Browsing by Author "Erkoç, Tuğba"

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Anatomy based animation of facial expressions

Erkoç, Tuğba (Işık Üniversitesi, 2012-12-24)

This study presents a new physics based facial expression animation system based on anatomic data. Proposed system consists a face model and a new facial expression animation generation algorithm. The proposed system is a ...
An observation based muscle model for simulation of facial expressions

Erkoç, Tuğba; Ağdoğan, Didem; Eskil, Mustafa Taner (Elsevier Science BV, 2018-05)

This study presents a novel facial muscle model for coding of facial expressions. We derive this model from unintrusive observation of human subjects in the progress of the surprise expression. We use a generic and ...
Subset selection for tuning of hyper-parameters in artificial neural networks

Aki, K.K.Emre; Erkoç, Tuğba; Eskil, Mustafa Taner (IEEE, 2017)

Hyper-parameters of a machine learning architecture define its design. Tuning of hyper-parameters is costly and for large data sets outright impractical, whether it is performed manually or algorithmically. In this study ...