Insights
Every measurement, explained.Every method, stated.
One page per proportion — the diagram, the formula, reference values by population, how it is scored — and one per bone-level measurement, showing how a photograph gives its equivalent.
Measurements we report 18
Tier A · tight intervalIntercanthal distance : palpebral fissure lengthEyes
Tier A · tight intervalAlar base width : intercanthal distanceNose
Tier A · tight intervalMouth width : alar base widthLips
Tier A · tight intervalUpper : lower vermilion heightLips
Tier A · tight intervalPhiltrum length : chin heightLower face
Tier A · tight intervalPalpebral fissure height : lengthEyes
Tier A · tight intervalMorphological face height : bizygomatic widthWhole face
Tier A · tight intervalBizygomatic width : physiognomic face heightWhole face
Tier A · tight intervalFacial thirdsWhole face
Tier A · tight intervalFacial fifthsWhole face
Tier A · tight intervalOral commissure tiltLips
Tier B · wide intervalCanthal tiltEyes
Tier B · wide intervalBrow apex positionEyes
Tier B · wide intervalBigonial : bizygomatic widthJaw
Tier B · wide intervalNasal indexNose
Tier B · wide intervalBilateral asymmetry indexWhole face
Tier B · wide intervalEye–mouth distance : face length (Pallett)Whole face
Tier B · wide intervalInterpupillary distance : face width (Pallett)Eyes
Skin analysis 6
Skin · lighting-dependentRedness (a* proxy)Skin
Skin · lighting-dependentUnder-eye darkness (ΔL*)Skin
Skin · lighting-dependentLocal texture (pore / fine-line proxy)Skin
Skin · lighting-dependentDiscrete red/dark spots (count by region)Skin
Skin · lighting-dependentTone uniformity across regionsSkin
Skin · lighting-dependentSpecular highlight fraction (T-zone)Skin
Bone-level measurements, and how a photo gives them 11
Photographic equivalent
bonyGonial angleJaw taper (soft-tissue angle from the jaw angle to the chin, levelled to your pupils) and …
Photographic equivalent
bonyRamus : mandibular body ratioJaw taper and jaw:cheek width. The vertical ramus is hidden in any photo, so the ratio is …
Photographic equivalent
lateralNasofrontal, nasofacial, nasolabial, mentolabial & cervicomental anglesChin–lip direction (behind / level / ahead of the nose-tip→chin line), forehead slope and …
Photographic equivalent
lateralRicketts E-line, Steiner S-line, Holdaway H-lineChin–lip direction from your profile: a direction and a share of the nose-tip→chin distanc…
Photographic equivalent
bonyOrbital vector / infraorbital rim positionUnder-eye darkness (ΔL*), eye openness and canthal tilt — the parts of the orbit a photo c…
Photographic equivalent
inventedOgee curve scoreCheek shading in the ¾ view (light on the cheekbone vs a flat mid-cheek) and midface width…
Photographic equivalent
refutedGolden ratio / Marquardt Phi mask fitThe measured optima instead of 1.618: Pallett's ratios (0.36 vertical, 0.46 horizontal), w…
Photographic equivalent
refutedFacial width-to-height ratio (fWHR)Width:height with your hairline placed (auto-detected or from your hair-back photo), score…
Photographic equivalent
lateralChin projection vs a bony reference plane (zero meridian, etc.)Chin–lip direction from the profile and chin share of the lower face from the front, with …
Photographic equivalent
uncalibratedFitzpatrick type / Individual Typology Angle from RGBSkin depth (L*), undertone, chroma and colour season from a white-balanced sample — descri…
Photographic equivalent
scaleAny absolute measurement in millimetresEverything as ratios of your own features (iris width, inter-pupil distance, face height) …