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Spatially Coherent Random Forest (SCRF) extends Random Forest to create spatially coherent labeling. Each split function in SCRF is evaluated based on a traditional information gain measure that is regularized by a spatial coherency term.…

Computer Vision and Pattern Recognition · Computer Science 2015-12-08 Tal Remez , Shai Avidan

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…

Computer Vision and Pattern Recognition · Computer Science 2016-12-06 Gang Chen , Yawei Li , Sargur N. Srihari

Weakly-supervised semantic segmentation is a challenging task as no pixel-wise label information is provided for training. Recent methods have exploited classification networks to localize objects by selecting regions with strong response.…

Computer Vision and Pattern Recognition · Computer Science 2020-02-20 Xiang Wang , Sifei Liu , Huimin Ma , Ming-Hsuan Yang

Object detection is one of the most active areas in computer vision, which has made significant improvement in recent years. Current state-of-the-art object detection methods mostly adhere to the framework of regions with convolutional…

Computer Vision and Pattern Recognition · Computer Science 2016-04-15 Wenqing Chu , Deng Cai

Semantic segmentation, like other fields of computer vision, has seen a remarkable performance advance by the use of deep convolution neural networks. However, considering that neighboring pixels are heavily dependent on each other, both…

Computer Vision and Pattern Recognition · Computer Science 2017-08-08 Hyojin Park , Jisoo Jeong , Youngjoon Yoo , Nojun Kwak

A conditional random field (CRF) model for cloud detection in ground based sky images is presented. We show that very high cloud detection accuracy can be achieved by combining a discriminative classifier and a higher order clique potential…

Image and Video Processing · Electrical Eng. & Systems 2019-06-19 Vijai T. Jayadevan , Jeffrey J. Rodriguez , Alexander D. Cronin

This paper formulates and presents a solution to the new problem of budgeted semantic video segmentation. Given a video, the goal is to accurately assign a semantic class label to every pixel in the video within a specified time budget.…

Computer Vision and Pattern Recognition · Computer Science 2016-07-27 Behrooz Mahasseni , Sinisa Todorovic , Alan Fern

We consider Conditional Random Fields (CRFs) with pattern-based potentials defined on a chain. In this model the energy of a string (labeling) $x_1...x_n$ is the sum of terms over intervals $[i,j]$ where each term is non-zero only if the…

Machine Learning · Computer Science 2017-01-23 Rustem Takhanov , Vladimir Kolmogorov

In this paper, we will show that the recently introduced graphical model: Conditional Random Fields (CRF) provides a template to integrate micro-level information about biological entities into a mathematical model to understand their…

Machine Learning · Computer Science 2020-08-07 Lior Lukov , Sanjay Chawla , Wei Liu , Brett Church , Gaurav Pandey

This paper makes a focused contribution to supervised aspect extraction. It shows that if the system has performed aspect extraction from many past domains and retained their results as knowledge, Conditional Random Fields (CRF) can…

Computation and Language · Computer Science 2017-05-02 Lei Shu , Hu Xu , Bing Liu

Semantic sparsity is a common challenge in structured visual classification problems; when the output space is complex, the vast majority of the possible predictions are rarely, if ever, seen in the training set. This paper studies semantic…

Computer Vision and Pattern Recognition · Computer Science 2016-12-06 Mark Yatskar , Vicente Ordonez , Luke Zettlemoyer , Ali Farhadi

Recent works on deep conditional random fields (CRF) have set new records on many vision tasks involving structured predictions. Here we propose a fully-connected deep continuous CRF model for both discrete and continuous labelling…

Computer Vision and Pattern Recognition · Computer Science 2017-04-26 Fayao Liu , Guosheng Lin , Chunhua Shen

The Conditional Random Field as a Recurrent Neural Network layer is a recently proposed algorithm meant to be placed on top of an existing Fully-Convolutional Neural Network to improve the quality of semantic segmentation. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2018-07-20 Miguel Monteiro , Mário A. T. Figueiredo , Arlindo L. Oliveira

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…

Machine Learning · Computer Science 2014-07-01 Ni Lao , Jun Zhu

This paper proposes a learning-based approach to scene parsing inspired by the deep Recursive Context Propagation Network (RCPN). RCPN is a deep feed-forward neural network that utilizes the contextual information from the entire image,…

Computer Vision and Pattern Recognition · Computer Science 2015-04-01 Abhishek Sharma , Oncel Tuzel , David W. Jacobs

Modern computer vision (CV) is often based on convolutional neural networks (CNNs) that excel at hierarchical feature extraction. The previous generation of CV approaches was often based on conditional random fields (CRFs) that excel at…

Computer Vision and Pattern Recognition · Computer Science 2019-12-09 Shaofei Wang , Vishnu Lokhande , Maneesh Singh , Konrad Kording , Julian Yarkony

Often we wish to predict a large number of variables that depend on each other as well as on other observed variables. Structured prediction methods are essentially a combination of classification and graphical modeling, combining the…

Machine Learning · Statistics 2010-11-19 Charles Sutton , Andrew McCallum

Artificial intelligence is making great changes in academy and industry with the fast development of deep learning, which is a branch of machine learning and statistical learning. Fully convolutional network [1] is the standard model for…

Computer Vision and Pattern Recognition · Computer Science 2017-09-05 Yichi Gu , Qisheng Wu , Jing Li , Kai Cheng

Point cloud segmentation is the foundation of 3D environmental perception for modern intelligent systems. To solve this problem and image segmentation, conditional random fields (CRFs) are usually formulated as discrete models in label…

Computer Vision and Pattern Recognition · Computer Science 2021-10-13 Fei Yang , Franck Davoine , Huan Wang , Zhong Jin

In this work, we address the face parsing task with a Fully-Convolutional continuous CRF Neural Network (FC-CNN) architecture. In contrast to previous face parsing methods that apply region-based subnetwork hundreds of times, our FC-CNN is…

Computer Vision and Pattern Recognition · Computer Science 2017-08-15 Lei Zhou , Zhi Liu , Xiangjian He