupta , Sonam Singh

Learning structural information is critical for producing an ideal result in retinal image segmentation. Recently, convolutional neural networks have shown a powerful ability to extract effective representations. However, convolutional and…

Image and Video Processing · Electrical Eng. & Systems 2019-10-24 Shihao Zhang , Huazhu Fu , Yuguang Yan , Yubing Zhang , Qingyao Wu , Ming Yang , Mingkui Tan , Yanwu Xu

Developing automated and semi-automated solutions for reconstructing wiring diagrams of the brain from electron micrographs is important for advancing the field of connectomics. While the ultimate goal is to generate a graph of neuron…

Computer Vision and Pattern Recognition · Computer Science 2016-08-09 William Gray Roncal , Colin Lea , Akira Baruah , Gregory D. Hager

Quantitative bone single-photon emission computed tomography (QBSPECT) has the potential to provide a better quantitative assessment of bone metastasis than planar bone scintigraphy due to its ability to better quantify activity in…

Computer Vision and Pattern Recognition · Computer Science 2021-05-31 Junyu Chen , Ye Li , Licia P. Luna , Hyun Woo Chung , Steven P. Rowe , Yong Du , Lilja B. Solnes , Eric C. Frey

Purpose: The purpose is to design a novelty automatic diagnostic method for osteoporosis screening by using the potential capability of convolutional neural network (CNN) in feature representation and extraction, which can be incorporated…

Medical Physics · Physics 2019-10-16 Chao Tang , Wenkun Zhang , Haiting Li , Lei Li , Ziheng Li , Ailong Cai , Linyuan Wang , Dapeng Shi , Bin Yan

Human actions comprise of joint motion of articulated body parts or `gestures'. Human skeleton is intuitively represented as a sparse graph with joints as nodes and natural connections between them as edges. Graph convolutional networks…

Computer Vision and Pattern Recognition · Computer Science 2018-09-14 Kalpit Thakkar , P J Narayanan

Anatomical consistency in biomarker segmentation is crucial for many medical image analysis tasks. A promising paradigm for achieving anatomically consistent segmentation via deep networks is incorporating pixel connectivity, a basic…

Image and Video Processing · Electrical Eng. & Systems 2023-04-04 Ziyun Yang , Sina Farsiu

Convolutional neural networks (CNNs) have gained significant popularity in orthopedic imaging in recent years due to their ability to solve fracture classification problems. A common criticism of CNNs is their opaque learning and reasoning…

Computer Vision and Pattern Recognition · Computer Science 2022-03-22 Zhibin Liao , Kewen Liao , Haifeng Shen , Marouska F. van Boxel , Jasper Prijs , Ruurd L. Jaarsma , Job N. Doornberg , Anton van den Hengel , Johan W. Verjans

Ultrasound-based bone surface segmentation is crucial in computer-assisted orthopedic surgery. However, ultrasound images have limitations, including a low signal-to-noise ratio, and acoustic shadowing, which make interpretation difficult.…

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