Log Polarized Brightness (Unsharp Masked) (IMAGE) University of Texas at Austin Caption The image shows the predicted brightness of polarized white light in the corona on a log scale, sharpened using an "Unsharp Mask" filter. Credit TACC/Predictive Science, Inc Usage Restrictions None 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.