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We introduce an improved solution to the neural image-based rendering problem in computer vision. Given a set of images taken from a freely moving camera at train time, the proposed approach could synthesize a realistic image of the scene…

Computer Vision and Pattern Recognition · Computer Science 2023-11-09 Nishant Jain , Suryansh Kumar , Luc Van Gool

Real-time occlusion handling is a major problem in outdoor mixed reality system because it requires great computational cost mainly due to the complexity of the scene. Using only segmentation, it is difficult to accurately render a virtual…

Computer Vision and Pattern Recognition · Computer Science 2017-08-01 Menandro Roxas , Tomoki Hori , Taiki Fukiage , Yasuhide Okamoto , Takeshi Oishi

Semantic context is an important and useful cue for scene parsing in complicated natural images with a substantial amount of variations in objects and the environment. This paper proposes Spatially Constrained Location Prior (SCLP) for…

Computer Vision and Pattern Recognition · Computer Science 2018-02-27 Ligang Zhang , Brijesh Verma , David Stockwell , Sujan Chowdhury

Particle-based dynamic occupancy maps were proposed in recent years to model the obstacles in dynamic environments. Current particle-based maps describe the occupancy status in discrete grid form and suffer from the grid size problem,…

Robotics · Computer Science 2023-10-20 Gang Chen , Wei Dong , Peng Peng , Javier Alonso-Mora , Xiangyang Zhu

This letter presents a novel coarse-to-fine motion planning framework for robotic manipulation in cluttered, unmodeled environments. The system integrates a dual-camera perception setup with a B-spline-based model predictive control (MPC)…

Robotics · Computer Science 2025-07-16 Chen Cai , Ernesto Dickel Saraiva , Ya-jun Pan , Steven Liu

Active sensing and planning in unknown, cluttered environments is an open challenge for robots intending to provide home service, search and rescue, narrow-passage inspection, and medical assistance. Although many active sensing methods…

Robotics · Computer Science 2022-08-25 Hanwen Ren , Ahmed H. Qureshi

The real-time dynamic environment perception has become vital for autonomous robots in crowded spaces. Although the popular voxel-based mapping methods can efficiently represent 3D obstacles with arbitrarily complex shapes, they can hardly…

Robotics · Computer Science 2024-01-17 Zhefan Xu , Xiaoyang Zhan , Baihan Chen , Yumeng Xiu , Chenhao Yang , Kenji Shimada

With the rise of deep learning algorithms nowadays, scene image representation methods have achieved a significant performance boost in classification. However, the performance is still limited because the scene images are mostly complex…

Computer Vision and Pattern Recognition · Computer Science 2023-06-13 Chiranjibi Sitaula , Tej Bahadur Shahi , Faezeh Marzbanrad , Jagannath Aryal

To autonomously navigate and plan interactions in real-world environments, robots require the ability to robustly perceive and map complex, unstructured surrounding scenes. Besides building an internal representation of the observed scene…

Many automated manufacturing processes rely on industrial robot arms to move process-specific tools along workpiece surfaces. In applications like grinding, sanding, spray painting, or inspection, they need to cover a workpiece fully while…

Robotics · Computer Science 2026-02-09 Robert Wilbrandt , Rüdiger Dillmann

For safe operation, a robot must be able to avoid collisions in uncertain environments. Existing approaches for motion planning under uncertainties often assume parametric obstacle representations and Gaussian uncertainty, which can be…

Robotics · Computer Science 2023-12-04 Ralf Römer , Armin Lederer , Samuel Tesfazgi , Sandra Hirche

Accurate estimation of the environment structure simultaneously with the robot pose is a key capability of autonomous robotic vehicles. Classical simultaneous localization and mapping (SLAM) algorithms rely on the static world assumption to…

Robotics · Computer Science 2018-05-11 Mina Henein , Gerard Kennedy , Viorela Ila , Robert Mahony

This article discusses how concepts and methods of complex networks can be applied to real-time imaging and computer vision. After a brief introduction of complex networks basic concepts, their use as means to represent and characterize…

Computer Vision and Pattern Recognition · Computer Science 2007-05-23 Luciano da Fontoura Costa

This paper focuses on visual motion-based invariants that result in a representation of 3D points in which the stationary environment remains invariant, ensuring shape constancy. This is achieved even as the images undergo constant change…

Computer Vision and Pattern Recognition · Computer Science 2023-10-17 Juan D. Yepes , Daniel Raviv

The imagination of the surrounding environment based on experience and semantic cognition has great potential to extend the limited observations and provide more information for mapping, collision avoidance, and path planning. This paper…

Robotics · Computer Science 2021-04-09 Zhengcheng Shen , Linh Kästner , Jens Lambrecht

The ability to construct concise scene representations from sensor input is central to the field of robotics. This paper addresses the problem of robustly creating a 3D representation of a tabletop scene from a segmented RGB-D image. These…

Robotics · Computer Science 2024-03-15 Herbert Wright , Weiming Zhi , Matthew Johnson-Roberson , Tucker Hermans

Vision-Language Models (VLMs) have been increasingly integrated into object navigation tasks for their rich prior knowledge and strong reasoning abilities. However, applying VLMs to navigation poses two key challenges: effectively…

Robotics · Computer Science 2025-09-17 Haokun Zhu , Zongtai Li , Zhixuan Liu , Wenshan Wang , Ji Zhang , Jonathan Francis , Jean Oh

The choice of visual representation is key to scaling generalist robot policies. However, direct evaluation via policy rollouts is expensive, even in simulation. Existing proxy metrics focus on the representation's capacity to capture…

Robotics · Computer Science 2026-02-05 Jiahua Dong , Yunze Man , Pavel Tokmakov , Yu-Xiong Wang

In this paper, we address the problem of inferring the layout of complex road scenes given a single camera as input. To achieve that, we first propose a novel parameterized model of road layouts in a top-view representation, which is not…

Computer Vision and Pattern Recognition · Computer Science 2019-04-22 Ziyan Wang , Buyu Liu , Samuel Schulter , Manmohan Chandraker

Embodied computer vision considers perception for robots in novel, unstructured environments. Of particular importance is the embodied visual exploration problem: how might a robot equipped with a camera scope out a new environment? Despite…

Computer Vision and Pattern Recognition · Computer Science 2020-08-24 Santhosh K. Ramakrishnan , Dinesh Jayaraman , Kristen Grauman