Función normalizar() de la varita – Python

La función normalize() es una función incorporada en la biblioteca Python Wand ImageMagick que se utiliza para normalizar los colores de una imagen mediante el cálculo de un histograma.

Sintaxis: 

normalize(channel)

Parámetros: esta función acepta un solo parámetro como tipo de canal.
Valor de retorno: esta función devuelve el objeto Wand ImageMagick.

Imagen original: 

Ejemplo 1:  

# Import library from Image
from wand.image import Image
 
# Import the image
with Image(filename ='../geeksforgeeks.png') as image:
    # Clone the image in order to process
    with image.clone() as normalize:
 
        # Invoke normalize function with Channel "green"
        normalize.normalize("green")
 
        # Save the image
        normalize.save(filename ='normalize1.jpg')

Producción: 

Ejemplo 2:  

# Import libraries from the wand 
from wand.image import Image
from wand.drawing import Drawing
from wand.color import Color
 
with Drawing() as draw:
    # Set Stroke color the circle to black
    draw.stroke_color = Color('black')
    # Set Width of the circle to 2
    draw.stroke_width = 1
    # Set the fill color to 'White (# FFFFFF)'
    draw.fill_color = Color('white')
 
    # Invoke Circle function with center at 50, 50 and radius 25
    draw.circle((200, 200), # Center point
                (100, 100)) # Perimeter point
    # Set the font style
    draw.font = '../Helvetica.ttf'
    # Set the font size
    draw.font_size = 30
     
    with Image(width = 400, height = 400, background = Color('# 45ff33')) as pic:
        # Set the text and its location
        draw.text(int(pic.width / 3), int(pic.height / 2), 'GeeksForGeeks !')
        # Draw the picture
        draw(pic)
        # Invoke normalize function with channel "yellow"
        pic.normalize("yellow")
        # Save the image
        pic.save(filename ='normalize2.jpg')

Producción: