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Depth maps produced by consumer-grade sensors suffer from inaccurate measurements and missing data from either system or scene-specific sources. Data-driven denoising algorithms can mitigate such problems. However, they require vast amounts…

Computer Vision and Pattern Recognition · Computer Science 2024-07-04 Alexandre Duarte , Francisco Fernandes , João M. Pereira , Catarina Moreira , Jacinto C. Nascimento , Joaquim Jorge

Nowadays underwater vision systems are being widely applied in ocean research. However, the largest portion of the ocean - the deep sea - still remains mostly unexplored. Only relatively few image sets have been taken from the deep sea due…

Computer Vision and Pattern Recognition · Computer Science 2021-02-24 Yifan Song , David Nakath , Mengkun She , Furkan Elibol , Kevin Köser

High frame rate and accurate depth estimation plays an important role in several tasks crucial to robotics and automotive perception. To date, this can be achieved through ToF and LiDAR devices for indoor and outdoor applications,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-13 Andrea Conti , Matteo Poggi , Valerio Cambareri , Stefano Mattoccia

In this paper we present ActiveStereoNet, the first deep learning solution for active stereo systems. Due to the lack of ground truth, our method is fully self-supervised, yet it produces precise depth with a subpixel precision of $1/30th$…

Computer Vision and Pattern Recognition · Computer Science 2018-07-18 Yinda Zhang , Sameh Khamis , Christoph Rhemann , Julien Valentin , Adarsh Kowdle , Vladimir Tankovich , Michael Schoenberg , Shahram Izadi , Thomas Funkhouser , Sean Fanello

We present an indoor acoustic simulation framework that supports both ultrasonic and audible signaling. The framework opens the opportunity for fast indoor acoustic data generation and positioning development. The improved…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-22 Daan Delabie , Chesney Buyle , Bert Cox , Liesbet Van der Perre , Lieven De Strycker

Synthetic Aperture Radar (SAR) imaging systems operate by emitting radar signals from a moving object, such as a satellite, towards the target of interest. Reflected radar echoes are received and later used by image formation algorithms to…

Image and Video Processing · Electrical Eng. & Systems 2021-02-02 Andrew Rittenbach , John Paul Walters

Depth sensors are widely deployed across robotic platforms, and advances in fast, high-fidelity depth simulation have enabled robotic policies trained on depth observations to achieve robust sim-to-real transfer for a wide range of tasks.…

Robotics · Computer Science 2026-01-28 Manthan Patel , Jonas Frey , Mayank Mittal , Fan Yang , Alexander Hansson , Amir Bar , Cesar Cadena , Marco Hutter

Signal source localization has been a problem of interest in the multi-robot systems domain given its applications in search & rescue and hazard localization in various industrial and outdoor settings. A variety of multi-robot search…

Robotics · Computer Science 2025-07-14 Aditya Bhatt , Mary Katherine Corra , Franklin Merlo , Prajit KrisshnaKumar , Souma Chowdhury

Large-scale real-world robot data collection is a prerequisite for bringing robots into everyday deployment. However, existing pipelines often rely on specialized handheld devices to bridge the embodiment gap, which not only increases…

Robotics · Computer Science 2026-04-10 Yanwen Zou , Chenyang Shi , Wenye Yu , Han Xue , Jun Lv , Ye Pan , Chuan Wen , Cewu Lu

This paper presents a novel multimodal perception system for a real open environment. The proposed system includes an embedded computation platform, cameras, ultrasonic sensors, GPS, and IMU devices. Unlike the traditional frameworks, our…

Robotics · Computer Science 2024-12-03 Yuyang Sha

To safely navigate unknown environments, robots must accurately perceive dynamic obstacles. Instead of directly measuring the scene depth with a LiDAR sensor, we explore the use of a much cheaper and higher resolution sensor: programmable…

Machine Learning · Computer Science 2021-07-09 Siddharth Ancha , Gaurav Pathak , Srinivasa G. Narasimhan , David Held

Modern computer vision has moved beyond the domain of internet photo collections and into the physical world, guiding camera-equipped robots and autonomous cars through unstructured environments. To enable these embodied agents to interact…

Computer Vision and Pattern Recognition · Computer Science 2022-08-30 Igor Vasiljevic

Depth estimation is a fundamental task in 3D computer vision, crucial for applications such as 3D reconstruction, free-viewpoint rendering, robotics, autonomous driving, and AR/VR technologies. Traditional methods relying on hardware…

Computer Vision and Pattern Recognition · Computer Science 2025-10-23 Zhen Xu , Hongyu Zhou , Sida Peng , Haotong Lin , Haoyu Guo , Jiahao Shao , Peishan Yang , Qinglin Yang , Sheng Miao , Xingyi He , Yifan Wang , Yue Wang , Ruizhen Hu , Yiyi Liao , Xiaowei Zhou , Hujun Bao

Several types of detectors are used to detect charged particles in particle and nuclear physics experiments. Since the semiconductor detector has superior spatial and kinematic resolutions as well as good response time than other types of…

Instrumentation and Detectors · Physics 2020-12-02 Beomkyu Kim , Jeongsu Bok , Jaeyoon Cho , Jiyeon Cho , Jiyeon Kwon , Hyungjun Lee , Minjung Kweon

Recent deep learning based approaches have outperformed classical stereo matching methods. However, current deep learning based end-to-end stereo matching methods adopt a generic encoder-decoder style network with skip connections. To limit…

Computer Vision and Pattern Recognition · Computer Science 2019-06-04 Kunal Swami , Kaushik Raghavan , Nikhilanj Pelluri , Rituparna Sarkar , Pankaj Bajpai

Sim-to-real gap has long posed a significant challenge for robot learning in simulation, preventing the deployment of learned models in the real world. Previous work has primarily focused on domain randomization and system identification to…

Computer Vision and Pattern Recognition · Computer Science 2025-01-15 Ziyang Xie , Zhizheng Liu , Zhenghao Peng , Wayne Wu , Bolei Zhou

Simulation can and should play a critical role in the development and testing of algorithms for autonomous agents. What might reduce its impact is the ``sim2real'' gap -- the algorithm response differs between operation in simulated versus…

The synchrotron light source, a cutting-edge large-scale user facility, requires autonomous synchrotron beamline operations, a crucial technique that should enable experiments to be conducted automatically, reliably, and safely with minimum…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Baolu Li , Hongkai Yu , Huiming Sun , Jin Ma , Yuewei Lin , Lu Ma , Yonghua Du

Driving simulation plays a crucial role in developing reliable driving agents by providing controlled, evaluative environments. To enable meaningful assessments, a high-quality driving simulator must satisfy several key requirements:…

Computer Vision and Pattern Recognition · Computer Science 2025-10-16 Junzhe Jiang , Nan Song , Jingyu Li , Xiatian Zhu , Li Zhang

With the increasing safety validation requirements for the release of a self-driving car, alternative approaches, such as simulation-based testing, are emerging in addition to conventional real-world testing. In order to rely on virtual…

Robotics · Computer Science 2021-06-22 Anthony Ngo , Max Paul Bauer , Michael Resch