F. Hezel, G. Krombach, S. Kozerke, and T. Niendorf Berlin Ultrahigh Field Facility, Max-Delbrueck Center for Molecular Medicine, Berlin, Germany, Department of Diagnostic Radiology, University Hospital, RWTH Aachen, Aachen, Germany, Institute for Biomedical Engineering, University and ETH Zurich, Zurich, Switzerland, Experimental and Clinical Research Center (ECRC), Charité Campus Buch, Humbold...

1 Mechanical Engineering Department, Middle East Technical University, 06800 Ankara-TURKEY [email protected] 2 Radiology Image Analysis Lab., Department of Diagnostic Radiology, Henry Ford Health System, Detroit, Michigan, USA [email protected] 3,∗ Control and Intelligent Processing Center of Excellence, Electrical and Computer Engineering Department, University of Tehran...

N. A. Kraemer, S. Krueger, S. Schmitz, M. Linssen, H. Schade, S. Weiss, R. W. Guenther, A. Buecker, and G. A. Krombach Diagnostic Radiology, RWTH Aachen, Aachen, Germany, Imaging Systems and Intervention, Philipps Research Europe, Hamburg, Germany, Fraunhofer Institute for Production Technology, Aachen, Germany, Hemoteq GmbH, Wuerselen, Germany, Andramed GmbH, Reutlingen, Germany, Diagnostic an...

Extreme ultraviolet observations of the quiet Sun are made with the Coronal Diagnostic Spectrometer (cds) on board the Solar and Heliospheric Observatory (soho). It has been previously noted that frequent transition region brightenings occur in both the bright network and dark cell regions. Analysing 1125 events, we determined the characteristics of the brightenings in the cell and network regi...