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Nowadays, the video documents like educational courses available on the web increases significantly. However, the information retrieval systems today can not return to the users (students or teachers) of parts of those videos that meet…

Digital Libraries · Computer Science 2012-01-25 Ghalia Merzougui , Mahieddine Djoudi , Amel Behaz

Human intelligence effortlessly interprets visual scenes along a rich spectrum of semantic dimensions. However, existing approaches to language-grounded visual concept learning are limited to a few predefined primitive axes, such as color…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Whie Jung , Semin Kim , Junee Kim , Seunghoon Hong

In the field of visual scene understanding, deep neural networks have made impressive advancements in various core tasks like segmentation, tracking, and detection. However, most approaches operate on the close-set assumption, meaning that…

Computer Vision and Pattern Recognition · Computer Science 2024-02-02 Jianzong Wu , Xiangtai Li , Shilin Xu , Haobo Yuan , Henghui Ding , Yibo Yang , Xia Li , Jiangning Zhang , Yunhai Tong , Xudong Jiang , Bernard Ghanem , Dacheng Tao

With the explosion of video content on the Internet, there is a need for research on methods for video analysis which take human cognition into account. One such cognitive measure is memorability, or the ability to recall visual content…

Computer Vision and Pattern Recognition · Computer Science 2017-08-29 Sumit Shekhar , Dhruv Singal , Harvineet Singh , Manav Kedia , Akhil Shetty

Modern information systems are changing the idea of "data processing" to the idea of "concept processing", meaning that instead of processing words, such systems process semantic concepts which carry meaning and share contexts with other…

Computation and Language · Computer Science 2018-11-09 Roger Granada , Renata Vieira , Cassia Trojahn , Nathalie Aussenac-Gilles

Our understanding of the visual world is centered around various concept axes, characterizing different aspects of visual entities. While different concept axes can be easily specified by language, e.g. color, the exact visual nuances along…

Computer Vision and Pattern Recognition · Computer Science 2024-04-04 Sharon Lee , Yunzhi Zhang , Shangzhe Wu , Jiajun Wu

The widespread use of deep neural networks has achieved substantial success in many tasks. However, there still exists a huge gap between the operating mechanism of deep learning models and human-understandable decision making, so that…

Artificial Intelligence · Computer Science 2021-03-08 Xiaowei Zhou , Jie Yin , Ivor Tsang , Chen Wang

In this paper, we aim to improve the performance of a deep learning model towards image classification tasks, proposing a novel anchor-based training methodology, named \textit{Online Anchor-based Training} (OAT). The OAT method, guided by…

Computer Vision and Pattern Recognition · Computer Science 2024-06-19 Maria Tzelepi , Vasileios Mezaris

Visual blends combine elements from two distinct visual concepts into a single, integrated image, with the goal of conveying ideas through imaginative and often thought-provoking visuals. Communicating abstract concepts through visual…

Human-Computer Interaction · Computer Science 2025-02-25 Zhida Sun , Zhenyao Zhang , Yue Zhang , Min Lu , Dani Lischinski , Daniel Cohen-Or , Hui Huang

An ability to learn about new objects from a small amount of visual data and produce convincing linguistic justification about the presence/absence of certain concepts (that collectively compose the object) in novel scenarios is an…

Computer Vision and Pattern Recognition · Computer Science 2024-10-18 Shailaja Keyur Sampat , Maitreya Patel , Yezhou Yang , Chitta Baral

Learning an object detector or retrieval requires a large data set with manual annotations. Such data sets are expensive and time consuming to create and therefore difficult to obtain on a large scale. In this work, we propose to exploit…

Computer Vision and Pattern Recognition · Computer Science 2019-10-22 Elad Amrani , Rami Ben-Ari , Tal Hakim , Alex Bronstein

Entity-based semantic search has been widely adopted in modern search engines to improve search accuracy by understanding users' intent. In e-commerce, an accurate and complete product type (PT) ontology is essential for recognizing product…

Machine Learning · Computer Science 2021-03-15 Yun Zhu , Sayyed M. Zahiri , Jiaqi Wang , Han-Yu Chen , Faizan Javed

Event-specific concepts are the semantic concepts designed for the events of interest, which can be used as a mid-level representation of complex events in videos. Existing methods only focus on defining event-specific concepts for a small…

Computer Vision and Pattern Recognition · Computer Science 2015-08-18 Guangnan Ye , Yitong Li , Hongliang Xu , Dong Liu , Shih-Fu Chang

Continual learning can enable neural networks to evolve by learning new tasks sequentially in task-changing scenarios. However, two general and related challenges should be overcome in further research before we apply this technique to…

Machine Learning · Computer Science 2022-02-15 Yujiang He , Zhixin Huang , Bernhard Sick

Understanding and visualizing human discourse has long being a challenging task. Although recent work on argument mining have shown success in classifying the role of various sentences, the task of recognizing concepts and understanding the…

Computation and Language · Computer Science 2018-02-26 Baoxu Shi , Tim Weninger

Traditional deep learning interpretability methods which are suitable for model users cannot explain network behaviors at the global level and are inflexible at providing fine-grained explanations. As a solution, concept-based explanations…

Human-Computer Interaction · Computer Science 2022-10-26 Jinbin Huang , Aditi Mishra , Bum Chul Kwon , Chris Bryan

The advances in deep learning have enabled machine learning methods to outperform human beings in various areas, but it remains a great challenge for a well-trained model to quickly adapt to a new task. One promising solution to realize…

Machine Learning · Computer Science 2023-04-11 Shengyu Feng , Hanghang Tong

Personal robots and driverless cars need to be able to operate in novel environments and thus quickly and efficiently learn to recognise new object classes. We address this problem by considering the task of video object segmentation.…

Computer Vision and Pattern Recognition · Computer Science 2020-08-18 Harkirat Singh Behl , Mohammad Najafi , Anurag Arnab , Philip H. S. Torr

Active learning approaches in computer vision generally involve querying strong labels for data. However, previous works have shown that weak supervision can be effective in training models for vision tasks while greatly reducing annotation…

Computer Vision and Pattern Recognition · Computer Science 2019-10-16 Sai Vikas Desai , Akshay L Chandra , Wei Guo , Seishi Ninomiya , Vineeth N Balasubramanian

There is lots of scientific work about object detection in images. For many applications like for example autonomous driving the actual data on which classification has to be done are videos. This work compares different methods, especially…

Computer Vision and Pattern Recognition · Computer Science 2020-10-30 Ahmad B Qasim , Arnd Pettirsch
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