Rodrigo Pereira Ramos

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In Brazil, the National Cancer Institute (INCA) reports more than 50,000 new cases of the disease, with risk of 51 cases per 100,000 women. Radiographic images obtained from mammography equipments are one of the most frequently used techniques for helping in early diagnosis. Due to factors related to cost and professional experience, in the last two decades(More)
In this paper, we present a method for extraction and attribute selection for textural features classification using the fusion of information from the mediolateral oblique (MLO) view and craniocaudal (CC) views. In the extraction step, wavelet coefficients together with singular value decomposition technique were applied to reduce the number of textural(More)
— This work analyses the effects of multipath diversity on the performance of wireless code division multiple access (CDMA) ad hoc networks. Expected progress per slot is used as the performance criterion for the capacity of the described model. The fading can unfavorably affect the data transmission in an wireless network. By the application of the well(More)
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