technique
Pixilation
Capture technique
Definition
A stop-motion technique in which live human actors are used as frame-by-frame subjects instead of purpose-built puppets or clay figures. The term derives from 'pixilated' (whimsically capricious, as influenced by pixies) rather than from 'pixel', and was widely attributed to Grant Munro and Norman McLaren at the National Film Board of Canada. Precursors appear in silent cinema: Segundo de Chomón (1908) and Émile Cohl (1911). McLaren's Neighbours (1952) — winner of the Academy Award for Best Documentary Short Film — is the canonical example: live actors appear to levitate, glide and fight over a flower, embedding a pacifist message in surreal physical comedy. McLaren's A Chairy Tale (1957, co-directed with Claude Jutra) animated a domestic chair around a live actor using the same capture method. Jan Švankmajer incorporated pixilation into mixed-technique works including Food (1992). The technique reached mainstream audiences via Stephen R. Johnson's music video for Peter Gabriel's Sledgehammer (1986), which won nine MTV Music Video Awards. PES's Fresh Guacamole (2012) is frequently cited as the shortest film ever nominated for an Academy Award. In production, actors pose and shift incrementally between each captured frame on a standard stop-motion camera setup; no specialised hardware beyond the capture rig is required. Dragonframe can be used for live-view monitoring and frame capture. The aesthetic ranges from jerky mechanical movement to smooth impossible gliding depending on inter-frame displacement.
Overview
Pixilation applies the frame-by-frame discipline of stop motion to a subject that can act on its own: a living performer. Rather than posing a puppet or clay figure between exposures, the animator directs a person to hold, shift, or freeze a pose for each captured frame, then plays the resulting sequence back at a chosen rate. The name derives from "pixilated" -- whimsically eccentric, as if possessed by pixies -- a fair description of how ordinary human movement turns uncanny once continuity is broken into discrete steps.
Norman McLaren's Neighbours (1952, National Film Board of Canada) remains the technique's defining demonstration. McLaren and cameraman Wolf Koenig built the film's best-known illusion -- two men appearing to float -- by having the actors jump repeatedly and exposing a frame only at the top of each jump, so the footage shows them suspended rather than rising and falling. The same exposure discipline let McLaren compress, freeze and stutter ordinary gestures to stage an escalating fight over a flower, using slapstick pixilation to carry an anti-war argument; the film won the Academy Award for Best Documentary Short Subject in 1953.
Because the subject is a live performer rather than a fabricated character, a pixilation shoot trades puppet-rigging problems for performance-directing ones. The performer must hold a still, often physically awkward pose for as long as it takes to check focus and trip the shutter, then move to the next marked position on cue, repeating this for hundreds of exposures. Directors typically block the action at normal speed first, then decide how many frames to expose per beat: few frames per movement reads as a fast, jarring burst; many frames per movement reads smoother but still faintly unnatural.
Pixilation sits alongside puppet animation and object animation as a technique defined by its subject rather than its material -- what changes is not the frame-by-frame capture method but who or what stands in front of the camera. It has stayed a working tool for comedy, dance and commercial work precisely because it needs no fabrication, only a performer willing to freeze on command.
Digital capture adds a trap that film cameras did not have. Dragonframe records two images for every frame, a low-resolution video-assist frame from the live feed and the full-quality still, and its manual stresses that they are captured one right after the other, not at the same instant. With a puppet that makes no difference, because the puppet does not move between the two. A performer can. The manual's pixilation guidance therefore tells the animator to review only the high-resolution images (the keypad's high-res key), and suggests three capture preferences for living subjects: a Capture Delay of 0.0 seconds, so the shutter fires as soon as Shoot is pressed; a Capture Review of 2.0 seconds, so the real frame is on screen straight away; and a Capture Tone, so the performer hears when the shutter is open. For action that has to be caught as it happens, Dragonframe also offers burst capture on most Canon, Nikon, Sony and Olympus bodies. It works with one active exposure only, ignores motion-control and DMX changes during the burst, and builds the video-assist frames afterwards from the stills.
A recent worked example shows the opposite of the polished NFB tradition. For Tomás Alzamora's Chilean box-office hit Denominación de Origen (2024), animator-director Simón Bucher made a black-and-white, deliberately grainy pixilation sequence that plays like a photo album from around 1900. It stages an invented origin myth for San Carlos longaniza sausage, with a masked figure, bulb flashes that recall early photography, spurs, horseshoes and scraps of metal worked into the sausage-making ritual, and the San Carlos flag. Alzamora approached him after seeing The Feast, Bucher's pixilation horror short (co-directed with Claudia Saldivia and Amanda Rivera, Annecy 2023). Both men cited Cristóbal León and Joaquín Cociña's The Wolf House as a reference. Bucher told Cartoon Brew (Jamie Lang, 14 September 2026) that his method is "rough and dirty" on purpose: fingerprints, smudges, slightly shifted frames and irregular movement are kept as a record of the people who made the film. That is a useful counterweight to the continuity discipline described above. In pixilation, a visible wobble can be the point of the shot rather than a mistake.
Workflow
- Block the action at normal speed with the performer(s) so timing and staging are agreed before frame-by-frame shooting begins.
- Choose exposures-per-movement for each beat: fewer frames for a fast, jarring burst of motion, more frames for a smoother but still slightly uncanny result.
- Mark the performer's hold positions (floor tape, verbal cues) so each pose repeats accurately between exposures -- the same continuity discipline used for puppet stop motion.
- Expose one frame, then have the performer move to the next marked pose and hold while the next frame is captured, repeating for the length of the shot.
- For illusions such as levitation, expose only at the extreme of a repeated physical action (for example, the top of a jump) so the in-between motion never reaches the camera.
- Review the captured sequence at the intended playback rate and adjust frame count per beat before locking the shot.
- On a digital rig, review only the high-resolution stills, not the video assist, because a live performer can move between the two captures; set capture delay to zero and turn on a capture tone so the performer knows when to hold.
- For action that cannot be posed, such as a real jump or a fall, consider burst capture (one exposure only, no motion control or DMX changes during the burst), then pick frames from the burst in the timeline.