The process by which imagery is created or manipulated outside the context of a live-action shot in filmmaking and video production. VFX can create anything from realistic-looking creatures and environments to fantastical explosions and special effects. The integration of live-action footage and other live-action footage or computer-generated imagery (CGI) elements to create realistic imagery is called VFX. VFX involves the integration of live-action footage (which may include in-camera special effects) and generated imagery (digital or optics, animals or creatures) which look realistic, but would be dangerous, expensive, impractical, time-consuming or impossible to capture on film. Visual effects using CGI have more recently become accessible to the independent filmmaker with the introduction of affordable and relatively easy-to-use animation and compositing software.
Techniques
VFX encompasses a variety of techniques used to create or enhance imagery in film and video. Some of the most popular techniques include:
- Computer-generated imagery (CGI): Uses computers to create images that would be impossible or impractical in the real world. CGI is used in various films and television shows, from the realistic dinosaurs in Jurassic Park to the fantastical creatures in Avatar.
- Motion capture: A technique used to capture the movements of real actors and apply them to digital characters. Motion capture is often used in animation and video games to create realistic movement.
- Compositing: The process of combining multiple images or videos into a single image. Compositing creates various effects, such as adding visual effects to a live-action scene or creating a seamless transition between two shots.
- Matte painting: Creates a realistic background image combined with a live-action scene. Matte paintings often create backgrounds that are impossible to shoot in the real world, such as alien planets or fantasy landscapes.
- Modeling and animation: The process of creating three-dimensional objects and characters that can be animated. Modeling and animation create various effects, from realistic-looking explosions to fantastical creatures.
Applications
VFX can be used to create a wide range of effects, from realistic-looking to fantastical. The use of VFX has become increasingly common in recent years as the technology has become more sophisticated and affordable. VFX can be used to create anything from realistic-looking creatures and environments to fantastical explosions and special effects. Some of the most popular applications of VFX include:
- Film and television: VFX is used extensively in film and television to create realistic-looking creatures, environments, and special effects.
- Video games: VFX is used to create realistic-looking characters, environments, and special effects in video games.
- Advertising: VFX is used to create attention-grabbing visuals in advertising.
- Virtual reality: VFX is used to create immersive virtual reality experiences.
