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This paper proposes a novel contact and wearable sensing system for estimating the upper body posture and joint angles (ankle, knee, and hip) of the human body using foot pressure distribution information obtained from a sensor attached to…

人机交互 · 计算机科学 2024-01-24 Yo Kobayashi , Yasutaka Nakashima

Proprioception is the "sixth sense" that detects limb postures with motor neurons. It requires a natural integration between the musculoskeletal systems and sensory receptors, which is challenging among modern robots that aim for…

机器人学 · 计算机科学 2024-07-30 Xiaobo Liu , Xudong Han , Wei Hong , Fang Wan , Chaoyang Song

We introduce a framework for dynamic evaluation of the fingers movements: flexion, extension, abduction and adduction. This framework estimates angle measurements from joints computed by a hand pose estimation algorithm using a depth sensor…

计算机视觉与模式识别 · 计算机科学 2019-03-19 Luciano Walenty Xavier Cejnog , Roberto Marcondes Cesar , Teofilo Emidio de Campos , Valeria Meirelles Carril Elui

3D human pose estimation errors would propagate along the human body topology and accumulate at the end joints of limbs. Inspired by the backtracking mechanism in automatic control systems, we design an Intra-Part Constraint module that…

计算机视觉与模式识别 · 计算机科学 2023-02-21 Jialun Cai , Hong Liu , Runwei Ding , Wenhao Li , Jianbing Wu , Miaoju Ban

This paper considers the task of locating articulated poses of multiple robots in images. Our approach simultaneously infers the number of robots in a scene, identifies joint locations and estimates sparse depth maps around joint locations.…

计算机视觉与模式识别 · 计算机科学 2019-02-14 Christoph Heindl , Sebastian Zambal , Thomas Ponitz , Andreas Pichler , Josef Scharinger

Two-dimensional pose estimation plays a crucial role in fingerprint recognition by facilitating global alignment and reduce pose-induced variations. However, existing methods are still unsatisfactory when handling with large angle or small…

计算机视觉与模式识别 · 计算机科学 2025-05-06 Xiongjun Guan , Zhiyu Pan , Jianjiang Feng , Jie Zhou

This work proposes a novel pose estimation model for object categories that can be effectively transferred to previously unseen environments. The deep convolutional network models (CNN) for pose estimation are typically trained and…

计算机视觉与模式识别 · 计算机科学 2022-03-04 Negar Nejatishahidin , Pooya Fayyazsanavi , Jana Kosecka

Recording muscle tendon junction displacements during movement, allows separate investigation of the muscle and tendon behaviour, respectively. In order to provide a fully-automatic tracking method, we employ a novel deep learning approach…

Detection of surgical instruments plays a key role in ensuring patient safety in minimally invasive surgery. In this paper, we present a novel method for 2D vision-based recognition and pose estimation of surgical instruments that…

计算机视觉与模式识别 · 计算机科学 2017-10-19 Thomas Kurmann , Pablo Marquez Neila , Xiaofei Du , Pascal Fua , Danail Stoyanov , Sebastian Wolf , Raphael Sznitman

Recently, mid-level features have shown promising performance in computer vision. Mid-level features learned by incorporating class-level information are potentially more discriminative than traditional low-level local features. In this…

计算机视觉与模式识别 · 计算机科学 2014-09-16 Pichao Wang , Wanqing Li , Philip Ogunbona , Zhimin Gao , Hanling Zhang

This paper addresses the challenge of 3D full-body human pose estimation from a monocular image sequence. Here, two cases are considered: (i) the image locations of the human joints are provided and (ii) the image locations of joints are…

计算机视觉与模式识别 · 计算机科学 2016-04-29 Xiaowei Zhou , Menglong Zhu , Spyridon Leonardos , Kosta Derpanis , Kostas Daniilidis

Multi-person pose estimation and tracking serve as crucial steps for video understanding. Most state-of-the-art approaches rely on first estimating poses in each frame and only then implementing data association and refinement. Despite the…

计算机视觉与模式识别 · 计算机科学 2021-06-08 Yiding Yang , Zhou Ren , Haoxiang Li , Chunluan Zhou , Xinchao Wang , Gang Hua

As lung cancer evolves, the presence of enlarged and potentially malignant lymph nodes must be assessed to properly estimate disease progression and select the best treatment strategy. Following the clinical guidelines, estimation of…

图像与视频处理 · 电气工程与系统科学 2022-05-03 David Bouget , André Pedersen , Johanna Vanel , Haakon O. Leira , Thomas Langø

In this paper, we present a deep-learning based method for estimating the 3D structure of a bone from a pair of 2D X-ray images. Our triplet loss-trained neural network selects the most closely matching 3D bone shape from a predefined set…

计算机视觉与模式识别 · 计算机科学 2020-10-12 Jana Čavojská , Julian Petrasch , Nicolas J. Lehmann , Agnès Voisard , Peter Böttcher

Ultrasound imaging of the medial elbow is crucial for the early diagnosis of Ulnar Collateral Ligament (UCL) injuries. Specifically, measuring the elbow joint space in ultrasound images is used to assess the valgus instability of the elbow…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Shizuka Akahori , Shotaro Teruya , Pragyan Shrestha , Yuichi Yoshii , Ryuhei Michinobu , Satoshi Iizuka , Itaru Kitahara

Advances in machine learning and wearable sensors offer new opportunities for capturing and analyzing human movement outside specialized laboratories. Accurate assessment of human movement under real-world conditions is essential for…

Infant motion analysis is a topic with critical importance in early childhood development studies. However, while the applications of human pose estimation have become more and more broad, models trained on large-scale adult pose datasets…

计算机视觉与模式识别 · 计算机科学 2021-11-02 Xiaofei Huang , Nihang Fu , Shuangjun Liu , Sarah Ostadabbas

Magnetic resonance imaging (MRI) has been proposed as a complimentary method to measure bone quality and assess fracture risk. However, manual segmentation of MR images of bone is time-consuming, limiting the use of MRI measurements in the…

计算机视觉与模式识别 · 计算机科学 2019-02-06 Cem M. Deniz , Siyuan Xiang , Spencer Hallyburton , Arakua Welbeck , James S. Babb , Stephen Honig , Kyunghyun Cho , Gregory Chang

Skeletal bone age assessment is a common clinical practice to diagnose endocrine and metabolic disorders in child development. In this paper, we describe a fully automated deep learning approach to the problem of bone age assessment using…

计算机视觉与模式识别 · 计算机科学 2018-09-24 Vladimir Iglovikov , Alexander Rakhlin , Alexandr Kalinin , Alexey Shvets

Ultrasound imaging has recently been introduced as a sensing interface for joint motion estimation. The use of ultrasound images as an estimation method is expected to improve the control performance of assistive devices and human--machine…

人机交互 · 计算机科学 2024-01-05 Yo Kobayashi , Yoshihiro Katagi