Results 11 to 20 of about 253,119 (310)

Adaptive Multisensor Acquisition via Spatial Contextual Information for Compressive Spectral Image Classification [PDF]

open access: goldIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2021
Spectral image classification uses the huge amount of information provided by spectral images to identify objects in the scene of interest. In this sense, spectral images typically contain redundant information that is removed in later processing stages.
Nelson Diaz   +3 more
doaj   +4 more sources

Hyperspectral image classification via contextual deep learning [PDF]

open access: goldEURASIP Journal on Image and Video Processing, 2015
AbstractBecause the reliability of feature for every pixel determines the accuracy of classification, it is important to design a specialized feature mining algorithm for hyperspectral image classification. We propose a feature learning algorithm, contextual deep learning, which is extremely effective for hyperspectral image classification.
Ma, Xiaorui, Geng, Jie, Wang, Hongyu
openaire   +2 more sources

Image Classification with Rejection using Contextual Information [PDF]

open access: green, 2015
We introduce a new supervised algorithm for image classification with rejection using multiscale contextual information. Rejection is desired in image-classification applications that require a robust classifier but not the classification of the entire image.
Condessa, Filipe   +4 more
openaire   +3 more sources

CONTEXTUAL IMAGE CLASSIFICATION APPROACH FOR MONITORING OF AGRICULTURAL LAND COVER BY SUPPORT VECTOR MACHINES AND MARKOV RANDOM FIELDS [PDF]

open access: diamondThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2013
The main idea of this paper is to integrate the non-contextual support vector machines (SVM) classifiers with Markov random fields (MRF) approach to develop a contextual framework for monitoring of agricultural land cover.
H. Vahidi, E. Monabbati
doaj   +3 more sources

Shallow Parallel CNNs for contextual remote sensing image classification [PDF]

open access: green, 2022
Abstract In this paper we present a new neural network structure that can better learn to classify remote sensing images of moderate and high spatial resolution where the main source of information about desired objects are the pixels themselves and the tight neighborhood.
Bassam Abdellatif   +2 more
openaire   +2 more sources

Polarimetric Contextual Classification of PolSAR Images Using Sparse Representation and Superpixels [PDF]

open access: goldRemote Sensing, 2014
In recent years, sparse representation-based techniques have shown great potential for pattern recognition problems. In this paper, the problem of polarimetric synthetic aperture radar (PolSAR) image classification is investigated using sparse ...
Jilan Feng, Zongjie Cao, Yiming Pi
doaj   +2 more sources

From ImageNet to Image Classification: Contextualizing Progress on Benchmarks [PDF]

open access: green, 2020
Building rich machine learning datasets in a scalable manner often necessitates a crowd-sourced data collection pipeline. In this work, we use human studies to investigate the consequences of employing such a pipeline, focusing on the popular ImageNet dataset.
Tsipras, Dimitris   +4 more
  +6 more sources

A Bilevel Contextual MRF Model for Supervised Classification of High Spatial Resolution Remote Sensing Images [PDF]

open access: hybridIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2019
Markov random field (MRF) based methods have been widely used in high spatial resolution (HSR) image classification. However, many existing MRF-based methods put more emphasis on pixel level contexts while less on superpixel level contextual information.
Yu Shen   +3 more
doaj   +2 more sources

Contextual Squeeze-and-Excitation for Efficient Few-Shot Image Classification [PDF]

open access: green, 2022
Recent years have seen a growth in user-centric applications that require effective knowledge transfer across tasks in the low-data regime. An example is personalization, where a pretrained system is adapted by learning on small amounts of labeled data belonging to a specific user. This setting requires high accuracy under low computational complexity,
Patacchiola, Massimiliano   +5 more
openaire   +3 more sources

Contextual Prediction Difference Analysis for Explaining Individual Image Classifications [PDF]

open access: green, 2019
Much effort has been devoted to understanding the decisions of deep neural networks in recent years. A number of model-aware saliency methods were proposed to explain individual classification decisions by creating saliency maps. However, they are not applicable when the parameters and the gradients of the underlying models are unavailable.
Gu, Jindong, Tresp, Volker
openaire   +3 more sources

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