Prof. Dr. Christian Bauckhage

Welcome to this webpage. I am a professor of computer science at the University of Bonn where I teach in the media informatics program of the B-IT institute. At Fraunhofer IAIS, I am a lead scientist for web science and multimedia pattern recognition. Below, you'll find more information about my interests and background.

Latest blog entries

11/10/2015

numpy / scipy recipes for data science

The nearest neighbor problem frequently arises in may areas of data science. In this short note, we show how to efficiently tackle it in numpy.

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11/04/2015

new didactic videos on algorithms in data science

There are several new videos illustrating how k-means clustering and its variants behave in practice.

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11/04/2015

numpy / scipy recipes for data science

Data scientists frequently need to compute the eigenvalues and eigenvectors of data covariance matrices. We therefore discuss appropriate ways of how this can be done using numpy/scipy.

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10/30/2015

numpy / scipy recipes for image processing

In addition to the series on numpy/ scipy recipes for data science, I have also started a series on the use of numpy / scipy in image processing ...

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04/05/2015

numpy / scipy recipes for data science

more python code for data scientists: basic and advanced least squares techniques

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02/21/2015

numpy / scipy recipes for data science

A new note on the use of numpy / scipy for data science is now available.

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12/10/2014

Game AI article published in Informatik Spektrum

The area of entertainment computing attracts increasing attention in industry and academia. Contributing to a recent special issue, we just published an article in which we reviewed historical developments in game AI. 

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11/03/2014

Data Science Day in Berlin

Attending the 7th Data Science Day (#DSDay7) in Berlin was truly exciting ...

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10/27/2014

Lectures on Image Processing Available on YouTube

in this semester, too, my lectures at the B-IT / University of Bonn are being made available on YouTube ...

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10/11/2014

numpy / scipy recipes for data science

I have started a series of lecture notes on efficent numpy / scipy solutions for everyday problems in data science.

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Expertise

  • efficient, real-time image and video analysis 
  • user modeling and behavior recognition
  • online communities and social media
  • web science and web mining
  • game AI and game mining

Selected Publications on Web Science / Web Mining

C. Bauckhage, F. Hadiji, and K. Kersting. How Viral Are Viral Videos?. Proc. AAAI Int. Conf. on Weblogs and Social Media, 2015

C. Bauckhage, K. Kersting, and B. Rastegarpanah. Collective Attention to Social Media Evolves According to Diffusion Models. Proc. ACM Int. World Wide Web Conf., 2014

C. Bauckhage and K. Manshaei. Kernel Archetypal Analysis for Clustering Web Search Frequency Time Series. Proc. IAPR Int. Conf. on Pattern Recognition, IEEE, 2014

C. Bauckhage, K. Kersting, and F. Hadiji. Mathematical Models of Fads Explain the Temporal Dynamics of Internet Memes. Proc. AAAI Int. Conf. on Weblogs and Social Media, 2013

C. Bauckhage and K. Kersting. Can Computers Learn from the Aesthetic Wisdom of the Crowd? KI - Künstliche Intelligenz, 27(1), 2013

C. Bauckhage. Insights into Internet Memes. Proc. AAAI Int. Conf. on Weblogs and Social Media, 2011

R. Wetzker, C. Zimmermann, C. Bauckhage, and S. Albayrak. I Tag, You Tag: Translating Tags for Advanced User Models. Proc. ACM Int. Conf. on Web Search and Data Mining, 2010

J. Kunegis, A. Lommatzsch, and C. Bauckhage. The Slashdot Zoo: Mining a Social Network with Negative Edges. Proc. ACM Int. World Wide Web Conf., 2009

Selected Publications on BIG DATA and Applied Data Mining

C. Bauckhage and K. Kersting. Data Mining and Pattern Recognition in Agriculture. KI - Künstliche Intelligenz, 27(4), 2013

C. Bauckhage, K. Kersting, and A. Schmit. Agriculture's Technological Makeover. IEEE Pervasive Computing, 11(2), 2012

C. Thurau, K. Kersting, M. Wahabzada, and C. Bauckhage. Descriptive Matrix Factorization for Sustainability: Adopting the Principle of Opposites. Data Mining and Knowledge Discovery, 24(2), 2012

C. Thurau, K. Kersting, M. Wahabzada, and C. Bauckhage. Convex Non-negative Matrix Factorization for Massive Datasets. Knowledge and Information Systems, 29(2), 2011

C. Thurau, K. Kersting, and C. Bauckhage. Yes We Can: Simplex Volume Maximization for Descriptive Web-scale Matrix Factorization. Proc. ACM Conf. on Information and Knowledge Management, 2010

C. Bauckhage and C. Thurau. Making Archetypal Analysis Practical, Proc. DAGM Symposium, 2009

Selected Publications on Real-Time Computer Vision

S. Zhang, D.A. Klein, C. Bauckhage, and A.B. Cremers. Fast Moving Pedestrian Detection Based on Motion Segmentation and New Motion Features. Multimedia Tools and Applications, 2015

S. Zhang, C. Bauckhage, and A.B. Cremers. Efficient Pedestrian Detection via Rectangular Features Based on a Statistical Shape Model. IEEE Trans. Intelligent Transportation Systems, 16(2), 2015

G. Evangelidis and C. Bauckhage. Efficient Subframe Video Alignment using Short Descriptors. IEEE Trans. Pattern Analysis and Machine Intelligence, 35(10), 2013

B. Krausz and C. Bauckhage. Loveparade 2010: Automatic video analysis of a crowd disaster. Computer Vision and Image Understanding, 116(3), 2012

C. Bauckhage, J.K. Tsotsos, and F.E. Bunn. Automatic Detection of Abnormal Gait. Image and Vision Computing, 27(1-2), 2009

Extended List of Publications

Most of my publications are listed at DBLP, the ACM Digital Library, or Google Scholar.

Short Bio

Oct 2008 - today:

professor of media informatics at B-IT / University of Bonn
head of the visual & social media group at Fraunhofer IAIS

Dec 2005 - Oct 2008:

senior research scientist at Deutsche Telekom Laboratories head of CC-IRML at Dai-Labor/TU-Berlin in Berlin

May 2004 - Dec 2005:

postdoc with John Tsotsos in Toronto

Jun 2002 - May 2004:

postdoc with Gerhard Sagerer in Bielefeld

Jan 1998 - Jun 2002:

Ph.D. student (computer science) at Bielefeld University

Oct 1995 - Apr 1996:

student fellow in the group of Cordelia Schmid at INRIA Grenoble

Oct 1992 - Dec 1997:

(under)grad student (computer science) at Bielefeld University