@article{KoitkaFriedrich2016,
  author    = {Koitka, Sven and Friedrich, Christoph M.},
  title     = {nmfgpu4R: GPU-accelerated computation of the Non-Negative Matrix Factorization (NMF) using CUDA capable hardware},
  series = {The R Journal},
  volume    = {8 (2016)},
  number    = {2},
  pages     = {11},
  year      = {2016},
  language  = {en}
}
@incollection{KoitkaFriedrich2016,
  author    = {Koitka, Sven and Friedrich, Christoph M.},
  title     = {Traditional feature engineering and deep learning approaches at medical classification task of ImageCLEF 2016},
  series = {Working notes of CLEF 2016 : conference and labs of the evaluation forum, {\´E}vora, Portugal, 5-8 September 2016},
  pages     = {14},
  year      = {2016},
  language  = {en}
}
@article{KoitkaKimQuetal.2020,
  author    = {Koitka, Sven and Kim, Moon S. and Qu, Ming and Fischer, Asja and Friedrich, Christoph M. and Nensa, Felix},
  title     = {Mimicking the radiologists' workflow: estimating pediatric hand bone age with stacked deep neural networks},
  series = {Medical Image Analysis},
  volume    = {64 (2020)},
  issn      = {1361-8415},
  year      = {2020},
  language  = {en}
}
@incollection{FritzlerKoitkaFriedrich2017,
  author    = {Fritzler, Andreas and Koitka, Sven and Friedrich, Christoph M.},
  title     = {Recognizing bird species in audio files using transfer learning},
  series = {CLEF 2017 working notes : working notes of CLEF 2017 - Conference and Labs of the Evaluation Forum : Dublin, Ireland, September 11-14, 2017},
  publisher = {RWTH Aachen},
  address   = {Aachen},
  year      = {2017},
  language  = {en}
}
@incollection{KoitkaFriedrich2017,
  author    = {Koitka, Sven and Friedrich, Christoph M.},
  title     = {Optimized convolutional neural network ensembles for medical subfigure classification},
  series = {Experimental IR meets multilinguality, multimodality, and interaction : 8th International Conference of the CLEF Association, CLEF 2018, Avignon, France, September 11-14, 2017, proceedings},
  publisher = {Springer International Publishing},
  address   = {Cham},
  pages     = {57 -- 68},
  year      = {2017},
  language  = {en}
}
@incollection{LudwigPiorekKelchetal.2017,
  author    = {Ludwig, Andreas and Piorek, Helga and Kelch, Andreas and Rex, David and Koitka, Sven and Friedrich, Christoph M.},
  title     = {Improving model performance for plant image classification with filtered noisy images},
  series = {CLEF 2017 working notes : working notes of CLEF 2017 - Conference and Labs of the Evaluation Forum : Dublin, Ireland, September 11-14, 2017},
  publisher = {RWTH Aachen},
  address   = {Aachen},
  year      = {2017},
  language  = {en}
}
@incollection{PelkaKoitkaR{\"u}ckertetal.2018,
  author    = {Pelka, Obioma and Koitka, Sven and R{\"u}ckert, Johannes and Nensa, Felix and Friedrich, Christoph M.},
  title     = {Radiology Objects in Context (ROCO)},
  series = {Intravascular imaging and computer assisted stenting and large-scale annotation of biomedical data and expert label synthesis : 7th Joint International Workshop, CVII-STENT 2018 and Third International Workshop, LABELS 2018, Held in Conjunction with MICCAI 2018, Granada, Spain, September 16, 2018, proceedings},
  publisher = {Springer International Publishing},
  address   = {Cham},
  pages     = {180 -- 189},
  year      = {2018},
  language  = {en}
}
@incollection{TrotzekKoitkaFriedrich2017,
  author    = {Trotzek, Marcel and Koitka, Sven and Friedrich, Christoph M.},
  title     = {Linguistic metadata augmented classifiers at the CLEF 2017 task for early detection of depression},
  series = {CLEF 2017 working notes : working notes of CLEF 2017 - Conference and Labs of the Evaluation Forum : Dublin, Ireland, September 11-14, 2017},
  publisher = {RWTH Aachen},
  address   = {Aachen},
  year      = {2017},
  language  = {en}
}
@incollection{TrotzekKoitkaFriedrich2018,
  author    = {Trotzek, Marcel and Koitka, Sven and Friedrich, Christoph M.},
  title     = {Early detection of depression based on linguistic metadata augmented classifiers revisited},
  series = {Experimental IR meets multilinguality, multimodality, and interaction : 9th International Conference of the CLEF Association, CLEF 2018, Avignon, France, September 10-14, 2018, proceedings},
  publisher = {Springer International Publishing},
  address   = {Cham},
  pages     = {191 -- 202},
  year      = {2018},
  language  = {en}
}
@incollection{TrotzekKoitkaFriedrich2018,
  author    = {Trotzek, Marcel and Koitka, Sven and Friedrich, Christoph M.},
  title     = {Word embeddings and linguistic metadata at the CLEF 2018 Tasks for early detection of depression and anorexia},
  series = {Experimental IR meets multilinguality, multimodality, and interaction : 9th International Conference of the CLEF Association, CLEF 2018, Avignon, France, September 10-14, 2018, proceedings},
  publisher = {Springer International Publishing},
  address   = {Cham},
  year      = {2018},
  language  = {en}
}
@phdthesis{Koitka2023,
  author    = {Koitka, Sven Steffen},
  title     = {Vollautomatische Knochenalterbestimmung auf p{\"a}diatrischen R{\"o}ntgenbildern nach Vorbild der radiologischen Vorgehensweise},
  pages     = {59},
  year      = {2023},
  language  = {de}
}