… into compositing operations allows the lighting of objects to be … animation, this allows
the Lumo technique to be used by graphic designers and illustrators to create illuminated …

… and selfshadows in cel animation. Besides producing attractive … Lumo: illumination for cel
animation. In Proceedings of the 2nd international symposium on Non-photorealistic animation …

… in human perception of cel animation. In particular, … Lumo [16] approximates surface normals
directly from line drawings for cel animation to incorprate subtle environmental illumination. …

… Petrovic’s work [29] applies this idea to create shades and shadows for cel animation. While
… possible to the lighting from [43] for an accurate qualitative comparison. While both Lumo [17…

… set of hand-drawn images and animations, showing that even in comparison … Lumo we
extracted a normal field from our bas-relief approximation and rendered it using the same lighting …

… and cel shadings, environment mapping, static and animated … Johnston [11] proposed the
Lumo framework for computing … We use the reference model not only for speeding up lighting …

… 32 In thinking about how Ellison’s animation scene might illuminate issues raised by The
PJs and its critical reception, it is interesting to note that when Eddie Murphy first conceived the …

… illumination process does not depend on the complexity of the shapes. It is important to mention
that, unlike Lumo [20… Peixoto, “Colorization and illumination of 2d animations based on a …

… light source is and at the same time they can express a character‟s emotion and feelings in
2D animation… On the other hand, the LUMO model usually needs more iterations because of …

… hybrid digital cel animation, we assume that the light source is a point or directional light.
We will first consider the shaded area defined by the diffuse term with a directional light source. …