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Reconstructing detailed 3D human meshes from a single in-the-wild image remains a fundamental challenge in computer vision. Existing SMPLX-based methods often suffer from slow inference, produce only coarse body poses, and exhibit…

计算机视觉与模式识别 · 计算机科学 2026-02-06 Jiahao Wu , Yunfei Liu , Lijian Lin , Ye Zhu , Lei Zhu , Jingyi Li , Yu Li

Human Activity Recognition has gained significant attention due to its diverse applications, including ambient assisted living and remote sensing. Wearable sensor-based solutions often suffer from user discomfort and reliability issues,…

Recovering world-coordinate human motion from monocular videos with humanoid robot retargeting is significant for embodied intelligence and robotics. To avoid complex SLAM pipelines or heavy temporal models, we propose a lightweight,…

机器人学 · 计算机科学 2025-12-29 Zhangzheng Tu , Kailun Su , Shaolong Zhu , Yukun Zheng

In this paper, we present a HAnd Mesh Recovery (HAMR) framework to tackle the problem of reconstructing the full 3D mesh of a human hand from a single RGB image. In contrast to existing research on 2D or 3D hand pose estimation from RGB…

计算机视觉与模式识别 · 计算机科学 2019-09-10 Xiong Zhang , Qiang Li , Hong Mo , Wenbo Zhang , Wen Zheng

Multi-beam radar sensing systems are emerging as powerful tools for non-contact motion tracking and vital-sign monitoring in healthcare environments. This paper presents the design and experimental validation of a synchronized…

信号处理 · 电气工程与系统科学 2026-01-21 Mohammad Omid Bagheri , Justin Chow , Josh Visser , Veronica Leong , George Shaker

3D reconstruction techniques such as LiDAR scanning and photogrammetry have made it practical to build detailed geometric models of real-world environments. Such reconstructed models can potentially serve as the foundation for wireless…

网络与互联网体系结构 · 计算机科学 2026-05-27 Haofan Lu , Yadi Cao , Wanghao Yi , Omid Abari

This study introduces an improved VMD based signal decomposition methodology for non-contact heartbeat estimation using millimeterwave (mmWave) radar. Specifically, we first analyze the signal model of the mmWave radar system. The…

信号处理 · 电气工程与系统科学 2025-02-18 Boyuan Gu , Yanhui Yang , Siyu You , Haiyang Sun , Jiahui Sun , Shisheng Guo

We present Multi-HMR, a strong sigle-shot model for multi-person 3D human mesh recovery from a single RGB image. Predictions encompass the whole body, i.e., including hands and facial expressions, using the SMPL-X parametric model and 3D…

计算机视觉与模式识别 · 计算机科学 2024-07-25 Fabien Baradel , Matthieu Armando , Salma Galaaoui , Romain Brégier , Philippe Weinzaepfel , Grégory Rogez , Thomas Lucas

As one of the automotive sensors that have emerged in recent years, 4D millimeter-wave radar has a higher resolution than conventional 3D radar and provides precise elevation measurements. But its point clouds are still sparse and noisy,…

计算机视觉与模式识别 · 计算机科学 2026-01-14 Hongsi Liu , Jun Liu , Guangfeng Jiang , Xin Jin

Despite significant progress in single image-based 3D human mesh recovery, accurately and smoothly recovering 3D human motion from a video remains challenging. Existing video-based methods generally recover human mesh by estimating the…

计算机视觉与模式识别 · 计算机科学 2023-08-22 Yingxuan You , Hong Liu , Ti Wang , Wenhao Li , Runwei Ding , Xia Li

This work explores Doppler information from a millimetre-Wave (mm-W) Frequency-Modulated Continuous-Wave (FMCW) scanning radar to make odometry estimation more robust and accurate. Firstly, doppler information is added to the scan masking…

机器人学 · 计算机科学 2023-12-15 Fraser Rennie , David Williams , Paul Newman , Daniele De Martini

Radar human motion recognition methods based on deep learning models has been a heated spot of remote sensing in recent years, yet the existing methods are mostly radial-oriented. In practical application, the test data could be…

信号处理 · 电气工程与系统科学 2025-01-22 Hao Fan , Lingfeng Chen , Chengbai Xu , Jiadong Zhou , Yongpeng Dai , Panhe HU

To properly assist humans in their needs, human activity recognition (HAR) systems need the ability to fuse information from multiple modalities. Our hypothesis is that multimodal sensors, visual and non-visual tend to provide complementary…

计算机视觉与模式识别 · 计算机科学 2022-11-09 Hyeongju Choi , Apoorva Beedu , Harish Haresamudram , Irfan Essa

This study proposes a method for simulating signals received by frequency-modulated continuous-wave radar during respiratory monitoring, using human body geometry and displacement data acquired via a depth camera. Unlike previous studies…

信号处理 · 电气工程与系统科学 2025-07-21 Kimitaka Sumi , Takuya Sakamoto

Compared to joint position, the accuracy of joint rotation and shape estimation has received relatively little attention in the skinned multi-person linear model (SMPL)-based human mesh reconstruction from multi-view images. The work in…

计算机视觉与模式识别 · 计算机科学 2022-08-25 Sungho Chun , Sungbum Park , Ju Yong Chang

The fact that the millimeter-wave (mmWave) multiple-input multiple-output (MIMO) channel has sparse support in the spatial domain has motivated recent compressed sensing (CS)-based mmWave channel estimation methods, where the angles of…

信息论 · 计算机科学 2022-04-19 Wei Zhang , Miaomiao Dong , Taejoon Kim

A well established method to detect and classify human movements using Millimeter-Wave ( mmWave) devices is the time-frequency analysis of the small-scale Doppler effect (termed micro-Doppler) of the different body parts, which requires a…

信号处理 · 电气工程与系统科学 2022-07-22 Jacopo Pegoraro , Jesus Omar Lacruz , Michele Rossi , Joerg Widmer

Radar-based contactless cardiac monitoring has become a popular research direction recently, but the fine-grained electrocardiogram (ECG) signal is still hard to reconstruct from millimeter-wave radar signal. The key obstacle is to decouple…

信号处理 · 电气工程与系统科学 2025-05-07 Yuanyuan Zhang , Runwei Guan , Lingxiao Li , Rui Yang , Yutao Yue , Eng Gee Lim

In modern on-driving computing environments, many sensors are used for context-aware applications. This paper utilizes two deep learning models, U-Net and EfficientNet, which consist of a convolutional neural network (CNN), to detect hand…

信号处理 · 电气工程与系统科学 2022-11-08 Hankyul Baek , Yoo Jeong , Ha , Minjae Yoo , Soyi Jung , Joongheon Kim

We present neural radiance fields for rendering and temporal (4D) reconstruction of humans in motion (H-NeRF), as captured by a sparse set of cameras or even from a monocular video. Our approach combines ideas from neural scene…

计算机视觉与模式识别 · 计算机科学 2021-11-03 Hongyi Xu , Thiemo Alldieck , Cristian Sminchisescu
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