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Computer applications and technologies have revolutionized the film industry, enabling the creation of visually stunning and immersive movies through techniques like Visual Effects (VFX), Computer-Generated Imagery (CGI), and more. Here are some key computer applications and technologies used in movie production:

1. 3D Modeling and Animation Software: Applications like Autodesk Maya, Blender, and Cinema 4D are used to create 3D models, characters, and environments. These tools allow artists to sculpt, rig, animate, and render lifelike and fantastical elements.

2. Computer-Generated Imagery (CGI): CGI involves using computer-generated visuals to create realistic or fantastical scenes that would be impossible or too dangerous to film in reality. This includes creatures, environments, and complex visual sequences.

3. Visual Effects (VFX) Software: VFX software like Adobe After Effects and Nuke are used to composite various elements, enhance scenes, and create special effects. VFX artists can add explosions, particle effects, and manipulate scenes to match the director's vision.

4. Motion Capture Technology: Motion capture technology, like Vicon and OptiTrack systems, records the movements of actors and translates them into digital characters. This technology is used for creating realistic movement in animated characters and creatures.

5. Green Screen Technology (Chroma Keying): Green screens allow filmmakers to shoot scenes in front of a green backdrop, which can later be replaced with digitally created backgrounds during post-production using software like Adobe Premiere Pro.

6. Virtual Production Tools: Virtual production tools like Unreal Engine and Unity enable filmmakers to create and explore virtual environments in real time. This technology has been used to create entire worlds for movies and TV shows.

7. Rendering Software: Rendering software like Pixar's RenderMan and Arnold produce the final, high-quality images from 3D models and scenes, adding lighting, shadows, and textures.

8. Editing Software: Applications like Adobe Premiere Pro and Final Cut Pro are used to edit and assemble the footage, sound, and visual effects into a coherent movie.

9. Sound Design and Mixing Software: Sound design software like Pro Tools and Adobe Audition is used to create and edit audio effects, music, and dialogue. These tools are essential for creating immersive auditory experiences.

10. Compositing Software: Compositing software like Nuke and Adobe After Effects combine multiple elements, such as live-action footage, CGI, and VFX, into a single scene.

11. Digital Intermediate (DI) Tools: DI tools like DaVinci Resolve are used to color correct and enhance the overall look of the film during post-production.

12. Simulations and Dynamics Software: Tools like Houdini are used to create complex simulations like water, fire, cloth, and hair, adding realism to scenes.

These computer applications and technologies play a pivotal role in modern movie-making, allowing filmmakers to create visually impressive and captivating films that push the boundaries of imagination.