Implemented liveness detection functionality within Docker

.gitignore

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+/data

app.py

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+import sys
+sys.path.append('.')
+
+import os
+import numpy as np
+import base64
+import io
+
+from PIL import Image
+from flask import Flask, request, jsonify
+from facesdk import getMachineCode
+from facesdk import setActivation
+from facesdk import faceDetection
+from facesdk import initSDK
+from facebox import FaceBox
+
+livenessThreshold = 0.7
+yawThreshold = 10
+pitchThreshold = 10
+rollThreshold = 10
+occlusionThreshold = 0.9
+eyeClosureThreshold = 0.7
+mouthOpeningThreshold = 0.5
+borderRate = 0.05
+smallFaceThreshold = 100
+lowQualityThreshold = 0.3
+hightQualityThreshold = 0.7
+luminanceDarkThreshold = 50
+luminanceLightThreshold = 200
+
+maxFaceCount = 10
+
+licensePath = "license.txt"
+license = ""
+
+machineCode = getMachineCode()
+print("machineCode: ", machineCode.decode('utf-8'))
+
+try:
+    with open(licensePath, 'r') as file:
+        license = file.read()
+except IOError as exc:
+    print("failed to open license.txt: ", exc.errno)
+print("license: ", license)
+
+ret = setActivation(license.encode('utf-8'))
+print("activation: ", ret)
+
+ret = initSDK("data".encode('utf-8'))
+print("init: ", ret)
+
+app = Flask(__name__) 
+
+@app.route('/check_liveness', methods=['POST'])
+def check_liveness():
+    file = request.files['file']
+    image = Image.open(file)
+    image_np = np.asarray(image)
+
+    faceBoxes = (FaceBox * maxFaceCount)()
+    faceCount = faceDetection(image_np, image_np.shape[1], image_np.shape[0], faceBoxes, maxFaceCount)
+
+    i = 0
+    faces = []
+    while (i < faceCount):
+        j = 0
+        landmark_68 = []
+        while(j < 68):
+            landmark_68.append({"x": faceBoxes[i].landmark_68[j * 2], "y": faceBoxes[i].landmark_68[j * 2 + 1]})
+            j = j + 1
+        faces.append({"x1": faceBoxes[i].x1, "y1": faceBoxes[i].y1, "x2": faceBoxes[i].x2, "y2": faceBoxes[i].y2, 
+                      "liveness": faceBoxes[i].liveness, 
+                      "yaw": faceBoxes[i].yaw, "roll": faceBoxes[i].roll, "pitch": faceBoxes[i].pitch,
+                      "face_quality": faceBoxes[i].face_quality, "face_luminance": faceBoxes[i].face_luminance, "eye_dist": faceBoxes[i].eye_dist,
+                      "left_eye_closed": faceBoxes[i].left_eye_closed, "right_eye_closed": faceBoxes[i].right_eye_closed,
+                      "face_occlusion": faceBoxes[i].face_occlusion, "mouth_opened": faceBoxes[i].mouth_opened,
+                      "landmark_68": landmark_68})
+        i = i + 1
+
+    result = ""
+    if faceCount == 0:
+        result = "No face"
+    elif faceCount > 1:
+        result = "Multiple face"
+    else:
+        if faceBoxes[0].liveness > livenessThreshold:
+            result = "Real"
+        else:
+            result = "Spoof"
+
+        isNotFront = True
+        isOcclusion = False
+        isEyeClosure = False
+        isMouthOpening = False
+        isBoundary = False
+        isSmall = False
+        quality = "Low"
+        luminance = "Dark"
+        if abs(faceBoxes[0].yaw) < yawThreshold and abs(faceBoxes[0].roll) < rollThreshold and abs(faceBoxes[0].pitch) < pitchThreshold:
+            isNotFront = False
+
+        if faceBoxes[0].face_occlusion > occlusionThreshold:
+            isOcclusion = True
+
+        if faceBoxes[0].left_eye_closed > eyeClosureThreshold or faceBoxes[0].right_eye_closed > eyeClosureThreshold:
+            isEyeClosure = True
+
+        if faceBoxes[0].mouth_opened > mouthOpeningThreshold:
+            isMouthOpening = True
+
+        if (faceBoxes[0].x1 < image_np.shape[1] * borderRate or 
+            faceBoxes[0].y1 < image_np.shape[0] * borderRate or 
+                faceBoxes[0].x1 > image_np.shape[1] - image_np.shape[1] * borderRate or 
+                faceBoxes[0].x1 > image_np.shape[0] - image_np.shape[0] * borderRate):
+            isBoundary = True
+
+        if faceBoxes[0].eye_dist < smallFaceThreshold:
+            isSmall = True
+
+        if faceBoxes[0].face_quality < lowQualityThreshold:
+            quality = "Low"
+        elif faceBoxes[0].face_quality < hightQualityThreshold:
+            quality = "Medium"
+        else:
+            quality = "High"
+
+        if faceBoxes[0].face_luminance < luminanceDarkThreshold:
+            luminance = "Dark"
+        elif faceBoxes[0].face_luminance < luminanceLightThreshold:
+            luminance = "Normal"
+        else:
+            luminance = "Light"
+
+        status = "ok"
+        faceState = {"is_not_front": isNotFront, "is_occluded": isOcclusion, "eye_closed": isEyeClosure, "mouth_opened": isMouthOpening, 
+                     "is_boundary_face": isBoundary, "is_small": isSmall, "quality": quality, "luminance": luminance, "result": result}
+        response = jsonify({"face_state": faceState, "faces": faces})
+
+        response.status_code = 200
+        response.headers["Content-Type"] = "application/json; charset=utf-8"
+        return response
+
+    status = "ok"
+    response = jsonify({"face_state": {"result": result}, "faces": faces})
+
+    response.status_code = 200
+    response.headers["Content-Type"] = "application/json; charset=utf-8"
+    return response
+
+@app.route('/check_liveness_base64', methods=['POST'])
+def check_liveness_base64():
+    content = request.get_json()
+    imageBase64 = content['base64']
+    image_data = base64.b64decode(imageBase64)
+
+    image = Image.open(io.BytesIO(image_data))
+    image_np = np.asarray(image)
+
+    faceBoxes = (FaceBox * maxFaceCount)()
+    faceCount = faceDetection(image_np, image_np.shape[1], image_np.shape[0], faceBoxes, maxFaceCount)
+
+    i = 0
+    faces = []
+    while (i < faceCount):
+        j = 0
+        landmark_68 = []
+        while(j < 68):
+            landmark_68.append({"x": faceBoxes[i].landmark_68[j * 2], "y": faceBoxes[i].landmark_68[j * 2 + 1]})
+            j = j + 1
+        faces.append({"x1": faceBoxes[i].x1, "y1": faceBoxes[i].y1, "x2": faceBoxes[i].x2, "y2": faceBoxes[i].y2, 
+                      "liveness": faceBoxes[i].liveness, 
+                      "yaw": faceBoxes[i].yaw, "roll": faceBoxes[i].roll, "pitch": faceBoxes[i].pitch,
+                      "face_quality": faceBoxes[i].face_quality, "face_luminance": faceBoxes[i].face_luminance, "eye_dist": faceBoxes[i].eye_dist,
+                      "left_eye_closed": faceBoxes[i].left_eye_closed, "right_eye_closed": faceBoxes[i].right_eye_closed,
+                      "face_occlusion": faceBoxes[i].face_occlusion, "mouth_opened": faceBoxes[i].mouth_opened,
+                      "landmark_68": landmark_68})
+        i = i + 1
+
+    result = ""
+    if faceCount == 0:
+        result = "No face"
+    elif faceCount > 1:
+        result = "Multiple face"
+    else:
+        if faceBoxes[0].liveness > livenessThreshold:
+            result = "Real"
+        else:
+            result = "Spoof"
+
+        isNotFront = True
+        isOcclusion = False
+        isEyeClosure = False
+        isMouthOpening = False
+        isBoundary = False
+        isSmall = False
+        quality = "Low"
+        luminance = "Dark"
+        if abs(faceBoxes[0].yaw) < yawThreshold and abs(faceBoxes[0].roll) < rollThreshold and abs(faceBoxes[0].pitch) < pitchThreshold:
+            isNotFront = False
+
+        if faceBoxes[0].face_occlusion > occlusionThreshold:
+            isOcclusion = True
+
+        if faceBoxes[0].left_eye_closed > eyeClosureThreshold or faceBoxes[0].right_eye_closed > eyeClosureThreshold:
+            isEyeClosure = True
+
+        if faceBoxes[0].mouth_opened > mouthOpeningThreshold:
+            isMouthOpening = True
+
+        if (faceBoxes[0].x1 < image_np.shape[1] * borderRate or 
+            faceBoxes[0].y1 < image_np.shape[0] * borderRate or 
+                faceBoxes[0].x1 > image_np.shape[1] - image_np.shape[1] * borderRate or 
+                faceBoxes[0].x1 > image_np.shape[0] - image_np.shape[0] * borderRate):
+            isBoundary = True
+
+        if faceBoxes[0].eye_dist < smallFaceThreshold:
+            isSmall = True
+
+        if faceBoxes[0].face_quality < lowQualityThreshold:
+            quality = "Low"
+        elif faceBoxes[0].face_quality < hightQualityThreshold:
+            quality = "Medium"
+        else:
+            quality = "High"
+
+        if faceBoxes[0].face_luminance < luminanceDarkThreshold:
+            luminance = "Dark"
+        elif faceBoxes[0].face_luminance < luminanceLightThreshold:
+            luminance = "Normal"
+        else:
+            luminance = "Light"
+
+        status = "ok"
+        faceState = {"is_not_front": isNotFront, "is_occluded": isOcclusion, "eye_closed": isEyeClosure, "mouth_opened": isMouthOpening, 
+                     "is_boundary_face": isBoundary, "is_small": isSmall, "quality": quality, "luminance": luminance, "result": result}
+        response = jsonify({"face_state": faceState, "faces": faces})
+
+        response.status_code = 200
+        response.headers["Content-Type"] = "application/json; charset=utf-8"
+        return response
+
+    status = "ok"
+    response = jsonify({"face_state": {"result": result}, "faces": faces})
+
+    response.status_code = 200
+    response.headers["Content-Type"] = "application/json; charset=utf-8"
+    return response
+
+
+if __name__ == '__main__':
+    port = int(os.environ.get("PORT", 8080))
+    app.run(host='0.0.0.0', port=port)

facebox.py

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+from ctypes import *
+
+class FaceBox(Structure):
+    _fields_ = [("x1", c_int32), ("y1", c_int32), ("x2", c_int32), ("y2", c_int32), 
+        ("liveness", c_float), 
+        ("yaw", c_float), ("roll", c_float), ("pitch", c_float), 
+        ("face_quality", c_float), ("face_luminance", c_float), ("eye_dist", c_float),
+        ("left_eye_closed", c_float), ("right_eye_closed", c_float), 
+        ("face_occlusion", c_float), ("mouth_opened", c_float), 
+        ("landmark_68", c_float * 136)
+        ]

facesdk.py

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+import os
+
+from ctypes import *
+from numpy.ctypeslib import ndpointer
+from facebox import FaceBox
+
+libPath = os.path.abspath(os.path.dirname(__file__)) + '/libfacesdk1.so'
+facesdk = cdll.LoadLibrary(libPath)
+
+getMachineCode = facesdk.getMachineCode
+getMachineCode.argtypes = []
+getMachineCode.restype = c_char_p
+
+setActivation = facesdk.setActivation
+setActivation.argtypes = [c_char_p]
+setActivation.restype = c_int32
+
+initSDK = facesdk.initSDK
+initSDK.argtypes = [c_char_p]
+initSDK.restype = c_int32
+
+faceDetection = facesdk.faceDetection
+faceDetection.argtypes = [ndpointer(c_ubyte, flags='C_CONTIGUOUS'), c_int32, c_int32, POINTER(FaceBox), c_int32]
+faceDetection.restype = c_int32
+

license.txt

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+None

requirements.txt

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+flask
+flask-cors
+Pillow
+numpy