Pseudotargets (IMAGE) University of Texas at Austin Caption The figure on the left shows a CT image of a rock sample slice. The image on the right shows the same image with local extremum (red) and local minimum (green) points. These points serve as "pseudotargets" and enable the researchers to determine key properties about the entire rock sample in a digital setting. Credit Ikeda et al. Usage Restrictions Include photo credit 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.