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Current diffusion models for human image animation often struggle to maintain identity (ID) consistency, especially when the reference image and driving video differ significantly in body size or position. We introduce StableAnimator++, the…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Shuyuan Tu , Zhen Xing , Xintong Han , Zhi-Qi Cheng , Qi Dai , Chong Luo , Zuxuan Wu , Yu-Gang Jiang

In this work, we present a novel global descriptor termed stable triangle descriptor (STD) for 3D place recognition. For a triangle, its shape is uniquely determined by the length of the sides or included angles. Moreover, the shape of…

Computer Vision and Pattern Recognition · Computer Science 2023-02-23 Chongjian Yuan , Jiarong Lin , Zuhao Zou , Xiaoping Hong , Fu Zhang

Estimating camera pose in dynamic environments is a critical challenge, as most visual SLAM and SfM methods assume static scenes. While recent dynamic-aware methods exist, they are often not unified: semantic-based approaches are brittle,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 Jianhao Zheng , Liyuan Zhu , Zihan Zhu , Iro Armeni

Gait recognition, which refers to the recognition or identification of a person based on their body shape and walking styles, derived from video data captured from a distance, is widely used in crime prevention, forensic identification, and…

Computer Vision and Pattern Recognition · Computer Science 2022-07-14 Hung-Min Hsu , Yizhou Wang , Cheng-Yen Yang , Jenq-Neng Hwang , Hoang Le Uyen Thuc , Kwang-Ju Kim

This tutorial paper provides an introduction to recently developed tools for machine learning, especially learning dynamical systems (system identification), with stability and robustness constraints. The main ideas are drawn from…

Systems and Control · Electrical Eng. & Systems 2021-10-04 Ian R. Manchester , Max Revay , Ruigang Wang

Place recognition is a challenging problem in mobile robotics, especially in unstructured environments or under viewpoint and illumination changes. Most LiDAR-based methods rely on geometrical features to overcome such challenges, as…

Robotics · Computer Science 2018-12-03 Jiadong Guo , Paulo V. K. Borges , Chanoh Park , Abel Gawel

We introduce Fiducial Exoskeletons, an image-based reformulation of 3D robot state estimation that replaces cumbersome procedures and motor-centric pipelines with single-image inference. Traditional approaches - especially robot-camera…

Robotics · Computer Science 2026-01-14 Cameron Smith , Basile Van Hoorick , Vitor Guizilini , Yue Wang

In autonomous driving, the temporal stability of 3D object detection greatly impacts the driving safety. However, the detection stability cannot be accessed by existing metrics such as mAP and MOTA, and consequently is less explored by the…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Jiabao Wang , Qiang Meng , Guochao Liu , Liujiang Yan , Ke Wang , Ming-Ming Cheng , Qibin Hou

A fundamental challenge in robust visual-inertial odometry (VIO) is to dynamically assess the reliability of sensor measurements. This assessment is crucial for properly weighting the contribution of each measurement to the state estimate.…

Robotics · Computer Science 2025-10-03 Seungwon Choi , Donggyu Park , Seo-Yeon Hwang , Tae-Wan Kim

LiDAR-based place recognition serves as a crucial enabler for long-term autonomy in robotics and autonomous driving systems. Yet, prevailing methodologies relying on handcrafted feature extraction face dual challenges: (1) Inconsistent…

Computer Vision and Pattern Recognition · Computer Science 2025-08-28 Xiaohui Jiang , Haijiang Zhu , Chade Li , Fulin Tang , Ning An

Markerless augmented reality (AR) has the potential to provide engaging experiences and improve outcomes across a wide variety of industries; the overlaying of virtual content, or holograms, onto a view of the real world without the need…

Human-Computer Interaction · Computer Science 2021-10-01 Tim Scargill , Jiasi Chen , Maria Gorlatova

Video segmentation approaches are of great importance for numerous vision tasks especially in video manipulation for entertainment. Due to the challenges associated with acquiring high-quality per-frame segmentation annotations and large…

Computer Vision and Pattern Recognition · Computer Science 2020-10-27 Mingyang Qian , Yi Fu , Xiao Tan , Yingying Li , Jinqing Qi , Huchuan Lu , Shilei Wen , Errui Ding

Pose estimation is a widely explored problem, enabling many robotic tasks such as grasping and manipulation. In this paper, we tackle the problem of pose estimation for objects that exhibit rotational symmetry, which are common in man-made…

Computer Vision and Pattern Recognition · Computer Science 2018-10-16 Enric Corona , Kaustav Kundu , Sanja Fidler

Semi-dense detector-free approaches (SDF), such as LoFTR, are currently among the most popular image matching methods. While SDF methods are trained to establish correspondences between two images, their performances are almost exclusively…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Matthieu Vilain , Rémi Giraud , Hugo Germain , Guillaume Bourmaud

The interest in Physical Human-Robot Interaction (pHRI) has significantly increased over the last two decades thanks to the availability of collaborative robots that guarantee user safety during force exchanges. For this reason, stability…

Robotics · Computer Science 2025-12-02 Davide Tebaldi , Dario Onfiani , Luigi Biagiotti

Understanding cross-subject and cross-device consistency in visual fixation prediction is essential for advancing eye-tracking applications, including visual attention modeling and neuroprosthetics. This study evaluates fixation consistency…

Human-Computer Interaction · Computer Science 2026-02-23 Yuli Wu , Henning Konermann , Emil Mededovic , Peter Walter , Johannes Stegmaier

Nowadays we are witnessing a transformation of the business processes towards a more computation driven approach. The ever increasing usage of Machine Learning techniques is the clearest example of such trend. This sort of revolution is…

Machine Learning · Computer Science 2022-03-18 Giorgio Visani , Enrico Bagli , Federico Chesani , Alessandro Poluzzi , Davide Capuzzo

Most recent 6D object pose estimation methods first use object detection to obtain 2D bounding boxes before actually regressing the pose. However, the general object detection methods they use are ill-suited to handle cluttered scenes, thus…

Computer Vision and Pattern Recognition · Computer Science 2023-03-23 Yang Hai , Rui Song , Jiaojiao Li , Mathieu Salzmann , Yinlin Hu

Even during fixation the human eye is constantly in low amplitude motion, jittering over small angles in random directions at up to 100Hz. This motion results in all features of the image on the retina constantly traversing a number of…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 David W Arathorn , Josephine C. D'Angelo , Austin Roorda

We present a method for human pose tracking that is based on learning spatiotemporal relationships among joints. Beyond generating the heatmap of a joint in a given frame, our system also learns to predict the offset of the joint from a…

Computer Vision and Pattern Recognition · Computer Science 2019-03-28 Xiao Sun , Chuankang Li , Stephen Lin