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Related papers: Towards Active Vision for Action Localization with…

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Camera parameters not only play an important role in determining the visual quality of perceived images, but also affect the performance of vision algorithms, for a vision-guided robot. By quantitatively evaluating four object detection…

Computer Vision and Pattern Recognition · Computer Science 2017-05-17 Yulong Wu , John Tsotsos

In this paper we tackle the problem of deformable object manipulation through model-free visual reinforcement learning (RL). In order to circumvent the sample inefficiency of RL, we propose two key ideas that accelerate learning. First, we…

Robotics · Computer Science 2020-03-04 Yilin Wu , Wilson Yan , Thanard Kurutach , Lerrel Pinto , Pieter Abbeel

State-of-the-art temporal action detectors inefficiently search the entire video for specific actions. Despite the encouraging progress these methods achieve, it is crucial to design automated approaches that only explore parts of the video…

Computer Vision and Pattern Recognition · Computer Science 2018-07-30 Humam Alwassel , Fabian Caba Heilbron , Bernard Ghanem

We propose a deep video prediction model conditioned on a single image and an action class. To generate future frames, we first detect keypoints of a moving object and predict future motion as a sequence of keypoints. The input image is…

Computer Vision and Pattern Recognition · Computer Science 2019-10-07 Yunji Kim , Seonghyeon Nam , In Cho , Seon Joo Kim

Temporal action localization is an important and challenging task that aims to locate temporal regions in real-world untrimmed videos where actions occur and recognize their classes. It is widely acknowledged that video context is a…

Computer Vision and Pattern Recognition · Computer Science 2021-03-10 Xin Qin , Hanbin Zhao , Guangchen Lin , Hao Zeng , Songcen Xu , Xi Li

Active learning emerged as an alternative to alleviate the effort to label huge amount of data for data hungry applications (such as image/video indexing and retrieval, autonomous driving, etc.). The goal of active learning is to…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Minghan Li , Xialei Liu , Joost van de Weijer , Bogdan Raducanu

We propose an effective approach for spatio-temporal action localization in realistic videos. The approach first detects proposals at the frame-level and scores them with a combination of static and motion CNN features. It then tracks…

Computer Vision and Pattern Recognition · Computer Science 2015-09-29 Philippe Weinzaepfel , Zaid Harchaoui , Cordelia Schmid

To identify a stationary action profile for a population of competitive agents, each executing private strategies, we introduce a novel active-learning scheme where a centralized external observer (or entity) can probe the agents' reactions…

Systems and Control · Electrical Eng. & Systems 2024-10-10 Filippo Fabiani , Alberto Bemporad

In supervised learning, acquiring labeled training data for a predictive model can be very costly, but acquiring a large amount of unlabeled data is often quite easy. Active learning is a method of obtaining predictive models with high…

Machine Learning · Computer Science 2020-12-17 Hideitsu Hino

We present a reward-predictive, model-based deep learning method featuring trajectory-constrained visual attention for local planning in visual navigation tasks. Our method learns to place visual attention at locations in latent image space…

Robotics · Computer Science 2022-05-27 Stefan Wapnick , Travis Manderson , David Meger , Gregory Dudek

Deep learning algorithms are often said to be data hungry. The performance of such algorithms generally improve as more and more annotated data is fed into the model. While collecting unlabelled data is easier (as they can be scraped easily…

Machine Learning · Computer Science 2024-01-04 Abhishek Sinha , Shreya Singh

We focus on an unloading problem, typical of the logistics sector, modeled as a sequential pick-and-place task. In this type of task, modern machine learning techniques have shown to work better than classic systems since they are more…

Robotics · Computer Science 2023-05-30 Vittorio Giammarino , Andrew J Meyer , Kai Biegun

Most existing approaches for visual localization either need a detailed 3D model of the environment or, in the case of learning-based methods, must be retrained for each new scene. This can either be very expensive or simply impossible for…

Robotics · Computer Science 2021-06-22 Dominik Winkelbauer , Maximilian Denninger , Rudolph Triebel

Activity recognition is the ability to identify and recognize the action or goals of the agent. The agent can be any object or entity that performs action that has end goals. The agents can be a single agent performing the action or group…

Machine Learning · Computer Science 2019-06-19 Ashwin Geet D'Sa , B. G. Prasad

Existing approaches to active learning maximize the system performance by sampling unlabeled instances for annotation that yield the most efficient training. However, when active learning is integrated with an end-user application, this can…

Computation and Language · Computer Science 2020-05-13 Ji-Ung Lee , Christian M. Meyer , Iryna Gurevych

Inspired by how humans combine direct interaction with action-free experience (e.g., videos), we study world models that learn from heterogeneous data. Standard world models typically rely on action-conditioned trajectories, which limits…

Machine Learning · Computer Science 2025-12-12 Marvin Alles , Xingyuan Zhang , Patrick van der Smagt , Philip Becker-Ehmck

Action recognition in videos has attracted a lot of attention in the past decade. In order to learn robust models, previous methods usually assume videos are trimmed as short sequences and require ground-truth annotations of each video…

Computer Vision and Pattern Recognition · Computer Science 2019-02-21 Xiao-Yu Zhang , Haichao Shi , Changsheng Li , Kai Zheng , Xiaobin Zhu , Lixin Duan

Action recognition from still images is an important task of computer vision applications such as image annotation, robotic navigation, video surveillance and several others. Existing approaches mainly rely on either bag-of-feature…

Computer Vision and Pattern Recognition · Computer Science 2015-07-31 Shaukat Abidi , Massimo Piccardi , Mary-Anne Williams

This paper presents a framework for training an agent to actively request help in object-goal navigation tasks, with feedback indicating the location of the target object in its field of view. To make the agent more robust in scenarios…

Machine Learning · Computer Science 2023-03-29 Jenny Zhang , Samson Yu , Jiafei Duan , Cheston Tan

Though deep reinforcement learning agents have achieved unprecedented success in recent years, their learned policies can be brittle, failing to generalize to even slight modifications of their environments or unfamiliar situations. The…

Artificial Intelligence · Computer Science 2021-12-13 Yiheng Xie , Mingxuan Li , Shangqun Yu , Michael Littman