Applying Blush

Introduction

Blush is a makeup product that is used to add a flush of color onto the apple of the cheeks and create a rosy, natural-looking glow. It can also take your makeup game to the next level.

A few swipes of blush are able to:

• Enhance face shape
• Soften cheekbones

Add a rosy tint to the cheeks

Objective

Adding virtual blush can give photos a glamorous look. This lesson describes the steps required for developing this kind of utility in the Python programing language.

Dependencies

The following Python libraries are must-have for our utility:

Let’s code the utility!

Let’s look at the main functions of this utility.

The apply_vignette function

This function creates a vignette filter to emphasize the blush area. The vignette filter is an image part with higher brightness and saturation. Let’s define this function.

• Line 5 selects the image dimensions.

• Lines 7–11 generate a vignette mask using Gaussian kernels. The OpenCV function ...