2021
DOI: 10.20502/rbg.v22i4.1987
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Emprego de segmentação multiresolucional no mapeamento digital de formas de relevo

Abstract: As técnicas geomorfométricas, baseadas na análise orientada a objeto e que empregam o algoritmo de segmentação multiresolucional, apresentam potencialidade de aplicação no mapeamento digital do relevo. O artigo teve como objetivo demonstrar a classificação semiautomatizada de padrões de formas de relevo com o emprego de segmentação multiresolucional. Foram calculados de um MDT os parâmetros: declividade, relevo sombreado, índice de posição topográfico, amplitude altimétrica, média da declividade e média do índ… Show more

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“…𝑇𝑃 + 𝑇𝑁 𝑇𝑃 + 𝐹𝑃 + 𝑇𝑁 + 𝐹𝑁 (6) , where TP corresponds to True Positive values, TN equals to True Negative, FP means False Positive and FN is the False Negative values. R is calculated by (Equation 7) 𝑅 = 𝑇𝑃 𝑇𝑃 + 𝐹𝑁 (7) , and corresponds to how much of a class has been identified correctly by the classifier. Precision can be calculated as (Equation 8)…”
Section: 𝑂𝐴 =mentioning
confidence: 99%
“…𝑇𝑃 + 𝑇𝑁 𝑇𝑃 + 𝐹𝑃 + 𝑇𝑁 + 𝐹𝑁 (6) , where TP corresponds to True Positive values, TN equals to True Negative, FP means False Positive and FN is the False Negative values. R is calculated by (Equation 7) 𝑅 = 𝑇𝑃 𝑇𝑃 + 𝐹𝑁 (7) , and corresponds to how much of a class has been identified correctly by the classifier. Precision can be calculated as (Equation 8)…”
Section: 𝑂𝐴 =mentioning
confidence: 99%