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Unsupervised Difference Representation Learning for Detecting Multiple Types of Changes in Multitemporal Remote Sensing Images
Xidian Univ, Key Lab Intelligent Percept & Image Understanding, Joint Int Res Lab Intelligent Percept & Computat, Int Res Ctr Intelligent Percept & Computat,Minist, Xian 710071, Shaanxi, Peoples R China.;KTH Royal Inst Technol, Div Geoinformat, S-10044 Stockholm, Sweden..
Xidian Univ, Key Lab Intelligent Percept & Image Understanding, Joint Int Res Lab Intelligent Percept & Computat, Int Res Ctr Intelligent Percept & Computat,Minist, Xian 710071, Shaanxi, Peoples R China..
Xidian Univ, Key Lab Intelligent Percept & Image Understanding, Joint Int Res Lab Intelligent Percept & Computat, Int Res Ctr Intelligent Percept & Computat,Minist, Xian 710071, Shaanxi, Peoples R China..
Xidian Univ, Key Lab Intelligent Percept & Image Understanding, Joint Int Res Lab Intelligent Percept & Computat, Int Res Ctr Intelligent Percept & Computat,Minist, Xian 710071, Shaanxi, Peoples R China..
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2019 (English)In: IEEE Transactions on Geoscience and Remote Sensing, ISSN 0196-2892, E-ISSN 1558-0644, Vol. 57, no 4, p. 2277-2289Article in journal (Refereed) Published
Abstract [en]

With the rapid increase of remote sensing images in temporal, spectral, and spatial resolutions, it is urgent to develop effective techniques for joint interpretation of spatial-temporal images. Multitype change detection (CD) is a significant research topic in multitemporal remote sensing image analysis, and its core is to effectively measure the difference degree and represent the difference among the multitemporal images. In this paper, we propose a novel difference representation learning (DRL) network and present an unsupervised learning framework for multitype CD task. Deep neural networks work well in representation learning but rely too much on labeled data, while clustering is a widely used classification technique free from supervision. However, the distribution of real remote sensing data is often not very friendly for clustering. To better highlight the changes and distinguish different types of changes, we combine difference measurement, DRL, and unsupervised clustering into a unified model, which can be driven to learn Gaussian-distributed and discriminative difference representations for nonchange and different types of changes. Furthermore, the proposed model is extended into an iterative framework to imitate the bottom-up aggregative clustering procedure, in which similar change types are gradually merged into the same classes. At the same time, the training samples are updated and reused to ensure that it converges to a stable solution. The experimental studies on four pairs of multispectral data sets demonstrate the effectiveness and superiority of the proposed model on multitype CD.

Place, publisher, year, edition, pages
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC , 2019. Vol. 57, no 4, p. 2277-2289
Keywords [en]
Change detection (CD), deep neural networks (DNNs), difference representation (DR), multiclass changes, multitemporal image analysis, remote sensing
National Category
Computer and Information Sciences
Identifiers
URN: urn:nbn:se:kth:diva-249801DOI: 10.1109/TGRS.2018.2872509ISI: 000463019000034Scopus ID: 2-s2.0-85055712161OAI: oai:DiVA.org:kth-249801DiVA, id: diva2:1306519
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QC 20190424

Available from: 2019-04-24 Created: 2019-04-24 Last updated: 2019-04-24Bibliographically approved

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Ban, Yifang

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