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Conditional random fields (CRF) for label decoding has become ubiquitous in sequence labeling tasks. However, the local label dependencies and inefficient Viterbi decoding have always been a problem to be solved. In this work, we introduce…

计算与语言 · 计算机科学 2020-12-22 Tao Gui , Jiacheng Ye , Qi Zhang , Zhengyan Li , Zichu Fei , Yeyun Gong , Xuanjing Huang

CRF has been used as a powerful model for statistical sequence labeling. For neural sequence labeling, however, BiLSTM-CRF does not always lead to better results compared with BiLSTM-softmax local classification. This can be because the…

计算与语言 · 计算机科学 2019-11-11 Leyang Cui , Yue Zhang

Linear chain conditional random fields (CRFs) combined with contextual word embeddings have achieved state of the art performance on sequence labeling tasks. In many of these tasks, the identity of the neighboring words is often the most…

计算与语言 · 计算机科学 2021-03-31 Harshil Shah , Tim Xiao , David Barber

We present LS-CRF, a new method for very efficient large-scale training of Conditional Random Fields (CRFs). It is inspired by existing closed-form expressions for the maximum likelihood parameters of a generative graphical model with tree…

机器学习 · 计算机科学 2014-03-28 Alexander Kolesnikov , Matthieu Guillaumin , Vittorio Ferrari , Christoph H. Lampert

This paper proposes hybrid semi-Markov conditional random fields (SCRFs) for neural sequence labeling in natural language processing. Based on conventional conditional random fields (CRFs), SCRFs have been designed for the tasks of…

计算与语言 · 计算机科学 2018-05-11 Zhi-Xiu Ye , Zhen-Hua Ling

Smooth handling of pedestrian interactions is a key requirement for Autonomous Vehicles (AV) and Advanced Driver Assistance Systems (ADAS). Such systems call for early and accurate prediction of a pedestrian's crossing/not-crossing…

计算机视觉与模式识别 · 计算机科学 2020-09-16 Satyajit Neogi , Michael Hoy , Kang Dang , Hang Yu , Justin Dauwels

Exploiting multiple modalities for semantic scene parsing has been shown to improve accuracy over the singlemodality scenario. However multimodal datasets often suffer from problems such as data misalignment and label inconsistencies, where…

计算机视觉与模式识别 · 计算机科学 2017-09-29 Sarah Taghavi Namin , Mohammad Najafi , Mathieu Salzmann , Lars Petersson

Many of the state-of-the-art algorithms for gesture recognition are based on Conditional Random Fields (CRFs). Successful approaches, such as the Latent-Dynamic CRFs, extend the CRF by incorporating latent variables, whose values are mapped…

计算机视觉与模式识别 · 计算机科学 2017-04-04 Manoel Horta Ribeiro , Bruno Teixeira , Antônio Otávio Fernandes , Wagner Meira , Erickson R. Nascimento

This study introduces LRDif, a novel diffusion-based framework designed specifically for facial expression recognition (FER) within the context of under-display cameras (UDC). To address the inherent challenges posed by UDC's image…

计算机视觉与模式识别 · 计算机科学 2024-02-02 Zhifeng Wang , Kaihao Zhang , Ramesh Sankaranarayana

The increase of vehicle in highways may cause traffic congestion as well as in the normal roadways. Predicting the traffic flow in highways especially, is demanded to solve this congestion problem. Predictions on time-series multivariate…

计算机视觉与模式识别 · 计算机科学 2017-07-12 Sumarsih Condroayu Purbarani , Hadaiq Rolis Sanabila , Wisnu Jatmiko

In this work, we introduce a deep-structured conditional random field (DS-CRF) model for the purpose of state-based object silhouette tracking. The proposed DS-CRF model consists of a series of state layers, where each state layer spatially…

计算机视觉与模式识别 · 计算机科学 2016-02-17 Mohammad Shafiee , Zohreh Azimifar , Alexander Wong

Neural approaches to sequence labeling often use a Conditional Random Field (CRF) to model their output dependencies, while Recurrent Neural Networks (RNN) are used for the same purpose in other tasks. We set out to establish RNNs as an…

机器学习 · 计算机科学 2018-10-02 Saeed Najafi , Colin Cherry , Grzegorz Kondrak

Continuum manipulators (CMs) are widely used in minimally invasive procedures due to their compliant structure and ability to navigate deep and confined anatomical environments. However, their distributed deformation makes force sensing,…

机器人学 · 计算机科学 2026-03-16 Mobina Tavangarifard , Jonathan S. Kacines , Qiyu Li , Farshid Alambeigi

This paper presents an advanced Federated Learning (FL) framework for forecasting complex spatiotemporal data, improving upon recent state-of-the-art models. In the proposed approach, the original Gated Recurrent Unit (GRU) module within…

机器学习 · 计算机科学 2025-10-02 Thien Pham , Angelo Furno , Faïcel Chamroukhi , Latifa Oukhellou

Correlation filters are special classifiers designed for shift-invariant object recognition, which are robust to pattern distortions. The recent literature shows that combining a set of sub-filters trained based on a single or a small group…

计算机视觉与模式识别 · 计算机科学 2018-02-14 Baochang Zhang , Shangzhen Luan , Chen Chen , Jungong Han , Wei Wang , Alessandro Perina , Ling Shao

Multi-label feature selection serves as an effective mean for dealing with high-dimensional multi-label data. To achieve satisfactory performance, existing methods for multi-label feature selection often require the centralization of…

机器学习 · 计算机科学 2024-08-28 Yukun Song , Dayuan Cao , Jiali Miao , Shuai Yang , Kui Yu

Cascade regression framework has been shown to be effective for facial landmark detection. It starts from an initial face shape and gradually predicts the face shape update from the local appearance features to generate the facial landmark…

计算机视觉与模式识别 · 计算机科学 2017-09-26 Yue Wu , Qiang Ji

Discriminatively learned correlation filters (DCF) have been widely used in online visual tracking filed due to its simplicity and efficiency. These methods utilize a periodic assumption of the training samples to construct a circulant data…

计算机视觉与模式识别 · 计算机科学 2017-06-02 Xiaoxiang Hu , Yujiu Yang

A major challenge in structured prediction is to represent the interdependencies within output structures. When outputs are structured as sequences, linear-chain conditional random fields (CRFs) are a widely used model class which can learn…

机器学习 · 计算机科学 2023-08-14 Sean Papay , Roman Klinger , Sebastian Padó

There is a neglected fact in the traditional machine learning methods that the data sampling can actually lead to the solution sampling. We consider this observation to be important because having the solution sampling available makes the…

计算机视觉与模式识别 · 计算机科学 2017-06-06 Shangzhen Luan , Baochang Zhang , Jungong Han , Chen Chen , Ling Shao , Alessandro Perina , Linlin Shen