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Charting cortical growth trajectories is of paramount importance for understanding brain development. However, such analysis necessitates the collection of longitudinal data, which can be challenging due to subject dropouts and failed…

Computer Vision and Pattern Recognition · Computer Science 2020-09-15 Peirong Liu , Zhengwang Wu , Gang Li , Pew-Thian Yap , Dinggang Shen

Semantic Segmentation using deep convolutional neural network pose more complex challenge for any GPU intensive task. As it has to compute million of parameters, it results to huge memory consumption. Moreover, extracting finer features and…

Computer Vision and Pattern Recognition · Computer Science 2020-05-19 Sharif Amit Kamran , Ali Shihab Sabbir

Separating and labeling each instance of a nucleus (instance-aware segmentation) is the key challenge in segmenting single cell nuclei on fluorescence microscopy images. Deep Neural Networks can learn the implicit transformation of a…

Computer Vision and Pattern Recognition · Computer Science 2021-08-11 Florian Kromp , Lukas Fischer , Eva Bozsaky , Inge Ambros , Wolfgang Doerr , Sabine Taschner-Mandl , Peter Ambros , Allan Hanbury

In this paper, we present a fully automatic brain tumor segmentation and classification model using a Deep Convolutional Neural Network that includes a multiscale approach. One of the differences of our proposal with respect to previous…

Image and Video Processing · Electrical Eng. & Systems 2024-02-12 Francisco Javier Díaz-Pernas , Mario Martínez-Zarzuela , Míriam Antón-Rodríguez , David González-Ortega

Session-based recommendation (SBR) has drawn increasingly research attention in recent years, due to its great practical value by only exploiting the limited user behavior history in the current session. Existing methods typically learn the…

Information Retrieval · Computer Science 2022-01-12 Ansong Li , Zhiyong Cheng , Fan Liu , Zan Gao , Weili Guan , Yuxin Peng

Diffusion magnetic resonance imaging, a non-invasive tool to infer white matter fiber connections, produces a large number of streamlines containing a wealth of information on structural connectivity. The size of these tractography outputs…

Computer Vision and Pattern Recognition · Computer Science 2018-04-17 Kuldeep Kumar , Kaleem Siddiqi , Christian Desrosiers

Graph, as an important data representation, is ubiquitous in many real world applications ranging from social network analysis to biology. How to correctly and effectively learn and extract information from graph is essential for a large…

Machine Learning · Computer Science 2020-10-27 Xiaodong Jiang , Ronghang Zhu , Pengsheng Ji , Sheng Li

Graph representation learning has attracted much attention in supporting high quality candidate search at scale. Despite its effectiveness in learning embedding vectors for objects in the user-item interaction network, the computational…

Information Retrieval · Computer Science 2020-03-05 Qiaoyu Tan , Ninghao Liu , Xing Zhao , Hongxia Yang , Jingren Zhou , Xia Hu

The design of periodic nanostructures allows to tailor the transport of photons, phonons, and matter waves for specific applications. Recent years have seen a further expansion of this field by engineering topological properties. However,…

Mesoscale and Nanoscale Physics · Physics 2021-06-16 Vittorio Peano , Florian Sapper , Florian Marquardt

Convolution Neural Network (CNN) has gained tremendous success in computer vision tasks with its outstanding ability to capture the local latent features. Recently, there has been an increasing interest in extending convolution operations…

Machine Learning · Computer Science 2018-11-09 Guokun Lai , Hanxiao Liu , Yiming Yang

Diffusion-weighted Magnetic Resonance Imaging (dMRI) is increasingly used to study the fetal brain in utero. An important computation enabled by dMRI is streamline tractography, which has unique applications such as tract-specific analysis…

Computer Vision and Pattern Recognition · Computer Science 2024-03-06 Camilo Calixto , Camilo Jaimes , Matheus D. Soldatelli , Simon K. Warfield , Ali Gholipour , Davood Karimi

This work introduces a new unsupervised representation learning technique called Deep Convolutional Transform Learning (DCTL). By stacking convolutional transforms, our approach is able to learn a set of independent kernels at different…

Machine Learning · Computer Science 2020-10-05 Jyoti Maggu , Angshul Majumdar , Emilie Chouzenoux , Giovanni Chierchia

Modern deep learning architectures increasingly contend with sophisticated signals that are natively infinite-dimensional, such as time series, probability distributions, or operators, and are defined over irregular domains. Yet, a unified…

Machine Learning · Computer Science 2026-05-21 Kartik Tandon , Julian Gould , Tanishq Bhatia , Francesca Dominici , Alejandro Ribeiro , Claudio Battiloro

We propose a geometric deep-learning-based framework, TractGeoNet, for performing regression using diffusion magnetic resonance imaging (dMRI) tractography and associated pointwise tissue microstructure measurements. By employing a point…

Computer Vision and Pattern Recognition · Computer Science 2023-07-11 Yuqian Chen , Leo R. Zekelman , Chaoyi Zhang , Tengfei Xue , Yang Song , Nikos Makris , Yogesh Rathi , Alexandra J. Golby , Weidong Cai , Fan Zhang , Lauren J. O'Donnell

Nowadays, we mainly use various convolution neural network (CNN) structures to extract features from radio data or spectrogram in AMR. Based on expert experience and spectrograms, they not only increase the difficulty of preprocessing, but…

Signal Processing · Electrical Eng. & Systems 2019-12-10 Miao Du , Qin Yu , Shaomin Fei , Chen Wang , Xiaofeng Gong , Ruisen Luo

Many-to-one maps are ubiquitous in machine learning, from the image recognition model that assigns a multitude of distinct images to the concept of "cat" to the time series forecasting model which assigns a range of distinct time-series to…

Machine Learning · Computer Science 2022-02-28 Nico Courts , Henry Kvinge

In this paper, we propose a novel deep learning architecture combining stacked Bi-directional LSTM and LSTMs with the Siamese network architecture for segmentation of brain fibers, obtained from tractography data, into anatomically…

Computer Vision and Pattern Recognition · Computer Science 2017-12-29 Shreyas Malakarjun Patil , Aditya Nigam , Arnav Bhavsar , Chiranjoy Chattopadhyay

A quest to determine the complete sequence of a human DNA from telomere to telomere started three decades ago and was finally completed in 2021. This accomplishment was a result of a tremendous effort of numerous experts who engineered…

Genomics · Quantitative Biology 2022-06-03 Lovro Vrček , Xavier Bresson , Thomas Laurent , Martin Schmitz , Mile Šikić

Current fine-grained classification approaches often rely on a robust localization of object parts to extract localized feature representations suitable for discrimination. However, part localization is a challenging task due to the large…

Computer Vision and Pattern Recognition · Computer Science 2014-11-17 Marcel Simon , Erik Rodner , Joachim Denzler

Predicting the evolution of a representative sample of a material with microstructure is a fundamental problem in homogenization. In this work we propose a graph convolutional neural network that utilizes the discretized representation of…

Machine Learning · Computer Science 2021-11-30 Ari Frankel , Cosmin Safta , Coleman Alleman , Reese Jones