1. character generation and special effects (cabrera, cid and dayoc)
DESCRIPTION
CommunicationsTRANSCRIPT
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Character Generation and
Special EffectsCabrera, Joeffrey E.
Cid, Chrisan Lorenzo L.
Dayoc, Jeffreson G.
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Character Generation or CG
• Device or software that produces static or animated text
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Hardware Character Generation
• A desktop publishing-like interface can be used to generate static and moving text or graphics
Types of Character Generation
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Software Character Generation
• It runs on standard off-the-shelf computer hardware and are often integrated into video editing software
• Some SCG’s can be used in live production with special software and computer video interface cards, in which case they are equivalent to hardware CG’s
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Examples of Character Generations
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Special Effects (SFX, SPFX, or FX)
• Illusions or tricks of the eye used in the film, television, theatre, etc.
• Can be categorized as:
• Optical Effects
• Mechanical Effects
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Optical Special Effects/ photographic effects
• Techniques in which images or film frames are created photographically
• Might be used to place actors or sets against a different background
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Mechanical Special Effects/Practical or Physical Effects
• Are usually accomplished during the live-action shooting
• Includes the use of mechanized props, scenery, scale models, pyrotechnics, etc.
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Special Effects Techniques
• Bullet Time
• Computer Generated Imagery (CGI)
• Digital Compositing
• Dolly Zoom
• In-Camera Effects
• Match Moving
• Matte for Filmmaking and Matte Painting
• Miniature Effects
• Morphing
• Motion Control Photography
• Optical Effects
• Optical Printing
• Practical Effects
• Prosthetic Makeup Effects
• Rotoscoping
• Stop Motion
• Go Motion
• Schüfftan Process
• Travelling Matte
• Virtual Cinematography
• Wire Removal
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• Is a visual effect that refers to digitally enhanced simulation of variable speed
• Extreme transformation of time
Bullet Time
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Computer Generated Imagery (CGI)
• Addition of “visual scenes” that are either 2D or 3D and can be either static or dynamic
• Higher quality and more controllable effects rather than the physical methods or processes
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Digital Compositing
• Incorporates/integrates multiple images into one single image
• Appears to be just one whole (seamless)
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Dolly Zoom
• Camera moves nearer or further from subject while adjusting the zoom angle
• EFFECT: Subject appears to be stationary while the background is changing in size
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In-Camera Effect
• Any special effect developed using only techniques and features within the or on the camera used
• Some types:
• Matte Painting
• Dolly Zoom
• Lighting/ flash effects
• Shutter Effects
• Filtration (using different kinds of filters)
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Match Moving
Cinematic technique that allows the insertion of computer graphics into live-action footage with correct position, scale, orientation, and motion relative to the photographed objects in the shot
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Matte Painting
Representation of a landscape which creates an illusion of a particular place which doesn’t necessarily exist
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Miniature Effect
Uses Scale models to achieve effect (sometimes with high-speed photography and/or matte shots)
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Morphing
• Changes or morphs one image to another image seamlessly
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Motion Control Photography
• Is a technique used in still and motion photography that enables precise control of, and optionally also allows repetition of, camera movements
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Optical Effects
• Special visual effects, as the wipe or dissolve, created in the camera or especially in a film laboratory by technicians using complex optical and electronic equipment
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Optical Printing
• Basically a camera and projector operating in pair, which makes it potential to photograph a photograph
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Practical Effects
• A special effect produced physically, without computer-generated imagery or other post-production techniques
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Prosthetic Makeup Effects/ FX prosthesis
• Process of using prosthetic sculpting, molding and casting techniques to create advanced cosmetic effects
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Rotoscoping
• Animation technique in which live action video is traced to create animation that mimics the live action
• Lines are then transferred to cells and painted as in normal traditional animation
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Stop Motion
• Technique that make a simple physical object to move on its own
• Moved in small increments between frames, and creating an illusion when these frames already move on their own
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Go Motion
• Variation of stop motion photography where the camera is actually moving in order to make the frames move
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Schüfftan Process
• Usually uses mirrors to portray a large subject by bending the image and it can scale in mirror
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Virtual Cinematography
• Purpose of recreating them as three dimensional objects and algorithms for automated creation of real and simulated camera viewpoints
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Wire Removal
• Literally removing wires in videos, being used as safety precaution or to simulate flying characters in scene
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Special Effects Generator
• Is a multi-input signal processor, usually incorporating different types of processes such as mixing, keying, wiping and switching.
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MIX
• The SEG additively mixes the outputs of A and B
• The bar manually controls the gains of the 2 bus outputs
• It separates into two individually controlled levers to control the gains
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WIPE
• A split-screen is used to divide the outputs of A and B. There are 6 selections for shapes to divide the screen:
• Vertical
• Horizontal
• Corner Inserts
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INT
• In the Int Key Mode, the SEG acts like a two-input keyer.
• The output of B is the clip signal
• There is no key reverse
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EXT
• In the Ext Key Mode, the SEG acts like a 3-input keyer
• Whatever signal is inputted to the Ext Key Input Y on the matrix is the clip signal between the output of bus A and bus B