English
Related papers

Related papers: Continuous Markov Random Fields for Robust Stereo …

200 papers

Stereo matching is a core task for many computer vision and robotics applications. Despite their dominance in traditional stereo methods, the hand-crafted Markov Random Field (MRF) models lack sufficient modeling accuracy compared to…

Computer Vision and Pattern Recognition · Computer Science 2024-10-24 Tongfan Guan , Chen Wang , Yun-Hui Liu

Markov Random Fields (MRFs), a formulation widely used in generative image modeling, have long been plagued by the lack of expressive power. This issue is primarily due to the fact that conventional MRFs formulations tend to use simplistic…

Computer Vision and Pattern Recognition · Computer Science 2016-09-08 Zhirong Wu , Dahua Lin , Xiaoou Tang

Graphical models for structured domains are powerful tools, but the computational complexities of combinatorial prediction spaces can force restrictions on models, or require approximate inference in order to be tractable. Instead of…

Machine Learning · Computer Science 2013-09-27 Stephen Bach , Bert Huang , Ben London , Lise Getoor

Many problems in real-world applications involve predicting several random variables which are statistically related. Markov random fields (MRFs) are a great mathematical tool to encode such relationships. The goal of this paper is to…

Machine Learning · Computer Science 2015-04-29 Liang-Chieh Chen , Alexander G. Schwing , Alan L. Yuille , Raquel Urtasun

Our aim is to provide a pixel-wise instance-level labeling of a monocular image in the context of autonomous driving. We build on recent work [Zhang et al., ICCV15] that trained a convolutional neural net to predict instance labeling in…

Computer Vision and Pattern Recognition · Computer Science 2016-04-28 Ziyu Zhang , Sanja Fidler , Raquel Urtasun

We present a novel iterative algorithm for detection of binary Markov random fields (MRFs) corrupted by two-dimensional (2D) intersymbol interference (ISI) and additive white Gaussian noise (AWGN). We assume a first-order binary MRF as a…

Information Theory · Computer Science 2007-07-13 Ying Zhu , Taikun Cheng , Krishnamoorthy Sivakumar , Benjamin J. Belzer

We present an accurate stereo matching method using local expansion moves based on graph cuts. This new move-making scheme is used to efficiently infer per-pixel 3D plane labels on a pairwise Markov random field (MRF) that effectively…

Computer Vision and Pattern Recognition · Computer Science 2018-10-05 Tatsunori Taniai , Yasuyuki Matsushita , Yoichi Sato , Takeshi Naemura

Latent Diffusion Models (LDMs) produce high-quality, photo-realistic images, however, the latency incurred by multiple costly inference iterations can restrict their applicability. We introduce LatentCRF, a continuous Conditional Random…

Computer Vision and Pattern Recognition · Computer Science 2024-12-25 Kanchana Ranasinghe , Sadeep Jayasumana , Andreas Veit , Ayan Chakrabarti , Daniel Glasner , Michael S Ryoo , Srikumar Ramalingam , Sanjiv Kumar

This paper addresses the inference of spatial dependence in the context of a recently proposed framework. More specifically, the paper focuses on the estimation of model parameters for a class of generalized Gibbs random fields, i.e.,…

Statistics Theory · Mathematics 2007-06-13 Samuel Elogne , Dionisis Hristopulos

Ground segmentation is an important preprocessing task for autonomous vehicles (AVs) with 3D LiDARs. To solve the problem of existing ground segmentation methods being very difficult to balance accuracy and computational complexity, a fast…

Computer Vision and Pattern Recognition · Computer Science 2021-02-01 Weixin Huang , Huawei Liang , Linglong Lin , Zhiling Wang , Shaobo Wang , Biao Yu , Runxin Niu

Markov random field (MRF) learning is intractable, and its approximation algorithms are computationally expensive. We target a small subset of MRF that is used frequently in computer vision. We characterize this subset with three concepts:…

Machine Learning · Computer Science 2016-06-09 Rajasekaran Masatran

Recent works have shown the benefit of integrating Conditional Random Fields (CRFs) models into deep architectures for improving pixel-level prediction tasks. Following this line of research, in this paper we introduce a novel approach for…

Computer Vision and Pattern Recognition · Computer Science 2018-03-30 Dan Xu , Wei Wang , Hao Tang , Hong Liu , Nicu Sebe , Elisa Ricci

Dense disparities among multiple views is essential for estimating the 3D architecture of a scene based on the geometrical relationship among the scene and the views or cameras. Scenes with larger extents of heterogeneous textures,…

Computer Vision and Pattern Recognition · Computer Science 2023-11-02 Hanieh Shabanian , Madhusudhanan Balasubramanian

Markov random fields (MRFs) are invaluable tools across diverse fields, and spatiotemporal MRFs (STMRFs) amplify their effectiveness by integrating spatial and temporal dimensions. However, modeling spatiotemporal data introduces additional…

Methodology · Statistics 2024-04-30 Ning Ning

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

I consider the use of Markov random fields (MRFs) on a fine grid to represent latent spatial processes when modeling point-level and areal data, including situations with spatial misalignment. Point observations are related to the grid cell…

Methodology · Statistics 2013-04-09 Christopher J. Paciorek

In this project, we study the hidden Markov random field (HMRF) model and its expectation-maximization (EM) algorithm. We implement a MATLAB toolbox named HMRF-EM-image for 2D image segmentation using the HMRF-EM framework. This toolbox…

Computer Vision and Pattern Recognition · Computer Science 2012-12-20 Quan Wang

Pair-wise Markov random fields (MRF) are considered for application to the development of low complexity, iterative MIMO detection. Specifically, we consider two types of MRF, namely, the fully-connected and ring-type. For the edge…

Information Theory · Computer Science 2010-11-23 Seokhyun Yoon , Jun Heo

Plane feature is a kind of stable landmark to reduce drift error in SLAM system. It is easy and fast to extract planes from dense point cloud, which is commonly acquired from RGB-D camera or lidar. But for stereo camera, it is hard to…

Computer Vision and Pattern Recognition · Computer Science 2021-07-30 Xiaoyu Zhang , Wei Wang , Xianyu Qi , Ziwei Liao

Statistical Relational Learning (SRL) models have attracted significant attention due to their ability to model complex data while handling uncertainty. However, most of these models have been limited to discrete domains due to their…

Machine Learning · Computer Science 2021-10-20 Yuqiao Chen , Sriraam Natarajan , Nicholas Ruozzi
‹ Prev 1 2 3 10 Next ›