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Interactive applications demand believable characters that respond naturally to dynamic environments. Traditional character animation techniques often struggle to handle arbitrary situations, leading to a growing trend of dynamically…

Graphics · Computer Science 2025-10-28 Jose Luis Ponton , Sheldon Andrews , Carlos Andujar , Nuria Pelechano

Rotation invariance has been studied in the computer vision community primarily in the context of small in-plane rotations. This is usually achieved by building invariant image features. However, the problem of achieving invariance for…

Computer Vision and Pattern Recognition · Computer Science 2016-11-18 Lokesh Boominathan , Suraj Srinivas , R. Venkatesh Babu

As hyperparameter tuning becomes increasingly costly at scale, efficient tuning methods are essential. Yet principles for guiding hyperparameter tuning remain limited. In this work, we seek to establish such principles by considering a…

Machine Learning · Computer Science 2025-09-30 Bingrui Li , Jiaxin Wen , Zhanpeng Zhou , Jun Zhu , Jianfei Chen

Visual Object tracking research has undergone significant improvement in the past few years. The emergence of tracking by detection approach in tracking paradigm has been quite successful in many ways. Recently, deep convolutional neural…

Computer Vision and Pattern Recognition · Computer Science 2017-11-23 Litu Rout , Sidhartha , Gorthi R. K. S. S. Manyam , Deepak Mishra

Non-adversarial robustness, also known as natural robustness, is a property of deep learning models that enables them to maintain performance even when faced with distribution shifts caused by natural variations in data. However, achieving…

Machine Learning · Computer Science 2023-05-25 Gorana Gojić , Vladimir Vincan , Ognjen Kundačina , Dragiša Mišković , Dinu Dragan

Loss of plasticity is a phenomenon in which neural networks lose their ability to learn from new experience. Despite being empirically observed in several problem settings, little is understood about the mechanisms that lead to loss of…

Machine Learning · Computer Science 2024-10-08 Alex Lewandowski , Haruto Tanaka , Dale Schuurmans , Marlos C. Machado

Existing automatic approaches for 3D virtual character motion synthesis supporting scene interactions do not generalise well to new objects outside training distributions, even when trained on extensive motion capture datasets with diverse…

Computer Vision and Pattern Recognition · Computer Science 2024-02-16 Wanyue Zhang , Rishabh Dabral , Thomas Leimkühler , Vladislav Golyanik , Marc Habermann , Christian Theobalt

Human motion prediction is an essential component for enabling closer human-robot collaboration. The task of accurately predicting human motion is non-trivial. It is compounded by the variability of human motion, both at a skeletal level…

Robotics · Computer Science 2021-07-02 Mohammad Samin Yasar , Tariq Iqbal

Inspired by two basic mechanisms in animal visual systems, we introduce a feature transform technique that imposes invariance properties in the training of deep neural networks. The resulting algorithm requires less parameter tuning, trains…

Computer Vision and Pattern Recognition · Computer Science 2021-12-10 Chengxi Ye , Xiong Zhou , Tristan McKinney , Yanfeng Liu , Qinggang Zhou , Fedor Zhdanov

Soft robotics aims to develop robots able to adapt their behavior across a wide range of unstructured and unknown environments. A critical challenge of soft robotic control is that nonlinear dynamics often result in complex behaviors hard…

Neural and Evolutionary Computing · Computer Science 2023-11-03 John Daly , Daniel Casper , Muhammad Farooq , Andrew James , Ali Khan , Phoenix Mulgrew , Daniel Tyebkhan , Bao Vo , John Rieffel

Shift invariance is a critical property of CNNs that improves performance on classification. However, we show that invariance to circular shifts can also lead to greater sensitivity to adversarial attacks. We first characterize the margin…

Machine Learning · Computer Science 2021-11-23 Songwei Ge , Vasu Singla , Ronen Basri , David Jacobs

Uncertain dynamic obstacles, such as pedestrians or vehicles, pose a major challenge for optimal robot navigation with safety guarantees. Previous work on motion planning has followed two main strategies to provide a safe bound on an…

Producing agents that can generalize to a wide range of visually different environments is a significant challenge in reinforcement learning. One method for overcoming this issue is visual domain randomization, whereby at the start of each…

Machine Learning · Computer Science 2020-03-09 Reda Bahi Slaoui , William R. Clements , Jakob N. Foerster , Sébastien Toth

Real-time animation of virtual characters has traditionally been accomplished by playing short sequences of animations structured in the form of a graph. These methods are time-consuming to set up and scale poorly with the number of motions…

Graphics · Computer Science 2023-10-10 Jose Luis Ponton

Finding matching keypoints between images is a core problem in 3D computer vision. However, modern matchers struggle with large in-plane rotations. A straightforward mitigation is to learn rotation invariance via data augmentation. However,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 David Nordström , Johan Edstedt , Fredrik Kahl , Georg Bökman

In this position paper, we consider the state of computer vision research with respect to invariance to the horizontal orientation of an image -- what we term reflection invariance. We describe why we consider reflection invariance to be an…

Computer Vision and Pattern Recognition · Computer Science 2015-06-09 Craig Henderson , Ebroul Izquierdo

We propose a deep videorealistic 3D human character model displaying highly realistic shape, motion, and dynamic appearance learned in a new weakly supervised way from multi-view imagery. In contrast to previous work, our controllable 3D…

Computer Vision and Pattern Recognition · Computer Science 2021-09-01 Marc Habermann , Lingjie Liu , Weipeng Xu , Michael Zollhoefer , Gerard Pons-Moll , Christian Theobalt

Learning representations that capture the underlying data generating process is a key problem for data efficient and robust use of neural networks. One key property for robustness which the learned representation should capture and which…

Machine Learning · Computer Science 2022-06-24 Mathieu Chevalley , Charlotte Bunne , Andreas Krause , Stefan Bauer

Deep Convolutional Neural Networks (DCNNs) have demonstrated impressive robustness to recognize objects under transformations (eg. blur or noise) when these transformations are included in the training set. A hypothesis to explain such…

Computer Vision and Pattern Recognition · Computer Science 2023-06-16 Hojin Jang , Syed Suleman Abbas Zaidi , Xavier Boix , Neeraj Prasad , Sharon Gilad-Gutnick , Shlomit Ben-Ami , Pawan Sinha

Robots in dynamic environments need fast, accurate models of how objects move in their environments to support agile planning. In sports such as ping pong, analytical models often struggle to accurately predict ball trajectories with spins…

Robotics · Computer Science 2025-02-24 Qingyu Xiao , Zixuan Wu , Matthew Gombolay