AUTONOMOUS LIGHTING IN 3D SCENE BASED ON SCENARIO TRACKING AND DIRECTOR’S BEHAVIOR
Date
2017-08-06Author
Andreas
KONDO, Kunio
PURNOMO, Mauridhi Hery
HARIADI, Mochamad
Metadata
Show full item recordAbstract
One of the most important things in cinematography is lighting. Lighting in
cinematography has many roles besides to illuminate the objects, such as to make its edge clearer
thus it looks sharper, has a depth to expose the 3D impression, has separation so it can stand out from
the background, and so on. Unfortunately, it is very hard to gain a good lighting due to many issues
that affect the lighting result, such as the type of the light source, its intensity, position, and direction.
Referring to these parameters, then there will be a lot of permutations and variations that can be
obtained to illuminate an object. Another issue that also causes the automatic lighting process
becomes difficult is because the process of lighting is heavily influenced by the tastes of the director.
Therefore, it can be said that there is more than one right way to light the scene. In this article, the
designer designs the initial scene based on the data from the storyboards, then it will become the input
of the autonomous lighting process which will add some additional light sources to gain a good
lighting set based on director's behavior. There are eight scenes from a short animation movie used
in this article as inputs. This movie uses the Cornell Box as the sphere/set. Bidirectional Reflectance
Distribution Function (BRDF) algorithm combined with fuzzy logic are involved in this article to
calculate the intensity of the bounced lights. As the result, most designers assess six of the eight
outputs have been as expected