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Fig. 2 | BMC Infectious Diseases

Fig. 2

From: A machine learning-based system for detecting leishmaniasis in microscopic images

Fig. 2

The complete expression of the integral image; the sum of the pixels inside sub-window S1 using the relation \(\sigma \,\left( {S_{1} } \right) = ii\,\left( {p_{1} } \right) = ii\,\left( {r_{1} ,c_{1} } \right)\) is obtained and also the sub-windows S2 and S3 with the relations \(\sigma \left( {S_{2} } \right) = ii\,\left( {r_{2} ,c_{2} } \right) - \left( {r_{1} ,c_{1} } \right)\) and \(\sigma\, \left( {S_{3} } \right) = ii\,\left( {r_{3} ,c_{3} } \right) - ii\,\left( {r_{1} ,c_{1} } \right)\) are expressed. The pixels below S4 are also calculated as \(\sigma\, \left( {S_{4} } \right) = ii\,\left( {r_{4} ,c_{4} } \right) - ii\,\left( {r_{3} ,c_{3} } \right) - ii\,\left( {r_{2} ,c_{2} } \right) + ii\,\left( {r_{1} ,c_{1} } \right)\). (Image by Uc-Cetina et al. [20])

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