Monochrome Studio Portrait

Restyle a permitted source photo as a quiet black-and-white studio half portrait while treating the face and glasses as the primary things to preserve. Monochrome Studio Portrait changes the setting, clothing treatment, light and crop around those visible anchors. Recognition remains best-effort: the final image needs comparison with the source, especially after a larger pose or coverage change.

What you get

  • One finished portrait per requested asset, defaulting to a chest/waist-up 16:9 WebP with the subject on one third and 35–50% quiet negative space. A soft charcoal-to-gray backdrop, one diffused directional key light, readable catchlights and fine irregular grain provide the studio treatment without claiming a real studio session.
  • A source-led edit brief separating Change, Preserve, Composition, Lighting and Constraints. Preserve facial/head proportions, eyes/brows/gaze, nose/mouth/jaw, skin texture/marks, hairline/hairstyle and expression/apparent age. Do not smooth, slim, enlarge eyes or reverse age into a different identity unless a specific bounded change is requested.
  • A dedicated glasses-preservation check covering frame silhouette/lens shape, rim thickness, bridge/nose pads, temples, scale, tilt, fit and tonal value. Reflections should remain plausible without hiding the eyes; removing or redesigning frames is not a default edit.
  • A restrained photographic finish: natural pores/fine lines, tactile fabric, relaxed plausible anatomy, eye-level perspective and simple unbranded urban-casual layers. Avoid theatrical shadows, plastic beauty retouching, heavy noise, invented jewelry and unwanted text/logos/watermarks.
  • The exact edit prompt, output path and concise source-versus-result QA note, with persisted task/request details when FAL is used. The installation provides guidance, prompt blueprints and an optional Node editing helper; it does not contain the user’s finished portrait or an automatic identity/glasses verifier.

Before you choose

Approve recognition before finish. Compare the face and glasses directly with the source, then judge lighting, wardrobe and grain. If the style is strong but facial geometry or frames drifted, keep it rejected and request a bounded correction instead of treating the attractive result as a successful identity-preserving edit.

Good fit

  • An editor or personal brand needs a calm profile, portfolio or social portrait from a photo they are permitted to edit.
  • A person wants a black-and-white urban-casual treatment while keeping their face and existing glasses recognizable.
  • A photographer or creator has authorized source photos and wants a consistent portrait treatment with individual visual review.

Not for

  • Passport/identity-document images, biometric matching or evidence that someone attended a real studio session.
  • Photos edited without permission or with unclear usage rights; a minor’s photo requires parent/guardian authorization under the workflow.
  • Guaranteed pixel-perfect identity after large changes to pose, angle, expression, age, hair or unseen body coverage.

How to use

You say/monochrome-studio-portrait Make my attached photo a calm black-and-white studio half portrait. Keep my face and glasses recognizable.
  1. Provide one clear authorized person photo as the edit target, not merely a style reference. State intended use or a ratio other than the 16:9 default. Optional same-person angles, desired negative-space side, clothing, background tone and grain strength can refine the brief. Do not infer sensitive traits from appearance.

  2. Inspect the source at full size and record visible facial anchors and glasses construction separately. Check how much body is actually visible: a requested half-body reconstruction can introduce drift. Prefer a modest source-led pose, natural gaze/body angle and comfortable hair/shoulder margin rather than inventing unseen anatomy.

  3. Choose one composition and write the Change/Preserve/Composition/Lighting/Constraints prompt. Repeat critical face/glasses details in the invariants. Use one large soft key roughly 30–60 degrees off camera, slightly above eye level, with shadow detail and believable catchlights. Preserve texture/age cues, keep 35–50% low-detail space and avoid unrequested retouching or brand text.

  4. Use an available requested native image editor with the same prompt contract. If native editing is unavailable, the supported external fallback is the FAL GPT Image edit helper with Node.js 20+ and server-side FAL_KEY. Before using that route, explain that FAL and its model process the source photo and obtain authorization for the paid request; host-native editing may have separate plan limits.

  5. For FAL, keep source, prompt, task and output paths distinct and save the English prompt. The helper accepts authorized local JPEG/PNG/WebP (up to 20 MB each), HTTPS references or image data URIs, with up to sixteen same-person inputs. Local references bind to byte hashes; remote references bind to URL strings, not fetched image bytes. Use one task per requested WebP output.

  6. The helper exclusively claims a task path and locks processing before submission, records settings/input fingerprints and disables provider retry/fallback. Resume the saved request after an interruption; if no request ID was captured, preserve the uncertain record and inspect provider history before approving a new task. Do not remove a task to force resubmission. A stale sibling lock is removed only after confirming the old process is stopped.

  7. FAL requests disable retrievable payload history and request account-restricted temporary CDN output, defaulting to one hour with a configurable 15-minute-to-one-day window. Download uses a short-lived token. These are requested provider-handling settings, not end-to-end encryption, no-processing or no-storage guarantees. Resume promptly before expiry and keep private photos/task records out of public repositories.

  8. Inspect the result beside the source at full size and thumbnail scale. Check facial geometry, age/expression, hair/marks, exact glasses, eyes/catchlights, natural skin, anatomy, wardrobe, light direction, quiet background, grain and unwanted branding/text. The helper checks WebP container dimensions and saved bytes/hash; it does not judge identity, glasses, exact requested ratio or visual quality.

  9. If a correction is needed, name one change while freezing approved properties; any new paid task requires authorization. Save non-destructively, preserve approved outputs and report actual format/dimensions. The FAL helper requires WebP; another format needs a separate explicit conversion/delivery step. Deliver the image, exact prompt, FAL task/request details when applicable and a concise QA note without credentials or provider tokens.

Requirements and costs

You bring
One clear photo of a person whose image you are authorized to edit · Intended use or aspect ratio when different from the 16:9 editorial default
Dependencies
FAL account and FAL_KEY - required when the host has no native image-editing tool · Node.js 20 or newer - required for the bundled FAL helper
Outside costs
FAL GPT Image usage charges apply to each submitted edit task; native host generation may have separate plan limits.
Publisher testing
v1.0.0 — Claude Code / Claude Desktop / Cowork / Codex / ChatGPT

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