IEEE Geoscience and Remote Sensing Magazine - March 2020 - 8

MINGSHENG LIAO, TIMO BALZ,
FABIO ROCCA, AND DEREN LI

Lessons from 16 Years of Sino-European
cooperation in the Dragon program

S

ynthetic aperture radar (SAR) has the unique ability to
precisely measure slow surface motions, and this capability is widely used in many applications. Most of these
methods were developed in the last two decades, while the
increase of available SAR data in recent years has allowed
the use of these approaches in various scientific and commercial projects. Based on our long experience and 16 years
of cooperation in the Dragon project, supported by biblio-

Digital Object Identifier 10.1109/MGRS.2019.2956176
Date of current version: 4 February 2020

8

0274-6638/20©2020IEEE

metric analysis, we argue that the recent advances in surface
motion from SAR can be divided into three periods: data
sparsity, availability, and ubiquity. The methodological development, however, antedates this progression. Therefore,
we provide an overview of the methodological development of surface-motion estimation from SAR and discuss
commercial advances in the field.
Dragon is a joint research program of the European
Space Agency (ESA) and the National Remote Sensing Center of China. It began in 2004 and, since then,
has moved through four cooperation phases (Dragon-1
IEEE GEOSCIENCE AND REMOTE SENSING MAGAZINE

MARCH 2020

DRAGON-©ISTOCKPHOTO.COM/45RPM, EARTH- IMAGE LICENSED BY INGRAM PUBLISHING

Paradigm Changes
in Surface-Motion
Estimation From SAR



IEEE Geoscience and Remote Sensing Magazine - March 2020

Table of Contents for the Digital Edition of IEEE Geoscience and Remote Sensing Magazine - March 2020

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