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This work presents a framework for tracking head movements and capturing the movements of the mouth and both the eyebrows in real-time. We present a head tracker which is a combination of a optical flow and a template based tracker. The…

Computer Vision and Pattern Recognition · Computer Science 2011-01-04 E. R. Gast , Michael S. Lew

Model initialisation is an important component of object tracking. Tracking algorithms are generally provided with the first frame of a sequence and a bounding box (BB) indicating the location of the object. This BB may contain a large…

Computer Vision and Pattern Recognition · Computer Science 2018-05-23 George De Ath , Richard Everson

We present an on-line 3D visual object tracking framework for monocular cameras by incorporating spatial knowledge and uncertainty from semantic mapping along with high frequency measurements from visual odometry. Using a combination of…

Computer Vision and Pattern Recognition · Computer Science 2016-03-15 Prateek Singhal , Ruffin White , Henrik Christensen

This paper presents a comprehensive pipeline for recognizing objects targeted by human pointing gestures using RGB images. As human-robot interaction moves toward more intuitive interfaces, the ability to identify targets of non-verbal…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Lukáš Hajdúch , Viktor Kocur

Video object segmentation aims at accurately segmenting the target object regions across consecutive frames. It is technically challenging for coping with complicated factors (e.g., shape deformations, occlusion and out of the lens). Recent…

Computer Vision and Pattern Recognition · Computer Science 2019-07-03 Peng Sun , Peiwen Lin , Guangliang Cheng , Jianping Shi , Jiawan Zhang , Xi Li

Reference features from a template or historical frames are crucial for visual object tracking. Prior works utilize all features from a fixed template or memory for visual object tracking. However, due to the dynamic nature of videos, the…

Computer Vision and Pattern Recognition · Computer Science 2024-02-28 Xinyu Zhou , Pinxue Guo , Lingyi Hong , Jinglun Li , Wei Zhang , Weifeng Ge , Wenqiang Zhang

3D motion tracking is a critical task in many computer vision applications. Existing 3D motion tracking techniques require either a great amount of knowledge on the target object or specific hardware. These requirements discourage the wide…

Computer Vision and Pattern Recognition · Computer Science 2011-11-21 Luis Quesada , Alejandro J. León

Effective tracking of surrounding traffic participants allows for an accurate state estimation as a necessary ingredient for prediction of future behavior and therefore adequate planning of the ego vehicle trajectory. One approach for…

Robotics · Computer Science 2024-06-04 Patrick Palmer , Martin Krüger , Richard Altendorfer , Torsten Bertram

The $\ell_1$ tracker obtains robustness by seeking a sparse representation of the tracking object via $\ell_1$ norm minimization \cite{Xue_ICCV_09_Track}. However, the high computational complexity involved in the $ \ell_1 $ tracker…

Computer Vision and Pattern Recognition · Computer Science 2010-12-14 Hanxi Li , Chunhua Shen , Qinfeng Shi

To reduce the expensive labor cost for manual labeling autonomous driving datasets, an alternative is to automatically label the datasets using an offline perception system. However, objects might be temporally occluded. Such occlusion…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Xianzhong Liu , Holger Caesar

The ability to detect and track objects in the visual world is a crucial skill for any intelligent agent, as it is a necessary precursor to any object-level reasoning process. Moreover, it is important that agents learn to track objects…

Machine Learning · Computer Science 2019-11-21 Eric Crawford , Joelle Pineau

Tracking the 6DoF pose of unknown objects in monocular RGB video sequences is crucial for robotic manipulation. However, existing approaches typically rely on accurate depth information, which is non-trivial to obtain in real-world…

Computer Vision and Pattern Recognition · Computer Science 2024-12-04 Zhiyuan Chen , Fan Lu , Guo Yu , Bin Li , Sanqing Qu , Yuan Huang , Changhong Fu , Guang Chen

This paper addresses the problem of online tracking and classification of multiple objects in an image sequence. Our proposed solution is to first track all objects in the scene without relying on object-specific prior knowledge, which in…

Computer Vision and Pattern Recognition · Computer Science 2017-10-11 Sebastien C. Wong , Victor Stamatescu , Adam Gatt , David Kearney , Ivan Lee , Mark D. McDonnell

We address the challenging task of foreground object discovery and segmentation in video. We introduce an efficient solution, suitable for both unsupervised and supervised scenarios, based on a spacetime graph representation of the video…

Computer Vision and Pattern Recognition · Computer Science 2019-08-06 Emanuela Haller , Adina Magda Florea , Marius Leordeanu

Visual tracking can be easily disturbed by similar surrounding objects. Such objects as hard distractors, even though being the minority among negative samples, increase the risk of target drift and model corruption, which deserve…

Computer Vision and Pattern Recognition · Computer Science 2020-06-19 Ning Wang , Wengang Zhou , Qi Tian , Houqiang Li

In this paper, we develop a new approach of spatially supervised recurrent convolutional neural networks for visual object tracking. Our recurrent convolutional network exploits the history of locations as well as the distinctive visual…

Computer Vision and Pattern Recognition · Computer Science 2016-07-21 Guanghan Ning , Zhi Zhang , Chen Huang , Zhihai He , Xiaobo Ren , Haohong Wang

Existing visual tracking methods usually localize a target object with a bounding box, in which the performance of the foreground object trackers or detectors is often affected by the inclusion of background clutter. To handle this problem,…

Computer Vision and Pattern Recognition · Computer Science 2018-05-01 Chenglong Li , Liang Lin , Wangmeng Zuo , Jin Tang , Ming-Hsuan Yang

In this paper, we propose a novel pixel-wise visual object tracking framework that can track any anonymous object in a noisy background. The framework consists of two submodels, a global attention model and a local segmentation model. The…

Computer Vision and Pattern Recognition · Computer Science 2018-07-04 Yilin Song , Chenge Li , Yao Wang

We introduce a one-shot learning approach for video object tracking. The proposed algorithm requires seeing the object to be tracked only once, and employs an external memory to store and remember the evolving features of the foreground…

Computer Vision and Pattern Recognition · Computer Science 2017-11-28 Boyu Liu , Yanzhao Wang , Yu-Wing Tai , Chi-Keung Tang

The objective of this paper is a model that is able to discover, track and segment multiple moving objects in a video. We make four contributions: First, we introduce an object-centric segmentation model with a depth-ordered layer…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Junyu Xie , Weidi Xie , Andrew Zisserman