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Evaluating the robustness of Video classification models is very challenging, specifically when compared to image-based models. With their increased temporal dimension, there is a significant increase in complexity and computational cost.…

Recent multi-modal contrastive learning models have demonstrated the ability to learn an embedding space suitable for building strong vision classifiers, by leveraging the rich information in large-scale image-caption datasets. Our work…

机器学习 · 计算机科学 2023-02-09 Yuhui Zhang , Jeff Z. HaoChen , Shih-Cheng Huang , Kuan-Chieh Wang , James Zou , Serena Yeung

Learning fine-grained movements is a challenging topic in robotics, particularly in the context of robotic hands. One specific instance of this challenge is the acquisition of fingerspelling sign language in robots. In this paper, we…

机器人学 · 计算机科学 2024-07-25 Federico Tavella , Aphrodite Galata , Angelo Cangelosi

Imitation learning enables robots to learn from demonstrations. Previous imitation learning algorithms usually assume access to optimal expert demonstrations. However, in many real-world applications, this assumption is limiting. Most…

机器学习 · 计算机科学 2021-03-11 Zhangjie Cao , Dorsa Sadigh

Event-based cameras are dynamic vision sensors that provide asynchronous measurements of changes in per-pixel brightness at a microsecond level. This makes them significantly faster than conventional frame-based cameras, and an appealing…

计算机视觉与模式识别 · 计算机科学 2021-10-01 Sai Vemprala , Sami Mian , Ashish Kapoor

Videos are a rich source of multi-modal supervision. In this work, we learn representations using self-supervision by leveraging three modalities naturally present in videos: visual, audio and language streams. To this end, we introduce the…

We address the problem of video representation learning without human-annotated labels. While previous efforts address the problem by designing novel self-supervised tasks using video data, the learned features are merely on a…

计算机视觉与模式识别 · 计算机科学 2019-04-09 Jiangliu Wang , Jianbo Jiao , Linchao Bao , Shengfeng He , Yunhui Liu , Wei Liu

We propose to learn word embeddings from visual co-occurrences. Two words co-occur visually if both words apply to the same image or image region. Specifically, we extract four types of visual co-occurrences between object and attribute…

计算机视觉与模式识别 · 计算机科学 2019-08-23 Tanmay Gupta , Alexander Schwing , Derek Hoiem

Procedure planning requires a model to predict a sequence of actions that transform a start visual observation into a goal in instructional videos. While most existing methods rely primarily on visual observations as input, they often…

计算机视觉与模式识别 · 计算机科学 2026-03-11 Lei Shi , Victor Aregbede , Andreas Persson , Martin Längkvist , Amy Loutfi , Stephanie Lowry

This paper presents a novel yet intuitive approach to unsupervised feature learning. Inspired by the human visual system, we explore whether low-level motion-based grouping cues can be used to learn an effective visual representation.…

计算机视觉与模式识别 · 计算机科学 2017-04-13 Deepak Pathak , Ross Girshick , Piotr Dollár , Trevor Darrell , Bharath Hariharan

Humans intuitively solve tasks in versatile ways, varying their behavior in terms of trajectory-based planning and for individual steps. Thus, they can easily generalize and adapt to new and changing environments. Current Imitation Learning…

机器人学 · 计算机科学 2022-11-10 Niklas Freymuth , Nicolas Schreiber , Philipp Becker , Aleksandar Taranovic , Gerhard Neumann

As the number of the robot's degrees of freedom increases, the implementation of robot motion becomes more complex and difficult. In this study, we focus on learning 6DOF-grasping motion and consider dividing the grasping motion into…

机器人学 · 计算机科学 2021-03-24 Daichi Kawakami , Ryoichi Ishikawa , Menandro Roxas , Yoshihiro Sato , Takeshi Oishi

Video anomaly detection is to determine whether there are any abnormal events, behaviors or objects in a given video, which enables effective and intelligent public safety management. As video anomaly labeling is both time-consuming and…

计算机视觉与模式识别 · 计算机科学 2024-07-08 Yang Wang , Jiaogen Zhou , Jihong Guan

Tutorial videos of mobile apps have become a popular and compelling way for users to learn unfamiliar app features. To make the video accessible to the users, video creators always need to annotate the actions in the video, including what…

人机交互 · 计算机科学 2023-08-08 Sidong Feng , Chunyang Chen , Zhenchang Xing

Large-scale text-to-video models have shown remarkable abilities, but their direct application in video editing remains challenging due to limited available datasets. Current video editing methods commonly require per-video fine-tuning of…

计算机视觉与模式识别 · 计算机科学 2024-06-06 Zhenghao Zhang , Zuozhuo Dai , Long Qin , Weizhi Wang

Many of the existing methods for learning joint embedding of images and text use only supervised information from paired images and its textual attributes. Taking advantage of the recent success of unsupervised learning in deep neural…

计算机视觉与模式识别 · 计算机科学 2017-03-21 Yao-Hung Hubert Tsai , Liang-Kang Huang , Ruslan Salakhutdinov

Though action recognition in videos has achieved great success recently, it remains a challenging task due to the massive computational cost. Designing lightweight networks is a possible solution, but it may degrade the recognition…

计算机视觉与模式识别 · 计算机科学 2020-02-11 Wenhao Wu , Dongliang He , Xiao Tan , Shifeng Chen , Yi Yang , Shilei Wen

This article proposes a method for learning and robotic replication of dynamic collaborative tasks from offline videos. The objective is to extend the concept of learning from demonstration (LfD) to dynamic scenarios, benefiting from widely…

机器人学 · 计算机科学 2022-04-11 Francesco Iodice , Yuqiang Wu , Wansoo Kim , Fei Zhao , Elena De Momi , Arash Ajoudani

Depictions of similar human body configurations can vary with changing viewpoints. Using only 2D information, we would like to enable vision algorithms to recognize similarity in human body poses across multiple views. This ability is…

计算机视觉与模式识别 · 计算机科学 2020-10-26 Jennifer J. Sun , Jiaping Zhao , Liang-Chieh Chen , Florian Schroff , Hartwig Adam , Ting Liu

One of the common ways children learn is by mimicking adults. Imitation learning focuses on learning policies with suitable performance from demonstrations generated by an expert, with an unspecified performance measure, and unobserved…

机器学习 · 计算机科学 2022-08-15 Junzhe Zhang , Daniel Kumor , Elias Bareinboim