def line_detection(image_name, output="output.png"):
    f = Filtros()
    imagex = f.aplicar_mascara(image_name, ["prewittx"], [1.0/10.0], cmd="i")
    imagey  = f.aplicar_mascara(image_name, ["prewitty"], [1.0/10.0], 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)

    for i in frequency.keys():
        if frequency[i] < 5:
            frequency.pop(i)

    draw_lines(image, frequency, line_matrix)
    image.save(output)
def circle_detection(image_name, output="output.png"):
    f = Filtros()
    imagex = f.aplicar_mascara(image_name, ["sobelx"], [1.0/10.0], cmd="i")
    imagey  = f.aplicar_mascara(image_name, ["sobely"], [1.0/10.0], cmd="i")

#    imagex = f.aplicar_mascara(image_name, ["prewittx"], [1.0/10.0], cmd="i")
#    imagey  = f.aplicar_mascara(image_name, ["prewitty"], [1.0/10.0], cmd="i")

    image = Image.open(image_name)
    salto = 30
    circle_matrix, frequency = calculate_circle_center(imagex, imagey,  image, salto = salto, bias=10.0)

    for i in frequency.keys():
        if frequency[i] < salto*8:
            frequency.pop(i)
        else:
            print frequency[i], i

    draw_lines(image, frequency, circle_matrix)
    image.save(output)
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)

#    print "numero de grupos:", len(frequency.keys())
    f = list()
    for i in frequency.keys():
        if frequency[i] < 5:
            frequency.pop(i)
        else:
            f.append(frequency[i])
    f.sort()
#    for i in f:
#        print i 
            

    draw_lines(image, frequency, line_matrix)
    image.save(output)