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Neural network based approaches for sentence relation modeling automatically generate hidden matching features from raw sentence pairs. However, the quality of matching feature representation may not be satisfied due to complex semantic…

计算与语言 · 计算机科学 2016-04-01 Peng Li , Heng Huang

This paper proposes a method for learning joint embeddings of images and text using a two-branch neural network with multiple layers of linear projections followed by nonlinearities. The network is trained using a large margin objective…

计算机视觉与模式识别 · 计算机科学 2016-04-15 Liwei Wang , Yin Li , Svetlana Lazebnik

Text-based person search aims to retrieve images of a certain pedestrian by a textual description. The key challenge of this task is to eliminate the inter-modality gap and achieve the feature alignment across modalities. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2021-12-14 Shiping Li , Min Cao , Min Zhang

Finding target persons in full scene images with a query of text description has important practical applications in intelligent video surveillance.However, different from the real-world scenarios where the bounding boxes are not available,…

计算机视觉与模式识别 · 计算机科学 2024-02-27 Shizhou Zhang , De Cheng , Wenlong Luo , Yinghui Xing , Duo Long , Hao Li , Kai Niu , Guoqiang Liang , Yanning Zhang

Network embeddings, which learn low-dimensional representations for each vertex in a large-scale network, have received considerable attention in recent years. For a wide range of applications, vertices in a network are typically…

计算与语言 · 计算机科学 2018-08-30 Dinghan Shen , Xinyuan Zhang , Ricardo Henao , Lawrence Carin

Video retrieval is a challenging research topic bridging the vision and language areas and has attracted broad attention in recent years. Previous works have been devoted to representing videos by directly encoding from frame-level…

计算机视觉与模式识别 · 计算机科学 2020-06-17 Zerun Feng , Zhimin Zeng , Caili Guo , Zheng Li

Continuous vector representations of words and objects appear to carry surprisingly rich semantic content. In this paper, we advance both the conceptual and theoretical understanding of word embeddings in three ways. First, we ground…

计算与语言 · 计算机科学 2015-09-22 Tatsunori B. Hashimoto , David Alvarez-Melis , Tommi S. Jaakkola

Answering query with semantic concepts has long been the mainstream approach for video search. Until recently, its performance is surpassed by concept-free approach, which embeds queries in a joint space as videos. Nevertheless, the…

计算机视觉与模式识别 · 计算机科学 2024-02-20 Jiaxin Wu , Chong-Wah Ngo

We propose a novel generative model to explore both local and global context for joint learning topics and topic-specific word embeddings. In particular, we assume that global latent topics are shared across documents, a word is generated…

计算与语言 · 计算机科学 2020-08-12 Lixing Zhu , Yulan He , Deyu Zhou

Numerous embedding models have been recently explored to incorporate semantic knowledge into visual recognition. Existing methods typically focus on minimizing the distance between the corresponding images and texts in the embedding space…

计算机视觉与模式识别 · 计算机科学 2017-06-06 Dong Li , Hsin-Ying Lee , Jia-Bin Huang , Shengjin Wang , Ming-Hsuan Yang

In this paper we propose to learn a multimodal image and text embedding from Web and Social Media data, aiming to leverage the semantic knowledge learnt in the text domain and transfer it to a visual model for semantic image retrieval. We…

计算机视觉与模式识别 · 计算机科学 2018-08-21 Raul Gomez , Lluis Gomez , Jaume Gibert , Dimosthenis Karatzas

Concepts are used to solve the term-mismatch problem. However, we need an effective similarity measure between concepts. Word embedding presents a promising solution. We present in this study three approaches to build concepts vectors based…

信息检索 · 计算机科学 2020-02-05 Karam Abdulahhad

Distributed word embeddings have shown superior performances in numerous Natural Language Processing (NLP) tasks. However, their performances vary significantly across different tasks, implying that the word embeddings learnt by those…

计算与语言 · 计算机科学 2017-09-21 Danushka Bollegala , Kohei Hayashi , Ken-ichi Kawarabayashi

Stories are a very compelling medium to convey ideas, experiences, social and cultural values. Narrative is a specific manifestation of the story that turns it into knowledge for the audience. In this paper, we propose a machine learning…

计算机视觉与模式识别 · 计算机科学 2020-11-24 Prashanth Vijayaraghavan , Deb Roy

Sentence embedding techniques aim to encode key concepts of a sentence's meaning in a vector space. However, the majority of evaluation approaches for sentence embedding quality rely on the use of additional classifiers or downstream tasks.…

计算与语言 · 计算机科学 2026-04-24 Paul Keuren , Marc Ponsen , Robert Ayoub Bagheri

In this paper, we use the framework of neural machine translation to learn joint sentence representations across six very different languages. Our aim is that a representation which is independent of the language, is likely to capture the…

计算与语言 · 计算机科学 2017-08-09 Holger Schwenk , Matthijs Douze

With the novel and fast advances in the area of deep neural networks, several challenging image-based tasks have been recently approached by researchers in pattern recognition and computer vision. In this paper, we address one of these…

计算机视觉与模式识别 · 计算机科学 2022-11-11 Jônatas Wehrmann , Anderson Mattjie , Rodrigo C. Barros

Sense embedding learning methods learn multiple vectors for a given ambiguous word, corresponding to its different word senses. For this purpose, different methods have been proposed in prior work on sense embedding learning that use…

计算与语言 · 计算机科学 2023-05-31 Haochen Luo , Yi Zhou , Danushka Bollegala

Recent studies have adapted generative Multimodal Large Language Models (MLLMs) into embedding extractors for vision tasks, typically through fine-tuning to produce universal representations. However, their performance on video remains…

计算机视觉与模式识别 · 计算机科学 2026-02-10 Issar Tzachor , Dvir Samuel , Rami Ben-Ari

Recent works on word representations mostly rely on predictive models. Distributed word representations (aka word embeddings) are trained to optimally predict the contexts in which the corresponding words tend to appear. Such models have…

计算与语言 · 计算机科学 2015-04-10 Rémi Lebret , Ronan Collobert