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3D human motion prediction, predicting future poses from a given sequence, is an issue of great significance and challenge in computer vision and machine intelligence, which can help machines in understanding human behaviors. Due to the…

计算机视觉与模式识别 · 计算机科学 2022-03-08 Kedi Lyu , Haipeng Chen , Zhenguang Liu , Beiqi Zhang , Ruili Wang

We propose a recurrent neural network architecture with a Forward Kinematics layer and cycle consistency based adversarial training objective for unsupervised motion retargetting. Our network captures the high-level properties of an input…

计算机视觉与模式识别 · 计算机科学 2018-04-17 Ruben Villegas , Jimei Yang , Duygu Ceylan , Honglak Lee

Human motion prediction (HMP) has emerged as a popular research topic due to its diverse applications, but it remains a challenging task due to the stochastic and aperiodic nature of future poses. Traditional methods rely on hand-crafted…

计算机视觉与模式识别 · 计算机科学 2024-07-18 Jiexin Wang , Yujie Zhou , Wenwen Qiang , Ying Ba , Bing Su , Ji-Rong Wen

Due to the availability of large-scale skeleton datasets, 3D human action recognition has recently called the attention of computer vision community. Many works have focused on encoding skeleton data as skeleton image representations based…

计算机视觉与模式识别 · 计算机科学 2019-07-31 Carlos Caetano , Jessica Sena , François Brémond , Jefersson A. dos Santos , William Robson Schwartz

Human action recognition from well-segmented 3D skeleton data has been intensively studied and has been attracting an increasing attention. Online action detection goes one step further and is more challenging, which identifies the action…

计算机视觉与模式识别 · 计算机科学 2016-07-27 Yanghao Li , Cuiling Lan , Junliang Xing , Wenjun Zeng , Chunfeng Yuan , Jiaying Liu

Skeletonization has been a popular shape analysis technique that models both the interior and exterior of an object. Existing template-based calculations of skeletal models from anatomical structures are a time-consuming manual process.…

计算机视觉与模式识别 · 计算机科学 2023-03-06 Ninad Khargonkar , Beatriz Paniagua , Jared Vicory

Predictive learning uses a known state to generate a future state over a period of time. It is a challenging task to predict spatiotemporal sequence because the spatiotemporal sequence varies both in time and space. The mainstream method is…

计算机视觉与模式识别 · 计算机科学 2022-10-05 Haoyu Pan , Hao Wu , Tan Yang

Human actions captured in video sequences are three-dimensional signals characterizing visual appearance and motion dynamics. To learn action patterns, existing methods adopt Convolutional and/or Recurrent Neural Networks (CNNs and RNNs).…

计算机视觉与模式识别 · 计算机科学 2017-08-15 Lin Sun , Kui Jia , Kevin Chen , Dit Yan Yeung , Bertram E. Shi , Silvio Savarese

Skeleton-based action recognition has made great progress recently, but many problems still remain unsolved. For example, most of the previous methods model the representations of skeleton sequences without abundant spatial structure…

计算机视觉与模式识别 · 计算机科学 2018-12-04 Chenyang Si , Ya Jing , Wei Wang , Liang Wang , Tieniu Tan

Spatio-temporal information is key to resolve occlusion and depth ambiguity in 3D pose estimation. Previous methods have focused on either temporal contexts or local-to-global architectures that embed fixed-length spatio-temporal…

计算机视觉与模式识别 · 计算机科学 2020-10-21 Junfa Liu , Juan Rojas , Zhijun Liang , Yihui Li , Yisheng Guan

Pedestrian trajectory prediction is a critical to avoid autonomous driving collision. But this prediction is a challenging problem due to social forces and cluttered scenes. Such human-human and human-space interactions lead to many…

计算机视觉与模式识别 · 计算机科学 2020-09-24 Xiong Dan

Human motion modelling is a classical problem at the intersection of graphics and computer vision, with applications spanning human-computer interaction, motion synthesis, and motion prediction for virtual and augmented reality. Following…

计算机视觉与模式识别 · 计算机科学 2017-05-09 Julieta Martinez , Michael J. Black , Javier Romero

Human-motion generation is a long-standing challenging task due to the requirement of accurately modeling complex and diverse dynamic patterns. Most existing methods adopt sequence models such as RNN to directly model transitions in the…

计算机视觉与模式识别 · 计算机科学 2019-12-24 Zhenyi Wang , Ping Yu , Yang Zhao , Ruiyi Zhang , Yufan Zhou , Junsong Yuan , Changyou Chen

In this paper, we propose a method that estimates a gait index for a sequence of skeletons. Our system is a stack of an encoder and a decoder that are formed by Long Short-Term Memories (LSTMs). In the encoding stage, the characteristics of…

计算机视觉与模式识别 · 计算机科学 2019-08-21 Trong Nguyen Nguyen , Huu Hung Huynh , Jean Meunier

In this paper we developed a hierarchical network model, called Hierarchical Prediction Network (HPNet), to understand how spatiotemporal memories might be learned and encoded in the recurrent circuits in the visual cortical hierarchy for…

神经与进化计算 · 计算机科学 2021-10-04 Jielin Qiu , Ge Huang , Tai Sing Lee

Pedestrian trajectory prediction is essential for collision avoidance in autonomous driving and robot navigation. However, predicting a pedestrian's trajectory in crowded environments is non-trivial as it is influenced by other pedestrians'…

计算机视觉与模式识别 · 计算机科学 2019-02-15 Sirin Haddad , Meiqing Wu , He Wei , Siew Kei Lam

Predicting future frames of a video is challenging because it is difficult to learn the uncertainty of the underlying factors influencing their contents. In this paper, we propose a novel video prediction model, which has…

计算机视觉与模式识别 · 计算机科学 2024-02-20 Xi Ye , Guillaume-Alexandre Bilodeau

Behavior prediction based on historical behavioral data have practical real-world significance. It has been applied in recommendation, predicting academic performance, etc. With the refinement of user data description, the development of…

机器学习 · 计算机科学 2023-09-27 Haobing Liu , Yanmin Zhu , Chunyang Wang , Jianyu Ding , Jiadi Yu , Feilong Tang

Synthesis of long-term human motion skeleton sequences is essential to aid human-centric video generation with potential applications in Augmented Reality, 3D character animations, pedestrian trajectory prediction, etc. Long-term human…

计算机视觉与模式识别 · 计算机科学 2020-12-22 Neeraj Battan , Yudhik Agrawal , Veeravalli Saisooryarao , Aman Goel , Avinash Sharma

Designing video prediction models that account for the inherent uncertainty of the future is challenging. Most works in the literature are based on stochastic image-autoregressive recurrent networks, which raises several performance and…

计算机视觉与模式识别 · 计算机科学 2020-08-10 Jean-Yves Franceschi , Edouard Delasalles , Mickaël Chen , Sylvain Lamprier , Patrick Gallinari