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Brain segmentation from neonatal MRI images is a very challenging task due to large changes in the shape of cerebral structures and variations in signal intensities reflecting the gestational process. In this context, there is a clear need…

Machine Learning · Statistics 2023-09-12 R Valabregue , F Girka , A Pron , F Rousseau , G Auzias

We demonstrate the use of similarity domains (SDs) for shape modeling and skeleton extraction. SDs are recently proposed and they can be utilized in a neural network framework to help us analyze shapes. SDs are modeled with radial basis…

Computer Vision and Pattern Recognition · Computer Science 2019-06-04 Sedat Ozer

Previous works on font generation mainly focus on the standard print fonts where character's shape is stable and strokes are clearly separated. There is rare research on brush handwriting font generation, which involves holistic structure…

Computer Vision and Pattern Recognition · Computer Science 2022-04-25 Shaozu Yuan , Ruixue Liu , Meng Chen , Baoyang Chen , Zhijie Qiu , Xiaodong He

Gait recognition is emerging as a promising and innovative area within the field of computer vision, widely applied to remote person identification. Although existing gait recognition methods have achieved substantial success in controlled…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Zhengxian Wu , Chuanrui Zhang , Hangrui Xu , Peng Jiao , Haoqian Wang

Recently, skeleton-based approaches have achieved rapid progress on the basis of great success in skeleton representation. Plenty of researches focus on solving specific problems according to skeleton features. Some skeleton-based…

Computer Vision and Pattern Recognition · Computer Science 2020-12-24 Jie Li , Binglin Li , Min Gao

It is known that the kinematics of the human body skeleton reveals valuable information in action recognition. Recently, modeling skeletons as spatio-temporal graphs with Graph Convolutional Networks (GCNs) has been reported to solidly…

Computer Vision and Pattern Recognition · Computer Science 2021-05-17 Bruno Degardin , Vasco Lopes , Hugo Proença

This paper focuses on the challenging task of learning 3D object surface reconstructions from single RGB images. Existing methods achieve varying degrees of success by using different geometric representations. However, they all have their…

Computer Vision and Pattern Recognition · Computer Science 2019-04-11 Jiapeng Tang , Xiaoguang Han , Junyi Pan , Kui Jia , Xin Tong

Graph Convolutional Networks (GCNs) have long defined the state-of-the-art in skeleton-based action recognition, leveraging their ability to unravel the complex dynamics of human joint topology through the graph's adjacency matrix. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Yuxuan Zhou , Zhi-Qi Cheng , Jun-Yan He , Bin Luo , Yifeng Geng , Xuansong Xie

Evaluation is critical to both developing and tuning Structure from Motion (SfM) and Visual SLAM (VSLAM) systems, but is universally reliant on high-quality geometric ground truth -- a resource that is not only costly and time-intensive…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Alejandro Fontan , Javier Civera , Tobias Fischer , Michael Milford

Gait recognition, a long-distance biometric technology, has aroused intense interest recently. Currently, the two dominant gait recognition works are appearance-based and model-based, which extract features from silhouettes and skeletons,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-27 Likai Wang , Ruize Han , Wei Feng

Preparation of high-quality datasets for the urban scene understanding is a labor-intensive task, especially, for datasets designed for the autonomous driving applications. The application of the coarse ground truth (GT) annotations of…

Computer Vision and Pattern Recognition · Computer Science 2019-04-04 Vlad Taran , Yuri Gordienko , Alexandr Rokovyi , Oleg Alienin , Sergii Stirenko

Human activity and gesture recognition is an important component of rapidly growing domain of ambient intelligence, in particular in assisting living and smart homes. In this paper, we propose to combine the power of two deep learning…

Computer Vision and Pattern Recognition · Computer Science 2020-07-24 Kenneth Lai , Svetlana N. Yanushkevich

Robust gait recognition requires highly discriminative representations, which are closely tied to input modalities. While binary silhouettes and skeletons have dominated recent literature, these 2D representations fall short of capturing…

Computer Vision and Pattern Recognition · Computer Science 2025-08-06 Xinzhu Li , Juepeng Zheng , Yikun Chen , Xudong Mao , Guanghui Yue , Wei Zhou , Chenlei Lv , Ruomei Wang , Fan Zhou , Baoquan Zhao

Decomposing a point cloud into its components and extracting curve skeletons from point clouds are two related problems. Decomposition of a shape into its components is often obtained as a byproduct of skeleton extraction. In this work, we…

Graphics · Computer Science 2019-12-30 Vijai Jayadevan , Edward Delp , Zygmunt Pizlo

Objective evaluation of new and improved methods for PET imaging requires access to images with ground truth, as can be obtained through simulation studies. However, for these studies to be clinically relevant, it is important that the…

For multimodal skeleton-based action recognition, Graph Convolutional Networks (GCNs) are effective models. Still, their reliance on floating-point computations leads to high energy consumption, limiting their applicability in…

Computer Vision and Pattern Recognition · Computer Science 2025-10-31 Naichuan Zheng , Yuchen Du , Hailun Xia , Zeyu Liang

The prevalence and perniciousness of fake news has been a critical issue on the Internet, which stimulates the development of automatic fake news detection in turn. In this paper, we focus on the evidence-based fake news detection, where…

Computation and Language · Computer Science 2022-02-09 Weizhi Xu , Junfei Wu , Qiang Liu , Shu Wu , Liang Wang

Accurate three-dimensional perception is a fundamental task in several computer vision applications. Recently, commercial RGB-depth (RGB-D) cameras have been widely adopted as single-view depth-sensing devices owing to their efficient…

Computer Vision and Pattern Recognition · Computer Science 2022-07-27 Jiwan Kim , Minchang Kim , Yeong-Gil Shin , Minyoung Chung

This paper presents an accurate and fast algorithm for road segmentation using convolutional neural network (CNN) and gated recurrent units (GRU). For autonomous vehicles, road segmentation is a fundamental task that can provide the…

Computer Vision and Pattern Recognition · Computer Science 2018-04-17 Yecheng Lyu , Xinming Huang

Person identification is a problem that has received substantial attention, particularly in security domains. Gait recognition is one of the most convenient approaches enabling person identification at a distance without the need of…

Computer Vision and Pattern Recognition · Computer Science 2023-05-24 Luke K. Topham , Wasiq Khan , Dhiya Al-Jumeily , Abir Hussain