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Landmarks often play a key role in face analysis, but many aspects of identity or expression cannot be represented by sparse landmarks alone. Thus, in order to reconstruct faces more accurately, landmarks are often combined with additional…

The objective of this paper is self-supervised learning of spatio-temporal embeddings from video, suitable for human action recognition. We make three contributions: First, we introduce the Dense Predictive Coding (DPC) framework for…

Computer Vision and Pattern Recognition · Computer Science 2019-09-30 Tengda Han , Weidi Xie , Andrew Zisserman

This paper introduces a novel human pose estimation approach using sparse inertial sensors, addressing the shortcomings of previous methods reliant on synthetic data. It leverages a diverse array of real inertial motion capture data from…

Computer Vision and Pattern Recognition · Computer Science 2024-03-08 Yu Zhang , Songpengcheng Xia , Lei Chu , Jiarui Yang , Qi Wu , Ling Pei

Deep neural networks deliver state-of-the-art visual recognition, but they rely on large datasets, which are time-consuming to annotate. These datasets are typically annotated in two stages: (1) determining the presence of object classes at…

Computer Vision and Pattern Recognition · Computer Science 2019-12-20 Michael Gygli , Vittorio Ferrari

Object detection and classification of traffic signs in street-view imagery is an essential element for asset management, map making and autonomous driving. However, some traffic signs occur rarely and consequently, they are difficult to…

Computer Vision and Pattern Recognition · Computer Science 2018-09-06 Clint Sebastian , Ries Uittenbogaard , Julien Vijverberg , Bas Boom , Peter H. N. de With

Counting objects in crowded scenes remains a challenge to computer vision. The current deep learning based approach often formulate it as a Gaussian density regression problem. Such a brute-force regression, though effective, may not…

Computer Vision and Pattern Recognition · Computer Science 2023-11-09 Yuehai Chen , Jing Yang , Badong Chen , Hua Gang , Shaoyi Du

Real-time human activity recognition plays an essential role in real-world human-centered robotics applications, such as assisted living and human-robot collaboration. Although previous methods based on skeletal data to encode human poses…

Computer Vision and Pattern Recognition · Computer Science 2020-04-08 Brian Reily , Qingzhao Zhu , Christopher Reardon , Hao Zhang

Reinforcement learning in large-scale environments is challenging due to the many possible actions that can be taken in specific situations. We have previously developed a means of constraining, and hence speeding up, the search process…

Machine Learning · Computer Science 2021-11-30 Isaac J. Sledge , Darshan W. Bryner , Jose C. Principe

Convolutional Siamese neural networks have been recently used to track objects using deep features. Siamese architecture can achieve real time speed, however it is still difficult to find a Siamese architecture that maintains the…

Computer Vision and Pattern Recognition · Computer Science 2018-09-11 Mohamed H. Abdelpakey , Mohamed S. Shehata , Mostafa M. Mohamed

In this work, we introduce LEAD, an approach to discover landmarks from an unannotated collection of category-specific images. Existing works in self-supervised landmark detection are based on learning dense (pixel-level) feature…

Computer Vision and Pattern Recognition · Computer Science 2022-04-07 Tejan Karmali , Abhinav Atrishi , Sai Sree Harsha , Susmit Agrawal , Varun Jampani , R. Venkatesh Babu

Retail scenes usually contain densely packed high number of objects in each image. Standard object detection techniques use fully supervised training methodology. This is highly costly as annotating a large dense retail object detection…

Computer Vision and Pattern Recognition · Computer Science 2021-07-06 Jaydeep Chauhan , Srikrishna Varadarajan , Muktabh Mayank Srivastava

Dashboard cameras (dashcams) record millions of driving videos daily, offering a valuable potential data source for various applications, including driving map production and updates. A necessary step for utilizing these dashcam data…

Computer Vision and Pattern Recognition · Computer Science 2024-09-30 Yipeng Lu , Yifan Zhao , Haiping Wang , Zhiwei Ruan , Yuan Liu , Zhen Dong , Bisheng Yang

A key technical challenge in performing 6D object pose estimation from RGB-D image is to fully leverage the two complementary data sources. Prior works either extract information from the RGB image and depth separately or use costly…

Computer Vision and Pattern Recognition · Computer Science 2019-01-16 Chen Wang , Danfei Xu , Yuke Zhu , Roberto Martín-Martín , Cewu Lu , Li Fei-Fei , Silvio Savarese

We address the visual relocalization problem of predicting the location and camera orientation or pose (6DOF) of the given input scene. We propose a method based on how humans determine their location using the visible landmarks. We define…

Computer Vision and Pattern Recognition · Computer Science 2018-11-13 Soham Saha , Girish Varma , C. V. Jawahar

Motions are reflected in videos as the movement of pixels, and actions are essentially patterns of inconsistent motions between the foreground and the background. To well distinguish the actions, especially those with complicated…

Computer Vision and Pattern Recognition · Computer Science 2021-04-02 Ziyuan Huang , Shiwei Zhang , Jianwen Jiang , Mingqian Tang , Rong Jin , Marcelo Ang

Traditionally, 3d indoor datasets have generally prioritized scale over ground-truth accuracy in order to obtain improved generalization. However, using these datasets to evaluate dense geometry tasks, such as depth rendering, can be…

Computer Vision and Pattern Recognition · Computer Science 2025-01-07 HyunJun Jung , Weihang Li , Shun-Cheng Wu , William Bittner , Nikolas Brasch , Jifei Song , Eduardo Pérez-Pellitero , Zhensong Zhang , Arthur Moreau , Nassir Navab , Benjamin Busam

Computer vision tasks such as object detection and semantic/instance segmentation rely on the painstaking annotation of large training datasets. In this paper, we propose LocTex that takes advantage of the low-cost localized textual…

Computer Vision and Pattern Recognition · Computer Science 2021-08-27 Zhijian Liu , Simon Stent , Jie Li , John Gideon , Song Han

This dissertation presents a methodology for recording speed climbing training sessions with multiple cameras and annotating the videos with relevant data, including body position, hand and foot placement, and timing. The annotated data is…

Computer Vision and Pattern Recognition · Computer Science 2023-05-24 Yufei Xie , Shaoman Li , Penghui Lin

DensePose provides a pixel-accurate association of images with 3D mesh coordinates, but does not provide a 3D mesh, while Human Mesh Reconstruction (HMR) systems have high 2D reprojection error, as measured by DensePose localization…

Computer Vision and Pattern Recognition · Computer Science 2024-06-17 Eric-Tuan Lê , Antonis Kakolyris , Petros Koutras , Himmy Tam , Efstratios Skordos , George Papandreou , Rıza Alp Güler , Iasonas Kokkinos

We propose a novel algorithm for accelerating dense long-term 3D point tracking in videos. Through analysis of existing state-of-the-art methods, we identify two major computational bottlenecks. First, transformer-based iterative tracking…

Computer Vision and Pattern Recognition · Computer Science 2025-12-11 Tuan Duc Ngo , Ashkan Mirzaei , Guocheng Qian , Hanwen Liang , Chuang Gan , Evangelos Kalogerakis , Peter Wonka , Chaoyang Wang