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Image warping and homogenization to analyse the frequency und amplitude modulation of structural-statistical textures

: Vogelbacher, M.

Volltext urn:nbn:de:0011-n-3667535 (510 KByte PDF)
MD5 Fingerprint: 56586e7b624ad96993d917d62ac880b3
Erstellt am: 19.11.2015

Beyerer, Jürgen (Ed.); Pak, Alexey (Ed.):
Joint Workshop of Fraunhofer IOSB and Institute for Anthropomatics, Vision and Fusion Laboratory 2014. Proceedings : July, 20 to 26, 2014; Triberg-Nussbach in Germany
Karlsruhe: KIT Scientific Publishing, 2015 (Karlsruher Schriften zur Anthropomatik 20)
ISBN: 978-3-7315-0401-6
DOI: 10.5445/KSP/1000047712
Fraunhofer Institute of Optronics, System Technologies and Image Exploitation and Institute for Anthropomatics, Vision and Fusion Laboratory (Joint Workshop) <2014, Triberg-Nussbach>
Konferenzbeitrag, Elektronische Publikation
Fraunhofer IOSB ()

Research is being conducted in the field of texture analysis for many years. In this process a wide variety of methods have been developed for analyzing and describing the various structural and statistical textures. For the complicated mixed case of structural-statistical textures only few methods exist which allow a general evaluation. One way to describe this texture type is to produce a deviation from a structural texture with the help of distortions and gray value differences. Inspired by the communication technology, this can be done with the help of frequency or amplitude modulations. In this report, an evaluation option for each type of modulation will be presented. Occurring geometric distortions can be described for example with the help of image warping algorithms. In this context, the retrieval of characteristic points of the texture primitive, i.e. recurrent points that are easy to detect, is an important and also challenging task. The detection of irregularities of the gray values over the entire texture can be achieved with the help of a image pre-processing method called homogenization. Thus, the combination of the two methods - image warping and homogenization - allows a complete description of the frequency and amplitude modulation of structural textures and provides a new way for the analysis of structural-statistical textures.