Zaktualizuj '05/do_sprawdzenia/progowanie.py'
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@ -1727,13 +1727,15 @@ class Ui_MainWindow(object):
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#algorytm otsu
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def otsu(self):
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hist = self.generateHistogram(-1, 'r')
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hist = hist/np.sum(hist)
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# przygotowuję sobie tablicę
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potencjalne_progi = [0] * 256
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for t in range(1,255):
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obiekt = self.sumka(0, t)
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tlo = self.sumka(t+1, 256)
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obiekt = np.sum(hist[:t])
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tlo = np.sum(hist[t:])
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wsrednia_obiektu = self.wartosc_srednia(0, t+1, obiekt, tlo)
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wsrednia_tla = self.wartosc_srednia(t+1, 256, obiekt, tlo)
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@ -1744,17 +1746,12 @@ class Ui_MainWindow(object):
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return potencjalne_progi.index(min(potencjalne_progi))
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def sumka(self, start, end):
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for k in range(start,end+1):
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k += k
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return k
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def wartosc_srednia(self, start, end, obiekt, tlo):
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histogram = self.generateHistogram(-1, 'r')
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hist = self.generateHistogram(-1, 'r')
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hist = hist/np.sum(hist)
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for k in range(start, end):
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k += k * (histogram[k]/tlo)
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k += k * (hist[k]/tlo)
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return k
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def progowanie(self, option):
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