AILabTools API - Facial Landmarks - API

Request

• URL: https://www.ailabapi.com/api/portrait/analysis/face-key-points
• Method: POST
• Content-Type: multipart/form-data

Image requirements

• Image format: JPEG JPG BMP PNG
• Image size: No more than 8 MB.
• Image resolution: Less than 1920x1080px.

Header

Field	Required	Type	Description
ailabapi-api-key	YES	string	Application API KEY.

Body

Field	Required	Type	Scope	Defaults	Example	Description
image	YES	file
max_face_num	NO	integer	1 2 3 4 5 6 7 8 9 10	1		The maximum number of faces to process. The default value is 1 (only the face with the largest area in the image is detected).
face_field	NO	string	age gender landmark4 landmark72 landmark150 landmark201		age,gender,landmark4	Returns more information about the face (by default only face_token, face frame, probability and rotation angle are returned). age: Age information. gender: Gender information. landmark4: 4 feature points. landmark72: 72 feature points. landmark150: 150 feature points. landmark201: 201 feature points.

Response

Parameters

Field	Type	Scope	Description
error_code	integer		Status Code.
error_code_str	string		Error Code.
error_msg	string		Error Message.
request_id	string		Request ID.
log_id	string		Log ID.
result	object		The content of the result data returned.
+face_num	integer		The number of faces in the picture.
+face_list	array		List of face information.
++face_token	string		Face Token.
++location	object		The position of the face in the picture.
+++left	float		The distance of the face area from the left border.
+++top	float		The distance of the face area from the upper boundary.
+++width	float		The width of the face area.
+++height	float		The height of the face area.
+++rotation	integer	[-180, 180]	The clockwise rotation angle of the face frame with respect to the vertical direction.
++face_probability	float	[0, 1]	Face confidence.
++angle	object		Face rotation parameters, refer to Face Spatial Pose Angle Reference for detailed description.
+++yaw	float	[-90, 90]	The left and right rotation angle of 3D rotation.
+++pitch	float	[-90, 90]	Three-dimensional rotation of the pitch angle.
+++roll	float	[-180, 180]	In-plane rotation angle.
++age	float		Age.
++gender	object		Gender information.
+++type	string	male female
+++probability	float	[0, 1]	Gender confidence.
++landmark4	array		4 feature points.
++landmark72	array		72 feature points. Refer to 72 feature points for details.
++landmark150	object		150 feature points. Refer to 150 feature points for details.
++landmark201	object		201 feature points. Refer to 201 feature points for details.

Example

JSON

{
  "error_code": 0,
  "error_code_str": "",
  "error_msg": "",
  "request_id": "",
  "log_id": "",
  "result": {
    "face_num": "",
    "face_list": [
      {
        "face_token": "",
        "location": {
          "left": 0,
          "top": 0,
          "width": 0,
          "height": 0,
          "rotation": 0
        }
      }
    ],
    "face_probability": 0,
    "angle": [
      {
        "yaw": 0,
        "pitch": 0,
        "roll": 0
      }
    ],
    "age": 0,
    "gender": [
      {
        "type": "",
        "probability": 0
      }
    ],
    "landmark4": [],
    "landmark72": [],
    "landmark150": {},
    "landmark201": {}
  }
}

landmark4

[
  {
    "x": 148.37,
    "y": 100.59
  },
  {
    "x": 234.82,
    "y": 90.52
  },
  {
    "x": 199.34,
    "y": 135.81
  },
  {
    "x": 203.17,
    "y": 179.29
  }
]

landmark72

[
  {
    "x": 100.08,
    "y": 122.9
  },
  {
    "x": 106.77,
    "y": 149.07
  },
  {
    "x": 115.46,
    "y": 174.85
  },
  {
    "x": 127.3,
    "y": 199.99
  },
  {
    "x": 151.98,
    "y": 222.51
  },
  {
    "x": 181.8,
    "y": 235.05
  },
  {
    "x": 209.56,
    "y": 236.15
  },
  {
    "x": 235.09,
    "y": 227.11
  },
  {
    "x": 259.5,
    "y": 205.96
  },
  {
    "x": 274.62,
    "y": 178.35
  },
  {
    "x": 279.28,
    "y": 151.9
  },
  {
    "x": 280.94,
    "y": 125.59
  },
  {
    "x": 280.4,
    "y": 99.89
  },
  {
    "x": 128.11,
    "y": 106.45
  },
  {
    "x": 136.37,
    "y": 97.92
  },
  {
    "x": 146.18,
    "y": 94.09
  },
  {
    "x": 156.75,
    "y": 95.54
  },
  {
    "x": 167.29,
    "y": 102.81
  },
  {
    "x": 157.75,
    "y": 105.5
  },
  {
    "x": 147.51,
    "y": 107.65
  },
  {
    "x": 137.1,
    "y": 108.02
  },
  {
    "x": 148.37,
    "y": 100.59
  },
  {
    "x": 111.06,
    "y": 88.35
  },
  {
    "x": 120.9,
    "y": 71.46
  },
  {
    "x": 136.29,
    "y": 64.57
  },
  {
    "x": 152.5,
    "y": 62.86
  },
  {
    "x": 168.22,
    "y": 70.9
  },
  {
    "x": 153.23,
    "y": 72.9
  },
  {
    "x": 137.92,
    "y": 74.23
  },
  {
    "x": 123.75,
    "y": 79.02
  },
  {
    "x": 217.95,
    "y": 97.14
  },
  {
    "x": 226.23,
    "y": 87.37
  },
  {
    "x": 236.37,
    "y": 83.63
  },
  {
    "x": 246.55,
    "y": 84.88
  },
  {
    "x": 256.18,
    "y": 91.67
  },
  {
    "x": 248.15,
    "y": 95.06
  },
  {
    "x": 238.3,
    "y": 97.02
  },
  {
    "x": 227.85,
    "y": 97.26
  },
  {
    "x": 234.82,
    "y": 90.52
  },
  {
    "x": 210.71,
    "y": 65.97
  },
  {
    "x": 223.61,
    "y": 54.58
  },
  {
    "x": 238.8,
    "y": 52.63
  },
  {
    "x": 254.62,
    "y": 55.99
  },
  {
    "x": 266.84,
    "y": 69.55
  },
  {
    "x": 253.78,
    "y": 63.55
  },
  {
    "x": 239.71,
    "y": 62.6
  },
  {
    "x": 225.24,
    "y": 64.54
  },
  {
    "x": 181.11,
    "y": 101.65
  },
  {
    "x": 179.98,
    "y": 117.06
  },
  {
    "x": 178.41,
    "y": 132.61
  },
  {
    "x": 174.58,
    "y": 150.84
  },
  {
    "x": 187.7,
    "y": 148.58
  },
  {
    "x": 212.42,
    "y": 145.66
  },
  {
    "x": 223.67,
    "y": 144.55
  },
  {
    "x": 215.58,
    "y": 127.75
  },
  {
    "x": 210.32,
    "y": 113.35
  },
  {
    "x": 205.05,
    "y": 98.7
  },
  {
    "x": 199.34,
    "y": 135.81
  },
  {
    "x": 164.93,
    "y": 181.13
  },
  {
    "x": 183.01,
    "y": 172.43
  },
  {
    "x": 202.75,
    "y": 169.17
  },
  {
    "x": 221.78,
    "y": 167.99
  },
  {
    "x": 238.94,
    "y": 172.43
  },
  {
    "x": 224.92,
    "y": 186.73
  },
  {
    "x": 204.97,
    "y": 193.61
  },
  {
    "x": 183.27,
    "y": 191.76
  },
  {
    "x": 184.52,
    "y": 179
  },
  {
    "x": 203.5,
    "y": 177.11
  },
  {
    "x": 221.54,
    "y": 174.5
  },
  {
    "x": 221.62,
    "y": 178.9
  },
  {
    "x": 203.77,
    "y": 182.13
  },
  {
    "x": 184.82,
    "y": 183.2
  }
]

landmark150

{
  "cheek_right_1": {
    "x": 101.17,
    "y": 125.61
  },
  "cheek_right_3": {
    "x": 108.34,
    "y": 151.5
  },
  "cheek_right_5": {
    "x": 117.67,
    "y": 177.31
  },
  "cheek_right_7": {
    "x": 130.68,
    "y": 202.68
  },
  "cheek_right_9": {
    "x": 155.9,
    "y": 224.62
  },
  "cheek_right_11": {
    "x": 183.48,
    "y": 237
  },
  "chin_2": {
    "x": 209.95,
    "y": 239.3
  },
  "cheek_left_11": {
    "x": 235.23,
    "y": 228.95
  },
  "cheek_left_9": {
    "x": 258.09,
    "y": 207.98
  },
  "cheek_left_7": {
    "x": 273.18,
    "y": 182.04
  },
  "cheek_left_5": {
    "x": 278.9,
    "y": 155.82
  },
  "cheek_left_3": {
    "x": 281.37,
    "y": 129.89
  },
  "cheek_left_1": {
    "x": 281.27,
    "y": 104
  },
  "eye_right_corner_right": {
    "x": 126.49,
    "y": 107.15
  },
  "eye_right_eyelid_upper_2": {
    "x": 135.48,
    "y": 99.09
  },
  "eye_right_eyelid_upper_4": {
    "x": 145.41,
    "y": 95.26
  },
  "eye_right_eyelid_upper_6": {
    "x": 156.55,
    "y": 95.97
  },
  "eye_right_corner_left": {
    "x": 167.67,
    "y": 102.29
  },
  "eye_right_eyelid_lower_6": {
    "x": 157.7,
    "y": 105.12
  },
  "eye_right_eyelid_lower_4": {
    "x": 147.3,
    "y": 107.23
  },
  "eye_right_eyelid_lower_2": {
    "x": 136.69,
    "y": 107.99
  },
  "eye_right_eyeball_center": {
    "x": 147.73,
    "y": 101.24
  },
  "eyebrow_right_corner_right": {
    "x": 110.57,
    "y": 89.54
  },
  "eyebrow_right_upper_2": {
    "x": 120.47,
    "y": 73.12
  },
  "eyebrow_right_upper_3": {
    "x": 135.87,
    "y": 65.44
  },
  "eyebrow_right_upper_4": {
    "x": 152.49,
    "y": 62.99
  },
  "eyebrow_right_corner_left": {
    "x": 168.56,
    "y": 71.02
  },
  "eyebrow_right_lower_3": {
    "x": 153.5,
    "y": 73.48
  },
  "eyebrow_right_lower_2": {
    "x": 137.76,
    "y": 75.1
  },
  "eyebrow_right_lower_1": {
    "x": 123.22,
    "y": 80.01
  },
  "eye_left_corner_right": {
    "x": 217.73,
    "y": 96.79
  },
  "eye_left_eyelid_upper_2": {
    "x": 226.52,
    "y": 87.81
  },
  "eye_left_eyelid_upper_4": {
    "x": 236.75,
    "y": 84.47
  },
  "eye_left_eyelid_upper_6": {
    "x": 246.87,
    "y": 85.94
  },
  "eye_left_corner_left": {
    "x": 256.55,
    "y": 92.03
  },
  "eye_left_eyelid_lower_6": {
    "x": 248.11,
    "y": 94.97
  },
  "eye_left_eyelid_lower_4": {
    "x": 238.51,
    "y": 96.62
  },
  "eye_left_eyelid_lower_2": {
    "x": 227.92,
    "y": 97.09
  },
  "eye_left_eyeball_center": {
    "x": 234.6,
    "y": 91.21
  },
  "eyebrow_left_corner_right": {
    "x": 209.77,
    "y": 65.78
  },
  "eyebrow_left_upper_2": {
    "x": 222.84,
    "y": 54.59
  },
  "eyebrow_left_upper_3": {
    "x": 238.19,
    "y": 53.33
  },
  "eyebrow_left_upper_4": {
    "x": 253.34,
    "y": 57.53
  },
  "eyebrow_left_corner_left": {
    "x": 265.02,
    "y": 71.1
  },
  "eyebrow_left_lower_3": {
    "x": 252.29,
    "y": 65.16
  },
  "eyebrow_left_lower_2": {
    "x": 238.71,
    "y": 63.77
  },
  "eyebrow_left_lower_1": {
    "x": 224.35,
    "y": 65.26
  },
  "nose_right_contour_1": {
    "x": 181.9,
    "y": 101.3
  },
  "nose_right_contour_2": {
    "x": 181.22,
    "y": 116.47
  },
  "nose_right_contour_3": {
    "x": 180.7,
    "y": 131.63
  },
  "nose_right_contour_4": {
    "x": 175.99,
    "y": 149.51
  },
  "nose_right_contour_6": {
    "x": 189.48,
    "y": 147.54
  },
  "nose_left_contour_6": {
    "x": 212.47,
    "y": 145.01
  },
  "nose_left_contour_4": {
    "x": 224.05,
    "y": 143.94
  },
  "nose_left_contour_3": {
    "x": 216.34,
    "y": 127.18
  },
  "nose_left_contour_2": {
    "x": 211.14,
    "y": 112.7
  },
  "nose_left_contour_1": {
    "x": 205.92,
    "y": 98.39
  },
  "nose_tip": {
    "x": 200.89,
    "y": 133.62
  },
  "mouth_corner_right_outer": {
    "x": 162.41,
    "y": 181.04
  },
  "mouth_lip_upper_outer_3": {
    "x": 181.13,
    "y": 171.24
  },
  "mouth_lip_upper_outer_6": {
    "x": 202.44,
    "y": 167.4
  },
  "mouth_lip_upper_outer_9": {
    "x": 222.59,
    "y": 166.76
  },
  "mouth_corner_left_outer": {
    "x": 240.34,
    "y": 172.33
  },
  "mouth_lip_lower_outer_9": {
    "x": 224.86,
    "y": 187.02
  },
  "mouth_lip_lower_outer_6": {
    "x": 204.89,
    "y": 193.86
  },
  "mouth_lip_lower_outer_3": {
    "x": 182.58,
    "y": 191.98
  },
  "mouth_lip_upper_inner_3": {
    "x": 182.7,
    "y": 177.96
  },
  "mouth_lip_upper_inner_6": {
    "x": 203.38,
    "y": 176.09
  },
  "mouth_lip_upper_inner_9": {
    "x": 222.51,
    "y": 173.73
  },
  "mouth_lip_lower_inner_9": {
    "x": 221.9,
    "y": 179.01
  },
  "mouth_lip_lower_inner_6": {
    "x": 203.69,
    "y": 182.54
  },
  "mouth_lip_lower_inner_3": {
    "x": 183.96,
    "y": 183.65
  },
  "cheek_right_2": {
    "x": 104.6,
    "y": 138.43
  },
  "cheek_right_4": {
    "x": 112.96,
    "y": 164.49
  },
  "cheek_right_6": {
    "x": 123.26,
    "y": 190.89
  },
  "cheek_right_8": {
    "x": 142.17,
    "y": 214.95
  },
  "cheek_right_10": {
    "x": 169.18,
    "y": 232.05
  },
  "chin_1": {
    "x": 196.41,
    "y": 239.76
  },
  "chin_3": {
    "x": 223.56,
    "y": 235.7
  },
  "cheek_left_10": {
    "x": 247.53,
    "y": 219.37
  },
  "cheek_left_8": {
    "x": 266.71,
    "y": 195.68
  },
  "cheek_left_6": {
    "x": 276.63,
    "y": 169.29
  },
  "cheek_left_4": {
    "x": 280.27,
    "y": 142.91
  },
  "cheek_left_2": {
    "x": 281.37,
    "y": 116.87
  },
  "eyebrow_right_upper_1": {
    "x": 110.33,
    "y": 86.28
  },
  "eyebrow_right_upper_5": {
    "x": 167.9,
    "y": 65.41
  },
  "eyebrow_left_upper_1": {
    "x": 209.28,
    "y": 60.27
  },
  "eyebrow_left_upper_5": {
    "x": 264.85,
    "y": 68.07
  },
  "eye_right_eyelid_upper_1": {
    "x": 130.38,
    "y": 102.52
  },
  "eye_right_eyelid_upper_3": {
    "x": 140.08,
    "y": 96.4
  },
  "eye_right_eyelid_upper_5": {
    "x": 151.2,
    "y": 94.82
  },
  "eye_right_eyelid_upper_7": {
    "x": 162.52,
    "y": 98.42
  },
  "eye_right_eyelid_lower_7": {
    "x": 162.65,
    "y": 103.84
  },
  "eye_right_eyelid_lower_5": {
    "x": 152.66,
    "y": 106.6
  },
  "eye_right_eyelid_lower_3": {
    "x": 142,
    "y": 108.14
  },
  "eye_right_eyelid_lower_1": {
    "x": 131.72,
    "y": 107.84
  },
  "eye_right_eyeball_right": {
    "x": 138.8,
    "y": 103.02
  },
  "eye_right_eyeball_left": {
    "x": 156.44,
    "y": 100.95
  },
  "eye_left_eyelid_upper_1": {
    "x": 221.4,
    "y": 91.57
  },
  "eye_left_eyelid_upper_3": {
    "x": 231.34,
    "y": 85.37
  },
  "eye_left_eyelid_upper_5": {
    "x": 242.07,
    "y": 84.4
  },
  "eye_left_eyelid_upper_7": {
    "x": 252.15,
    "y": 88.32
  },
  "eye_left_eyelid_lower_7": {
    "x": 252.22,
    "y": 93.63
  },
  "eye_left_eyelid_lower_5": {
    "x": 243.5,
    "y": 96.25
  },
  "eye_left_eyelid_lower_3": {
    "x": 233.22,
    "y": 97.32
  },
  "eye_left_eyelid_lower_1": {
    "x": 222.85,
    "y": 97.09
  },
  "eye_left_eyeball_right": {
    "x": 226.11,
    "y": 92.86
  },
  "eye_left_eyeball_left": {
    "x": 243.41,
    "y": 90.77
  },
  "nose_bridge_1": {
    "x": 194.72,
    "y": 99.62
  },
  "nose_bridge_2": {
    "x": 197.27,
    "y": 114.38
  },
  "nose_bridge_3": {
    "x": 199.84,
    "y": 129.18
  },
  "nose_right_contour_5": {
    "x": 184.36,
    "y": 154.78
  },
  "nose_right_contour_7": {
    "x": 187.97,
    "y": 142.32
  },
  "nose_left_contour_7": {
    "x": 212.98,
    "y": 139.24
  },
  "nose_left_contour_5": {
    "x": 217.81,
    "y": 151.08
  },
  "nose_middle_contour": {
    "x": 201.68,
    "y": 154.12
  },
  "mouth_corner_right_inner": {
    "x": 165.3,
    "y": 181
  },
  "mouth_corner_left_inner": {
    "x": 237.92,
    "y": 172.84
  },
  "mouth_lip_upper_outer_1": {
    "x": 168.01,
    "y": 176.99
  },
  "mouth_lip_upper_outer_2": {
    "x": 174.3,
    "y": 173.78
  },
  "mouth_lip_upper_outer_4": {
    "x": 187.89,
    "y": 168.51
  },
  "mouth_lip_upper_outer_5": {
    "x": 194.93,
    "y": 167.13
  },
  "mouth_lip_upper_outer_7": {
    "x": 209.22,
    "y": 165.76
  },
  "mouth_lip_upper_outer_8": {
    "x": 215.94,
    "y": 165.52
  },
  "mouth_lip_upper_outer_10": {
    "x": 229.05,
    "y": 167.86
  },
  "mouth_lip_upper_outer_11": {
    "x": 234.91,
    "y": 169.69
  },
  "mouth_lip_lower_outer_11": {
    "x": 235.77,
    "y": 177.88
  },
  "mouth_lip_lower_outer_10": {
    "x": 230.91,
    "y": 182.95
  },
  "mouth_lip_lower_outer_8": {
    "x": 218.84,
    "y": 190.53
  },
  "mouth_lip_lower_outer_7": {
    "x": 212.21,
    "y": 192.9
  },
  "mouth_lip_lower_outer_5": {
    "x": 197.36,
    "y": 194.88
  },
  "mouth_lip_lower_outer_4": {
    "x": 189.8,
    "y": 194.21
  },
  "mouth_lip_lower_outer_2": {
    "x": 175.21,
    "y": 189.57
  },
  "mouth_lip_lower_outer_1": {
    "x": 168.57,
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}

Code example

• Introduction

• Code example