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This paper proposes Panoptic Narrative Grounding, a spatially fine and general formulation of the natural language visual grounding problem. We establish an experimental framework for the study of this new task, including new ground truth…

计算机视觉与模式识别 · 计算机科学 2021-09-13 C. González , N. Ayobi , I. Hernández , J. Hernández , J. Pont-Tuset , P. Arbeláez

Feedforward Neural Network (FNN)-based language models estimate the probability of the next word based on the history of the last N words, whereas Recurrent Neural Networks (RNN) perform the same task based only on the last word and some…

计算与语言 · 计算机科学 2017-03-24 Youssef Oualil , Clayton Greenberg , Mittul Singh , Dietrich Klakow

Despite the substantial progress in recent years, the image captioning techniques are still far from being perfect.Sentences produced by existing methods, e.g. those based on RNNs, are often overly rigid and lacking in variability. This…

计算机视觉与模式识别 · 计算机科学 2017-08-14 Bo Dai , Sanja Fidler , Raquel Urtasun , Dahua Lin

Conversational speech, while being unstructured at an utterance level, typically has a macro topic which provides larger context spanning multiple utterances. The current language models in speech recognition systems using recurrent neural…

音频与语音处理 · 电气工程与系统科学 2020-08-11 Srikanth Raj Chetupalli , Sriram Ganapathy

Contextual Bandits find important use cases in various real-life scenarios such as online advertising, recommendation systems, healthcare, etc. However, most of the algorithms use flat feature vectors to represent context whereas, in the…

机器学习 · 计算机科学 2021-06-29 Kaushik Roy , Qi Zhang , Manas Gaur , Amit Sheth

Conversational agents leveraging AI, particularly deep learning, are emerging in both academic research and real-world applications. However, these applications still face challenges, including disrespecting knowledge and facts, not…

计算与语言 · 计算机科学 2025-03-25 Junfeng Liu , Zhuocheng Mei , Kewen Peng , Ranga Raju Vatsavai

This paper describes our winning entry in the ImageCLEF 2015 image sentence generation task. We improve Google's CNN-LSTM model by introducing concept-based sentence reranking, a data-driven approach which exploits the large amounts of…

计算机视觉与模式识别 · 计算机科学 2016-05-04 Xirong Li , Qin Jin

In recent years, convolutional neural networks (CNNs) took over the field of document analysis and they became the predominant model for word spotting. Especially attribute CNNs, which learn the mapping between a word image and an attribute…

计算机视觉与模式识别 · 计算机科学 2019-03-27 Fabian Wolf , Philipp Oberdiek , Gernot A. Fink

Using only image-sentence pairs, weakly-supervised visual-textual grounding aims to learn region-phrase correspondences of the respective entity mentions. Compared to the supervised approach, learning is more difficult since bounding boxes…

计算机视觉与模式识别 · 计算机科学 2023-09-27 Davide Rigoni , Luca Parolari , Luciano Serafini , Alessandro Sperduti , Lamberto Ballan

We propose a weakly-supervised approach that takes image-sentence pairs as input and learns to visually ground (i.e., localize) arbitrary linguistic phrases, in the form of spatial attention masks. Specifically, the model is trained with…

计算机视觉与模式识别 · 计算机科学 2017-05-04 Fanyi Xiao , Leonid Sigal , Yong Jae Lee

In this paper, we study the problem of visual grounding by considering both phrase extraction and grounding (PEG). In contrast to the previous phrase-known-at-test setting, PEG requires a model to extract phrases from text and locate…

计算机视觉与模式识别 · 计算机科学 2022-12-01 Shilong Liu , Yaoyuan Liang , Feng Li , Shijia Huang , Hao Zhang , Hang Su , Jun Zhu , Lei Zhang

Image captioning, a challenging task where the machine automatically describes an image by sentences, has drawn significant attention in recent years. Despite the remarkable improvements of recent approaches, however, these methods are…

多媒体 · 计算机科学 2020-01-14 Qianyu Feng , Yu Wu , Hehe Fan , Chenggang Yan , Yi Yang

We aim to localize objects in images using image-level supervision only. Previous approaches to this problem mainly focus on discriminative object regions and often fail to locate precise object boundaries. We address this problem by…

计算机视觉与模式识别 · 计算机科学 2016-09-15 Vadim Kantorov , Maxime Oquab , Minsu Cho , Ivan Laptev

We describe a modern deep learning system that automatically identifies informative contextual examples (\qu{contexts}) for first language vocabulary instruction for high school student. Our paper compares three modeling approaches: (i) an…

计算与语言 · 计算机科学 2026-02-23 Tao Wu , Adam Kapelner

This paper explores the weakly-supervised referring image segmentation (WRIS) problem, and focuses on a challenging setup where target localization is learned directly from image-text pairs. We note that the input text description typically…

计算机视觉与模式识别 · 计算机科学 2024-12-05 Zaiquan Yang , Yuhao Liu , Jiaying Lin , Gerhard Hancke , Rynson W. H. Lau

Graphical User Interface (GUI) grounding requires mapping natural language instructions to precise pixel coordinates. However, due to visually homogeneous elements and dense layouts, models typically grasp semantic intent yet struggle with…

机器学习 · 计算机科学 2026-04-24 Wenkai Wang , Xiyun Li , Hongcan Guo , Wenhao Yu , Tianqing Fang , Haitao Mi , Dong Yu , Shengyu Zhang

A key challenge in entity linking is making effective use of contextual information to disambiguate mentions that might refer to different entities in different contexts. We present a model that uses convolutional neural networks to capture…

计算与语言 · 计算机科学 2016-04-05 Matthew Francis-Landau , Greg Durrett , Dan Klein

We present a technique for adding global context to deep convolutional networks for semantic segmentation. The approach is simple, using the average feature for a layer to augment the features at each location. In addition, we study several…

计算机视觉与模式识别 · 计算机科学 2015-11-23 Wei Liu , Andrew Rabinovich , Alexander C. Berg

Generative recommendation (GR) models tokenize each action into a few discrete tokens (called semantic IDs) and autoregressively generate the next tokens as predictions, showing advantages such as memory efficiency, scalability, and the…

信息检索 · 计算机科学 2025-10-27 Qiyong Zhong , Jiajie Su , Yunshan Ma , Julian McAuley , Yupeng Hou

Generative Recommendation (GR) has become a promising paradigm for large-scale recommendation systems. However, existing GR models typically perform single-pass decoding without explicit refinement, causing early deviations to accumulate…

信息检索 · 计算机科学 2026-03-02 Haibo Xing , Hao Deng , Lingyu Mu , Jinxin Hu , Yu Zhang , Xiaoyi Zeng , Jing Zhang