A Novel Technique for Forest Height Estimation from SAR Radar Images Using the Omega K Algorithm

Jhohan Jancco-Chara, Facundo Palomino-Quispe, Roger Coaquira-Castillo, Mark Clemente-Arenas

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The height of forest canopy is a valuable information to estimate or predict of aboveground live biomass in places such as natural reserves or parks. Many of these sites use satellite data based on Lidar or radars to run carbon stock models. The parks in low income countries can not afford to use these expensive solutions. Airborne and small radars tailor made for a given specific area can be deployed as alternative solution. In this paper, we present an algorithm that contains a complete technique for the signal processing needed to estimate canopy height. The algorithm includes a simulator of SAR raw data and SAR images based on impulse response. This algorithm enable testing of focus algorithms and generate three-dimensional images. We use a rigorous and extensive method to implement the SAR image processing part of the algorithm based on the Omega-k algorithm. To confirm the validity of the algorithm we use Quad polarized images of trees from a Polarimetric SAR simulator. Finally, we use SAR raw data acquired by the ERS-2 satellite to test and validate the overall process. The technique is shown to be effective and simple, since even signals with only one and two polarization are sufficient. Height results were compared with Range Doppler based techniques available in the literature.

Original languageEnglish
Title of host publicationSmart Technologies, Systems and Applications - 2nd International Conference, SmartTech-IC 2021, Revised Selected Papers
EditorsFabián R. Narváez, Julio Proaño, Paulina Morillo, Diego Vallejo, Daniel González Montoya, Gloria M. Díaz
PublisherSpringer Science and Business Media Deutschland GmbH
Pages190-203
Number of pages14
ISBN (Print)9783030991692
DOIs
StatePublished - 2022
Externally publishedYes
Event2nd International Conference on Smart Technologies, Systems and Applications, SmartTech-IC 2021 - Quito, Ecuador
Duration: 1 Dec 20213 Dec 2021

Publication series

NameCommunications in Computer and Information Science
Volume1532 CCIS
ISSN (Print)1865-0929
ISSN (Electronic)1865-0937

Conference

Conference2nd International Conference on Smart Technologies, Systems and Applications, SmartTech-IC 2021
Country/TerritoryEcuador
CityQuito
Period1/12/213/12/21

Bibliographical note

Publisher Copyright:
© 2022, Springer Nature Switzerland AG.

Keywords

  • Forest height estimation
  • Impulse response
  • Omega-K
  • Synthetic aperture radar

Fingerprint

Dive into the research topics of 'A Novel Technique for Forest Height Estimation from SAR Radar Images Using the Omega K Algorithm'. Together they form a unique fingerprint.

Cite this