Face hallucination is super-resolution of face images, or clarifying the details of a face from a low-resolution image. The technique of sparse coding can be used. Because of the importance of face images in facial recognition systems and other applications, face hallucination has become an area of research.
Famous quotes containing the word face:
“In the long, sleepless watches of the night,
A gentle face—the face of one long dead—
Looks at me from the wall,”
—Henry Wadsworth Longfellow (1809–1882)