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We introduce VERTEX, an effective solution to recover 3D shape and intrinsic texture of vehicles from uncalibrated monocular input in real-world street environments. To fully utilize the template prior of vehicles, we propose a novel…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Xiaochen Zhao , Zerong Zheng , Chaonan Ji , Zhenyi Liu , Siyou Lin , Tao Yu , Jinli Suo , Yebin Liu

The detection and classification of intersections between triangles are crucial tasks in a wide range of applications within Computer Graphics and Geometry Processing, including mesh Arrangements, mesh Booleans, and generic mesh processing…

Computational Geometry · Computer Science 2025-07-14 Luca Garau , Gianmarco Cherchi

Accurate estimation of the positions and shapes of microscale objects is crucial for automated imaging-guided manipulation using a non-contact technique such as optical tweezers. Perception methods that use traditional computer vision…

Image and Video Processing · Electrical Eng. & Systems 2019-07-09 Ekta U. Samani , Wei Guo , Ashis G. Banerjee

We present a continuous-time collision detection algorithm for quickly detecting whether certain polynomial trajectories in time intersect with convex obstacles. The algorithm is used in conjunction with an existing multicopter trajectory…

Robotics · Computer Science 2019-07-22 Nathan Bucki , Mark W. Mueller

We present a robust learning algorithm to detect and handle collisions in 3D deforming meshes. Our collision detector is represented as a bilevel deep autoencoder with an attention mechanism that identifies colliding mesh sub-parts. We use…

Computer Vision and Pattern Recognition · Computer Science 2021-10-18 Qingyang Tan , Zherong Pan , Breannan Smith , Takaaki Shiratori , Dinesh Manocha

We address the problem of unsupervised learning of complex articulated object models from 3D range data. We describe an algorithm whose input is a set of meshes corresponding to different configurations of an articulated object. The…

Computer Vision and Pattern Recognition · Computer Science 2012-07-19 Dragomir Anguelov , Daphne Koller , Hoi-Cheung Pang , Praveen Srinivasan , Sebastian Thrun

This paper presents a distributed approach for exploring and triangulating an unknown region using a multi- robot system. The objective is to produce a covering of an unknown workspace by a fixed number of robots such that the covered…

Robotics · Computer Science 2014-02-04 SeoungKyou Lee , Aaron Becker , Sándor P. Fekete , Alexander Kröller , James McLurkin

We describe an approach for segmenting an image into regions that correspond to surfaces in the scene that are partially surrounded by the medium. It integrates both appearance and motion statistics into a cost functional, that is seeded…

Computer Vision and Pattern Recognition · Computer Science 2011-09-23 Alper Ayvaci , Stefano Soatto

When simulating multiscale stochastic differential equations (SDEs) in high-dimensions, separation of timescales, stochastic noise and high-dimensionality can make simulations prohibitively expensive. The computational cost is dictated by…

Dynamical Systems · Mathematics 2015-10-13 Miles Crosskey , Mauro Maggioni

We study the problem of unsupervised discovery and segmentation of object parts, which, as an intermediate local representation, are capable of finding intrinsic object structure and providing more explainable recognition results. Recent…

Computer Vision and Pattern Recognition · Computer Science 2021-05-27 Shilong Liu , Lei Zhang , Xiao Yang , Hang Su , Jun Zhu

In this work, we propose a new segmentation algorithm for images containing convex objects present in multiple shapes with a high degree of overlap. The proposed algorithm is carried out in two steps, first we identify the visible contours,…

Computer Vision and Pattern Recognition · Computer Science 2017-11-08 Kumar Abhinav , Jaideep Singh Chauhan , Debasis Sarkar

Finding an unsupervised decomposition of an image into individual objects is a key step to leverage compositionality and to perform symbolic reasoning. Traditionally, this problem is solved using amortized inference, which does not…

Computer Vision and Pattern Recognition · Computer Science 2022-10-27 Pradyumna Reddy , Paul Guerrero , Niloy J. Mitra

We present an approach for detecting and estimating the 3D poses of objects in images that requires only an untextured CAD model and no training phase for new objects. Our approach combines Deep Learning and 3D geometry: It relies on an…

Computer Vision and Pattern Recognition · Computer Science 2020-10-09 Giorgia Pitteri , Aurélie Bugeau , Slobodan Ilic , Vincent Lepetit

Mixture models are well-established learning approaches that, in computer vision, have mostly been applied to inverse or ill-defined problems. However, they are general-purpose divide-and-conquer techniques, splitting the input space into…

Computer Vision and Pattern Recognition · Computer Science 2020-04-21 Ali Varamesh , Tinne Tuytelaars

Current approaches to semantic image and scene understanding typically employ rather simple object representations such as 2D or 3D bounding boxes. While such coarse models are robust and allow for reliable object detection, they discard…

Computer Vision and Pattern Recognition · Computer Science 2014-11-24 M. Zeeshan Zia , Michael Stark , Konrad Schindler

This study presents a rigid-deformation decomposition framework for vehicle collision dynamics that mitigates the spectral bias of implicit neural representations, that is, coordinate-based neural networks that directly map spatio-temporal…

Computational Engineering, Finance, and Science · Computer Science 2025-12-18 Sanghyuk Kim , Minsik Seo , Sunwoong Yang , Namwoo Kang

In this paper, we address the task of detecting semantic parts on partially occluded objects. We consider a scenario where the model is trained using non-occluded images but tested on occluded images. The motivation is that there are…

Computer Vision and Pattern Recognition · Computer Science 2017-07-26 Jianyu Wang , Cihang Xie , Zhishuai Zhang , Jun Zhu , Lingxi Xie , Alan Yuille

State-of-the-art object pose estimation methods are prone to generating geometrically infeasible pose hypotheses. This problem is prevalent in dexterous manipulation, where estimated poses often intersect with the robotic hand or are not…

Robotics · Computer Science 2026-03-24 Anil Zeybek , Rhys Newbury , Snehal Dikhale , Nawid Jamali , Soshi Iba , Akansel Cosgun

Obstacle avoidance from monocular images is a challenging problem for robots. Though multi-view structure-from-motion could build 3D maps, it is not robust in textureless environments. Some learning based methods exploit human demonstration…

Robotics · Computer Science 2017-05-01 Shichao Yang , Sandeep Konam , Chen Ma , Stephanie Rosenthal , Manuela Veloso , Sebastian Scherer

Current 6D object pose estimation methods usually require a 3D model for each object. These methods also require additional training in order to incorporate new objects. As a result, they are difficult to scale to a large number of objects…

Computer Vision and Pattern Recognition · Computer Science 2020-06-15 Keunhong Park , Arsalan Mousavian , Yu Xiang , Dieter Fox