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Human body pose estimation and hand detection are two important tasks for systems that perform computer vision-based sign language recognition(SLR). However, both tasks are challenging, especially when the input is color videos, with no…

计算机视觉与模式识别 · 计算机科学 2016-04-21 Srujana Gattupalli , Amir Ghaderi , Vassilis Athitsos

Purpose. Localizing structures and estimating the motion of a specific target region are common problems for navigation during surgical interventions. Optical coherence tomography (OCT) is an imaging modality with a high spatial and…

图像与视频处理 · 电气工程与系统科学 2020-04-22 Marcel Bengs , Nils Gessert , Matthias Schlüter , Alexander Schlaefer

Robust estimation of the essential matrix, which encodes the relative position and orientation of two cameras, is a fundamental step in structure from motion pipelines. Recent deep-based methods achieved accurate estimation by using complex…

计算机视觉与模式识别 · 计算机科学 2024-11-05 Dror Moran , Yuval Margalit , Guy Trostianetsky , Fadi Khatib , Meirav Galun , Ronen Basri

Physical activities and social interactions are essential activities that ensure a healthy lifestyle. Public open spaces (POS), such as parks, plazas and greenways, are key environments that encourage those activities. To evaluate a POS,…

计算机视觉与模式识别 · 计算机科学 2020-02-05 Peng Sun , Rui Hou , Jerome Lynch

Estimating the pose of an uncooperative spacecraft is an important computer vision problem for enabling the deployment of automatic vision-based systems in orbit, with applications ranging from on-orbit servicing to space debris removal.…

计算机视觉与模式识别 · 计算机科学 2023-10-03 Leo Pauly , Wassim Rharbaoui , Carl Shneider , Arunkumar Rathinam , Vincent Gaudilliere , Djamila Aouada

To test the effectiveness of process discovery algorithms, a Process Discovery Contest (PDC) has been set up. This PDC uses a classification approach to measure this effectiveness: The better the discovered model can classify whether or not…

人工智能 · 计算机科学 2018-06-22 H. M. W. Verbeek , R. Medeiros de Carvalho

Vision-language models (VLMs), such as CLIP, have demonstrated impressive zero-shot capabilities for various downstream tasks. Their performance can be further enhanced through few-shot prompt tuning methods. However, current studies…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Zhi Zhou , Ming Yang , Jiang-Xin Shi , Lan-Zhe Guo , Yu-Feng Li

The fact that every human has a distinctive walking style has prompted a proposal to use gait recognition as an identification criterion. Using end-to-end learning, I investigated whether the center-of-pressure trajectory is sufficiently…

定量方法 · 定量生物学 2020-08-10 Philippe Terrier

Yoga is a popular form of exercise worldwide due to its spiritual and physical health benefits, but incorrect postures can lead to injuries. Automated yoga pose classification has therefore gained importance to reduce reliance on expert…

计算机视觉与模式识别 · 计算机科学 2025-12-05 Mohammed Mohiuddin , Syed Mohammod Minhaz Hossain , Sumaiya Khanam , Prionkar Barua , Aparup Barua , MD Tamim Hossain

Compared to other biometrics, gait is difficult to conceal and has the advantage of being unobtrusive. Inertial sensors, such as accelerometers and gyroscopes, are often used to capture gait dynamics. These inertial sensors are commonly…

机器学习 · 计算机科学 2020-04-30 Qin Zou , Yanling Wang , Qian Wang , Yi Zhao , Qingquan Li

This work aims to discuss the current landscape of kinematic analysis tools, ranging from the state-of-the-art in sports biomechanics such as inertial measurement units (IMUs) and retroreflective marker-based optical motion capture (MoCap)…

计算机视觉与模式识别 · 计算机科学 2025-03-20 Kai Armstrong , Alexander Rodrigues , Alexander P. Willmott , Lei Zhang , Xujiong Ye

This paper revisits camera pose estimation through the lens of self-supervised pretraining, focusing on inverse-dynamics pretraining as a scalable alternative to the current trend of fully supervised training with 3D annotations.…

计算机视觉与模式识别 · 计算机科学 2026-05-01 Zhengqing Wang , Saurabh Nair , Prajwal Chidananda , Pujith Kachana , Samuel Li , Matthew Brown , Yasutaka Furukawa

Gait recognition has emerged as a robust biometric modality due to its non-intrusive nature. Conventional gait recognition methods mainly rely on silhouettes or skeletons. While effective in controlled laboratory settings, their limited…

计算机视觉与模式识别 · 计算机科学 2026-02-24 Hangrui Xu , Zhengxian Wu , Chuanrui Zhang , Zhuohong Chen , Zhifang Liu , Peng Jiao , Haoqian Wang

Objective: To systematically quantify the effect of the camera view (frontal vs. lateral) on the accuracy of 2D markerless gait analysis relative to 3D motion capture ground truth. Methods: Gait data from 18 subjects were recorded…

计算机视觉与模式识别 · 计算机科学 2025-09-23 Dong Chen , Huili Peng , Yong Hu , Kenneth MC. Cheung

In this paper, a marker-based, single-person optical motion capture method (DeepMoCap) is proposed using multiple spatio-temporally aligned infrared-depth sensors and retro-reflective straps and patches (reflectors). DeepMoCap explores…

计算机视觉与模式识别 · 计算机科学 2021-10-15 Anargyros Chatzitofis , Dimitrios Zarpalas , Stefanos Kollias , Petros Daras

The performance of visual SLAM in complex, real-world scenarios is often compromised by unreliable feature extraction and matching when using handcrafted features. Although deep learning-based local features excel at capturing high-level…

机器人学 · 计算机科学 2024-06-26 Hao Qu , Lilian Zhang , Jun Mao , Junbo Tie , Xiaofeng He , Xiaoping Hu , Yifei Shi , Changhao Chen

Deep learning models achieve state-of-the-art performance across domains but face scalability challenges in real-time or resource-constrained scenarios. To address this, we propose Loss Trajectory Correlation (LTC), a novel metric for…

机器学习 · 计算机科学 2025-03-14 Manish Nagaraj , Deepak Ravikumar , Efstathia Soufleri , Kaushik Roy

We review and evaluate a body of deep learning knowledge tracing (DLKT) models with openly available and widely-used data sets, and with a novel data set of students learning to program. The evaluated knowledge tracing models include…

机器学习 · 计算机科学 2022-04-06 Sami Sarsa , Juho Leinonen , Arto Hellas

As a unique biometric that can be perceived at a distance, gait has broad applications in person authentication, social security, and so on. Existing gait recognition methods suffer from changes in viewpoint and clothing and barely consider…

计算机视觉与模式识别 · 计算机科学 2023-10-03 Jingqi Li , Jiaqi Gao , Yuzhen Zhang , Hongming Shan , Junping Zhang

Effectively measuring the similarity between two human motions is necessary for several computer vision tasks such as gait analysis, person identi- fication and action retrieval. Nevertheless, we believe that traditional approaches such as…

计算机视觉与模式识别 · 计算机科学 2018-08-07 Huseyin Coskun , David Joseph Tan , Sailesh Conjeti , Nassir Navab , Federico Tombari