Visual Effects encompasses a wide range of techniques utilized in creating illusions or enhancing live-action footage in film and video production. It involves combining computer-generated imagery (CGI) and photography to create environments, characters, and effects that cannot be produced in a traditional filmmaking process.
The earliest examples of visual effects can be traced back to the 1800s, where in-camera effects such as double exposure and matte painting were used in silent films.
With the advent of computer technology in the 1970s, visual effects began to advance rapidly, and eventually, films like Star Wars and Tron became pioneers in using CGI.
In the 21st century, visual effects have continued to progress with the utilization of motion capture technology and improved rendering techniques, resulting in increasingly realistic visual effects.
Founded by George Lucas, Industrial Light & Magic (ILM) specializes in creating visual effects for blockbuster films such as Star Wars, Jurassic Park, and The Avengers.
Based in New Zealand, Weta Digital is known for its work on The Lord of the Rings trilogy, Avatar, and The Hobbit trilogy, among others.
Founded by James Cameron, Stan Winston, and Scott Ross, Digital Domain has worked on films like Titanic, The Curious Case of Benjamin Button, and Spider-Man: Homecoming.
One of the most common visual effects techniques used, CGI involves creating digital images that can be integrated with live-action footage.
Compositing involves combining multiple images or elements into a single, seamless image.
Motion capture technology involves recording the movements of human actors or objects and then using that data to animate digital characters or objects.
Visual effects can create worlds and characters that could not exist in real life, enhance the realism of live-action footage, and create spectacle and excitement for audiences.
Some of the most common software used in visual effects include Nuke, Maya, Houdini, and Adobe After Effects.
Filmmakers consider factors such as cost, time, and realism when deciding between practical or CG effects.
The first use of visual effects can be traced back to the 1890s, where filmmakers used double exposure and multiple exposures to create simple effects such as ghosts or disappearances.
The amount of time it takes to create visual effects for a film can vary greatly depending on the complexity and length of the shots. It can take anywhere from a few weeks to several months or even years.