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Hierarchical Order Statistics Filtering for Fast Bi-Dimensional Empirical Mode Decomposition
Serkan Semiz,Anil Celebi,Oguzhan Urhan 한국전자통신연구원 2016 ETRI Journal Vol.38 No.4
A hierarchical approach for fast bi-dimensional empirical mode decomposition (B-EMD) is proposed. The presented approach utilizes an efficient window size determination scheme that enables the multi-level computation of the order statistics filter (OSF). Our detailed experiments show that the proposed OSF computation approach allows a significantly faster computation of an EMD without degrading the decomposition accuracy.
Schizophrenia-Like Psychosis and Dandy-Walker Variant Comorbidity: Case Report
Selma Bozkurt Zincir,Yig˘ it Kıvılcım, Filiz I˙zci,Umit Basar Semiz 대한신경정신의학회 2014 PSYCHIATRY INVESTIGATION Vol.11 No.1
Dandy-Walker variant is a developmental malformation consisting of cerebellar hypoplasia and cystic dilatation of the fourth ventricle. Previous research has proposed a possible role for the cerebellum in cognition and in schizophrenia. In this paper we report a schizophrenia-like psychotic disorder in a 30 year-old woman with Dandy-Walker variant. The patient was treated with risperidone 6 mg/day, biperiden4 mg/day and risperidone depot 50 mg injections fortnightly, and most of the symptoms were ameliorated within 2 months. Thesimilar cognitive profile to populations with cerebellar pathology and rarity of the condition strongly suggests that there may be directrelationship between cerebellar pathology and appearence of psychotic symptoms.