(IMAGE) Kumamoto University Caption (a) Green: conventional Fourier transformation spectrum. Red: quasi-radial structure function extracted using sparse modeling. (b) Correct radial structure function of copper. Akai, I., Iwamitsu, K., Igarashi, Y., Okada, M., Setoyama, H., Okajima, T., & Hirai, Y. (2018). Sparse Modeling of an Extended X-Ray Absorption Fine-Structure Spectrum Based on a Single-Scattering Formalism. Journal of the Physical Society of Japan, 87(7), 074003. doi:10.7566/jpsj.87.074003 Credit Dr. Ichiro Akai Usage Restrictions This image is available under the terms of the <a href= 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.