Let's learn how to modify the image brightness and contrast. First, we will write code to adjust brightness. The ImageEnhance module makes our job easier by providing Brightness class.
Download image
0165_3_12_Before_BRIGHTENING.pngand rename it toBefore_BRIGHTENING.png.Use the following code:
1 import Image 2 import ImageEnhance 3 4 brightness = 3.0 5 peak = Image.open( "C:\\images\\Before_BRIGHTENING.png ") 6 enhancer = ImageEnhance.Brightness(peak) 7 bright = enhancer.enhance(brightness) 8 bright.save( "C:\\images\\BRIGHTENED.png ") 9 bright.show()
On line 6 in the code snippet, we created an instance of the class
Brightness. It takesImageinstance as an argument.Line 7 creates a new image
brightby using the specifiedbrightnessvalue. A value between0.0and less than1.0gives a darker image, whereas a value greater than1.0makes it brighter. A value of1.0keeps the brightness of the image unchanged.The original and resultant image...