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In this work we present a method of automatic segmentation of defective skulls for custom cranial implant design and 3D printing purposes. Since such tissue models are usually required in patient cases with complex anatomical defects and…

Image and Video Processing · Electrical Eng. & Systems 2020-11-05 Oldřich Kodym , Michal Španěl , Adam Herout

Deep neural networks have recently drawn considerable attention to build and evaluate artificial learning models for perceptual tasks. Here, we present a study on the performance of the deep learning models to deal with global optimization…

Neural and Evolutionary Computing · Computer Science 2020-12-18 Hojjat Rakhshani , Lhassane Idoumghar , Soheila Ghambari , Julien Lepagnot , Mathieu Brévilliers

Purpose: This study investigates whether a machine-learning-based system can predict the rate of cognitive decline in mildly cognitively impaired patients by processing only the clinical and imaging data collected at the initial visit.…

Quantitative Methods · Quantitative Biology 2020-10-07 Sema Candemir , Xuan V. Nguyen , Luciano M. Prevedello , Matthew T. Bigelow , Richard D. White , Barbaros S. Erdal

Accurate diagnosis and prognosis of Alzheimer's disease are crucial to develop new therapies and reduce the associated costs. Recently, with the advances of convolutional neural networks, methods have been proposed to automate these two…

Image and Video Processing · Electrical Eng. & Systems 2022-11-29 Huy-Dung Nguyen , Michaël Clément , Boris Mansencal , Pierrick Coupé

Deep learning methods can be found in many medical imaging applications. Recently, those methods were applied directly to the RF ultrasound multi-channel data to enhance the quality of the reconstructed images. In this paper, we apply a…

Signal Processing · Electrical Eng. & Systems 2020-11-23 Nissim Peretz , Arie Feuer

Computer-aided early diagnosis of Alzheimer's disease (AD) and its prodromal form mild cognitive impairment (MCI) based on structure Magnetic Resonance Imaging (sMRI) has provided a cost-effective and objective way for early prevention and…

Image and Video Processing · Electrical Eng. & Systems 2021-11-16 Xin Zhang , Liangxiu Han , Wenyong Zhu , Liang Sun , Daoqiang Zhang

In this paper, we present a fully automatic brain tumor segmentation method based on Deep Neural Networks (DNNs). The proposed networks are tailored to glioblastomas (both low and high grade) pictured in MR images. By their very nature,…

Computer Vision and Pattern Recognition · Computer Science 2016-05-23 Mohammad Havaei , Axel Davy , David Warde-Farley , Antoine Biard , Aaron Courville , Yoshua Bengio , Chris Pal , Pierre-Marc Jodoin , Hugo Larochelle

Predicting the structure of multi-protein complexes is a grand challenge in biochemistry, with major implications for basic science and drug discovery. Computational structure prediction methods generally leverage pre-defined structural…

Biomolecules · Quantitative Biology 2021-01-26 Stephan Eismann , Raphael J. L. Townshend , Nathaniel Thomas , Milind Jagota , Bowen Jing , Ron O. Dror

Point cloud is a principal data structure adopted for 3D geometric information encoding. Unlike other conventional visual data, such as images and videos, these irregular points describe the complex shape features of 3D objects, which makes…

Computer Vision and Pattern Recognition · Computer Science 2020-04-21 Chaoyi Zhang , Yang Song , Lina Yao , Weidong Cai

Point cloud analysis is an area of increasing interest due to the development of 3D sensors that are able to rapidly measure the depth of scenes accurately. Unfortunately, applying deep learning techniques to perform point cloud analysis is…

Computer Vision and Pattern Recognition · Computer Science 2021-01-05 Junming Zhang , Ming-Yuan Yu , Ram Vasudevan , Matthew Johnson-Roberson

Deep learning surrogate models are being increasingly used in accelerating scientific simulations as a replacement for costly conventional numerical techniques. However, their use remains a significant challenge when dealing with real-world…

Machine Learning · Computer Science 2023-03-27 Saurabh Deshpande , Raúl I. Sosa , Stéphane P. A. Bordas , Jakub Lengiewicz

Statistical shape modeling is an important tool to characterize variation in anatomical morphology. Typical shapes of interest are measured using 3D imaging and a subsequent pipeline of registration, segmentation, and some extraction of…

Computer Vision and Pattern Recognition · Computer Science 2018-10-02 Riddhish Bhalodia , Shireen Y. Elhabian , Ladislav Kavan , Ross T. Whitaker

We present multiresolution tree-structured networks to process point clouds for 3D shape understanding and generation tasks. Our network represents a 3D shape as a set of locality-preserving 1D ordered list of points at multiple…

Computer Vision and Pattern Recognition · Computer Science 2018-07-13 Matheus Gadelha , Rui Wang , Subhransu Maji

We propose a surface fitting method for unstructured 3D point clouds. This method, called DeepFit, incorporates a neural network to learn point-wise weights for weighted least squares polynomial surface fitting. The learned weights act as a…

Computer Vision and Pattern Recognition · Computer Science 2020-03-25 Yizhak Ben-Shabat , Stephen Gould

Deep learning, as a promising new area of machine learning, has attracted a rapidly increasing attention in the field of medical imaging. Compared to the conventional machine learning methods, deep learning requires no hand-tuned feature…

Quantitative Methods · Quantitative Biology 2016-11-29 He Yang , Hengyong Yu , Ge Wang

Clinical data from electronic medical records, registries or trials provide a large source of information to apply machine learning methods in order to foster precision medicine, e.g. by finding new disease phenotypes or performing…

Machine Learning · Computer Science 2020-08-17 Maria Hügle , Gabriel Kalweit , Thomas Huegle , Joschka Boedecker

A plethora of deep learning models have been developed for the task of Alzheimer's disease classification from brain MRI scans. Many of these models report high performance, achieving three-class classification accuracy of up to 95%.…

Computer Vision and Pattern Recognition · Computer Science 2019-04-18 Ziqiang Guan , Ritesh Kumar , Yi Ren Fung , Yeahuay Wu , Madalina Fiterau

Neuroanatomical segmentation in magnetic resonance imaging (MRI) of the brain is a prerequisite for volume, thickness and shape measurements. This work introduces a new highly accurate and versatile method based on 3D convolutional neural…

Quantitative Methods · Quantitative Biology 2019-02-07 Philip Novosad , Vladimir Fonov , D. Louis Collins

Neuroimaging data analysis often involves \emph{a-priori} selection of data features to study the underlying neural activity. Since this could lead to sub-optimal feature selection and thereby prevent the detection of subtle patterns in…

Neurons and Cognition · Quantitative Biology 2018-07-03 Arna Ghosh , Fabien dal Maso , Marc Roig , Georgios D Mitsis , Marie-Hélène Boudrias

Data transformations (e.g. rotations, reflections, and cropping) play an important role in self-supervised learning. Typically, images are transformed into different views, and neural networks trained on tasks involving these views produce…

Machine Learning · Computer Science 2022-02-04 Chen Qiu , Timo Pfrommer , Marius Kloft , Stephan Mandt , Maja Rudolph