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Speech dereverberation is often an important requirement in robust speech processing tasks. Supervised deep learning (DL) models give state-of-the-art performance for single-channel speech dereverberation. Temporal convolutional networks…

声音 · 计算机科学 2022-07-04 William Ravenscroft , Stefan Goetze , Thomas Hain

This article proposes a convenient tool for decoding the output of neural networks trained by Connectionist Temporal Classification (CTC) for handwritten text recognition. We use regular expressions to describe the complex structures…

神经与进化计算 · 计算机科学 2016-03-31 Tobias Strauß , Gundram Leifert , Tobias Grüning , Roger Labahn

Neural field methods have seen great progress in various long-standing tasks in computer vision and computer graphics, including novel view synthesis and geometry reconstruction. As existing neural field methods try to predict some…

计算机视觉与模式识别 · 计算机科学 2024-03-05 Xindi Yang , Zeke Xie , Xiong Zhou , Boyu Liu , Buhua Liu , Yi Liu , Haoran Wang , Yunfeng Cai , Mingming Sun

Conditional Random Fields (CRFs) constitute a popular and efficient approach for supervised sequence labelling. CRFs can cope with large description spaces and can integrate some form of structural dependency between labels. In this…

机器学习 · 计算机科学 2015-05-14 Nataliya Sokolovska , Thomas Lavergne , Olivier Cappé , François Yvon

We propose the predictive forward-forward (PFF) algorithm for conducting credit assignment in neural systems. Specifically, we design a novel, dynamic recurrent neural system that learns a directed generative circuit jointly and…

机器学习 · 计算机科学 2023-04-04 Alexander Ororbia , Ankur Mali

Most state-of-the-art techniques for multi-class image segmentation and labeling use conditional random fields defined over pixels or image regions. While region-level models often feature dense pairwise connectivity, pixel-level models are…

计算机视觉与模式识别 · 计算机科学 2012-10-23 Philipp Krähenbühl , Vladlen Koltun

This paper introduces innovative frameworks for visual abstract reasoning, aiming to boost deep learning model performance. It emphasizes the importance of separating abstract concept and reasoning feature extraction processes. The…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Ruizhuo Song , Beiming Yuan

We propose a novel and principled hybrid CNN+CRF model for stereo estimation. Our model allows to exploit the advantages of both, convolutional neural networks (CNNs) and conditional random fields (CRFs) in an unified approach. The CNNs…

计算机视觉与模式识别 · 计算机科学 2017-05-04 Patrick Knöbelreiter , Christian Reinbacher , Alexander Shekhovtsov , Thomas Pock

Convolutional Neural Networks (CNNs) are effective models for reducing spectral variations and modeling spectral correlations in acoustic features for automatic speech recognition (ASR). Hybrid speech recognition systems incorporating CNNs…

In this paper, we propose a variety of Long Short-Term Memory (LSTM) based models for sequence tagging. These models include LSTM networks, bidirectional LSTM (BI-LSTM) networks, LSTM with a Conditional Random Field (CRF) layer (LSTM-CRF)…

计算与语言 · 计算机科学 2015-08-11 Zhiheng Huang , Wei Xu , Kai Yu

The design of activation functions is a growing research area in the field of neural networks. In particular, instead of using fixed point-wise functions (e.g., the rectified linear unit), several authors have proposed ways of learning…

机器学习 · 计算机科学 2019-01-30 Simone Scardapane , Elena Nieddu , Donatella Firmani , Paolo Merialdo

Deep learning methods are powerful tools but often suffer from expensive computation and limited flexibility. An alternative is to combine light-weight models with deep representations. As successful cases exist in several visual problems,…

计算机视觉与模式识别 · 计算机科学 2015-09-25 Bin Yang , Junjie Yan , Zhen Lei , Stan Z. Li

The family of methods collectively known as classifier chains has become a popular approach to multi-label learning problems. This approach involves linking together off-the-shelf binary classifiers in a chain structure, such that class…

机器学习 · 计算机科学 2021-02-15 Jesse Read , Bernhard Pfahringer , Geoff Holmes , Eibe Frank

The phrase grounding task aims to ground each entity mention in a given caption of an image to a corresponding region in that image. Although there are clear dependencies between how different mentions of the same caption should be…

计算与语言 · 计算机科学 2019-09-04 Jiacheng Liu , Julia Hockenmaier

Multilayer perceptrons (MLPs) learn high frequencies slowly. Recent approaches encode features in spatial bins to improve speed of learning details, but at the cost of larger model size and loss of continuity. Instead, we propose to encode…

计算机视觉与模式识别 · 计算机科学 2022-12-05 Jae Yong Lee , Yuqun Wu , Chuhang Zou , Shenlong Wang , Derek Hoiem

Extracting multiple relations from text sentences is still a challenge for current Open Relation Extraction (Open RE) tasks. In this paper, we develop several Open RE models based on the bidirectional LSTM-CRF (BiLSTM-CRF) neural network…

计算与语言 · 计算机科学 2024-07-10 Tao Ni , Qing Wang , Gabriela Ferraro

Recently, the connectionist temporal classification (CTC) model coupled with recurrent (RNN) or convolutional neural networks (CNN), made it easier to train speech recognition systems in an end-to-end fashion. However in real-valued models,…

Convolutional neural networks have been successfully applied to various NLP tasks. However, it is not obvious whether they model different linguistic patterns such as negation, intensification, and clause compositionality to help the…

计算与语言 · 计算机科学 2018-10-23 Mahnaz Koupaee , William Yang Wang

Learning algorithms for natural language processing (NLP) tasks traditionally rely on manually defined relevant contextual features. On the other hand, neural network models using an only distributional representation of words have been…

计算与语言 · 计算机科学 2017-11-30 Kushal Chawla , Sunil Kumar Sahu , Ashish Anand

Modelling the mapping from scene irradiance to image intensity is essential for many computer vision tasks. Such mapping is known as the camera response. Most digital cameras use a nonlinear function to map irradiance, as measured by the…

计算机视觉与模式识别 · 计算机科学 2022-09-09 Yunfeng Zhao , Stuart Ferguson , Huiyu Zhou , Karen Rafferty