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We propose a general purpose active learning algorithm for structured prediction, gathering labeled data for training a model that outputs a set of related labels for an image or video. Active learning starts with a limited initial training…

Computer Vision and Pattern Recognition · Computer Science 2017-06-16 Mehran Khodabandeh , Zhiwei Deng , Mostafa S. Ibrahim , Shinichi Satoh , Greg Mori

Ensembling methods are well known for improving prediction accuracy. However, they are limited in the sense that they cannot discriminate among component models effectively. In this paper, we propose stacking with auxiliary features that…

Computation and Language · Computer Science 2016-05-30 Nazneen Fatema Rajani , Raymond J. Mooney

When we can not assume a large amount of annotated data , active learning is a good strategy. It consists in learning a model on a small amount of annotated data (annotation budget) and in choosing the best set of points to annotate in…

Computer Vision and Pattern Recognition · Computer Science 2022-01-19 Umang Aggarwal , Adrian Popescu , Céline Hudelot

Knowledge tracing aims to model students' past answer sequences to track the change in their knowledge acquisition during exercise activities and to predict their future learning performance. Most existing approaches ignore the fact that…

Machine Learning · Computer Science 2023-02-07 Yuqi Yue , Xiaoqing Sun , Weidong Ji , Zengxiang Yin , Chenghong Sun

Many similarity-based clustering methods work in two separate steps including similarity matrix computation and subsequent spectral clustering. However, similarity measurement is challenging because it is usually impacted by many factors,…

Machine Learning · Computer Science 2017-05-04 Zhao Kang , Chong Peng , Qiang Cheng

The present work investigates whether different quantification mechanisms (set comparison, vague quantification, and proportional estimation) can be jointly learned from visual scenes by a multi-task computational model. The motivation is…

Computer Vision and Pattern Recognition · Computer Science 2018-04-16 Sandro Pezzelle , Ionut-Teodor Sorodoc , Raffaella Bernardi

Given the complexities inherent in visual scenes, such as object occlusion, a comprehensive understanding often requires observation from multiple viewpoints. Existing multi-viewpoint object-centric learning methods typically employ random…

Computer Vision and Pattern Recognition · Computer Science 2024-11-04 Yinxuan Huang , Chengmin Gao , Bin Li , Xiangyang Xue

In this paper, we advocate Tversky's ratio model as an appropriate basis for computational approaches to semantic similarity, that is, the comparison of objects such as images in a semantically meaningful way. We consider the problem of…

Computer Vision and Pattern Recognition · Computer Science 2020-06-23 Javad Rahnama , Eyke Hüllermeier

In this survey we present different approaches that allow an intelligent agent to explore autonomous its environment to gather information and learn multiple tasks. Different communities proposed different solutions, that are in many cases,…

Artificial Intelligence · Computer Science 2014-03-07 Manuel Lopes , Luis Montesano

Optimal design for model training is a critical topic in machine learning. Active Learning aims at obtaining improved models by querying samples with maximum uncertainty according to the estimation model for artificially labeling; this has…

Machine learning models of visual action recognition are typically trained and tested on data from specific situations where actions are associated with certain objects. It is an open question how action-object associations in the training…

Computer Vision and Pattern Recognition · Computer Science 2022-08-16 Satoshi Tsutsui , Xizi Wang , Guangyuan Weng , Yayun Zhang , David Crandall , Chen Yu

The availability of large idea repositories (e.g., the U.S. patent database) could significantly accelerate innovation and discovery by providing people with inspiration from solutions to analogous problems. However, finding useful…

Computation and Language · Computer Science 2017-06-20 Tom Hope , Joel Chan , Aniket Kittur , Dafna Shahaf

Building machines capable of efficiently collaborating with humans has been a longstanding goal in artificial intelligence. Especially in the presence of uncertainties, optimal cooperation often requires that humans and artificial agents…

Machine Learning · Computer Science 2024-01-10 Oskar Keurulainen , Gokhan Alcan , Ville Kyrki

We study the problem of similarity learning and its application to image retrieval with large-scale data. The similarity between pairs of images can be measured by the distances between their high dimensional representations, and the…

Machine Learning · Computer Science 2015-12-08 Qi Qian , Inci M. Baytas , Rong Jin , Anil Jain , Shenghuo Zhu

Motivated by an application of eliciting users' preferences, we investigate the problem of learning hemimetrics, i.e., pairwise distances among a set of $n$ items that satisfy triangle inequalities and non-negativity constraints. In our…

Machine Learning · Statistics 2016-05-30 Adish Singla , Sebastian Tschiatschek , Andreas Krause

Imitation from observation is a computational technique that teaches an agent on how to mimic the behavior of an expert by observing only the sequence of states from the expert demonstrations. Recent approaches learn the inverse dynamics of…

Artificial Intelligence · Computer Science 2020-04-29 Juarez Monteiro , Nathan Gavenski , Roger Granada , Felipe Meneguzzi , Rodrigo Barros

Learning from triplet comparison data has been extensively studied in the context of metric learning, where we want to learn a distance metric between two instances, and ordinal embedding, where we want to learn an embedding in an Euclidean…

Machine Learning · Computer Science 2020-04-21 Zhenghang Cui , Nontawat Charoenphakdee , Issei Sato , Masashi Sugiyama

Object detection aims to identify instances of semantic objects of a certain class in images or videos. The success of state-of-the-art approaches is attributed to the significant progress of object proposal and convolutional neural…

Computer Vision and Pattern Recognition · Computer Science 2017-03-02 Feng Gao , Yihang Lou , Yan Bai , Shiqi Wang , Tiejun Huang , Ling-Yu Duan

This study proposes an imitation learning method based on force and position information. Force information is required for precise object manipulation but is difficult to obtain because the acting and reaction forces cannnot be separated.…

Robotics · Computer Science 2018-11-29 Tsuyoshi Adachi , Kazuki Fujimoto , Sho Sakaino , Toshiaki Tsuji

We propose an attention-based networks for transferring motions between arbitrary objects. Given a source image(s) and a driving video, our networks animate the subject in the source images according to the motion in the driving video. In…

Computer Vision and Pattern Recognition · Computer Science 2020-07-20 Subin Jeon , Seonghyeon Nam , Seoung Wug Oh , Seon Joo Kim