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Launch ready Session 3 · Video Interactive

Frame-by-Frame Coherence Viewer

Temporal drift becomes evidence. Step through still frames with onion-skin and difference views to see exactly what changed, drifted, or broke between one frame and the next.

tools/frame-by-frame-coherence-viewer/

Live preview · launch for the interactive version

§ A · What it makes visible

three hidden mechanisms
Fig. 01

Frame stepping

Move one frame at a time instead of letting motion hide the seams.

Fig. 02

Onion-skin

Ghost the previous frame under the current one to make small shifts visible.

Fig. 03

Difference view

Highlight only what changed — drift, morphing, and discontinuity stand out.

§ B · How to investigate it

run it like an experiment, not a toy
01 · Predict

Before stepping

Predict where coherence will break across the clip.

guess: hands and faces drift
02 · Change one thing

Toggle one view

Switch from playback to onion-skin; keep the same clip.

play → onion-skin
03 · Compare evidence

Read the seams

Which features stay anchored? Which slide between frames?

background holds; subject drifts
04 · Name it

Name the failure

Not 'glitchy' — name it: drift, morph, or discontinuity.

drift = unanchored detail

§ C · Debrief questions

after the investigation
Where did coherence break first, and why there?
What does onion-skin reveal that playback hides?
Which drift is a failure, and which is acceptable?
What would a model need to remember to fix it?

§ D · Related

pairs well with · use in context