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Most natural language processing systems based on machine learning are not robust to domain shift. For example, a state-of-the-art syntactic dependency parser trained on Wall Street Journal sentences has an absolute drop in performance of…

Computation and Language · Computer Science 2013-12-17 Edouard Grave , Guillaume Obozinski , Francis Bach

In a multilingual or sociolingual configuration Intra-sentential Code Switching (ICS) or Code Mixing (CM) is frequently observed nowadays. In the world, most of the people know more than one language. CM usage is especially apparent in…

Computation and Language · Computer Science 2020-10-12 Sunil Gundapu , Radhika Mamidi

Deep learning has attracted great attention recently and yielded the state of the art performance in dimension reduction and classification problems. However, it cannot effectively handle the structured output prediction, e.g. sequential…

Machine Learning · Computer Science 2015-05-05 Gang Chen , Ran Xu , Sargur Srihari

Fine-grained action segmentation and recognition is an important yet challenging task. Given a long, untrimmed sequence of kinematic data, the task is to classify the action at each time frame and segment the time series into the correct…

Computer Vision and Pattern Recognition · Computer Science 2018-01-30 Effrosyni Mavroudi , Divya Bhaskara , Shahin Sefati , Haider Ali , René Vidal

Automated melodic phrase detection and segmentation is a classical task in content-based music information retrieval and also the key towards automated music structure analysis. However, traditional methods still cannot satisfy practical…

Machine Learning · Computer Science 2018-11-15 Yixing Guan , Jinyu Zhao , Yiqin Qiu , Zheng Zhang , Gus Xia

This paper addresses the problem of depth estimation from a single still image. Inspired by recent works on multi- scale convolutional neural networks (CNN), we propose a deep model which fuses complementary information derived from…

Computer Vision and Pattern Recognition · Computer Science 2017-04-10 Dan Xu , Elisa Ricci , Wanli Ouyang , Xiaogang Wang , Nicu Sebe

Semisupervised learning has emerged as a popular framework for improving modeling accuracy while controlling labeling cost. Based on an extension of stochastic composite likelihood we quantify the asymptotic accuracy of generative…

Machine Learning · Computer Science 2010-03-02 Joshua V Dillon , Krishnakumar Balasubramanian , Guy Lebanon

Chinese named entity recognition (CNER) is an important task in Chinese natural language processing field. However, CNER is very challenging since Chinese entity names are highly context-dependent. In addition, Chinese texts lack delimiters…

Computation and Language · Computer Science 2019-05-07 Fangzhao Wu , Junxin Liu , Chuhan Wu , Yongfeng Huang , Xing Xie

We present an approach for the joint segmentation and grouping of similar components in anisotropic 3D image data and use it to segment neural tissue in serial sections electron microscopy (EM) images. We first construct a nested set of…

Computer Vision and Pattern Recognition · Computer Science 2011-09-20 Jan Funke , Björn Andres , Fred Hamprecht , Albert Cardona , Matthew Cook

Conditional random field (CRF) and Structural Support Vector Machine (Structural SVM) are two state-of-the-art methods for structured prediction which captures the interdependencies among output variables. The success of these methods is…

Machine Learning · Computer Science 2015-03-19 Qi Mao , Ivor W. Tsang

Sentence-level classification and sequential labeling are two fundamental tasks in language understanding. While these two tasks are usually modeled separately, in reality, they are often correlated, for example in intent classification and…

Computation and Language · Computer Science 2017-10-02 Mingbo Ma , Kai Zhao , Liang Huang , Bing Xiang , Bowen Zhou

LiDAR Semantic Segmentation is a fundamental task in autonomous driving perception consisting of associating each LiDAR point to a semantic label. Fully-supervised models have widely tackled this task, but they require labels for each scan,…

Computer Vision and Pattern Recognition · Computer Science 2024-11-06 Xavier Timoneda , Markus Herb , Fabian Duerr , Daniel Goehring , Fisher Yu

This paper describes our approach on Query Word Labeling as an attempt in the shared task on Mixed Script Information Retrieval at Forum for Information Retrieval Evaluation (FIRE) 2015. The query is written in Roman script and the words…

Information Retrieval · Computer Science 2016-08-01 Satanu Ghosh , Souvick Ghosh , Dipankar Das

Probabilistic Graphical Models (PGMs) encode conditional dependencies among random variables using a graph -nodes for variables, links for dependencies- and factorize the joint distribution into lower-dimensional components. This makes PGMs…

To improve segmentation performance, a novel neural network architecture (termed DFCN-DCRF) is proposed, which combines an RGB-D fully convolutional neural network (DFCN) with a depth-sensitive fully-connected conditional random field…

Computer Vision and Pattern Recognition · Computer Science 2018-07-30 Jindong Jiang , Zhijun Zhang , Yongqian Huang , Lunan Zheng

This paper addresses semantic image segmentation by incorporating rich information into Markov Random Field (MRF), including high-order relations and mixture of label contexts. Unlike previous works that optimized MRFs using iterative…

Computer Vision and Pattern Recognition · Computer Science 2015-09-25 Ziwei Liu , Xiaoxiao Li , Ping Luo , Chen Change Loy , Xiaoou Tang

We propose a novel visual re-localization method based on direct matching between the implicit 3D descriptors and the 2D image with transformer. A conditional neural radiance field(NeRF) is chosen as the 3D scene representation in our…

Computer Vision and Pattern Recognition · Computer Science 2023-04-18 Jianlin Liu , Qiang Nie , Yong Liu , Chengjie Wang

Semantic role labeling (SRL) is the task of identifying the predicate-argument structure of a sentence. It is typically regarded as an important step in the standard NLP pipeline. As the semantic representations are closely related to…

Computation and Language · Computer Science 2017-08-01 Diego Marcheggiani , Ivan Titov

Labeled data used for training activity recognition classifiers are usually limited in terms of size and diversity. Thus, the learned model may not generalize well when used in real-world use cases. Semi-supervised learning augments labeled…

Machine Learning · Computer Science 2018-01-25 Ming Zeng , Tong Yu , Xiao Wang , Le T. Nguyen , Ole J. Mengshoel , Ian Lane

Sentiment classification involves quantifying the affective reaction of a human to a document, media item or an event. Although researchers have investigated several methods to reliably infer sentiment from lexical, speech and body language…

Information Retrieval · Computer Science 2018-06-11 Rahul Gupta , Saurabh Sahu , Carol Espy-Wilson , Shrikanth Narayanan