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Technical report IES-2013-12. In: Jürgen Beyerer, Alexey Pak (eds.), Proceedings of the 2013 Joint Workshop of Fraunhofer IOSB and Institute for Anthropomatics, Vision and Fusion Laboratory, Karlsruher Schriften zur Anthropomatik, vol. 17, KIT Scientific Publishing, 2014.
Many existing methods describe structural or statistical textures. For the transition region, the structural-statistical textures, only very few dedicated methods are known. In this report, a texture model is presented that allows the description of certain structural-statistical textures. The way of looking at modulation from communications technology is applied to textures. A structural texture may be subject to a variation of the gray value, i.e., amplitude modulation, or primitive, i.e., frequency modulation. This is based on the description of the modulated texture using an extended two-dimensional Fourier series. This enables not only the representation of modulated textures, but also the demodulation with the help of a presented phase-locked loop. Thus, an assessment of a modulated texture is achieved.