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Context plays an important role in visual recognition. Recent studies have shown that visual recognition networks can be fooled by placing objects in inconsistent contexts (e.g., a cow in the ocean). To model the role of contextual…

计算机视觉与模式识别 · 计算机科学 2020-03-27 Mengmi Zhang , Claire Tseng , Gabriel Kreiman

This work explores the use of spatial context as a source of free and plentiful supervisory signal for training a rich visual representation. Given only a large, unlabeled image collection, we extract random pairs of patches from each image…

计算机视觉与模式识别 · 计算机科学 2016-01-19 Carl Doersch , Abhinav Gupta , Alexei A. Efros

Context plays a crucial role in visual recognition as it provides complementary clues for different learning tasks including image classification and annotation. As the performances of these tasks are currently reaching a plateau, any extra…

计算机视觉与模式识别 · 计算机科学 2020-01-01 Mingyuan Jiu , Hichem Sahbi

Deep learning models such as convolutional neural networks and recurrent networks are widely applied in text classification. In spite of their great success, most deep learning models neglect the importance of modeling context information,…

计算与语言 · 计算机科学 2019-06-05 Liuyu Xiang , Xiaoming Jin , Lan Yi , Guiguang Ding

Self-supervised pre-trained transformers have improved the state of the art on a variety of speech tasks. Due to the quadratic time and space complexity of self-attention, they usually operate at the level of relatively short (e.g.,…

音频与语音处理 · 电气工程与系统科学 2023-03-30 Suwon Shon , Felix Wu , Kwangyoun Kim , Prashant Sridhar , Karen Livescu , Shinji Watanabe

Learning to rank has been intensively studied and widely applied in information retrieval. Typically, a global ranking function is learned from a set of labeled data, which can achieve good performance on average but may be suboptimal for…

信息检索 · 计算机科学 2018-04-25 Qingyao Ai , Keping Bi , Jiafeng Guo , W. Bruce Croft

Regression models often fail to generalize effectively in regions characterized by highly imbalanced label distributions. Previous methods for deep imbalanced regression rely on gradient-based weight updates, which tend to overfit in…

机器学习 · 计算机科学 2024-11-21 Ismail Nejjar , Faez Ahmed , Olga Fink

Images captured under low-light conditions manifest poor visibility, lack contrast and color vividness. Compared to conventional approaches, deep convolutional neural networks (CNNs) perform well in enhancing images. However, being solely…

计算机视觉与模式识别 · 计算机科学 2021-01-05 Aditya Arora , Muhammad Haris , Syed Waqas Zamir , Munawar Hayat , Fahad Shahbaz Khan , Ling Shao , Ming-Hsuan Yang

Recently, many researches employ middle-layer output of convolutional neural network models (CNN) as features for different visual recognition tasks. Although promising results have been achieved in some empirical studies, such type of…

计算机视觉与模式识别 · 计算机科学 2015-09-09 Jianwei Luo , Jianguo Li , Jun Wang , Zhiguo Jiang , Yurong Chen

The prior self-supervised learning researches mainly select image-level instance discrimination as pretext task. It achieves a fantastic classification performance that is comparable to supervised learning methods. However, with degraded…

计算机视觉与模式识别 · 计算机科学 2022-05-11 Bing Zhao , Jun Li , Hong Zhu

Contrastive learning has gained popularity and pushes state-of-the-art performance across numerous large-scale benchmarks. In contrastive learning, the contrastive loss function plays a pivotal role in discerning similarities between…

计算机视觉与模式识别 · 计算机科学 2025-12-03 Haojin Deng , Yimin Yang

The presence of occlusions has provided substantial challenges to typically-powerful object recognition algorithms. Additional sources of information can be extremely valuable to reduce errors caused by occlusions. Scene context is known to…

计算机视觉与模式识别 · 计算机科学 2025-10-31 Courtney M. King , Daniel D. Leeds , Damian Lyons , George Kalaitzis

Background samples provide key contextual information for segmenting regions of interest (ROIs). However, they always cover a diverse set of structures, causing difficulties for the segmentation model to learn good decision boundaries with…

计算机视觉与模式识别 · 计算机科学 2022-12-19 Zeju Li , Konstantinos Kamnitsas , Cheng Ouyang , Chen Chen , Ben Glocker

Capturing contextual dependencies has proven useful to improve the representational power of deep neural networks. Recent approaches that focus on modeling global context, such as self-attention and non-local operation, achieve this goal by…

计算机视觉与模式识别 · 计算机科学 2021-06-15 Shenao Zhang , Li Shen , Zhifeng Li , Wei Liu

We explore the power of spatial context as a self-supervisory signal for learning visual representations. In particular, we propose spatial context networks that learn to predict a representation of one image patch from another image patch,…

计算机视觉与模式识别 · 计算机科学 2019-01-31 Zuxuan Wu , Larry S. Davis , Leonid Sigal

Recognition of materials has proven to be a challenging problem due to the wide variation in appearance within and between categories. Global image context, such as where the material is or what object it makes up, can be crucial to…

计算机视觉与模式识别 · 计算机科学 2017-04-13 Gabriel Schwartz , Ko Nishino

Reasoning about images/objects and their hierarchical interactions is a key concept for the next generation of computer vision approaches. Here we present a new framework to deal with it through a visual hierarchical context-based…

计算机视觉与模式识别 · 计算机科学 2019-09-04 Pedro H. Bugatti , Priscila T. M. Saito , Larry S. Davis

Cognition does not only depend on bottom-up sensor feature abstraction, but also relies on contextual information being passed top-down. Context is higher level information that helps to predict belief states at lower levels. The main…

人工智能 · 计算机科学 2018-01-09 Bernhard Hengst , Maurice Pagnucco , David Rajaratnam , Claude Sammut , Michael Thielscher

Brain-inspired machine learning is gaining increasing consideration, particularly in computer vision. Several studies investigated the inclusion of top-down feedback connections in convolutional networks; however, it remains unclear how and…

计算机视觉与模式识别 · 计算机科学 2021-06-09 Andrea Alamia , Milad Mozafari , Bhavin Choksi , Rufin VanRullen

Visual grounding (VG) aims to locate a specific target in an image based on a given language query. The discriminative information from context is important for distinguishing the target from other objects, particularly for the targets that…

计算机视觉与模式识别 · 计算机科学 2023-12-20 Wei Tang , Liang Li , Xuejing Liu , Lu Jin , Jinhui Tang , Zechao Li