What changed
The open source LandmarkDiff project ships symmetry analysis beside its surgery preview demo. The README on dreamlessx/LandmarkDiff-public says users can upload a photo and get per region symmetry scores in seconds on CPU.
The tool maps left side face points across a midline from forehead to chin. It scores eyes, brows, cheeks, mouth, and jaw from 0 to 100. Green, yellow, and red overlays mark high, mild, or notable asymmetry. Scores scale by eye distance so phone selfies stay fair across face size.
This ties to looksmaxxing interest in a golden ratio face chart and face rating apps. LandmarkDiff targets surgery planning visuals. Its symmetry tab still gives the numeric breakdown many people want from a face symmetry checker.
Why it matters
AI face tools spread fast on social feeds. Open code lets reporters and clinicians see how symmetry numbers are built. They do not need to trust a black box score alone. LandmarkDiff also lists clinical flags for cases like Bell palsy or keloid risk. Good face rating content should mention those limits.
Readers who hold a golden ratio face poster next to the demo should know LandmarkDiff measures left and right landmark gaps, not phi ratios. That gap stops false precision when you explain an attractiveness score to friends.
Golden ratio face context in the symmetry tab
LandmarkDiff does not print a phi value in the README symmetry section. It does report region scores that many golden ratio face tutorials map to harmony checks. Treat those tutorials as cultural guides, not medical rules.
For a consumer walkthrough of free tests, see the FreePSL review. Browse more tools on the Looksmaxxing desk. The Hugging Face demo linked from the repo runs symmetry mode without a local GPU install.
The demo also offers a before and after mode. You can upload two photos and see how a simulated procedure shifted symmetry by region. That helps creators show what changed without claiming a perfect golden ratio match.
Who is affected
Looksmaxxing creators who review face analysis AI should cite LandmarkDiff when they discuss symmetry overlays. App founders who build beauty score features can compare their midline math to the landmark pairs in the README. Users who take a face attractiveness test for fun should treat scores as info, not as a verdict on worth.
Clinic staff should not use demo symmetry output as a diagnosis. It is a planning aid tied to elective surgery simulation, not a lab test.
What to do next
Open the LandmarkDiff demo and run single photo symmetry mode on a test selfie you own. Read the symmetry table in the README. Note which regions shift after a simulated rhinoplasty preview. Compare results to any golden ratio face checklist you already use. Write down where the methods differ.
Do not upload minors without parental control of the account. Keep private photos off shared drives when you test.
What to watch
Watch the LandmarkDiff repo for MICCAI 2026 paper updates and 3D roadmap items. Watch whether the demo adds explicit proportion metrics beyond left and right symmetry. Watch store policies on face rating apps after new privacy guidance in your region.
Watch how creators label AI edited before and after posts. Viewers should know symmetry deltas are simulated, not measured in a clinic.
LandmarkDiff lists six procedure types in its README table, from rhinoplasty to mentoplasty. Symmetry scores still run on the base photo even if you only preview one procedure. That helps you discuss how a change might affect left and right balance before you share a morph online.
MediaPipe supplies the underlying face mesh. Updates to that library can shift scores slightly for the same JPEG. Pin versions if you reproduce content for a series on golden ratio face myths versus measured symmetry.
The README lists Fitzpatrick stratified eval as a project goal. That matters when you discuss fairness next to symmetry scores in public posts.
Photo: SHVETS production / Pexels
Sources
- Primary — dreamlessx, LandmarkDiff README symmetry section (2026). Region scores, demo modes, and normalization method.
- Primary — dreamlessx, LandmarkDiff Hugging Face demo (2026). Live symmetry analysis tab described in the README.
- Secondary — dreamlessx, LandmarkDiff documentation site (2026). Project docs linked from the repository header.
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