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One way to brighten shadows in image editing software such as GIMP or Adobe Photoshop is to duplicate the background layer, invert the copy and set the blend modes of that top layer to "Soft Light". You can also use an inverted black and white copy of the image as a mask on a brightening layer, such as Curves or Levels.
Cartoon rendering, also called cel shading or toon shading, is a non-photorealistic rendering technique used to give 3D computer graphics a flat, cartoon-like appearance. Its defining feature is the use of distinct shading colors rather than smooth gradients, producing a look reminiscent of comic books or animated films.
Use the result of the first transformation as the new bottom layer; Put the result of the second transformation as the new top layer; Use the initial top layer as the mask on the new top layer. (This assumes that the mask may be colored, with its R, G, B channels masking the channels of the image independently.
These techniques can be combined with any illumination model: ... video games, movies or technical illustrations, and include: Cel shading; Gooch shading; See also
The shading of the surface is computed using traditional 3-D computer graphics shading models. One important advantage ray casting offered over older scanline algorithms was its ability to easily deal with non-planar surfaces and solids, such as cones and spheres .
In 3D computer graphics, modeling, and animation, ambient occlusion is a shading and rendering technique used to calculate how exposed each point in a scene is to ambient lighting. For example, the interior of a tube is typically more occluded (and hence darker) than the exposed outer surfaces, and becomes darker the deeper inside the tube one ...
The effect produces fringes (or feathers) of light extending from the borders of bright areas in an image, contributing to the illusion of an extremely bright light overwhelming the camera or eye capturing the scene. It became widely used in video games after an article on the technique was published by the authors of Tron 2.0 in 2004. [1]
Flat shading: a technique that shades each polygon of an object based on the polygon's "normal" and the position and intensity of a light source; Gouraud shading: invented by H. Gouraud in 1971; a fast and resource-conscious vertex shading technique used to simulate smoothly shaded surfaces. [6]