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A methodology for granulometric image analysis based on modeling the spatial energy of frequencies, using the Wavelet transform is presented in this article. A brief review of the Wavelet Transform tool is presented, and the proposed methodology is detailed. The presented results were obtained using numerically and experimentally simulated images. These results show the relevant correlation between the energy of the Wavelet coefficients and the size distribution of the analyzed objects. Esse artigo apresenta uma metodologia para análise de granulometria por imagem, baseada na modelagem de energia no espaço das freqüências, utilizando a transformada Wavelet. Apresenta uma breve revisão da ferramenta da transformada Wavelet, e detalha a metodologia proposta. Os resultados apresentados foram obtidos utilizando imagens simuladas numericamente e imagens experimentais. Esses resultados mostram uma correlação importante entre a energia dos coeficientes das Wavelets e a distribuição das dimensões dos objetos analisados

Granulometric analysis based on the energy of Wavelet Transform coefficients