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The estimation of high resolution urban surface temperature using hyperspectral spectral mixture analysis

  • Kai Liu
  • , Hongbo Su
  • , Weimin Wang
  • , Xueke Li

Research output: Chapters, Conference Papers, Creative and Literary WorksRGC 32 - Refereed conference paper (with host publication)peer-review

Abstract

In this paper, a simple method that uses hyperspectral spectral mixture analysis to estimate fine resolution urban LST is discussed. In the first step, multiple endmember spectral mixture analysis is applied to calculate land composition fractions. High resolution urban LST is then estimated through a linear combination of each thermal response component multiplied by their respective abundance in the second step. Evaluation of the proposed method was performed at four spatial scales (4m, 8m, 16m and 32m) over two scenes with different land cover characteristics. Results show a relative modest agreement was found between the estimated LST and the reference LST for both visual interpretation and quantitative accuracy metrics. Overall, this approach enhances the exploitation of hyperspectral data for estimating fine spatial resolution LST, therefore can serve as a promising technical in urban and environmental applications. © 2015 IEEE.
Original languageEnglish
Title of host publication2015 7th Workshop on Hyperspectral Image and Signal Processing: Evolution in Remote Sensing, WHISPERS 2015
PublisherIEEE Computer Society
Volume2015-June
ISBN (Print)9781467390156
DOIs
Publication statusPublished - 2 Jul 2015
Externally publishedYes
Event7th Workshop on Hyperspectral Image and Signal Processing: Evolution in Remote Sensing, WHISPERS 2015 - Tokyo, Japan
Duration: 2 Jun 20155 Jun 2015

Publication series

NameWorkshop on Hyperspectral Image and Signal Processing, Evolution in Remote Sensing
Volume2015-June
ISSN (Print)2158-6276

Conference

Conference7th Workshop on Hyperspectral Image and Signal Processing: Evolution in Remote Sensing, WHISPERS 2015
PlaceJapan
CityTokyo
Period2/06/155/06/15

Bibliographical note

Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 11 - Sustainable Cities and Communities
    SDG 11 Sustainable Cities and Communities

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