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Accurate localization of cephalometric landmarks holds great importance in the fields of orthodontics and orthognathics due to its potential for automating key point labeling. In the context of landmark detection, particularly in…

Computer Vision and Pattern Recognition · Computer Science 2023-10-02 Qian Wu , Si Yong Yeo , Yufei Chen , Jun Liu

Methods and datasets for human pose estimation focus predominantly on side- and front-view scenarios. We overcome the limitation by leveraging synthetic data and introduce RePoGen (RarE POses GENerator), an SMPL-based method for generating…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Miroslav Purkrabek , Jiri Matas

3D human pose estimation (HPE) in autonomous vehicles (AV) differs from other use cases in many factors, including the 3D resolution and range of data, absence of dense depth maps, failure modes for LiDAR, relative location between the…

Computer Vision and Pattern Recognition · Computer Science 2021-12-23 Jingxiao Zheng , Xinwei Shi , Alexander Gorban , Junhua Mao , Yang Song , Charles R. Qi , Ting Liu , Visesh Chari , Andre Cornman , Yin Zhou , Congcong Li , Dragomir Anguelov

In regression analysis under artificial neural networks, the prediction performance depends on determining the appropriate weights between layers. As randomly initialized weights are updated during back-propagation using the gradient…

Machine Learning · Computer Science 2020-09-09 Eunho Koo , Hyungjun Kim

We propose a model for multiclass classification of time series to make a prediction as early and as accurate as possible. The matrix sequential probability ratio test (MSPRT) is known to be asymptotically optimal for this setting, but…

Machine Learning · Computer Science 2021-06-01 Taiki Miyagawa , Akinori F. Ebihara

The Laplace approximation (LA) has been proposed as a method for approximating the marginal likelihood of statistical models with latent variables. However, the approximate maximum likelihood estimators (MLEs) based on the LA are often…

Methodology · Statistics 2022-07-21 Jeongseop Han , Youngjo Lee

An emerging area of research aims to learn deep generative models with limited training data. Prior generative models like GANs and diffusion models require a lot of data to perform well, and their performance degrades when they are trained…

Computer Vision and Pattern Recognition · Computer Science 2024-09-27 Chirag Vashist , Shichong Peng , Ke Li

By integrating two powerful methods of density reduction and intrinsic dimensionality estimation, a new data-driven method, referred to as OLPP-MLE (orthogonal locality preserving projection-maximum likelihood estimation), is introduced for…

Methodology · Statistics 2020-12-15 Jingxin Zhang , Maoyin Chen , Hao Chen , Xia Hong , Donghua Zhou

Accurate statistical inference in logistic regression models remains a critical challenge when the ratio between the number of parameters and sample size is not negligible. This is because approximations based on either classical asymptotic…

Methodology · Statistics 2022-08-19 Qian Zhao , Emmanuel J. Candes

Regression based methods are not performing as well as detection based methods for human pose estimation. A central problem is that the structural information in the pose is not well exploited in the previous regression methods. In this…

Computer Vision and Pattern Recognition · Computer Science 2017-08-03 Xiao Sun , Jiaxiang Shang , Shuang Liang , Yichen Wei

In this paper, we present a regression-based pose recognition method using cascade Transformers. One way to categorize the existing approaches in this domain is to separate them into 1). heatmap-based and 2). regression-based. In general,…

Computer Vision and Pattern Recognition · Computer Science 2021-04-15 Ke Li , Shijie Wang , Xiang Zhang , Yifan Xu , Weijian Xu , Zhuowen Tu

Recent studies on 2D pose estimation have achieved excellent performance on public benchmarks, yet its application in the industrial community still suffers from heavy model parameters and high latency. In order to bridge this gap, we…

Computer Vision and Pattern Recognition · Computer Science 2023-07-04 Tao Jiang , Peng Lu , Li Zhang , Ningsheng Ma , Rui Han , Chengqi Lyu , Yining Li , Kai Chen

Every student in statistics or data science learns early on that when the sample size largely exceeds the number of variables, fitting a logistic model produces estimates that are approximately unbiased. Every student also learns that there…

Statistics Theory · Mathematics 2022-06-08 Pragya Sur , Emmanuel J. Candes

This paper provides a comprehensive and exhaustive study of adversarial attacks on human pose estimation models and the evaluation of their robustness. Besides highlighting the important differences between well-studied classification and…

Computer Vision and Pattern Recognition · Computer Science 2021-06-11 Sahil Shah , Naman Jain , Abhishek Sharma , Arjun Jain

This paper addresses the problem of 3D human pose estimation from a single image. We follow a standard two-step pipeline by first detecting the 2D position of the $N$ body joints, and then using these observations to infer 3D pose. For the…

Computer Vision and Pattern Recognition · Computer Science 2016-11-29 Francesc Moreno-Noguer

In general, hand pose estimation aims to improve the robustness of model performance in the real-world scenes. However, it is difficult to enhance the robustness since existing datasets are obtained in restricted environments to annotate 3D…

Computer Vision and Pattern Recognition · Computer Science 2023-10-20 Bosang Kim , Jonghyun Kim , Hyotae Lee , Lanying Jin , Jeongwon Ha , Dowoo Kwon , Jungpyo Kim , Wonhyeok Im , KyungMin Jin , Jungho Lee

Recent research on human pose estimation exploits complex structures to improve performance on benchmark datasets, ignoring the resource overhead and inference speed when the model is actually deployed. In this paper, we lighten the…

Computer Vision and Pattern Recognition · Computer Science 2022-05-24 Shiqi Li , Xiang Xiang

Pose estimation commonly refers to computer vision methods that recognize people's body postures in images or videos. With recent advancements in deep learning, we now have compelling models to tackle the problem in real-time. Since these…

Robotics · Computer Science 2021-07-07 Arash Amini , Hafez Farazi , Sven Behnke

In this work, we propose a method for object recognition and pose estimation from depth images using convolutional neural networks. Previous methods addressing this problem rely on manifold learning to learn low dimensional viewpoint…

Computer Vision and Pattern Recognition · Computer Science 2019-04-19 Mai Bui , Sergey Zakharov , Shadi Albarqouni , Slobodan Ilic , Nassir Navab

This paper is on human pose estimation using Convolutional Neural Networks. Our main contribution is a CNN cascaded architecture specifically designed for learning part relationships and spatial context, and robustly inferring pose even for…

Computer Vision and Pattern Recognition · Computer Science 2018-08-28 Adrian Bulat , Georgios Tzimiropoulos