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A color spectrum image with an alpha channel that falls off to zero at its base, where it is blended with the background color.. In computer graphics, alpha compositing or alpha blending is the process of combining one image with a background to create the appearance of partial or full transparency. [1]
Cryptomatte images can be created by several 3D graphic programs like Blender, [2] Autodesk Maya, [3] Autodesk 3ds Max [4] or Houdini [5] and are usually exported using the OpenEXR file format. Whether a program is able to generate a cryptomatte or not is determined by the render engine being used.
Alpha mapping is used when the given object's transparency is not consistent: when the transparency amount is not the same for the entire object and/or when the object is not entirely transparent. If the object has the same level of transparency everywhere, one can either use a solid-color alpha texture or an integer value.
Gaussian splatting model of a collapsed building taken from drone footage. 3D Gaussian splatting is a technique used in the field of real-time radiance field rendering. [3] It enables the creation of high-quality real-time novel-view scenes by combining multiple photos or videos, addressing a significant challenge in the field.
Procedurally generated tiling textures. In computer graphics, a procedural texture [1] is a texture created using a mathematical description (i.e. an algorithm) rather than directly stored data. The advantage of this approach is low storage cost, unlimited texture resolution and easy texture mapping. [2]
The resulting image may contain aliasing along the edges of transparent objects or edges within textures, although the image quality will be no worse than it would be without any anti-aliasing. [5] Translucent objects that are modelled using alpha-test textures will also be aliased due to alpha testing.
This image shows the results of overlaying each of the above transparent PNG images on a background color of #6080A0. Note the gray fringes on the letters of the middle image. This shows how the above images would look when, for example, editing them. The grey and white check pattern would be converted into transparency.
The screen-space, “deferred” pass then accumulates diffuse and specular lighting data separately, so a last pass must be made over the scene geometry to output final image with per-pixel shading. The apparent advantage of deferred lighting is a dramatic reduction in the size of the G-Buffer.