2002
DOI: 10.1016/s0895-6111(02)00045-9
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An improved method of region grouping for microcalcification detection in digital mammograms

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Cited by 21 publications
(8 citation statements)
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“…The normalized Fourier Ddescriptors (NFDs) are obtained as: (14) Moments: Moments have been utilized spiculation as pattern features in a number of applications. A set of normalized dimensionless moments as follows have been used in this paper [ ]:…”
Section: Features Extraction On Individual Areasmentioning
confidence: 99%
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“…The normalized Fourier Ddescriptors (NFDs) are obtained as: (14) Moments: Moments have been utilized spiculation as pattern features in a number of applications. A set of normalized dimensionless moments as follows have been used in this paper [ ]:…”
Section: Features Extraction On Individual Areasmentioning
confidence: 99%
“…After classification of abnormal calcifications and normal breast tissues in segmented areas, and elimination of normal breast tissue, calcification clustering procedure, a distance-based and dense-to-sparse grouping approach, was performed in detected calcifications as described in detail in [14]. Briefly a two-stage grouping algorithm was been developed to locate calcification clusters that included a minimum of three areas with 1 cm 2 square area under several criteria.…”
Section: Calcification Clusteringmentioning
confidence: 99%
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“…Em [Ferrari et al, 2004] e [Alto et al, 2005] são apresentados métodos para identificação de nódulos utilizando respectivamente wavelets de Gabor e características de textura de Haralick. Em [Qian et al, 2002]é utilizada a segmentação para identificação de grupos de microcalcificações e em [Soltanian-Zadeh et al, 2004] também são utilizadas wavelets para extração de características de textura para classificação de microcalcificações. Em [Wei et al, 2009] técnicas de extração de forma são utilizadas para detectar agrupamentos de microcalcificações e em [Dua et al, 2009] características de textura são utilizadas para treinar um classificador para auxílio ao diagnóstico.…”
Section: Métodos Específicos Para Imagens De Exames Médicosunclassified
“…Em (Qian et al, 2002) a segmentaçãoé utilizada para identificação de grupos de microcalcificações em exames de mamografia. Ainda com relação a métodos específicos para imagens médicas, Schilham et al (2006) realizam a segmentação de imagens de ; (e) região de classe 3 (massa branca); (f) região de classe 4 (dura, medulaóssea, gordura) (Balan, 2007).…”
Section: Segmentação De Imagensunclassified