"Rotoscoping is an animation technique in which animators trace over footage, frame by frame, for use in live-action and animated films. Originally, recorded live-action film images were projected onto a frosted glass panel and re-drawn by an animator." wikipedia.org

NUKE is a node-based digital compositing software produced and distributed by The Foundry, and used for film and television post-production. wikipedia.org

Adobe Photoshop is a graphics editing program developed and published by Adobe Systems Incorporated. wikipedia.org

Adobe After Effects is a digital motion graphics and compositing software published by Adobe Systems, used in the post-production process of filmmaking and television production. wikipedia.org

Compositing is the combining of visual elements from separate sources into single images, often to create the illusion that all those elements are parts of the same scene. Live-action shooting for compositing is variously called "chroma key", "blue screen", "green screen" and other names. wikipedia.org

Imagineer Systems Limited is a software company that specializes in the development and maintenance of several visual effects (vfx) software applications, used throughout all levels of film, video and broadcast post-production. wikipedia.org

Chroma key compositing (or chroma keying) is a technique for compositing (layering) two images together. A color range in the top layer is made transparent, revealing another image behind. The chroma keying technique is commonly used in video production and post-production. wikipedia.org

PFTrack is a node-based 3D camera tracking and matchmoving application developed by the The Pixel Farm. It features plate preparation tools, lens distortion management, single-camera and stereoscopic 3D camera tracking, and image-based modelling and scene reconstruction.