Neural Style Transfer -- A Simple Explanation

Have you ever admired famous artworks like "The Starry Night" of Vincent Van Gogh or "The Great Wave off Kanagawa" of the Japanese artist Katsushika Hokusai, as shown in Figure 1? Do you like art? Do you want to practice art? Do you want to create your own artworks … like the above ones? In reality, however, I and many of us don't have such a talent to approach this artistic level. Despite this fact, we always want to make our pictures or designs as beautiful, artistic as possible. And we rely on innovative tool or software, for example Adobe Photoshop or Adobe Lightroom, etc. to help us to obtain our own artworks.