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Contextualized word representations are able to give different representations for the same word in different contexts, and they have been shown to be effective in downstream natural language processing tasks, such as question answering,…

Computation and Language · Computer Science 2020-01-01 Christian Hadiwinoto , Hwee Tou Ng , Wee Chung Gan

This work studies the representational mapping across multimodal data such that given a piece of the raw data in one modality the corresponding semantic description in terms of the raw data in another modality is immediately obtained. Such…

Computation and Language · Computer Science 2015-12-01 Zachary Seymour , Yingming Li , Zhongfei Zhang

In this work we propose a simple and efficient framework for learning sentence representations from unlabelled data. Drawing inspiration from the distributional hypothesis and recent work on learning sentence representations, we reformulate…

Computation and Language · Computer Science 2018-03-09 Lajanugen Logeswaran , Honglak Lee

Image captioning is one of the most challenging tasks in AI, which aims to automatically generate textual sentences for an image. Recent methods for image captioning follow encoder-decoder framework that transforms the sequence of salient…

Computer Vision and Pattern Recognition · Computer Science 2021-05-07 Zeliang Song , Xiaofei Zhou

As the intermediate-level representations bridging the two levels, structured representations of visual scenes, such as visual relationships between pairwise objects, have been shown to not only benefit compositional models in learning to…

Computer Vision and Pattern Recognition · Computer Science 2022-07-12 Meng-Jiun Chiou

Multi-modal machine translation aims at translating the source sentence into a different language in the presence of the paired image. Previous work suggests that additional visual information only provides dispensable help to translation,…

Computation and Language · Computer Science 2019-12-30 Pengcheng Yang , Boxing Chen , Pei Zhang , Xu Sun

We introduce two pre-trained retrieval focused multilingual sentence encoding models, respectively based on the Transformer and CNN model architectures. The models embed text from 16 languages into a single semantic space using a multi-task…

The success of scene graphs for visual scene understanding has brought attention to the benefits of abstracting a visual input (e.g., image) into a structured representation, where entities (people and objects) are nodes connected by edges…

Computer Vision and Pattern Recognition · Computer Science 2022-10-28 Mohamed Ashraf Abdelsalam , Zhan Shi , Federico Fancellu , Kalliopi Basioti , Dhaivat J. Bhatt , Vladimir Pavlovic , Afsaneh Fazly

Semantic matching is of central importance to many natural language tasks \cite{bordes2014semantic,RetrievalQA}. A successful matching algorithm needs to adequately model the internal structures of language objects and the interaction…

Computation and Language · Computer Science 2015-03-12 Baotian Hu , Zhengdong Lu , Hang Li , Qingcai Chen

Our objective is video retrieval based on natural language queries. In addition, we consider the analogous problem of retrieving sentences or generating descriptions given an input video. Recent work has addressed the problem by embedding…

Computer Vision and Pattern Recognition · Computer Science 2016-08-09 Mayu Otani , Yuta Nakashima , Esa Rahtu , Janne Heikkilä , Naokazu Yokoya

Visualization refers to our ability to create an image in our head based on the text we read or the words we hear. It is one of the many skills that makes reading comprehension possible. Convolutional Neural Networks (CNN) are an excellent…

Computer Vision and Pattern Recognition · Computer Science 2019-09-13 Ignazio Gallo , Shah Nawaz , Alessandro Calefati , Riccardo La Grassa , Nicola Landro

In this paper, we focus on the problem of unsupervised image-sentence matching. Existing research explores to utilize document-level structural information to sample positive and negative instances for model training. Although the approach…

Computer Vision and Pattern Recognition · Computer Science 2021-04-07 Zejun Li , Zhongyu Wei , Zhihao Fan , Haijun Shan , Xuanjing Huang

We capitalize on large amounts of readily-available, synchronous data to learn a deep discriminative representations shared across three major natural modalities: vision, sound and language. By leveraging over a year of sound from video and…

Computer Vision and Pattern Recognition · Computer Science 2017-06-06 Yusuf Aytar , Carl Vondrick , Antonio Torralba

Dense captioning is a newly emerging computer vision topic for understanding images with dense language descriptions. The goal is to densely detect visual concepts (e.g., objects, object parts, and interactions between them) from images,…

Computer Vision and Pattern Recognition · Computer Science 2017-08-09 Linjie Yang , Kevin Tang , Jianchao Yang , Li-Jia Li

Contextual embeddings represent a new generation of semantic representations learned from Neural Language Modelling (NLM) that addresses the issue of meaning conflation hampering traditional word embeddings. In this work, we show that…

Computation and Language · Computer Science 2019-06-25 Daniel Loureiro , Alipio Jorge

Referring expressions are natural language descriptions that identify a particular object within a scene and are widely used in our daily conversations. In this work, we focus on segmenting the object in an image specified by a referring…

Computer Vision and Pattern Recognition · Computer Science 2019-10-11 Yi-Wen Chen , Yi-Hsuan Tsai , Tiantian Wang , Yen-Yu Lin , Ming-Hsuan Yang

We introduce a variety of models, trained on a supervised image captioning corpus to predict the image features for a given caption, to perform sentence representation grounding. We train a grounded sentence encoder that achieves good…

Computation and Language · Computer Science 2018-06-06 Douwe Kiela , Alexis Conneau , Allan Jabri , Maximilian Nickel

Images represent a commonly used form of visual communication among people. Nevertheless, image classification may be a challenging task when dealing with unclear or non-common images needing more context to be correctly annotated. Metadata…

Computer Vision and Pattern Recognition · Computer Science 2020-03-31 Tobia Tesan , Pasquale Coscia , Lamberto Ballan

Most state-of-the-art models in natural language processing (NLP) are neural models built on top of large, pre-trained, contextual language models that generate representations of words in context and are fine-tuned for the task at hand.…

Computation and Language · Computer Science 2020-10-13 Brian Lester , Daniel Pressel , Amy Hemmeter , Sagnik Ray Choudhury , Srinivas Bangalore

Natural language provides a widely accessible and expressive interface for robotic agents. To understand language in complex environments, agents must reason about the full range of language inputs and their correspondence to the world.…

Computation and Language · Computer Science 2017-10-03 Stephanie Zhou , Alane Suhr , Yoav Artzi