Photo 4 (IMAGE) National University of Singapore Caption Sparsity-aware processing produces clearer biomimetic-sonar data visualisations (images e and f) than those produced via conventional image processing methods (images c and d). The original objects can be seen in a and b. Credit National University of Singapore Usage Restrictions NA License Original 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.