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- Michael Balzer, Thomas Schlömer, Oliver Deussen
- ACM Trans. Graph.
- 2009

We present a new general-purpose method for optimizing existing point sets. The resulting distributions possess high-quality blue noise characteristics and adapt precisely to given density functions. Our method is similar to the commonly used Lloyd's method while avoiding its drawbacks. We achieve our results by utilizing the concept of capacity, which for… (More)

- Thomas Schlömer, Benjamin Poppinga, Niels Henze, Susanne Boll
- Tangible and Embedded Interaction
- 2008

In many applications today user interaction is moving away from mouse and pens and is becoming pervasive and much more physical and tangible. New emerging interaction technologies allow developing and experimenting with new interaction methods on the long way to providing intuitive human computer interaction. In this paper, we aim at recognizing gestures to… (More)

- Daniel Heck, Thomas Schlömer, Oliver Deussen
- ACM Trans. Graph.
- 2013

In this article we revisit the problem of blue noise sampling with a strong focus on the spectral properties of the sampling patterns. Starting from the observation that oscillations in the power spectrum of a sampling pattern can cause aliasing artifacts in the resulting images, we synthesize two new types of blue noise patterns: <i>step blue noise</i>… (More)

- Thomas Schlömer, Daniel Heck, Oliver Deussen
- High Performance Graphics
- 2011

Efficient sampling often relies on irregular point sets that uniformly cover the sample space. We present a flexible and simple optimization strategy for such point sets. It is based on the idea of increasing the mutual distances by successively moving each point to the "farthest point," i.e., the location that has the maximum distance from the rest of the… (More)

- Thomas Schlömer, Oliver Deussen
- J. Graphics, GPU, & Game Tools
- 2011

- Volker Helzle, Christoph Biehn, Thomas Schlömer, Florian Linner
- SIGGRAPH Sketches
- 2004

Rather than capturing a specific performance we use capture-data for generating a sophisticated facial animation setup which may then be used to animate entirely new synthetic performances. As a basis for the facial setup an actor is motion captured performing a full set of facial movements conforming to Paul Ekman’s Facial Action Coding System (FACS). The… (More)

We investigate common pitfalls in the spectral analysis of point sets based on amplitude/power spectrum and radial statistics. We demonstrate the sensitivity of these measurements to the type of Fourier transform and formulate recommendations for crucial analysis and formatting parameters. Following these guidelines elevates comparability between different… (More)

- Thomas Schlömer, Oliver Deussen
- Comput. Graph. Forum
- 2010

We investigate semi-stochastic tilings based on Wang or corner tiles for the real-time synthesis of example-based textures. In particular, we propose two new tiling approaches: (1) to replace stochastic tilings with pseudo-random tilings based on the Halton low-discrepancy sequence, and (2) to allow the controllable generation of tilings based on a… (More)

In this paper we revisit the problem of blue noise sampling with a strong focus on the spectral behavior of the sampling patterns. We use the mathematical relationship between the radial power spectrum and the radial distribution function to synthesize two types of blue noise patterns: ideal blue noise patterns that have a power spectrum in form of a step… (More)

- Thomas Schlömer
- 2012

Rendering computer-generated images is both memory and runtime intensive. This is particularly true in realtime computer graphics where large amounts of content have to be produced very quickly and from limited data. Tile-based methods offer a solution to this problem by generating large portions of a specific content out of a much smaller data set of… (More)