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Computational modeling of Multiresolution- Fractional Brownian motion (fBm) has been effective in stochastic multiscale fractal texture feature extraction and machine learning of abnormal brain tissue segmentation. Further, deep…

Image and Video Processing · Electrical Eng. & Systems 2023-06-09 A. Temtam , L. Pei , K. Iftekharuddin

We introduce a family of multilayer graph kernels and establish new links between graph convolutional neural networks and kernel methods. Our approach generalizes convolutional kernel networks to graph-structured data, by representing…

Machine Learning · Statistics 2020-06-30 Dexiong Chen , Laurent Jacob , Julien Mairal

Accurate segmentation of fetal brain magnetic resonance images is crucial for analyzing fetal brain development and detecting potential neurodevelopmental abnormalities. Traditional deep learning-based automatic segmentation, although…

We present a novel graph neural network (GNN) approach for cell tracking in high-throughput microscopy videos. By modeling the entire time-lapse sequence as a direct graph where cell instances are represented by its nodes and their…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Tal Ben-Haim , Tammy Riklin Raviv

This work proposed a novel learning objective to train a deep neural network to perform end-to-end image pixel clustering. We applied the approach to instance segmentation, which is at the intersection of image semantic segmentation and…

Computer Vision and Pattern Recognition · Computer Science 2018-03-20 Yen-Chang Hsu , Zheng Xu , Zsolt Kira , Jiawei Huang

Automated surface segmentation is important and challenging in many medical image analysis applications. Recent deep learning based methods have been developed for various object segmentation tasks. Most of them are a classification based…

Image and Video Processing · Electrical Eng. & Systems 2020-07-03 Leixin Zhou , Xiaodong Wu

We propose a novel approach for automatic extraction (instance segmentation) of fibers from low resolution 3D X-ray computed tomography scans of short glass fiber reinforced polymers. We have designed a 3D instance segmentation architecture…

Computer Vision and Pattern Recognition · Computer Science 2019-01-07 Tomasz Konopczyński , Thorben Kröger , Lei Zheng , Jürgen Hesser

Segmenting a structural magnetic resonance imaging (MRI) scan is an important pre-processing step for analytic procedures and subsequent inferences about longitudinal tissue changes. Manual segmentation defines the current gold standard in…

Computer Vision and Pattern Recognition · Computer Science 2017-06-07 Alex Fedorov , Jeremy Johnson , Eswar Damaraju , Alexei Ozerin , Vince Calhoun , Sergey Plis

Many scientific and engineering processes produce spatially unstructured data. However, most data-driven models require a feature matrix that enforces both a set number and order of features for each sample. They thus cannot be easily…

Machine Learning · Computer Science 2021-09-30 Francis Ogoke , Kazem Meidani , Amirreza Hashemi , Amir Barati Farimani

The study objective was to investigate the performance of a dedicated convolutional neural network (CNN) optimized for wrist cartilage segmentation from 2D MR images. CNN utilized a planar architecture and patch-based (PB) training approach…

Convolutional Neural Network (CNN) is one of the most important architectures in deep learning. The fundamental building block of a CNN is a trainable filter, represented as a discrete grid, used to perform convolution on discrete input…

Machine Learning · Computer Science 2023-05-26 Dario Coscia , Laura Meneghetti , Nicola Demo , Giovanni Stabile , Gianluigi Rozza

In this paper, a novel 3D deep learning network is proposed for brain MR image segmentation with randomized connection, which can decrease the dependency between layers and increase the network capacity. The convolutional LSTM and 3D…

Computer Vision and Pattern Recognition · Computer Science 2018-05-23 Siqi Bao , Pei Wang , Tony C. W. Mok , Albert C. S. Chung

In this paper, we propose DeepCut, a method to obtain pixelwise object segmentations given an image dataset labelled with bounding box annotations. It extends the approach of the well-known GrabCut method to include machine learning by…

Automated segmentation of individual calf muscle compartments from 3D magnetic resonance (MR) images is essential for developing quantitative biomarkers for muscular disease progression and its prediction. Achieving clinically acceptable…

Image and Video Processing · Electrical Eng. & Systems 2020-12-23 Zhihui Guo , Honghai Zhang , Zhi Chen , Ellen van der Plas , Laurie Gutmann , Daniel Thedens , Peggy Nopoulos , Milan Sonka

Like other applications in computer vision, medical image segmentation has been most successfully addressed using deep learning models that rely on the convolution operation as their main building block. Convolutions enjoy important…

Image and Video Processing · Electrical Eng. & Systems 2022-04-05 Davood Karimi , Serge Vasylechko , Ali Gholipour

Diffusion-weighted magnetic resonance imaging allows for reconstruction of models for structural connectivity in the brain, such as fiber orientation distribution functions (ODFs) that describe the distribution, direction, and volume of…

The analysis of the brain surface modeled as a graph mesh is a challenging task. Conventional deep learning approaches often rely on data lying in the Euclidean space. As an extension to irregular graphs, convolution operations are defined…

Image and Video Processing · Electrical Eng. & Systems 2019-11-25 Ran He , Karthik Gopinath , Christian Desrosiers , Herve Lombaert

General graphs are difficult for learning due to their irregular structures. Existing works employ message passing along graph edges to extract local patterns using customized graph kernels, but few of them are effective for the integration…

Computer Vision and Pattern Recognition · Computer Science 2020-07-23 Yecheng Lyu , Ming Li , Xinming Huang , Ulkuhan Guler , Patrick Schaumont , Ziming Zhang

Convolutional neural networks (CNNs) have been the de facto standard in a diverse set of computer vision tasks for many years. Especially, deep neural networks based on seminal architectures such as U-shaped models with skip-connections or…

Image and Video Processing · Electrical Eng. & Systems 2022-08-02 Reza Azad , Moein Heidari , Moein Shariatnia , Ehsan Khodapanah Aghdam , Sanaz Karimijafarbigloo , Ehsan Adeli , Dorit Merhof

Convolutional Neural Networks (CNNs) have recently led to incredible breakthroughs on a variety of pattern recognition problems. Banks of finite impulse response filters are learned on a hierarchy of layers, each contributing more abstract…

Computer Vision and Pattern Recognition · Computer Science 2017-07-18 Felipe Petroski Such , Shagan Sah , Miguel Dominguez , Suhas Pillai , Chao Zhang , Andrew Michael , Nathan Cahill , Raymond Ptucha