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def difuminado(nombre_imagen): | |
matriz_original = leer_imagen(nombre_imagen) | |
# Eliminar referencia para crear una nueva matriz | |
matriz_difuminada = matriz_original[:] | |
ancho = len(matriz_difuminada[0]) | |
alto = len(matriz_difuminada) | |
for y in range(alto): | |
for x in range(ancho): | |
# Vamos a recorrer una mini matriz en la caja | |
inicio_y = y-1 | |
inicio_x = x-1 | |
fin_y = y+1 | |
fin_x = x+1 | |
if inicio_y < 0: | |
inicio_y = 0 | |
if inicio_x < 0: | |
inicio_x = 0 | |
if fin_x >= ancho: | |
fin_x = ancho - 1 | |
if fin_y >= alto: | |
fin_y = alto - 1 | |
suma_red = 0 | |
suma_green = 0 | |
suma_blue = 0 | |
conteo = 0 | |
while inicio_y <= fin_y: | |
indice_x = inicio_x | |
while indice_x <= fin_x: | |
pixel_matriz_original = matriz_original[inicio_y][indice_x] | |
suma_red += pixel_matriz_original[0] | |
suma_green += pixel_matriz_original[1] | |
suma_blue += pixel_matriz_original[2] | |
indice_x += 1 | |
conteo += 1 | |
inicio_y += 1 | |
promedio_red = round(suma_red/conteo) | |
promedio_green = round(suma_green/conteo) | |
promedio_blue = round(suma_blue/conteo) | |
matriz_difuminada[y][x] = [ | |
promedio_red, promedio_green, promedio_blue] | |
return matriz_difuminada |
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