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Falls represent a significant cause of injury among the elderly population. Extensive research has been devoted to the utilization of wearable IMU sensors in conjunction with machine learning techniques for fall detection. To address the…

定量方法 · 定量生物学 2023-10-18 Jie Tang , Bin He , Junkai Xu , Tian Tan , Zhipeng Wang , Yanmin Zhou , Shuo Jiang

Falls are a leading cause of injury and loss of independence among older adults. Vision-based fall prediction systems offer a non-invasive solution to anticipate falls seconds before impact, but their development is hindered by the scarcity…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Md Fokhrul Islam , Sajeda Al-Hammouri , Christopher J. Arellano , Kavan Hazeli , Heman Shakeri

We propose UniPose, a unified framework for human pose estimation, based on our "Waterfall" Atrous Spatial Pooling architecture, that achieves state-of-art-results on several pose estimation metrics. Current pose estimation methods…

计算机视觉与模式识别 · 计算机科学 2020-01-23 Bruno Artacho , Andreas Savakis

Occluded person re-identification is one of the challenging areas of computer vision, which faces problems such as inefficient feature representation and low recognition accuracy. Convolutional neural network pays more attention to the…

计算机视觉与模式识别 · 计算机科学 2022-01-05 Yunbin Zhao , Songhao Zhu , Dongsheng Wang , Zhiwei Liang

Monocular 3D human pose estimation technologies have the potential to greatly increase the availability of human movement data. The best-performing models for single-image 2D-3D lifting use graph convolutional networks (GCNs) that typically…

计算机视觉与模式识别 · 计算机科学 2022-08-09 Sebastian Lutz , Richard Blythman , Koustav Ghosal , Matthew Moynihan , Ciaran Simms , Aljosa Smolic

Existing pre-impact fall detection systems have high accuracy, however they are either intrusive to the subject or require heavy computational resources for fall detection, resulting in prohibitive deployment costs. These factors limit the…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Praveen Jesudhas , Raghuveera T , Shiney Jeyaraj

Estimating 3D human poses from a monocular video is still a challenging task. Many existing methods' performance drops when the target person is occluded by other objects, or the motion is too fast/slow relative to the scale and speed of…

计算机视觉与模式识别 · 计算机科学 2020-10-20 Cheng Yu , Bo Wang , Bo Yang , Robby T. Tan

The 3D pose estimation from a single image is a challenging problem due to depth ambiguity. One type of the previous methods lifts 2D joints, obtained by resorting to external 2D pose detectors, to the 3D space. However, this type of…

计算机视觉与模式识别 · 计算机科学 2021-04-09 Changgong Zhang , Fangneng Zhan , Yuan Chang

Object detection and 6D pose estimation in the crowd (scenes with multiple object instances, severe foreground occlusions and background distractors), has become an important problem in many rapidly evolving technological areas such as…

计算机视觉与模式识别 · 计算机科学 2016-04-20 Andreas Doumanoglou , Rigas Kouskouridas , Sotiris Malassiotis , Tae-Kyun Kim

Depth ambiguity and joint uncertainty are the two main obstacles in obtaining accurate human pose predictions by 2D-to-3D lifting methods proposed in the literature. In particular, these issues are caused by 2D joint locations that can be…

A fall is an abnormal activity that occurs rarely; however, missing to identify falls can have serious health and safety implications on an individual. Due to the rarity of occurrence of falls, there may be insufficient or no training data…

机器学习 · 计算机科学 2018-02-05 Shehroz S. Khan , Jesse Hoey

In this paper, we aim to recover the 3D human pose from 2D body joints of a single image. The major challenge in this task is the depth ambiguity since different 3D poses may produce similar 2D poses. Although many recent advances in this…

计算机视觉与模式识别 · 计算机科学 2019-06-03 Mengxi Jiang , Zhuliang Yu , Cuihua Li , Yunqi Lei

Fall detection for elderly care using non-invasive vision-based systems remains an important yet unsolved problem. Driven by strict privacy requirements, inference must run at the edge of the vision sensor, demanding robust, real-time, and…

Recently, several deep learning models have been proposed for 3D human pose estimation. Nevertheless, most of these approaches only focus on the single-person case or estimate 3D pose of a few people at high resolution. Furthermore, many…

计算机视觉与模式识别 · 计算机科学 2021-01-08 Abdallah Benzine , Florian Chabot , Bertrand Luvison , Quoc Cong Pham , Cahterine Achrd

In monocular video 3D multi-person pose estimation, inter-person occlusion and close interactions can cause human detection to be erroneous and human-joints grouping to be unreliable. Existing top-down methods rely on human detection and…

计算机视觉与模式识别 · 计算机科学 2021-04-08 Yu Cheng , Bo Wang , Bo Yang , Robby T. Tan

It is at times important to detect human presence automatically in secure environments. This needs a shape recognition algorithm that is robust, fast and has low error rates. The algorithm needs to process camera images quickly to detect…

计算机视觉与模式识别 · 计算机科学 2015-06-30 Dhriti Sengupta , Merina Kundu , Jayati Ghosh Dastidar

Fall detection for the elderly is a well-researched problem with several proposed solutions, including wearable and non-wearable techniques. While the existing techniques have excellent detection rates, their adoption by the target…

声音 · 计算机科学 2022-08-24 Prabhjot Kaur , Qifan Wang , Weisong Shi

We address the problem of clothed human reconstruction from a single image or uncalibrated multi-view images. Existing methods struggle with reconstructing detailed geometry of a clothed human and often require a calibrated setting for…

计算机视觉与模式识别 · 计算机科学 2023-04-04 Yukang Cao , Kai Han , Kwan-Yee K. Wong

Recovering 3D human pose from 2D joints is still a challenging problem, especially without any 3D annotation, video information, or multi-view information. In this paper, we present an unsupervised GAN-based model consisting of multiple…

计算机视觉与模式识别 · 计算机科学 2022-04-14 Yicheng Deng , Cheng Sun , Jiahui Zhu , Yongqi Sun

Falls among individuals, especially the elderly population, can lead to serious injuries and complications. Detecting impact moments within a fall event is crucial for providing timely assistance and minimizing the negative consequences. In…

信号处理 · 电气工程与系统科学 2025-02-26 Tresor Y. Koffi , Youssef Mourchid , Mohammed Hindawi , Yohan Dupuis