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Related Concept Videos

Attenuated Total Reflectance (ATR) Infrared Spectroscopy: Overview01:13

Attenuated Total Reflectance (ATR) Infrared Spectroscopy: Overview

Attenuated total reflectance (ATR) infrared spectroscopy is a powerful analytical technique used to study the composition of materials. It is widely employed in chemistry, materials science, forensic science, and other fields where sample characterization is required. ATR has several advantages over traditional transmission IR spectroscopy, including the requirement of little to no sample preparation and the ability to analyze a wide range of samples.
The ATR process begins by directing a beam...
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Related Experiment Video

Updated: Jun 6, 2026

Integrating Remote Sensing with Species Distribution Models; Mapping Tamarisk Invasions Using the Software for Assisted Habitat Modeling (SAHM)
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[Cross-comparison between ASTER and Landsat-7 ETM+ multispectral imagery].

Chun-hua Li1, Han-qiu Xu, Li-cong Chen

  • 1College of Environment and Resources, Fuzhou University, Fuzhou 350108, China. lchfzfj@yahoo.com.cn

Guang Pu Xue Yu Guang Pu Fen Xi = Guang Pu
|November 26, 2010
PubMed
Summary

This study cross-compares Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) and Landsat-7 Enhanced Thematic Mapper Plus (ETM+) imagery. It establishes accurate relation equations for corresponding sensor bands, crucial for remote sensing data fusion.

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Area of Science:

  • Earth Observation
  • Remote Sensing
  • Sensor Technology

Context:

  • Cross-comparison of ASTER and Landsat-7 ETM+ imagery is novel.
  • Utilizes synchronization images and common ground regions for analysis.

Purpose:

  • To conduct a complementary study between ASTER and Landsat-7 ETM+ sensors.
  • To establish relation equations between corresponding VNIR and SWIR bands.
  • To validate the accuracy of derived relation equations and matching coefficients.

Summary:

  • Compares sensor characteristics: orbit, scanning mode, and spectral properties.
  • Derives relation equations for VNIR and SWIR bands using apparent reflectance.
  • Validation confirms high accuracy of the developed band relation equations.

Impact:

  • Enables improved data fusion between ASTER and Landsat-7 ETM+.
  • Provides accurate cross-calibration for multisensor remote sensing applications.
  • Enhances the utility of satellite imagery in Earth science research.