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Existing semantic segmentation approaches either aim to improve the object's inner consistency by modeling the global context, or refine objects detail along their boundaries by multi-scale feature fusion. In this paper, a new paradigm for…

Computer Vision and Pattern Recognition · Computer Science 2020-08-19 Xiangtai Li , Xia Li , Li Zhang , Guangliang Cheng , Jianping Shi , Zhouchen Lin , Shaohua Tan , Yunhai Tong

Distributed word representations have been demonstrated to be effective in capturing semantic and syntactic regularities. Unsupervised representation learning from large unlabeled corpora can learn similar representations for those words…

Computation and Language · Computer Science 2015-12-01 Chunting Zhou , Chonglin Sun , Zhiyuan Liu , Francis C. M. Lau

Segmenting text into semantically coherent segments is an important task with applications in information retrieval and text summarization. Developing accurate topical segmentation requires the availability of training data with ground…

Computation and Language · Computer Science 2019-04-16 Saurav Manchanda , George Karypis

Sentiment analysis is one of the well-known tasks and fast growing research areas in natural language processing (NLP) and text classifications. This technique has become an essential part of a wide range of applications including politics,…

Computation and Language · Computer Science 2017-11-27 Seyed Mahdi Rezaeinia , Ali Ghodsi , Rouhollah Rahmani

We propose a new method for semantic instance segmentation, by first computing how likely two pixels are to belong to the same object, and then by grouping similar pixels together. Our similarity metric is based on a deep, fully…

Computer Vision and Pattern Recognition · Computer Science 2017-03-31 Alireza Fathi , Zbigniew Wojna , Vivek Rathod , Peng Wang , Hyun Oh Song , Sergio Guadarrama , Kevin P. Murphy

The computation of distance measures between nodes in graphs is inefficient and does not scale to large graphs. We explore dense vector representations as an effective way to approximate the same information: we introduce a simple yet…

Computation and Language · Computer Science 2019-06-18 Andrey Kutuzov , Mohammad Dorgham , Oleksiy Oliynyk , Chris Biemann , Alexander Panchenko

Many real systems have been modelled in terms of network concepts, and written texts are a particular example of information networks. In recent years, the use of network methods to analyze language has allowed the discovery of several…

Computation and Language · Computer Science 2016-06-28 Henrique F. de Arruda , Luciano da F. Costa , Diego R. Amancio

Word segmentation is a low-level NLP task that is non-trivial for a considerable number of languages. In this paper, we present a sequence tagging framework and apply it to word segmentation for a wide range of languages with different…

Computation and Language · Computer Science 2018-07-10 Yan Shao , Christian Hardmeier , Joakim Nivre

Semantic segmentation is a critical task in computer vision aiming to identify and classify individual pixels in an image, with numerous applications in for example autonomous driving and medical image analysis. However, semantic…

Computer Vision and Pattern Recognition · Computer Science 2024-11-18 Halil Ibrahim Aysel , Xiaohao Cai , Adam Prügel-Bennett

Learning word embeddings has received a significant amount of attention recently. Often, word embeddings are learned in an unsupervised manner from a large collection of text. The genre of the text typically plays an important role in the…

Computation and Language · Computer Science 2019-02-04 Wei Yang , Wei Lu , Vincent W. Zheng

Recent advances in methods focused on the grounding problem have resulted in techniques that can be used to construct a symbolic language associated with a specific domain. Inspired by how humans communicate complex ideas through language,…

Artificial Intelligence · Computer Science 2020-08-06 Alberto Santamaria-Pang , James Kubricht , Aritra Chowdhury , Chitresh Bhushan , Peter Tu

This paper addresses text-supervised semantic segmentation, aiming to learn a model capable of segmenting arbitrary visual concepts within images by using only image-text pairs without dense annotations. Existing methods have demonstrated…

Computer Vision and Pattern Recognition · Computer Science 2024-04-08 Ji-Jia Wu , Andy Chia-Hao Chang , Chieh-Yu Chuang , Chun-Pei Chen , Yu-Lun Liu , Min-Hung Chen , Hou-Ning Hu , Yung-Yu Chuang , Yen-Yu Lin

We investigate segmenting and clustering speech into low-bitrate phone-like sequences without supervision. We specifically constrain pretrained self-supervised vector-quantized (VQ) neural networks so that blocks of contiguous feature…

Computation and Language · Computer Science 2021-06-14 Herman Kamper , Benjamin van Niekerk

Learning vectors that capture the meaning of concepts remains a fundamental challenge. Somewhat surprisingly, perhaps, pre-trained language models have thus far only enabled modest improvements to the quality of such concept embeddings.…

Computation and Language · Computer Science 2023-05-18 Na Li , Hanane Kteich , Zied Bouraoui , Steven Schockaert

Recent successes in word embedding and document embedding have motivated researchers to explore similar representations for networks and to use such representations for tasks such as edge prediction, node label prediction, and community…

Machine Learning · Statistics 2019-04-09 Mohammad Raihanul Islam , B. Aditya Prakash , Naren Ramakrishnan

Most recent approaches use the sequence-to-sequence model for paraphrase generation. The existing sequence-to-sequence model tends to memorize the words and the patterns in the training dataset instead of learning the meaning of the words.…

Computation and Language · Computer Science 2018-04-02 Shuming Ma , Xu Sun , Wei Li , Sujian Li , Wenjie Li , Xuancheng Ren

The relationship between words in a sentence often tells us more about the underlying semantic content of a document than its actual words, individually. In this work, we propose two novel algorithms, called Flexible Lexical Chain II and…

To extract essential information from complex data, computer scientists have been developing machine learning models that learn low-dimensional representation mode. From such advances in machine learning research, not only computer…

Artificial Intelligence · Computer Science 2024-06-18 Akira Matsui , Emilio Ferrara

Recent studies on direct speech translation show continuous improvements by means of data augmentation techniques and bigger deep learning models. While these methods are helping to close the gap between this new approach and the more…

Computation and Language · Computer Science 2020-09-11 Mattia Antonino Di Gangi , Marco Gaido , Matteo Negri , Marco Turchi

Word embedding models such as the skip-gram learn vector representations of words' semantic relationships, and document embedding models learn similar representations for documents. On the other hand, topic models provide latent…

Computation and Language · Computer Science 2019-09-12 Kamrun Naher Keya , Yannis Papanikolaou , James R. Foulds