{ "decodedSize": [ 1920, 1080 ], "decodeOrVisionErrors": 0, "duplicateSourceFramePairs": 0, "durationSeconds": 18.752066666666668, "emptyDetectionFrames": 0, "frames": 469, "heldFrames": 0, "landmarkConfidenceBelow055Frames": 0, "largestContourChanges": [ { "actualSeconds": 18.651966666666667, "bboxCenterStep": 0.010619987358574903, "bboxRelativeSizeStep": 0.05204244367729771, "faceConfidence": 1, "faceCount": 1, "frame": 467, "held": false, "landmarkConfidence": 0.817047119140625, "outputAllShapeStep": 0.061719217959260164, "outputContourShapeStep": 0.06457580929340678, "points76Count": 76, "qualityReason": "", "rawAllShapeStep": 0.061719217959260164, "rawContourShapeStep": 0.06457580929340678, "rawEyeShapeStep": 0.057909273674708016, "requestedSeconds": 18.68, "resultReason": "", "trackedBoxAvailable": 1 }, { "actualSeconds": 6.3063, "bboxCenterStep": 0.009772060063233024, "bboxRelativeSizeStep": 0.013879898508151411, "faceConfidence": 1, "faceCount": 1, "frame": 158, "held": false, "landmarkConfidence": 0.842681884765625, "outputAllShapeStep": 0.0594987598669281, "outputContourShapeStep": 0.059070265481990666, "points76Count": 76, "qualityReason": "", "rawAllShapeStep": 0.0594987598669281, "rawContourShapeStep": 0.059070265481990666, "rawEyeShapeStep": 0.059058695174623185, "requestedSeconds": 6.32, "resultReason": "", "trackedBoxAvailable": 1 }, { "actualSeconds": 0.9342666666666667, "bboxCenterStep": 0.005945873831186665, "bboxRelativeSizeStep": 0.04857391780763898, "faceConfidence": 1, "faceCount": 1, "frame": 24, "held": false, "landmarkConfidence": 0.860382080078125, "outputAllShapeStep": 0.03990833410408158, "outputContourShapeStep": 0.05205992923951523, "points76Count": 76, "qualityReason": "", "rawAllShapeStep": 0.03990833410408158, "rawContourShapeStep": 0.05205992923951523, "rawEyeShapeStep": 0.03331563844059785, "requestedSeconds": 0.96, "resultReason": "", "trackedBoxAvailable": 1 }, { "actualSeconds": 1.0343666666666667, "bboxCenterStep": 0.0035810993172984357, "bboxRelativeSizeStep": 0.07745302528191012, "faceConfidence": 1, "faceCount": 1, "frame": 26, "held": false, "landmarkConfidence": 0.86907958984375, "outputAllShapeStep": 0.04015940118859808, "outputContourShapeStep": 0.05153229113886389, "points76Count": 76, "qualityReason": "", "rawAllShapeStep": 0.04015940118859808, "rawContourShapeStep": 0.05153229113886389, "rawEyeShapeStep": 0.04106869710572574, "requestedSeconds": 1.04, "resultReason": "", "trackedBoxAvailable": 1 }, { "actualSeconds": 6.8735333333333335, "bboxCenterStep": 0.011081990813070965, "bboxRelativeSizeStep": 0.041020958444265565, "faceConfidence": 1, "faceCount": 1, "frame": 172, "held": false, "landmarkConfidence": 0.861907958984375, "outputAllShapeStep": 0.04919706037542044, "outputContourShapeStep": 0.047788293575915936, "points76Count": 76, "qualityReason": "", "rawAllShapeStep": 0.04919706037542044, "rawContourShapeStep": 0.047788293575915936, "rawEyeShapeStep": 0.04811240328922642, "requestedSeconds": 6.88, "resultReason": "", "trackedBoxAvailable": 1 }, { "actualSeconds": 5.538866666666666, "bboxCenterStep": 0.009174106285954426, "bboxRelativeSizeStep": 0.0696669648408832, "faceConfidence": 1, "faceCount": 1, "frame": 139, "held": false, "landmarkConfidence": 0.86724853515625, "outputAllShapeStep": 0.04712320285757311, "outputContourShapeStep": 0.047267593615817144, "points76Count": 76, "qualityReason": "", "rawAllShapeStep": 0.04712320285757311, "rawContourShapeStep": 0.047267593615817144, "rawEyeShapeStep": 0.04635983371628053, "requestedSeconds": 5.56, "resultReason": "", "trackedBoxAvailable": 1 }, { "actualSeconds": 5.5055, "bboxCenterStep": 0.009205666419765468, "bboxRelativeSizeStep": 0.04702815798474558, "faceConfidence": 1, "faceCount": 1, "frame": 138, "held": false, "landmarkConfidence": 0.8653411865234375, "outputAllShapeStep": 0.04678117299069693, "outputContourShapeStep": 0.0464975192908153, "points76Count": 76, "qualityReason": "", "rawAllShapeStep": 0.04678117299069693, "rawContourShapeStep": 0.0464975192908153, "rawEyeShapeStep": 0.044731979492293225, "requestedSeconds": 5.52, "resultReason": "", "trackedBoxAvailable": 1 }, { "actualSeconds": 6.2729333333333335, "bboxCenterStep": 0.010523844047228498, "bboxRelativeSizeStep": 0.04067544887614405, "faceConfidence": 1, "faceCount": 1, "frame": 157, "held": false, "landmarkConfidence": 0.835052490234375, "outputAllShapeStep": 0.05580485366082702, "outputContourShapeStep": 0.045154734035835926, "points76Count": 76, "qualityReason": "", "rawAllShapeStep": 0.05580485366082702, "rawContourShapeStep": 0.045154734035835926, "rawEyeShapeStep": 0.06010488116983429, "requestedSeconds": 6.28, "resultReason": "", "trackedBoxAvailable": 1 }, { "actualSeconds": 18.7187, "bboxCenterStep": 0.00847507465061345, "bboxRelativeSizeStep": 0.001839415731091032, "faceConfidence": 1, "faceCount": 1, "frame": 468, "held": false, "landmarkConfidence": 0.81689453125, "outputAllShapeStep": 0.039795819667405995, "outputContourShapeStep": 0.043322334703151985, "points76Count": 76, "qualityReason": "", "rawAllShapeStep": 0.039795819667405995, "rawContourShapeStep": 0.043322334703151985, "rawEyeShapeStep": 0.033949487128638954, "requestedSeconds": 18.72, "resultReason": "", "trackedBoxAvailable": 1 }, { "actualSeconds": 6.973633333333333, "bboxCenterStep": 0.004802853824391058, "bboxRelativeSizeStep": 0.0033162879732389072, "faceConfidence": 1, "faceCount": 1, "frame": 175, "held": false, "landmarkConfidence": 0.850616455078125, "outputAllShapeStep": 0.029986598311175987, "outputContourShapeStep": 0.042164697332718326, "points76Count": 76, "qualityReason": "", "rawAllShapeStep": 0.029986598311175987, "rawContourShapeStep": 0.042164697332718326, "rawEyeShapeStep": 0.026900138652230798, "requestedSeconds": 7, "resultReason": "", "trackedBoxAvailable": 1 }, { "actualSeconds": 6.740066666666666, "bboxCenterStep": 0.008964342160362288, "bboxRelativeSizeStep": 0.018475143321662002, "faceConfidence": 1, "faceCount": 1, "frame": 169, "held": false, "landmarkConfidence": 0.857940673828125, "outputAllShapeStep": 0.04248999607570733, "outputContourShapeStep": 0.04199222726351612, "points76Count": 76, "qualityReason": "", "rawAllShapeStep": 0.04248999607570733, "rawContourShapeStep": 0.04199222726351612, "rawEyeShapeStep": 0.0441200591307651, "requestedSeconds": 6.76, "resultReason": "", "trackedBoxAvailable": 1 }, { "actualSeconds": 6.172833333333333, "bboxCenterStep": 0.006930516638962855, "bboxRelativeSizeStep": 0.031192722054552036, "faceConfidence": 1, "faceCount": 1, "frame": 155, "held": false, "landmarkConfidence": 0.8632049560546875, "outputAllShapeStep": 0.03366104158267517, "outputContourShapeStep": 0.04180684654646812, "points76Count": 76, "qualityReason": "", "rawAllShapeStep": 0.03366104158267517, "rawContourShapeStep": 0.04180684654646812, "rawEyeShapeStep": 0.029757180729629833, "requestedSeconds": 6.2, "resultReason": "", "trackedBoxAvailable": 1 } ], "multipleFaceFrames": 0, "nominalSourceFPS": 29.970029830932617, "outputWithout76Frames": 0, "partial76Frames": 0, "samplingFPS": 25, "scope": "Independent offline decoding and the current production detector/tracker; not FCP render logs or target execution. Shape steps remove previous bbox translation/scale, but still include actual pose/expression changes.", "sourceBasename": "girl-in-sun-hat-smiling-in-rural-field-2026-10-03-13-54-14-utc.mov", "statistics": { "bboxCenterStep": { "max": 0.011081990813070965, "median": 0.002747360384438056, "min": 0.00014653804115170532, "n": 468, "p95": 0.006589111497080662 }, "bboxRelativeSizeStep": { "max": 0.07745302528191012, "median": 0.009236047113881152, "min": 9.126808167081446e-05, "n": 468, "p95": 0.03867668227601517 }, "landmarkConfidence": { "max": 0.9249267578125, "median": 0.867706298828125, "min": 0.81689453125, "n": 469, "p95": 0.9015045166015625 }, "outputAllShapeStep": { "max": 0.061719217959260164, "median": 0.011493205285858545, "min": 0.003266396399148707, "n": 468, "p95": 0.03265326908712946 }, "outputContourShapeStep": { "max": 0.06457580929340678, "median": 0.013767751423829355, "min": 0.0022585721609373914, "n": 468, "p95": 0.03343570504134135 }, "rawAllShapeStep": { "max": 0.061719217959260164, "median": 0.011493205285858545, "min": 0.003266396399148707, "n": 468, "p95": 0.03265326908712946 }, "rawContourShapeStep": { "max": 0.06457580929340678, "median": 0.013767751423829355, "min": 0.0022585721609373914, "n": 468, "p95": 0.03343570504134135 }, "rawEyeShapeStep": { "max": 0.06010488116983429, "median": 0.010554830995294154, "min": 0.0018890160668284224, "n": 468, "p95": 0.03347895433098691 } }, "timelineOffsetSeconds": 18.72 }