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This paper presents a new framework for human body part segmentation based on Deep Convolutional Neural Networks trained using only synthetic data. The proposed approach achieves cutting-edge results without the need of training the models…

Computer Vision and Pattern Recognition · Computer Science 2022-06-08 Alessandro Saviolo , Matteo Bonotto , Daniele Evangelista , Marco Imperoli , Jacopo Lazzaro , Emanuele Menegatti , Alberto Pretto

We propose a spherical kernel for efficient graph convolution of 3D point clouds. Our metric-based kernels systematically quantize the local 3D space to identify distinctive geometric relationships in the data. Similar to the regular grid…

Computer Vision and Pattern Recognition · Computer Science 2020-03-24 Huan Lei , Naveed Akhtar , Ajmal Mian

Convolutional Neural Networks (CNNs) are a cornerstone of the Deep Learning toolbox and have led to many breakthroughs in Artificial Intelligence. These networks have mostly been developed for regular Euclidean domains such as those…

Cosmology and Nongalactic Astrophysics · Physics 2021-01-05 Nathanaël Perraudin , Michaël Defferrard , Tomasz Kacprzak , Raphael Sgier

Face parsing is an important problem in computer vision that finds numerous applications including recognition and editing. Recently, deep convolutional neural networks (CNNs) have been applied to image parsing and segmentation with the…

Computer Vision and Pattern Recognition · Computer Science 2017-08-08 Sifei Liu , Jianping Shi , Ji Liang , Ming-Hsuan Yang

Segmentation of white matter lesions and deep grey matter structures is an important task in the quantification of magnetic resonance imaging in multiple sclerosis. In this paper we explore segmentation solutions based on convolutional…

In computer vision, superpixels have been widely used as an effective way to reduce the number of image primitives for subsequent processing. But only a few attempts have been made to incorporate them into deep neural networks. One main…

Computer Vision and Pattern Recognition · Computer Science 2020-03-31 Fengting Yang , Qian Sun , Hailin Jin , Zihan Zhou

In the last decade, deep learning has contributed to advances in a wide range computer vision tasks including texture analysis. This paper explores a new approach for texture segmentation using deep convolutional neural networks, sharing…

Computer Vision and Pattern Recognition · Computer Science 2017-03-16 Vincent Andrearczyk , Paul F. Whelan

Surface codes are a promising method of quantum error correction and the basis of many proposed quantum computation implementations. However, their efficient decoding is still not fully explored. Recently, approaches based on machine…

Quantum Physics · Physics 2020-11-04 Thomas Wagner , Hermann Kampermann , Dagmar Bruß

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…

Scene parsing is an important and challenging prob- lem in computer vision. It requires labeling each pixel in an image with the category it belongs to. Tradition- ally, it has been approached with hand-engineered features from color…

Machine Learning · Statistics 2014-11-18 Rahul Mohan

In this paper we present a methodology that uses convolutional neural networks (CNNs) for segmentation by iteratively growing predicted mask regions in each coordinate direction. The CNN is used to predict class probability scores in a…

Image and Video Processing · Electrical Eng. & Systems 2020-09-25 John Lagergren , Erica Rutter , Kevin Flores

Convolution is a central operation in Convolutional Neural Networks (CNNs), which applies a kernel to overlapping regions shifted across the image. However, because of the strong correlations in real-world image data, convolutional kernels…

Whole brain parcellation requires inferring hundreds of segmentation labels in large image volumes and thus presents significant practical challenges for deep learning approaches. We introduce label merge-and-split, a method that first…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Aaron Kujawa , Reuben Dorent , Sebastien Ourselin , Tom Vercauteren

Automatic medical image segmentation via convolutional neural networks (CNNs) has shown promising results. However, they may not always be robust enough for clinical use. Sub-optimal segmentation would require clinician's to manually…

Image and Video Processing · Electrical Eng. & Systems 2021-10-26 Helena Williams , João Pedrosa , Laura Cattani , Susanne Housmans , Tom Vercauteren , Jan Deprest , Jan D'hooge

Current fMRI decoders face a performance-fidelity trade-off where efficient ID encoders outperform geometrically faithful surface-based models. We argue this is partly driven by inefficient surface tokenization and the failure to use…

Artificial Intelligence · Computer Science 2026-05-26 Sijin Yu , Zijiao Chen , Zhenyu Yang , Zihao Tan , Jiakun Xu , Zhongliang Liu , Shengxian Chen , Wenxuan Wu , Xiangmin Xu , Xin Zhang

Cortical surface analysis has gained increased prominence, given its potential implications for neurological and developmental disorders. Traditional vision diffusion models, while effective in generating natural images, present limitations…

Image and Video Processing · Electrical Eng. & Systems 2024-02-08 Zhenshan Xie , Simon Dahan , Logan Z. J. Williams , M. Jorge Cardoso , Emma C. Robinson

Recent advances in deep learning have improved the segmentation accuracy of subcortical brain structures, which would be useful in neuroimaging studies of many neurological disorders. However, most of the previous deep learning work does…

Computer Vision and Pattern Recognition · Computer Science 2019-02-21 Yilin Liu , Gengyan Zhao , Brendon M. Nacewicz , Nagesh Adluru , Gregory R. Kirk , Peter A Ferrazzano , Martin Styner , Andrew L. Alexander

Medical images used in clinical practice are heterogeneous and not the same quality as scans studied in academic research. Preprocessing breaks down in extreme cases when anatomy, artifacts, or imaging parameters are unusual or protocols…

Image and Video Processing · Electrical Eng. & Systems 2022-08-31 Mostafa Mehdipour Ghazi , Mads Nielsen

We present a baseline convolutional neural network (CNN) structure and image preprocessing methodology to improve facial expression recognition algorithm using CNN. To analyze the most efficient network structure, we investigated four…

Computer Vision and Pattern Recognition · Computer Science 2016-11-15 Minchul Shin , Munsang Kim , Dong-Soo Kwon

The reconstruction of cortical surfaces from brain magnetic resonance imaging (MRI) scans is essential for quantitative analyses of cortical thickness and sulcal morphology. Although traditional and deep learning-based algorithmic pipelines…

Computer Vision and Pattern Recognition · Computer Science 2022-03-21 Fabian Bongratz , Anne-Marie Rickmann , Sebastian Pölsterl , Christian Wachinger