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Image segmentation is considered to be one of the critical tasks in hyperspectral remote sensing image processing. Recently, convolutional neural network (CNN) has established itself as a powerful model in segmentation and classification by…

计算机视觉与模式识别 · 计算机科学 2017-12-29 Fahim Irfan Alam , Jun Zhou , Alan Wee-Chung Liew , Xiuping Jia , Jocelyn Chanussot , Yongsheng Gao

Conditional Random Rields (CRF) have been widely applied in image segmentations. While most studies rely on hand-crafted features, we here propose to exploit a pre-trained large convolutional neural network (CNN) to generate deep features…

计算机视觉与模式识别 · 计算机科学 2015-03-31 Fayao Liu , Guosheng Lin , Chunhua Shen

The standard training method of Conditional Random Fields (CRFs) is very slow for large-scale applications. As an alternative, piecewise training divides the full graph into pieces, trains them independently, and combines the learned…

机器学习 · 计算机科学 2012-12-05 Zhemin Zhu , Djoerd Hiemstra , Peter Apers , Andreas Wombacher

We propose a new approach to image segmentation, which exploits the advantages of both conditional random fields (CRFs) and decision trees. In the literature, the potential functions of CRFs are mostly defined as a linear combination of…

计算机视觉与模式识别 · 计算机科学 2017-03-28 Fayao Liu , Guosheng Lin , Ruizhi Qiao , Chunhua Shen

Superpixel-based Higher-order Conditional Random Fields (CRFs) are effective in enforcing long-range consistency in pixel-wise labeling problems, such as semantic segmentation. However, their major short coming is considerably longer time…

计算机视觉与模式识别 · 计算机科学 2018-05-31 Li Sulimowicz , Ishfaq Ahmad , Alexander Aved

Superpixel-based Higher-order Conditional random fields (SP-HO-CRFs) are known for their effectiveness in enforcing both short and long spatial contiguity for pixelwise labelling in computer vision. However, their higher-order potentials…

计算机视觉与模式识别 · 计算机科学 2018-04-09 Li Sulimowicz , Ishfaq Ahmad , Alexander Aved

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 address the problem of semantic segmentation using deep learning. Most segmentation systems include a Conditional Random Field (CRF) to produce a structured output that is consistent with the image's visual features. Recent deep learning…

计算机视觉与模式识别 · 计算机科学 2016-08-01 Anurag Arnab , Sadeep Jayasumana , Shuai Zheng , Philip Torr

The output of image the segmentation process is usually not very clear due to low quality features of Satellite images. The purpose of this study is to find a suitable Conditional Random Field (CRF) to achieve better clarity in a segmented…

计算机视觉与模式识别 · 计算机科学 2026-05-21 Aashish Dhawan , Pankaj Bodani , Vishal Garg

Subspace learning (SL) plays an important role in hyperspectral image (HSI) classification, since it can provide an effective solution to reduce the redundant information in the image pixels of HSIs. Previous works about SL aim to improve…

计算机视觉与模式识别 · 计算机科学 2021-05-05 Yun Cao , Jie Mei , Yuebin Wang , Liqiang Zhang , Junhuan Peng , Bing Zhang , Lihua Li , Yibo Zheng

In this work we propose a structured prediction technique that combines the virtues of Gaussian Conditional Random Fields (G-CRF) with Deep Learning: (a) our structured prediction task has a unique global optimum that is obtained exactly…

计算机视觉与模式识别 · 计算机科学 2016-11-30 Siddhartha Chandra , Iasonas Kokkinos

For the challenging semantic image segmentation task the most efficient models have traditionally combined the structured modelling capabilities of Conditional Random Fields (CRFs) with the feature extraction power of CNNs. In more recent…

计算机视觉与模式识别 · 计算机科学 2018-05-16 Marvin T. T. Teichmann , Roberto Cipolla

Pixel-level labelling tasks, such as semantic segmentation, play a central role in image understanding. Recent approaches have attempted to harness the capabilities of deep learning techniques for image recognition to tackle pixel-level…

计算机视觉与模式识别 · 计算机科学 2016-04-15 Shuai Zheng , Sadeep Jayasumana , Bernardino Romera-Paredes , Vibhav Vineet , Zhizhong Su , Dalong Du , Chang Huang , Philip H. S. Torr

Conditional Random Fields (CRF) are among the most popular techniques for image labelling because of their flexibility in modelling dependencies between the labels and the image features. This paper proposes a novel CRF-framework for image…

计算机视觉与模式识别 · 计算机科学 2013-09-16 Sergey Kosov , Pushmeet Kohli , Franz Rottensteiner , Christian Heipke

Sparse Conditional Random Field (CRF) is a powerful technique in computer vision and natural language processing for structured prediction. However, solving sparse CRFs in large-scale applications remains challenging. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2021-11-30 Weizhong Zhang , Shuang Qiu

Automated surface segmentation is important and challenging in many medical image analysis applications. Recent deep learning based methods have been developed for various object segmentation tasks. Most of them are a classification based…

计算机视觉与模式识别 · 计算机科学 2019-09-25 Leixin Zhou , Zisha Zhong , Abhay Shah , Bensheng Qiu , John Buatti , Xiaodong Wu

We consider the problem of training probabilistic conditional random fields (CRFs) in the context of a task where performance is measured using a specific loss function. While maximum likelihood is the most common approach to training CRFs,…

机器学习 · 统计学 2015-03-19 Maksims N. Volkovs , Hugo Larochelle , Richard S. Zemel

Fully-connected Conditional Random Field (CRF) is often used as post-processing to refine voxel classification results by encouraging spatial coherence. In this paper, we propose a new end-to-end training method called Posterior-CRF. In…

计算机视觉与模式识别 · 计算机科学 2018-11-09 Shuai Chen , Marleen de Bruijne

The use of hierarchical Conditional Random Field model deal with the problem of labeling images . At the time of labeling a new image, selection of the nearest cluster and using the related CRF model to label this image. When one give input…

计算机视觉与模式识别 · 计算机科学 2012-01-19 Manoj K. Vairalkar , Sonali. Nimbhorkar

Are we using the right potential functions in the Conditional Random Field models that are popular in the Vision community? Semantic segmentation and other pixel-level labelling tasks have made significant progress recently due to the deep…

计算机视觉与模式识别 · 计算机科学 2018-01-03 Måns Larsson , Anurag Arnab , Fredrik Kahl , Shuai Zheng , Philip Torr
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