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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…

Computer Vision and Pattern Recognition · Computer Science 2012-10-23 Philipp Krähenbühl , Vladlen Koltun

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…

Computer Vision and Pattern Recognition · Computer Science 2016-11-30 Siddhartha Chandra , Iasonas Kokkinos

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…

Computer Vision and Pattern Recognition · Computer Science 2017-03-28 Fayao Liu , Guosheng Lin , Ruizhi Qiao , Chunhua Shen

Fully connected pairwise Conditional Random Fields (Full-CRF) with Gaussian edge weights can achieve superior results compared to sparsely connected CRFs. However, traditional methods for Full-CRFs are too expensive. Previous work develops…

Computer Vision and Pattern Recognition · Computer Science 2018-09-14 Olga Veksler

This paper describes a fast and accurate semantic image segmentation approach that encodes not only the discriminative features from deep neural networks, but also the high-order context compatibility among adjacent objects as well as low…

Computer Vision and Pattern Recognition · Computer Science 2016-05-16 Falong Shen , Gang Zeng

Semantic segmentation (i.e. image parsing) aims to annotate each image pixel with its corresponding semantic class label. Spatially consistent labeling of the image requires an accurate description and modeling of the local contextual…

Computer Vision and Pattern Recognition · Computer Science 2019-01-24 Hasan F. Ates , Sercan Sunetci

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…

Computer Vision and Pattern Recognition · Computer Science 2022-07-08 Farnoush Zohourian , Jan Siegemund , Mirko Meuter , Josef Pauli

In order to improve offline map matching accuracy of low-sampling-rate GPS, a map matching algorithm based on conditional random fields (CRF) and route preference mining is proposed. In this algorithm, road offset distance and the…

Networking and Internet Architecture · Computer Science 2015-10-07 Xu Ming , Du Yi-man , Wu Jian-ping , Zhou Yang

Models based on Convolutional Neural Networks (CNNs) have been proven very successful for semantic segmentation and object parsing that yield hierarchies of features. Our key insight is to build convolutional networks that take input of…

Artificial Intelligence · Computer Science 2017-10-31 Jalal Mirakhorli , Hamidreza Amindavar

Many deep learning architectures for semantic segmentation involve a Fully Convolutional Neural Network (FCN) followed by a Conditional Random Field (CRF) to carry out inference over an image. These models typically involve unary potentials…

Computer Vision and Pattern Recognition · Computer Science 2018-05-25 Cristina Mata , Guy Ben-Yosef , Boris Katz

The proliferation of sensor devices monitoring human activity generates voluminous amount of temporal sequences needing to be interpreted and categorized. Moreover, complex behavior detection requires the personalization of multi-sensor…

Machine Learning · Computer Science 2016-02-08 Myriam Abramson

Conditional Random Field (CRF) based neural models are among the most performant methods for solving sequence labeling problems. Despite its great success, CRF has the shortcoming of occasionally generating illegal sequences of tags, e.g.…

Machine Learning · Computer Science 2021-03-22 Tianwen Wei , Jianwei Qi , Shenghuan He , Songtao Sun

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…

Computer Vision and Pattern Recognition · Computer Science 2019-02-05 Gaurav Pandey , Ambedkar Dukkipati

Segmenting semantic objects from images and parsing them into their respective semantic parts are fundamental steps towards detailed object understanding in computer vision. In this paper, we propose a joint solution that tackles semantic…

Computer Vision and Pattern Recognition · Computer Science 2015-05-05 Peng Wang , Xiaohui Shen , Zhe Lin , Scott Cohen , Brian Price , Alan Yuille

In this paper we proposed an ordered patch based method using Conditional Random Field (CRF) in order to encode local properties and their spatial relationship in images to address texture classification, face recognition, and scene…

Computer Vision and Pattern Recognition · Computer Science 2016-10-06 Fariborz Taherkhani

Recent applications in computer vision have come to heavily rely on superpixel over-segmentation as a pre-processing step for higher level vision tasks, such as object recognition, image labelling or image segmentation. Here we present a…

Computer Vision and Pattern Recognition · Computer Science 2016-05-20 Imanol Luengo , Mark Basham , Andrew P. French

Dense conditional random fields (CRFs) have become a popular framework for modelling several problems in computer vision such as stereo correspondence and multi-class semantic segmentation. By modelling long-range interactions, dense CRFs…

Computer Vision and Pattern Recognition · Computer Science 2018-10-29 Thomas Joy , Alban Desmaison , Thalaiyasingam Ajanthan , Rudy Bunel , Mathieu Salzmann , Pushmeet Kohli , Philip H. S. Torr , M. Pawan Kumar

Superpixels have become prevalent in computer vision. They have been used to achieve satisfactory performance at a significantly smaller computational cost for various tasks. People have also combined superpixels with Markov random field…

Computer Vision and Pattern Recognition · Computer Science 2015-03-24 Junyan Wang , Sai-Kit Yeung

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…

Computer Vision and Pattern Recognition · Computer Science 2016-06-06 Md. Alimoor Reza , Jana Kosecka

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…

Computer Vision and Pattern Recognition · Computer Science 2012-01-19 Manoj K. Vairalkar , Sonali. Nimbhorkar