Home > Research > Publications & Outputs > Comparison of Spectral Characteristics Between ...

Links

Text available via DOI:

View graph of relations

Comparison of Spectral Characteristics Between China HJ1-CCD and Landsat 5 TM Imagery

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Published
  • Guoqing Li
  • Xiaobing Li
  • Guoming Li
  • Wanyu Wen
  • Han Wang
  • Lihong Chen
  • Jingjing Yu
  • Fei Deng
Close
<mark>Journal publication date</mark>02/2013
<mark>Journal</mark>IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Issue number1
Volume6
Number of pages10
Pages (from-to)139-148
Publication StatusPublished
<mark>Original language</mark>English

Abstract

The Landsat 5 mission is in jeopardy. Therefore, the United States Geological Survey (USGS) is exploring ways to alleviate a data gap if both Landsat 5 and 7 missions fail prior to the planned launch of Landsat 8 (known as the Landsat Data Continuity Mission) in 2013 [Randy, 2012]. Using the Chinese HJ1-CCD remote sensing data, analyses were performed on the spectral signature of these two different sensors to investigate the substitution of existing sensors for Landsat 5 TM in certain fields of research. In particular, a comparison was made between Landsat 5 TM and the HJ1-CCD in terms of orbital parameters, imaging features and spectral response characteristics, among other characteristics. Thereafter, a comparative analysis was performed on the “at-satellite” reflectance of nine pairs of remote sensing images of different land cover in China, and a mutual quantitative relationship was established. The results indicate that Landsat 5 TM and HJ1-CCD have similar orbital parameters, and the latter has a higher time resolution with advantages in its breadth and the quantity of sensors, although both have the same spatial resolution. Regarding the imaging and spectral response characteristics, although the at-satellite reflectance of HJ1-CCD is different from that of Landsat 5 TM for red, green, blue and near infra-red bands, there is still a broad correlation between HJ1-CCD and Landsat 5 TM, and the coefficient of determination approaches unity. Therefore, a mutual complementation and substitution of the at-satellite reflectance between HJ1-CCD and Landsat 5 TM images is feasible.