# Eyes first, head second: a small gaze-and-turn exercise

Use an original portrait to separate an eye movement from the head turn that follows, with checks for pupil direction, nose position and shoulder stability.

These original SVG/PNG teaching inputs were authored for a method exercise. No video model was run and no generated result is included. PNG files are raster counterparts of the editable SVG sources.

## Input responsibilities

Upload only the clean first frame; diagram is for review.

Use the current controls at /generator/image-to-video; check actual accepted inputs and settings before submitting.

## Goal

Brief two modest actions in a readable order: the eyes glance toward frame left while the head stays forward, then the head follows slightly and pauses. Timing remains a requested visual sequence, not a verified model control.

## Preparation

- Use a clear portrait with both eyes, nose, jaw and shoulders visible. The supplied adult is fictional and the clean input has no gaze arrows.
- Choose frame left as the gaze destination, rather than “their left,” which can be confused with the viewer’s coordinate system.
- Keep lips closed and shoulders level. Avoid adding speech, a smile, blinking instructions or a camera orbit to this two-stage exercise.
- Use the diagram to distinguish pupil displacement from a changed nose angle. It is a review guide, not an eye-tracking measurement.

## Copyable brief

```text
Use the uploaded portrait as the first frame. Keep the camera and the adult’s shoulders still. First, the eyes make a small glance toward frame left while the nose and head remain facing forward. After that glance is visible, the head turns gently a short distance toward frame left to follow the gaze. Keep the same face, hairstyle and collar, with the mouth relaxed and closed. End in a quiet slightly turned pose. Do not add speech, a large body turn or a second glance in the opposite direction.
```

## Procedure

1. **Name one screen direction** — Write “frame left” in both action clauses. Check the opening pupils and nose as separate landmarks so the direction can be judged without guessing the adult’s anatomical left.

2. **Create an eye-only interval** — Put the glance before the head follows. In review, find at least a visible interval in which pupil position changes while the nose direction remains close to the opening; do not invent a precise timecode in advance.

3. **Follow the head without moving the torso** — Inspect the head turn for a changing nose profile and jaw outline, while the collar and shoulder line remain stable. Reject a shoulder swivel that replaces the requested head action.

4. **Review the settled gaze** — Watch the final eyes and mouth, then replay the entire transition. Record whether the order was legible; a matching last pose alone cannot show that eyes led the action.

## Observation record

Use checks.csv to record pass/fail/not-observable and the earliest affected time. Do not pre-fill a pass: there is no generated clip in this package.

- Both eyes remain coherent and point in a compatible direction.
- The pupils first glance toward frame left while the head remains forward.
- The head follows toward the same side after the glance is visible.
- The nose and jaw change angle without a new facial identity appearing.
- The shoulder line and collar stay close to their starting position.
- The mouth remains relaxed and does not form speech.
- The ending holds one slight turn without an opposite glance or return cycle.

## Revise one variable

**Eyes and head turn together**: Change only the sequence clause to hold the head forward for a brief visible glance before it follows; keep movement amplitude and input unchanged.

**The pupils diverge or cross**: Reduce only the glance amplitude. Compare both eyes during the eye-only interval before adding head detail.

**The whole torso rotates**: Strengthen only the fixed shoulder-and-collar requirement, then check whether the nose can change angle without the clothing turning.

## Ending

Finish with a small settled turn and write whether the eye-leading sequence was observable. This practice does not establish a real person’s attention, emotion or intention.

## Evidence boundary

Historical parent queries: “minimax h3 image to video”, “minimax h3 prompting image to video”. Exact long-tail demand is unmeasured. Source: docs/research/pseo-keyword-gap-2026-10-05/evidence/bing-live-keywords.csv. Existing broad tutorial: /blog/portrait-video-subtle-motion. The owner offers broad portrait micro-movements; this practice explicitly separates the onset of eye motion from the later head turn and supplies a stage-by-stage worksheet.