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Chroma key compositing, or chroma keying, is a visual-effects and post-production technique for compositing (layering) two or more images or video streams together based on colour hues (chroma range). The technique has been used in many fields to remove a background from the subject of a photo or video – particularly the newscasting, motion ...
Reversal film. A single slide, showing a color transparency in a plastic frame. Slide projector, showing the lens and a typical double slide carrier. In photography, reversal film or slide film is a type of photographic film that produces a positive image on a transparent base. [1] Instead of negatives and prints, reversal film is processed to ...
Poly (methyl methacrylate) (PMMA) is the synthetic polymer derived from methyl methacrylate. It is used as an engineering plastic, and it is a transparent thermoplastic. PMMA is also known as acrylic, acrylic glass, as well as by the trade names and brands Crylux, Hesalite, Plexiglas, Acrylite, Lucite, and Perspex, among several others (see below).
Kodachrome is the brand name for a color reversal film introduced by Eastman Kodak in 1935. [2] It was one of the first successful color materials and was used for both cinematography and still photography. For many years, Kodachrome was widely used for professional color photography, especially for images intended for publication in print media.
Blend modes. A sketch colored digitally with use of several different blend modes in order to preserve the pencil lines and paper texture below the color layers. Blend modes (alternatively blending modes[1] or mixing modes[2]) in digital image editing and computer graphics are used to determine how two layers are blended with each other.
Smart glass in an opaque state. Smart glass, also known as switchable glass, dynamic glass, and smart-tinting glass, is a type of glass that can change its optical properties, becoming opaque or tinted, in response to electrical or thermal signals. This can be used to prevent sunlight and heat from entering a building during hot days, improving ...
The vellum is extremely thin, almost transparent, and the text by an unknown scribe is very finely written. [3] The miniatures use a variety of grisaille drawing in pen known (or at least so called in an inventory that included this work) as "de blanc et noir" and tempera for the other colours. Using both grisaille and colour together is a ...
Fuchsite. Verdite, a microcrystalline metamorphic rock, is composed mostly of green fuchsite. This specimen (6.5 cm across at its base), of Archean age, is from Barberton, Mpumalanga, South Africa. Fuchsite, also known as chrome mica, is a chromium (Cr)-rich variety of the mineral muscovite, belonging to the mica group of phyllosilicate ...