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Multimedia event detection is the task of detecting a specific event of interest in an user-generated video on websites. The most fundamental challenge facing this task lies in the enormously varying quality of the video as well as the…

Computer Vision and Pattern Recognition · Computer Science 2021-10-18 Minnan Luo , Xiaojun Chang , Chen Gong

Generic Event Boundary Detection (GEBD) aims to identify moments in videos that humans perceive as event boundaries. This paper proposes a novel method for addressing this task, called Structured Context Learning, which introduces the…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Xin Gu , Congcong Li , Xinyao Wang , Dexiang Hong , Libo Zhang , Tiejian Luo , Longyin Wen , Heng Fan

To be effective in unstructured and changing environments, robots must learn to recognize new objects. Deep learning has enabled rapid progress for object detection and segmentation in computer vision; however, this progress comes at the…

Robotics · Computer Science 2020-03-05 Victoria Florence , Jason J. Corso , Brent Griffin

Humans easily recognize object parts and their hierarchical structure by watching how they move; they can then predict how each part moves in the future. In this paper, we propose a novel formulation that simultaneously learns a…

Computer Vision and Pattern Recognition · Computer Science 2019-03-14 Zhenjia Xu , Zhijian Liu , Chen Sun , Kevin Murphy , William T. Freeman , Joshua B. Tenenbaum , Jiajun Wu

This work proposes a self-supervised learning system for segmenting rigid objects in RGB images. The proposed pipeline is trained on unlabeled RGB-D videos of static objects, which can be captured with a camera carried by a mobile robot. A…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Shiyang Lu , Yunfu Deng , Abdeslam Boularias , Kostas Bekris

Accurate object segmentation is a crucial task in the context of robotic manipulation. However, creating sufficient annotated training data for neural networks is particularly time consuming and often requires manual labeling. To this end,…

Computer Vision and Pattern Recognition · Computer Science 2020-11-09 Wout Boerdijk , Martin Sundermeyer , Maximilian Durner , Rudolph Triebel

Current closed-set instance segmentation models rely on pre-defined class labels for each mask during training and evaluation, largely limiting their ability to detect novel objects. Open-world instance segmentation (OWIS) models address…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Muzhi Zhu , Hengtao Li , Hao Chen , Chengxiang Fan , Weian Mao , Chenchen Jing , Yifan Liu , Chunhua Shen

The promise of self-supervised learning (SSL) is to leverage large amounts of unlabeled data to solve complex tasks. While there has been excellent progress with simple, image-level learning, recent methods have shown the advantage of…

Computer Vision and Pattern Recognition · Computer Science 2022-07-28 Olivier J. Hénaff , Skanda Koppula , Evan Shelhamer , Daniel Zoran , Andrew Jaegle , Andrew Zisserman , João Carreira , Relja Arandjelović

Learning skills that interact with objects is of major importance for robotic manipulation. These skills can indeed serve as an efficient prior for solving various manipulation tasks. We propose a novel Skill Learning approach that…

Robotics · Computer Science 2024-10-08 Paul Jansonnie , Bingbing Wu , Julien Perez , Jan Peters

We look at the long-standing problem of segmenting unlabeled speech into word-like segments and clustering these into a lexicon. Several previous methods use a scoring model coupled with dynamic programming to find an optimal segmentation.…

Audio and Speech Processing · Electrical Eng. & Systems 2025-01-14 Simon Malan , Benjamin van Niekerk , Herman Kamper

Reinforcement Learning (RL) agents have demonstrated their potential across various robotic tasks. However, they still heavily rely on human-engineered reward functions, requiring extensive trial-and-error and access to target behavior…

Robotics · Computer Science 2025-03-03 Changyeon Kim , Minho Heo , Doohyun Lee , Jinwoo Shin , Honglak Lee , Joseph J. Lim , Kimin Lee

The potential for agents, whether embodied or software, to learn by observing other agents performing procedures involving objects and actions is rich. Current research on automatic procedure learning heavily relies on action labels or…

Computer Vision and Pattern Recognition · Computer Science 2017-11-23 Luowei Zhou , Chenliang Xu , Jason J. Corso

Video segmentation -- partitioning video frames into multiple segments or objects -- plays a critical role in a broad range of practical applications, from enhancing visual effects in movie, to understanding scenes in autonomous driving, to…

Computer Vision and Pattern Recognition · Computer Science 2022-11-30 Tianfei Zhou , Fatih Porikli , David Crandall , Luc Van Gool , Wenguan Wang

We address the problem of discovering part segmentations of articulated objects without supervision. In contrast to keypoints, part segmentations provide information about part localizations on the level of individual pixels. Capturing both…

Computer Vision and Pattern Recognition · Computer Science 2020-09-11 Sandro Braun , Patrick Esser , Björn Ommer

Generic Event Boundary Detection (GEBD) is a newly suggested video understanding task that aims to find one level deeper semantic boundaries of events. Bridging the gap between natural human perception and video understanding, it has…

Computer Vision and Pattern Recognition · Computer Science 2021-12-01 Hyolim Kang , Jinwoo Kim , Taehyun Kim , Seon Joo Kim

We present a method for learning options from segmented demonstration trajectories. The trajectories are first segmented into skills using nonparametric Bayesian clustering and a reward function for each segment is then learned using…

Machine Learning · Computer Science 2020-01-22 Matthew Cockcroft , Shahil Mawjee , Steven James , Pravesh Ranchod

In recent years, distracted driving has garnered considerable attention as it continues to pose a significant threat to public safety on the roads. This has increased the need for innovative solutions that can identify and eliminate…

Computer Vision and Pattern Recognition · Computer Science 2023-04-20 Kelvin Kwakye , Younho Seong , Armstrong Aboah , Sun Yi

Exploration is crucial for enabling legged robots to learn agile locomotion behaviors that can overcome diverse obstacles. However, such exploration is inherently challenging, and we often rely on extensive reward engineering, expert…

Robotics · Computer Science 2025-08-13 Seungeun Rho , Kartik Garg , Morgan Byrd , Sehoon Ha

In the field of unsupervised skill discovery (USD), a major challenge is limited exploration, primarily due to substantial penalties when skills deviate from their initial trajectories. To enhance exploration, recent methodologies employ…

Machine Learning · Computer Science 2023-11-02 Hyunseung Kim , Byungkun Lee , Hojoon Lee , Dongyoon Hwang , Sejik Park , Kyushik Min , Jaegul Choo

Unsupervised skill discovery in Reinforcement Learning aims to mimic humans' ability to autonomously discover diverse behaviors. However, existing methods are often unconstrained, making it difficult to find useful skills, especially in…

Machine Learning · Computer Science 2025-01-30 Maxence Hussonnois , Thommen George Karimpanal , Santu Rana