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Complexity is a feature of great importance in pattern recognition processes, especially those involving biological images. This work aims to study methods that perform image analysis by the analysis of its complexity. The methods to be studied were selected based on similarity of their algorithms and methodology: fractal dimension, Deterministic Tourist Walk and Complex Networks. These methods enable us to perform the analysis and segmentation of shapes and textures contained in an image based on the variation of its complexity. Of the three methods considered, two of them are part of the state of the art in complexity analysis, while the fractal dimension is already applied in shapes and textures analysis. The work developed here aims to compare and analyze the selected methods through experiments with shape and texture images. Keyworkd: Computer Vision, Complexity Analysis, Pattern Recognition.

Estudos de métodos de análise de complexidade em imagens