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Manipulating objects is a hallmark of human intelligence, and an important task in domains such as robotics. In principle, Reinforcement Learning (RL) offers a general approach to learn object manipulation. In practice, however, domains…

Robotics · Computer Science 2024-04-02 Dan Haramati , Tal Daniel , Aviv Tamar

The influence of atmospheric turbulence on acquired surveillance imagery poses significant challenges in image interpretation and scene analysis. Conventional approaches for target classification and tracking are less effective under such…

Computer Vision and Pattern Recognition · Computer Science 2023-05-31 Disen Hu , Nantheera Anantrasirichai

Can the intrinsic relation between an object and the room in which it is usually located help agents in the Visual Navigation Task? We study this question in the context of Object Navigation, a problem in which an agent has to reach an…

Computer Vision and Pattern Recognition · Computer Science 2020-08-24 Tommaso Campari , Paolo Eccher , Luciano Serafini , Lamberto Ballan

This work proposes a novel model-free Reinforcement Learning (RL) agent that is able to learn how to complete an unknown task having access to only a part of the input observation. We take inspiration from the concepts of visual attention…

Machine Learning · Computer Science 2023-01-16 Gonçalo Querido , Alberto Sardinha , Francisco S. Melo

In the tasks of multi-robot collaborative area search, we propose the unified approach for simultaneous mapping for sensing more targets (exploration) while searching and locating the targets (coverage). Specifically, we implement a…

Robotics · Computer Science 2023-12-05 Lina Zhu , Jiyu Cheng , Hao Zhang , Zhichao Cui , Wei Zhang , Yuehu Liu

We propose a novel unsupervised object localization method that allows us to explain the predictions of the model by utilizing self-supervised pre-trained models without additional finetuning. Existing unsupervised and self-supervised…

Computer Vision and Pattern Recognition · Computer Science 2023-09-11 Yeonghwan Song , Seokwoo Jang , Dina Katabi , Jeany Son

Visual localization is the problem of estimating a camera within a scene and a key component in computer vision applications such as self-driving cars and Mixed Reality. State-of-the-art approaches for accurate visual localization use…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Qunjie Zhou , Torsten Sattler , Marc Pollefeys , Laura Leal-Taixe

Progress has been achieved recently in object detection given advancements in deep learning. Nevertheless, such tools typically require a large amount of training data and significant manual effort to label objects. This limits their…

Robotics · Computer Science 2017-08-04 Chaitanya Mitash , Kostas E. Bekris , Abdeslam Boularias

We study lifelong visual perception in an embodied setup, where we develop new models and compare various agents that navigate in buildings and occasionally request annotations which, in turn, are used to refine their visual perception…

Computer Vision and Pattern Recognition · Computer Science 2021-12-30 David Nilsson , Aleksis Pirinen , Erik Gärtner , Cristian Sminchisescu

Autonomous agents need large repertoires of skills to act reasonably on new tasks that they have not seen before. However, acquiring these skills using only a stream of high-dimensional, unstructured, and unlabeled observations is a tricky…

Machine Learning · Computer Science 2021-02-09 Andrii Zadaianchuk , Maximilian Seitzer , Georg Martius

Reorienting diverse objects with a multi-fingered hand is a challenging task. Current methods in robotic in-hand manipulation are either object-specific or require permanent supervision of the object state from visual sensors. This is far…

Robotics · Computer Science 2024-08-30 Johannes Pitz , Lennart Röstel , Leon Sievers , Darius Burschka , Berthold Bäuml

As space becomes more congested, on orbit inspection is an increasingly relevant activity whether to observe a defunct satellite for planning repairs or to de-orbit it. However, the task of on orbit inspection itself is challenging,…

Robotics · Computer Science 2023-05-02 Joshua Aurand , Steven Cutlip , Henry Lei , Kendra Lang , Sean Phillips

Rather than having each newly deployed robot create its own map of its surroundings, the growing availability of SLAM-enabled devices provides the option of simply localizing in a map of another robot or device. In cases such as multi-robot…

Robotics · Computer Science 2024-08-07 Matthew Hanlon , Boyang Sun , Marc Pollefeys , Hermann Blum

We address the problem of weakly supervised object localization where only image-level annotations are available for training object detectors. Numerous methods have been proposed to tackle this problem through mining object proposals.…

Computer Vision and Pattern Recognition · Computer Science 2017-10-13 Dong Li , Jia-Bin Huang , Yali Li , Shengjin Wang , Ming-Hsuan Yang

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

This paper addresses the challenge of navigation in large, visually complex environments with sparse rewards. We propose a method that uses object-oriented macro actions grounded in a topological map, allowing a simple Deep Q-Network (DQN)…

Machine Learning · Computer Science 2025-04-28 Simon Hakenes , Tobias Glasmachers

Deep learning networks have shown promising performance for accurate object localization in medial images, but require large amount of annotated data for supervised training, which is expensive and expertise burdensome. To address this…

Computer Vision and Pattern Recognition · Computer Science 2021-05-26 Wenhui Lei , Wei Xu , Ran Gu , Hao Fu , Shaoting Zhang , Guotai Wang

Object detection models perform well at localizing and classifying objects that they are shown during training. However, due to the difficulty and cost associated with creating and annotating detection datasets, trained models detect a…

Computer Vision and Pattern Recognition · Computer Science 2020-12-01 Ayush Jaiswal , Yue Wu , Pradeep Natarajan , Premkumar Natarajan

Accurately localising object proposals is an important precondition for high detection rate for the state-of-the-art object detection frameworks. The accuracy of an object detection method has been shown highly related to the average recall…

Computer Vision and Pattern Recognition · Computer Science 2018-07-26 Hsueh-Fu Lu , Xiaofei Du , Ping-Lin Chang

The ability to use a 2D map to navigate a complex 3D environment is quite remarkable, and even difficult for many humans. Localization and navigation is also an important problem in domains such as robotics, and has recently become a focus…

Robotics · Computer Science 2017-11-22 Gino Brunner , Oliver Richter , Yuyi Wang , Roger Wattenhofer