Ultraschall zur Früherkennung von Parkinson. - Christian Kier; Günter Seidel; Norbert Brüggemann; Johann Hagenah; Christine Klein; Til Aach; Alfred Mertins (GI Jahrestagung, 2009)

Life-long increase of substantia nigra hyperechogenicity in transcranial sonography. - Johann Hagenah; Inke R. König; Jürgen Sperner; Lucas Wessel; Günter Seidel; Kelly Condefer; Rachel Saunders-Pullman; Christine Klein; Norbert Brüggemann (NeuroImage, 2010)

Texture Analysis Using Gabor Filter Based on Transcranial Sonography Image. - Lei Chen 012; Johann Hagenah; Alfred Mertins (Bildverarbeitung für die Medizin, 2011)

Feature Analysis for Parkinson's Disease Detection Based on Transcranial Sonography Image. - Lei Chen 012; Johann Hagenah; Alfred Mertins (MICCAI (3), 2012)

Robust Feature for Transcranial Sonography Image Classification Using Rotation-Invariant Gabor Filter. - Arkan Al-Zubaidi; Lei Chen 012; Johann Hagenah; Alfred Mertins (Bildverarbeitung für die Medizin, 2013)