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Conditional Random Fields (CRFs) are undirected graphical models, a special case of which correspond to conditionally-trained finite state machines. A key advantage of these models is their great flexibility to include a wide array of…

机器学习 · 计算机科学 2012-12-12 Andrew McCallum

Large datasets of sub-meter aerial imagery represented as orthophoto mosaics are widely available today, and these data sets may hold a great deal of untapped information. This imagery has a potential to locate several types of features;…

图像与视频处理 · 电气工程与系统科学 2019-05-03 Nagesh Kumar Uba

Remote sensing scene classification deals with the problem of classifying land use/cover of a region from images. To predict the development and socioeconomic structures of cities, the status of land use in regions is tracked by the…

计算机视觉与模式识别 · 计算机科学 2022-01-26 Ozlem Sen , Hacer Yalim Keles

Nowadays, tens of satellites carry hyperspectral spectrometers. Such instruments allow decomposing the light that exits the atmosphere from its top into hundreds to thousands of contiguous spectral channels. By analysis of the light…

仪器与探测器 · 物理学 2025-04-29 Pierre Dussarrat , Guillaume Deschamps

Federated Learning (FL) is a promising paradigm for realizing edge intelligence, allowing collaborative learning among distributed edge devices by sharing models instead of raw data. However, the shared models are often assumed to be ideal,…

机器学习 · 计算机科学 2025-06-02 Dongzi Jin , Yong Xiao , Yingyu Li

In recent years, large amount of high spatial-resolution remote sensing (HRRS) images are available for land-cover mapping. However, due to the complex information brought by the increased spatial resolution and the data disturbances caused…

计算机视觉与模式识别 · 计算机科学 2022-04-25 Xin-Yi Tong , Gui-Song Xia , Qikai Lu , Huanfeng Shen , Shengyang Li , Shucheng You , Liangpei Zhang

This study formulates the IR target detection as a binary classification problem of each pixel. Each pixel is associated with a label which indicates whether it is a target or background pixel. The optimal label set for all the pixels of an…

计算机视觉与模式识别 · 计算机科学 2014-09-10 Toufiq Parag

In spatial statistics, a common method for prediction over a Gaussian random field (GRF) is maximum likelihood estimation combined with kriging. For massive data sets, kriging is computationally intensive, both in terms of CPU time and…

统计方法学 · 统计学 2018-09-28 Karl T. Pazdernik , Ranjan Maitra , Douglas Nychka , Stephen Sain

A trainable filter-based higher-order Markov Random Fields (MRFs) model - the so called Fields of Experts (FoE), has proved a highly effective image prior model for many classic image restoration problems. Generally, two options are…

计算机视觉与模式识别 · 计算机科学 2015-10-27 Yunjin Chen

In this work we introduce a fully-connected graph structure in the Deep Gaussian Conditional Random Field (G-CRF) model. For this we express the pairwise interactions between pixels as the inner-products of low-dimensional embeddings,…

计算机视觉与模式识别 · 计算机科学 2016-11-29 Siddhartha Chandra , Iasonas Kokkinos

Land use classification is essential for urban planning. Urban land use types can be differentiated either by their physical characteristics (such as reflectivity and texture) or social functions. Remote sensing techniques have been…

计算机与社会 · 计算机科学 2013-10-24 Tao Pei , Stanislav Sobolevsky , Carlo Ratti , Shih-Lung Shaw , Chenghu Zhou

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…

计算机视觉与模式识别 · 计算机科学 2015-03-24 Junyan Wang , Sai-Kit Yeung

The energy scaling laws of multihop data fusion networks for distributed inference are considered. The fusion network consists of randomly located sensors distributed i.i.d. according to a general spatial distribution in an expanding…

信息论 · 计算机科学 2016-11-17 Animashree Anandkumar , Joseph E. Yukich , Lang Tong , Ananthram Swami

Aggregate object detection metrics inherently mask catastrophic and repeatable failures in operationally critical, long-tail minority classes. This paper formally defines this pervasive vulnerability as the Hard-Category Reliability Problem…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Guowei Luo , Ziqi Shi , Zhao Xie

Neural Radiance Fields (NeRFs) provide a high fidelity, continuous scene representation that can realistically represent complex behaviour of light. Despite works like Ref-NeRF improving geometry through physics-inspired models, the ability…

计算机视觉与模式识别 · 计算机科学 2025-07-22 Jack Naylor , Viorela Ila , Donald G. Dansereau

We present Context Forest (ConF), a technique for predicting properties of the objects in an image based on its global appearance. Compared to standard nearest-neighbour techniques, ConF is more accurate, fast and memory efficient. We train…

计算机视觉与模式识别 · 计算机科学 2015-03-04 Davide Modolo , Alexander Vezhnevets , Vittorio Ferrari

In a scenario where multi-modal cameras are operating together, the problem of working with non-aligned images cannot be avoided. Yet, existing image fusion algorithms rely heavily on strictly registered input image pairs to produce more…

计算机视觉与模式识别 · 计算机科学 2024-01-02 Zeyang Zhang , Hui Li , Tianyang Xu , Xiaojun Wu , Josef Kittler

In various geosciences branches, including mineral exploration, geometallurgical characterization on established mining operations, and remote sensing, the regionalized input variables are spatially well-sampled across the domain of…

机器学习 · 统计学 2024-12-11 Álvaro I. Riquelme

In the wireless sensor networks composed of battery-powered sensor nodes, one of the main issues is how to save power consumption at each node. The usual approach to this problem is to activate only necessary nodes (e.g., those nodes which…

网络与互联网体系结构 · 计算机科学 2013-12-11 Susumu Matsumae , Fukuhito Ooshita

Spectral graph theory has been widely applied in unsupervised and semi-supervised learning. In this paper, we find for the first time, to our knowledge, that it also plays a concrete role in supervised classification. It turns out that two…

机器学习 · 计算机科学 2017-06-14 Zhenfang Hu , Gang Pan , Zhaohui Wu