High-Resolution Imaging Techniques (IMAGE) DOE/Brookhaven National Laboratory Caption The high-resolution imaging techniques used in this study accurately distinguished live, healthy trees from dead ones, and a healthy canopy from ground-level resprouting and other understory greenery. Credit Brookhaven National Laboratory Usage Restrictions For use in articles on this topic License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.