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Colour Grading
Color grading is a post-production process common to filmmaking and video editing of altering the appearance of an image for presentation in different environments on different devices. Various attributes of an image such as contrast, color, saturation, detail, black level, and white balance may be enhanced whether for motion pictures, videos, or still images. Color grading and color correction are often used synonymously as terms for this process and can include the generation of artistic color effects through creative blending and compositing of different layer masks of the source image. Color grading is generally now performed in a digital process either in a controlled environment such as a color suite, and is usually done in a dim or dark environment. The earlier photochemical film process, referred to as color timing, was performed at a film lab during printing by varying the intensity and color of light used to expose the rephotographed image. Since, with this proces ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
A Time For Experimentation (38896311835)
A, or a, is the first letter and the first vowel of the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide. Its name in English is ''a'' (pronounced ), plural ''aes''. It is similar in shape to the Ancient Greek letter alpha, from which it derives. The uppercase version consists of the two slanting sides of a triangle, crossed in the middle by a horizontal bar. The lowercase version can be written in two forms: the double-storey a and single-storey ɑ. The latter is commonly used in handwriting and fonts based on it, especially fonts intended to be read by children, and is also found in italic type. In English grammar, " a", and its variant " an", are indefinite articles. History The earliest certain ancestor of "A" is aleph (also written 'aleph), the first letter of the Phoenician alphabet, which consisted entirely of consonants (for that reason, it is also called an abjad to distinguish it fro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Film Chain
A film chain or film island is a television – professional video camera with one or more projectors aligned into the photographic lens of the camera. With two or more projectors a system of front-surface mirrors that can pop-up are used in a multiplexer. These mirrors switch different projectors into the camera lens. The camera could be fed live to air for broadcasting through a vision mixer or recorded to a VTR for post-production or later broadcast. In most TV use this has been replaced by a telecine. Projectors The projectors often are: 16 mm film movie projector, a 35 mm slide projector and a 35 mm film movie projector. In low-end use the motion picture 35 mm projector would be replaced by a second 16 mm projector or 8 mm film, or Super 8 mm film or Single-8 projector. The multiplexer with the camera and projectors surrounding it would often be called a ''film island''. The optical or mag or magnetic strip soundtrack on the motion picture would be pick ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sensitometry
Sensitometry is the scientific study of light-sensitive materials, especially photographic film. The study has its origins in the work by Ferdinand Hurter and Vero Charles Driffield (circa 1876) with early black-and-white emulsions. They determined how the density of silver produced varied with the amount of light received, and the method and time of development. Details Plots of film density (log of opacity) versus the log of exposure are called characteristic curves, Hurter–Driffield curves, H–D curves, HD curves, H & D curves, D–logE curves, or D–logH curves. At moderate exposures, the overall shape is typically a bit like an "S" slanted so that its base and top are horizontal. There is usually a central region of the HD curve which approximates to a straight line, called the "linear" or "straight-line" portion; the slope of this region is called the gamma. The low end is called the "toe", and at the top, the curve rounds over to form the "shoulder". At extremely hi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Marianne (2011 Film)
Marianne () has been the national personification of the French Republic since the French Revolution, as a personification of liberty, equality, fraternity and reason, as well as a portrayal of the Goddess of Liberty. Marianne is displayed in many places in France and holds a place of honour in town halls and law courts. She is depicted in the ''Triumph of the Republic'', a bronze sculpture overlooking the Place de la Nation in Paris, as well as represented with another Parisian statue on the Place de la République. Her profile stands out on the official government logo of the country, appears on French euro coins and on French postage stamps. She was also featured on the former franc currency and is officially used on most government documents. Marianne is a significant republican symbol; her French monarchist equivalent is often Joan of Arc. As a national icon Marianne represents opposition to monarchy and the championship of freedom and democracy against all forms of o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Film Tinting
Film tinting is the process of adding color to black-and-white film, usually by means of soaking the film in dye and staining the film emulsion. The effect is that all of the light shining through is filtered, so that what would be white light becomes light of some color. Film toning is the process of replacing the silver particles in the emulsion with colored, silver salts, by means of chemicals. Unlike tinting, toning colored the darkest areas, leaving the white areas largely untouched. History Tinting in the silent era The process began in the 1890s, originally as a copy-guard against film pirates. The film was tinted amber, the color of the safelight on film printers. The discovery of bleaching methods by pirates soon put an end to this. Both the Edison Studios and the Biograph Company began tinting their films for setting moods. Because orthochromatic film stock could not be used in low-light situations, blue became the most popular tint, applied to scenes shot during the d ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pandora International
Pandora International is a maker of hardware and software systems for video editing, Telecine Control and Colour Correction. Pandora was founded in 1985 By Steve Brett and Martin Greenwood, later Aine Marsland joined the team and took over the administration of the company. Pandora International devices are able to colour-correct video and 16 mm and 35 mm motion picture film in real time. Pandora International is based in Greenhithe, Kent, England. Pogle Colour corrector Pandora Int. was the maker the Pogle colour corrector controller. The Pogle can control a Telecine machine, like the FDL60 the first digital telecine. New models could control FDL 90, Quadra and Spirit DataCines Pogle used customized external control panels. The Pogle also included a VTR deck controller which was capable of controlling up to four video tape decks for field accurate editing including 3/2 sequence control. Other systems made do with a separate computer system .g. TLCfor this function. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Da Vinci Systems
da Vinci Systems was an American digital cinema company founded in 1984 in Coral Springs, Florida as a spinoff of Video Tape Associates. It was known for its hardware-based color correction products, GPU-based color grading, digital mastering systems, and film restoration and remastering systems. It was one of the earliest pioneers in post-production products. The company was owned by Dynatech Corporation (Acterna after 2000) for the majority of its lifespan until being bought by JDS Uniphase in 2005 and by Blackmagic Design in 2009. Company history In 1982, Video Tape Associates (VTA), a Hollywood, Florida-based production/post-production facility, began developing the Wiz for internal use and introduced it to the public the following year. The Wiz controlled early telecines such as the RCA FR-35 and the Bosch FDL 60 and offered basic primary and secondary color correction. The American post-production facilities company EDITEL Group asked VTA to build multiple Wiz syste ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Color Space
A color space is a specific organization of colors. In combination with color profiling supported by various physical devices, it supports reproducible representations of colorwhether such representation entails an analog or a digital representation. A color space may be arbitrary, i.e. with physically realized colors assigned to a set of physical color swatches with corresponding assigned color names (including discrete numbers infor examplethe Pantone collection), or structured with mathematical rigor (as with the NCS System, Adobe RGB and sRGB). A "color space" is a useful conceptual tool for understanding the color capabilities of a particular device or digital file. When trying to reproduce color on another device, color spaces can show whether shadow/highlight detail and color saturation can be retained, and by how much either will be compromised. A "color model" is an abstract mathematical model describing the way colors can be represented as tuples of numbers (e.g. tr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Prism (optics)
An optical prism is a transparent optics, optical element with flat, polished surfaces that are designed to refraction, refract light. At least one surface must be angled — elements with two parallel surfaces are ''not'' prisms. The most familiar type of optical prism is the triangular prism, which has a triangular base and rectangular sides. Not all optical prisms are prism (geometry), geometric prisms, and not all geometric prisms would count as an optical prism. Prisms can be made from any material that is transparent to the wavelengths for which they are designed. Typical materials include glass, acrylic glass, acrylic and fluorite#Optics, fluorite. A dispersive prism can be used to break white#White light, white light up into its constituent spectral colors (the colors of the rainbow) as described in the following section. Other types of prisms noted below can be used to reflection (physics), reflect light, or to split light into components with different polarization (w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Telecine
Telecine ( or ) is the process of transferring film into video and is performed in a color suite. The term is also used to refer to the equipment used in the post-production process. Telecine enables a motion picture, captured originally on film stock, to be viewed with standard video equipment, such as television sets, video cassette recorders (VCR), DVD, Blu-ray Disc or computers. Initially, this allowed television broadcasters to produce programs using film, usually 16mm stock, but transmit them in the same format, and quality, as other forms of television production. Furthermore, telecine allows film producers, television producers and film distributors working in the film industry to release their productions on video and allows producers to use video production equipment to complete their filmmaking projects. Within the film industry, it is also referred to as a TK, because TC is already used to designate timecode. Motion picture film scanners are similar to telecines. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Charge-coupled Device
A charge-coupled device (CCD) is an integrated circuit containing an array of linked, or coupled, capacitors. Under the control of an external circuit, each capacitor can transfer its electric charge to a neighboring capacitor. CCD sensors are a major technology used in digital imaging. In a CCD image sensor, pixels are represented by p-doped metal–oxide–semiconductor (MOS) capacitors. These MOS capacitors, the basic building blocks of a CCD, are biased above the threshold for inversion when image acquisition begins, allowing the conversion of incoming photons into electron charges at the semiconductor-oxide interface; the CCD is then used to read out these charges. Although CCDs are not the only technology to allow for light detection, CCD image sensors are widely used in professional, medical, and scientific applications where high-quality image data are required. In applications with less exacting quality demands, such as consumer and professional digital cameras, act ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Photomultiplier
A photomultiplier is a device that converts incident photons into an electrical signal. Kinds of photomultiplier include: * Photomultiplier tube, a vacuum tube converting incident photons into an electric signal. Photomultiplier tubes (PMTs for short) are members of the class of vacuum tubes, and more specifically vacuum phototubes, which are extremely sensitive detectors of light in the ultraviolet, visible, and near-infrared ranges of the electromagnetic spectrum. ** Magnetic photomultiplier, developed by the Soviets in the 1930s. ** Electrostatic photomultiplier, a kind of photomultiplier tube demonstrated by Jan Rajchman of RCA Laboratories in Princeton, NJ in the late 1930s which became the standard for all future commercial photomultipliers. The first mass-produced photomultiplier, the Type 931, was of this design and is still commercially produced today. * Silicon photomultiplier, a solid-state device converting incident photons into an electric signal. Silicon photomultiplie ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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