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相关论文: Convolutional CRFs for Semantic Segmentation

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Modern semantic segmentation methods devote much effect to adjusting image feature representations to improve the segmentation performance in various ways, such as architecture design, attention mechnism, etc. However, almost all those…

计算机视觉与模式识别 · 计算机科学 2023-02-14 Jie Zhu , Huabin Huang , Banghuai Li , Leye Wang

We study the segmental recurrent neural network for end-to-end acoustic modelling. This model connects the segmental conditional random field (CRF) with a recurrent neural network (RNN) used for feature extraction. Compared to most previous…

计算与语言 · 计算机科学 2016-06-21 Liang Lu , Lingpeng Kong , Chris Dyer , Noah A. Smith , Steve Renals

Despite successful applications across a broad range of NLP tasks, conditional random fields ("CRFs"), in particular the linear-chain variant, are only able to model local features. While this has important benefits in terms of inference…

计算与语言 · 计算机科学 2017-10-13 Fei Liu , Timothy Baldwin , Trevor Cohn

Recognition of handwritten words continues to be an important problem in document analysis and recognition. Existing approaches extract hand-engineered features from word images--which can perform poorly with new data sets. Recently, deep…

计算机视觉与模式识别 · 计算机科学 2016-12-06 Gang Chen , Yawei Li , Sargur N. Srihari

Towards a safe and comfortable driving, road scene segmentation is a rudimentary problem in camera-based advance driver assistance systems (ADAS). Despite of the great achievement of Convolutional Neural Networks (CNN) for semantic…

计算机视觉与模式识别 · 计算机科学 2022-07-08 Farnoush Zohourian , Jan Siegemund , Mirko Meuter , Josef Pauli

Convolutional neural networks (CNNs) have achieved state-of-the-art results on many visual recognition tasks. However, current CNN models still exhibit a poor ability to be invariant to spatial transformations of images. Intuitively, with…

计算机视觉与模式识别 · 计算机科学 2019-12-04 Xu Shen , Xinmei Tian , Anfeng He , Shaoyan Sun , Dacheng Tao

Existing image recognition techniques based on convolutional neural networks (CNNs) basically assume that the training and test datasets are sampled from i.i.d distributions. However, this assumption is easily broken in the real world…

计算机视觉与模式识别 · 计算机科学 2025-12-03 Kazuki Adachi , Shin'ya Yamaguchi

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

Recent advances in semantic image segmentation have mostly been achieved by training deep convolutional neural networks (CNNs). We show how to improve semantic segmentation through the use of contextual information; specifically, we explore…

计算机视觉与模式识别 · 计算机科学 2016-06-07 Guosheng Lin , Chunhua Shen , Anton van dan Hengel , Ian Reid

We develop a representation suitable for the unconstrained recognition of words in natural images: the general case of no fixed lexicon and unknown length. To this end we propose a convolutional neural network (CNN) based architecture which…

计算机视觉与模式识别 · 计算机科学 2015-04-13 Max Jaderberg , Karen Simonyan , Andrea Vedaldi , Andrew Zisserman

Neural Radiance Fields (NeRF) have demonstrated impressive performance in novel view synthesis. However, NeRF and most of its variants still rely on traditional complex pipelines to provide extrinsic and intrinsic camera parameters, such as…

计算机视觉与模式识别 · 计算机科学 2023-12-15 Qingsong Yan , Qiang Wang , Kaiyong Zhao , Jie Chen , Bo Li , Xiaowen Chu , Fei Deng

We tackle the panoptic segmentation problem with a conditional random field (CRF) model. Panoptic segmentation involves assigning a semantic label and an instance label to each pixel of a given image. At each pixel, the semantic label and…

计算机视觉与模式识别 · 计算机科学 2020-08-25 Sadeep Jayasumana , Kanchana Ranasinghe , Mayuka Jayawardhana , Sahan Liyanaarachchi , Harsha Ranasinghe

Deep convolutional networks have achieved the state-of-the-art for semantic image segmentation tasks. However, training these networks requires access to densely labeled images, which are known to be very expensive to obtain. On the other…

计算机视觉与模式识别 · 计算机科学 2019-02-05 Gaurav Pandey , Ambedkar Dukkipati

The state-of-the-art in semantic segmentation is currently represented by fully convolutional networks (FCNs). However, FCNs use large receptive fields and many pooling layers, both of which cause blurring and low spatial resolution in the…

计算机视觉与模式识别 · 计算机科学 2016-05-26 Gedas Bertasius , Jianbo Shi , Lorenzo Torresani

Future advancements in robot autonomy and sophistication of robotics tasks rest on robust, efficient, and task-dependent semantic understanding of the environment. Semantic segmentation is the problem of simultaneous segmentation and…

计算机视觉与模式识别 · 计算机科学 2016-06-06 Md. Alimoor Reza , Jana Kosecka

Structure learning of Conditional Random Fields (CRFs) can be cast into an L1-regularized optimization problem. To avoid optimizing over a fully linked model, gain-based or gradient-based feature selection methods start from an empty model…

机器学习 · 计算机科学 2014-07-01 Ni Lao , Jun Zhu

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…

计算机视觉与模式识别 · 计算机科学 2018-07-30 Jindong Jiang , Zhijun Zhang , Yongqian Huang , Lunan Zheng

Segmental conditional random fields (SCRFs) and connectionist temporal classification (CTC) are two sequence labeling methods used for end-to-end training of speech recognition models. Both models define a transcription probability by…

计算与语言 · 计算机科学 2017-06-07 Liang Lu , Lingpeng Kong , Chris Dyer , Noah A. Smith

Deep convolutional neural networks (CNNs) are the backbone of state-of-art semantic image segmentation systems. Recent work has shown that complementing CNNs with fully-connected conditional random fields (CRFs) can significantly enhance…

计算机视觉与模式识别 · 计算机科学 2016-06-03 Liang-Chieh Chen , Jonathan T. Barron , George Papandreou , Kevin Murphy , Alan L. Yuille

Convolutional layers are one of the basic building blocks of modern deep neural networks. One fundamental assumption is that convolutional kernels should be shared for all examples in a dataset. We propose conditionally parameterized…

计算机视觉与模式识别 · 计算机科学 2020-09-07 Brandon Yang , Gabriel Bender , Quoc V. Le , Jiquan Ngiam