def filtro_roberts(image, orientation='vertical ou horizontal'):
print("Result dimensions ", image.shape)
mascara_vertical = (0, 0, -1, 0, 1, 0, 0, 0, 0)
mascara_horizontal = (-1, 0, 0, 0, 1, 0, 0, 0, 0)
if orientation == 'vertical':
return filtro(image, mascara_vertical, 3.0)
elif orientation == 'horizontal':
return filtro(image, mascara_horizontal, 3.0)
roberts_vertical = filtro(image, mascara_vertical, 3.0)
roberts_horizontal = filtro(image, mascara_horizontal, 3.0)
return image_add_01(roberts_vertical, roberts_horizontal)
def filtro_prewitt(image, orientation='vertical ou horizontal'):
print("Result dimensions ", image.shape)
mascara_vertical = (-1, 0, 1, -1, 0, 1, -1, 0, 1)
mascara_horizontal = (-1, -1, -1, 0, 0, 0, 1, 1, 1)
if orientation == 'vertical':
return filtro(image, mascara_vertical, 3.0)
elif orientation == 'horizontal':
return filtro(image, mascara_horizontal, 3.0)
prewitt_vertical = filtro(image, mascara_vertical, 3.0)
prewitt_horizontal = filtro(image, mascara_horizontal, 3.0)
return image_add_01(prewitt_vertical, prewitt_horizontal)
def filtro_sobel(image, orientation='vertical ou horizontal'):
print("Result dimensions ", image.shape)
mascara_vertical = (-1, 0, 1, -2, 0, 2, -1, 0, 1)
mascara_horizontal = (-1, -2, -1, 0, 0, 0, 1, 2, 1)
if orientation == 'vertical':
return filtro(image, mascara_vertical, 4.0)
elif orientation == 'horizontal':
return filtro(image, mascara_horizontal, 4.0)
sobel_vertical = filtro(image, mascara_vertical, 4.0)
sobel_horizontal = filtro(image, mascara_horizontal, 4.0)
return image_add_01(sobel_vertical, sobel_horizontal)
def filtro_isotropico(image, orientation='vertical ou horizontal'):
print("Result dimensions ", image.shape)
mascara_vertical = (1, 0, -1, 1.4142135623730951, 0, -1.4142135623730951,
1, 0, -1)
mascara_horizontal = (-1, -1.4142135623730951, -1, 0, 0, 0, 1,
1.4142135623730951, 1)
# div = 1
# div = 1.5
div = 3.414213562
if orientation == 'vertical':
return filtro(image, mascara_vertical, div)
elif orientation == 'horizontal':
return filtro(image, mascara_horizontal, div)
isotropico_vertical = filtro(image, mascara_vertical, div)
isotropico_horizontal = filtro(image, mascara_horizontal, div)
return image_add_01(isotropico_vertical, isotropico_horizontal)
def filtro_isotropico(image):
print("Result dimensions ", image.shape)
isotropico_vertical = filtro_isotropico_vertical(image)
isotropico_horizontal = filtro_isotropico_horizontal(image)
return image_add_01(isotropico_vertical, isotropico_horizontal)
def filtro_roberts(image):
print("Result dimensions ", image.shape)
roberts_vertical = filtro_roberts_vertical(image)
roberts_horizontal = filtro_roberts_horizontal(image)
return image_add_01(roberts_vertical, roberts_horizontal)
def filtro_prewitt(image):
print("Result dimensions ", image.shape)
prewitt_vertical = filtro_prewitt_vertical(image)
prewitt_horizontal = filtro_prewitt_horizontal(image)
return image_add_01(prewitt_vertical, prewitt_horizontal)
def filtro_sobel(image):
print("Result dimensions ", image.shape)
sobel_vertical = filtro_sobel_vertical(image)
sobel_horizontal = filtro_sobel_horizontal(image)
return image_add_01(sobel_vertical, sobel_horizontal)