Face Detect Response Explained

The following are the output attributes from the Face Detect API (Check the user guide for Face Detect API here)

Attribute Name
Definition
Value Range
“face_id_X” The reference ID number of faces detected in the image. For 5 Faces in one picture, Face ID will be as follows:

– “face_id_0”

– “face_id_1”

– “face_id_2”

– “face_id_3”

– “face_id_4”

“age” Result of Age analysis.
Value in the age group range
Age range values are:

– “0-10”

– “10-20”

– “20-40”

– “40-60”

– “60-100”

“face_rectangle” Bounding Box Param 4 coordinate value of the bounding box of the detected face. Used as param for Face recognition
“gender” Result of Gender Analysis Values are:

– Male

– Female

“gender_confidence” The confidence level of Gender Analysis Comes in a value range of 0.501 to 1.00
“image_size” Size of the image provided Whole image size (height x width) in pixels

Facial Landmarks

Face detect API extracts 68 landmark points of the face and provides the 2 coordinate location of each landmark point

Landmark points

1. Jawline

“face_endpoint_0” Point: 0  jawline
“face_endpoint_1” Point: 1
“face_endpoint_2” Point: 2
“face_endpoint_3” Point: 3
“face_endpoint_4” Point: 4
“face_endpoint_5” Point: 5
“face_endpoint_6” Point: 6
“face_endpoint_7” Point: 7
“face_endpoint_9” Point: 9
“chin” Point: 8
“face_endpoint_10” Point: 10
“face_endpoint_11” Point: 11
“face_endpoint_12” Point: 12
“face_endpoint_13” Point: 13
“face_endpoint_14” Point: 14
“face_endpoint_15” Point: 15
“face_endpoint_16” Point: 16

2. Left Eyebrow

“leftEyebrowLeftCorner” Point: 17  left eye
“leftEyebrowMiddle3” Point: 18
“leftEyebrowMiddle2” Point: 19
“leftEyebrowMiddle1” Point: 20
“leftEyebrowRightCorner” Point: 21
“rightEyebrowLeftCorner” Point : 22  right eye
“rightEyebrowMiddle3” Point : 23
“rightEyebrowMiddle2” Point : 24
“rightEyebrowMiddle1” Point : 25
“rightEyebrowRightCorner” Point : 26

4. Nose

“noseTop1” Point : 27  nose
“noseTop2” Point : 28
“noseLower1” Point : 29
“noseLower2” Point : 30
“noseRootLeft” Point : 31
“nosePoint1” Point : 32
“noseTip” Point : 33
“nosePoint3” Point : 34
“noseRootRight” Point : 35

5. Left Eye

“leftEyeLeftCorner” Point: 36  left eye
“leftEyeTop2” Point: 37
“leftEyeTop1” Point: 38
“leftEyeRightCorner” Point: 39
“leftEyeBottom1” Point: 40
“leftEyeBottom2” Point: 41

6. Right Eye

“rightEyeLeftCorner” Point : 42  right eye
“rightEyeTop1” Point : 43
“rightEyeTop2” Point : 44
“rightEyeRightCorner” Point : 45
“rightEyeBottom1” Point : 46
“rightEyeBottom2” Point : 47

7. Mouth

“mouthLeft” Point : 48  mouth
“upperLipPoint1” Point : 49
“upperLipPoint2” Point : 50
“underLipPoint3” Point : 51
“underLipPoint4” Point : 52
“upperLipPoint5” Point : 53
“mouthRight” Point : 54
“LowerLipPoint4” Point : 55
“LowerLipPoint5” Point : 56
“LowerLipPoint6” Point : 57
“LowerLipPoint7” Point : 58
“LowerLipPoint8” Point : 59
“upperLipPoint6” Point : 60
“underLipPoint7” Point : 61
“underLipPoint8” Point : 62
“upperLipPoint9” Point : 63
“upperLipPoint10” Point: 64
“LowerLipPoint1” Point : 65
“LowerLipPoint2” Point : 66
“LowerLipPoint3” Point : 67
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