def line_detection(image_name, output="output.png"):
f = Filtros()
imagex = f.aplicar_mascara(image_name, ["prewittx"], [1.0/18.0], cmd="i")
imagey = f.aplicar_mascara(image_name, ["prewitty"], [1.0/18.0], cmd="i")
image = Image.open(image_name)
line_matrix, frequency = calculate_line_values(imagex, imagey, image, saltos_ro=5, saltos_angulo=5, bias=10.0)
f = list()
for i in frequency.keys():
if frequency[i] < 5:
frequency.pop(i)
else:
f.append(frequency[i])
f.sort()
draw_lines(image, frequency, line_matrix)
image.save(output)
