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In this paper, we propose a novel deep learning framework for anatomy segmentation and automatic landmark- ing. Specifically, we focus on the challenging problem of mandible segmentation from cone-beam computed tomography (CBCT) scans and…

Computer Vision and Pattern Recognition · Computer Science 2018-10-10 Neslisah Torosdagli , Denise K. Liberton , Payal Verma , Murat Sincan , Janice S. Lee , Ulas Bagci

Automated segmentation can assist radiotherapy treatment planning by saving manual contouring efforts and reducing intra-observer and inter-observer variations. The recent development of deep learning approaches has revoluted medical data…

Computer Vision and Pattern Recognition · Computer Science 2021-09-14 Zhuangzhuang Zhang , Tianyu Zhao , Hiram Gay , Baozhou Sun , Weixiong Zhang

Prostate radiotherapy is a well established curative oncology modality, which in future will use Magnetic Resonance Imaging (MRI)-based radiotherapy for daily adaptive radiotherapy target definition. However the time needed to delineate the…

Image and Video Processing · Electrical Eng. & Systems 2020-11-17 David Gillespie , Connah Kendrick , Ian Boon , Cheng Boon , Tim Rattay , Moi Hoon Yap

A novel deep learning architecture (XmasNet) based on convolutional neural networks was developed for the classification of prostate cancer lesions, using the 3D multiparametric MRI data provided by the PROSTATEx challenge. End-to-end…

Computer Vision and Pattern Recognition · Computer Science 2017-03-14 Saifeng Liu , Huaixiu Zheng , Yesu Feng , Wei Li

The large number of trainable parameters of deep neural networks renders them inherently data hungry. This characteristic heavily challenges the medical imaging community and to make things even worse, many imaging modalities are ambiguous…

Neural and Evolutionary Computing · Computer Science 2017-11-29 Simon Kohl , David Bonekamp , Heinz-Peter Schlemmer , Kaneschka Yaqubi , Markus Hohenfellner , Boris Hadaschik , Jan-Philipp Radtke , Klaus Maier-Hein

One usage of medical ultrasound imaging is to visualize and characterize human tongue shape and motion during a real-time speech to study healthy or impaired speech production. Due to the low-contrast characteristic and noisy nature of…

Computer Vision and Pattern Recognition · Computer Science 2020-03-20 M. Hamed Mozaffari , Won-Sook Lee

Deep learning based object detectors struggle generalizing to a new target domain bearing significant variations in object and background. Most current methods align domains by using image or instance-level adversarial feature alignment.…

Computer Vision and Pattern Recognition · Computer Science 2023-11-10 Muhammad Akhtar Munir , Muhammad Haris Khan , M. Saquib Sarfraz , Mohsen Ali

Given a collection of images, humans are able to discover landmarks by modeling the shared geometric structure across instances. This idea of geometric equivariance has been widely used for the unsupervised discovery of object landmark…

Computer Vision and Pattern Recognition · Computer Science 2021-04-06 Zezhou Cheng , Jong-Chyi Su , Subhransu Maji

Landmark localization is a challenging problem in computer vision with a multitude of applications. Recent deep learning based methods have shown improved results by regressing likelihood maps instead of regressing the coordinates directly.…

Computer Vision and Pattern Recognition · Computer Science 2019-08-06 Brian Teixeira , Birgi Tamersoy , Vivek Singh , Ankur Kapoor

Recently, a multitude of methods for image-to-image translation have demonstrated impressive results on problems such as multi-domain or multi-attribute transfer. The vast majority of such works leverages the strengths of adversarial…

Computer Vision and Pattern Recognition · Computer Science 2021-02-02 James Oldfield , Yannis Panagakis , Mihalis A. Nicolaou

While deep learning methods have shown great promise in improving the effectiveness of prostate cancer (PCa) diagnosis by detecting suspicious lesions from trans-rectal ultrasound (TRUS), they must overcome multiple simultaneous challenges.…

Deep neural networks have introduced significant advancements in the field of machine learning-based analysis of digital pathology images including prostate tissue images. With the help of transfer learning, classification and segmentation…

Accurate anatomical landmark detection plays an increasingly vital role in medical image analysis. Although existing methods achieve satisfying performance, they are mostly based on CNN and specialized for a single domain say associated…

Computer Vision and Pattern Recognition · Computer Science 2022-03-15 Heqin Zhu , Qingsong Yao , S. Kevin Zhou

Purpose: Deformable Image Registration (DIR) can benefit from additional guidance using corresponding landmarks in the images. However, the benefits thereof are largely understudied, especially due to the lack of automatic landmark…

Computer Vision and Pattern Recognition · Computer Science 2023-02-28 Monika Grewal , Jan Wiersma , Henrike Westerveld , Peter A. N. Bosman , Tanja Alderliesten

Background: Transrectal ultrasound guided systematic biopsies of the prostate is a routine procedure to establish a prostate cancer diagnosis. However, the 10-12 prostate core biopsies only sample a relatively small volume of the prostate,…

Image and Video Processing · Electrical Eng. & Systems 2022-04-20 Bojing Liu , Yinxi Wang , Philippe Weitz , Johan Lindberg , Johan Hartman , Lars Egevad , Henrik Grönberg , Martin Eklund , Mattias Rantalainen

We present an efficient neural network method for locating anatomical landmarks in 3D medical CT scans, using atlas location autocontext in order to learn long-range spatial context. Location predictions are made by regression to Gaussian…

Computer Vision and Pattern Recognition · Computer Science 2018-10-02 Alison Q O'Neil , Antanas Kascenas , Joseph Henry , Daniel Wyeth , Matthew Shepherd , Erin Beveridge , Lauren Clunie , Carrie Sansom , Evelina Šeduikytė , Keith Muir , Ian Poole

Current image-guided prostate radiotherapy often relies on the use of implanted fiducials or transducers for target localization. Fiducial or transducer insertion requires an invasive procedure that adds cost and risks for bleeding,…

Medical Physics · Physics 2019-06-21 Wei Zhao , Liyue Shen , Yan Wu , Bin Han , Yong Yang , Lei Xing

Self-supervised learning has proven to be an effective way to learn representations in domains where annotated labels are scarce, such as medical imaging. A widely adopted framework for this purpose is contrastive learning and it has been…

Computer Vision and Pattern Recognition · Computer Science 2024-02-23 Hugo Figueiras , Helena Aidos , Nuno Cruz Garcia

Deep neural networks yield promising results in a wide range of computer vision applications, including landmark detection. A major challenge for accurate anatomical landmark detection in volumetric images such as clinical CT scans is that…

Computer Vision and Pattern Recognition · Computer Science 2021-12-15 Tianyu Ma , Ajay Gupta , Mert R. Sabuncu

The accuracy of deep learning (e.g., convolutional neural networks) for an image classification task critically relies on the amount of labeled training data. Aiming to solve an image classification task on a new domain that lacks labeled…

Computer Vision and Pattern Recognition · Computer Science 2019-01-01 Xianghong Fang , Haoli Bai , Ziyi Guo , Bin Shen , Steven Hoi , Zenglin Xu