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facialRecognitionDetection2D.py
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facialRecognitionDetection2D.py
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'''
* ************************************************************
* Program: Facial Recognition Detection 2D
* Type: Python
* Author: David Velasco Garcia @davidvelascogarcia
* ************************************************************
*
* | INPUT PORT | CONTENT |
* |--------------------------------------|---------------------------------------------------------|
* | /facialRecognitionDetection2D/img:i | Input image |
*
*
* | OUTPUT PORT | CONTENT |
* |--------------------------------------|---------------------------------------------------------|
* | /facialRecognitionDetection2D/img:o | Output image with facial detection |
* | /facialRecognitionDetection2D/data:o | Output result, facial recognition data |
* | /facialRecognitionDetection2D/coord:o| Output result, facial recognition coordinates |
'''
# Libraries
import configparser
import cv2
import datetime
import face_recognition
from halo import Halo
import numpy as np
import platform
import queue
import threading
import time
import yarp
class FacialRecognitionDetection2D:
# Function: Constructor
def __init__(self):
# Build Halo spinner
self.systemResponse = Halo(spinner='dots')
# Function: getSystemPlatform
def getSystemPlatform(self):
# Get system configuration
print("\nDetecting system and release version ...\n")
systemPlatform = platform.system()
systemRelease = platform.release()
print("**************************************************************************")
print("Configuration detected:")
print("**************************************************************************")
print("\nPlatform:")
print(systemPlatform)
print("Release:")
print(systemRelease)
return systemPlatform, systemRelease
# Function: getAuthenticationData
def getAuthenticationData(self):
print("\n**************************************************************************")
print("Authentication:")
print("**************************************************************************\n")
loopControlFileExists = 0
while int(loopControlFileExists) == 0:
try:
# Get authentication data
print("\nGetting authentication data ...\n")
authenticationData = configparser.ConfigParser()
authenticationData.read('../config/config.ini')
authenticationData.sections()
imageWidth = authenticationData['Configuration']['image-width']
imageHeight = authenticationData['Configuration']['image-height']
print("Image width: " + str(imageWidth))
print("Image height: " + str(imageHeight))
# Exit loop
loopControlFileExists = 1
except:
systemResponseMessage = "\n[ERROR] Sorry, config.ini not founded, waiting 4 seconds to the next check ...\n"
self.systemResponse.text_color = "red"
self.systemResponse.fail(systemResponseMessage)
time.sleep(4)
systemResponseMessage = "\n[INFO] Data obtained correctly.\n"
self.systemResponse.text_color = "green"
self.systemResponse.succeed(systemResponseMessage)
return imageWidth, imageHeight
# Function: getImageDatabase
def getImageDatabase(self):
loopControlFileExists = 0
while int(loopControlFileExists) == 0:
try:
# Get authentication data
print("\nGetting image database ...\n")
# Read image database from file
imageDatabaseFile = open('./../resources/imageDatabase.txt', 'r')
imageDatabaseLines = imageDatabaseFile.readlines()
# Prepare image array and variable to count number of images
imageNumber = 0
imageDatabase = []
# Append images files to imageDatabase array
for imageDatabaseLine in imageDatabaseLines:
print("Image " + str(imageNumber) + ": " + str(imageDatabaseLine.strip()))
# Prepare image path
imagePath = "./../database/" + imageDatabaseLine.strip()
# Append image path
imageDatabase.append(imagePath)
# Increase image number
imageNumber = imageNumber + 1
# Exit loop
loopControlFileExists = 1
except:
systemResponseMessage = "\n[ERROR] Sorry, imageDatabase.txt not founded, waiting 4 seconds to the next check ...\n"
self.systemResponse.text_color = "red"
self.systemResponse.fail(systemResponseMessage)
time.sleep(4)
systemResponseMessage = "\n[INFO] Data obtained correctly.\n"
self.systemResponse.text_color = "green"
self.systemResponse.succeed(systemResponseMessage)
return imageDatabase
# Function: getNameDatabase
def getNameDatabase(self):
loopControlFileExists = 0
while int(loopControlFileExists) == 0:
try:
# Get authentication data
print("\nGetting users name ...\n")
# Read name database from file
nameDatabaseFile = open('./../resources/nameDatabase.txt', 'r')
nameDatabaseLines = nameDatabaseFile.readlines()
# Prepare name array and variable to count number of names
nameNumber = 0
nameDatabase = []
# Append names files to nameDatabase array
for nameDatabaseLine in nameDatabaseLines:
print("Name " + str(nameNumber) + ": " + str(nameDatabaseLine.strip()))
# Prepare name path
namePath = nameDatabaseLine.strip()
# Append name path
nameDatabase.append(namePath)
# Increase name number
nameNumber = nameNumber + 1
# Exit loop
loopControlFileExists = 1
except:
systemResponseMessage = "\n[ERROR] Sorry, nameDatabase.txt not founded, waiting 4 seconds to the next check ...\n"
self.systemResponse.text_color = "red"
self.systemResponse.fail(systemResponseMessage)
time.sleep(4)
systemResponseMessage = "\n[INFO] Data obtained correctly.\n"
self.systemResponse.text_color = "green"
self.systemResponse.succeed(systemResponseMessage)
return nameDatabase, nameNumber
# Function: trainModel
def trainModel(self, imageDatabase, nameDatabase, nameNumber):
userDatabase = []
userDatabaseEncoded = []
userTrainedDatabase = []
nameTrainedDatabase = []
# Prepare image database and encoded image database
for user in range(int(nameNumber)):
# Set user database images form image database
userDatabase.append(face_recognition.load_image_file(imageDatabase[user]))
# Detect user face in user database images and encode in user database encoded with training model
userDatabaseEncoded.append(face_recognition.face_encodings(userDatabase[user])[0])
# Prepare database with trained users and names
userTrainedDatabase.append(userDatabaseEncoded[user])
nameTrainedDatabase.append(nameDatabase[user])
return userTrainedDatabase, nameTrainedDatabase
# Function: getFacesCompare
def getFacesCompare(self, userTrainedDatabase, faceEncoding, compareFacesQueueBuffer):
# Compare face detected with user trained database
match = face_recognition.compare_faces(userTrainedDatabase, faceEncoding)
# Put in Queue buffer
compareFacesQueueBuffer.put(match)
# Function: compareFaces
def getFacesDistance(self, userTrainedDatabase, faceEncoding, distanceFacesQueueBuffer):
# Compare distance between face detected and trained database
matchDistance = face_recognition.face_distance(userTrainedDatabase, faceEncoding)
# Put in Queue buffer
distanceFacesQueueBuffer.put(matchDistance)
# Function: analyzeImage
def analyzeImage(self, dataToSolve, userTrainedDatabase, nameTrainedDatabase, imageWidth, imageHeight, inputImagePort, outputImagePort, outputDataPort):
# Detect faces in data to solve and get coordinates of all them
faceLocations = face_recognition.face_locations(dataToSolve)
# Get detected faces of coordinates
faceEncodings = face_recognition.face_encodings(dataToSolve, faceLocations)
# If a face is detected
if str(faceLocations) != "[]":
# Compare each face detected in data to solve with user trained database
for (yMax, xMax, yMin, xMin), faceEncoding in zip(faceLocations, faceEncodings):
# Create Queue buffers
compareFacesQueueBuffer = queue.Queue()
distanceFacesQueueBuffer = queue.Queue()
# Create threads
compareFacesThread = threading.Thread(target=self.getFacesCompare, args=(userTrainedDatabase, faceEncoding, compareFacesQueueBuffer))
distanceFacesThread = threading.Thread(target=self.getFacesDistance, args=(userTrainedDatabase, faceEncoding, distanceFacesQueueBuffer))
# Start thread
compareFacesThread.start()
distanceFacesThread.start()
# Wait until both threads ends
compareFacesThread.join()
distanceFacesThread.join()
# Get results of threads
match = compareFacesQueueBuffer.get()
matchDistance = distanceFacesQueueBuffer.get()
# Extract the most certain index based on match distance
predictionIndex = np.argmin(matchDistance)
# If detected user is in database get the name
if match[predictionIndex]:
detectedUser = nameTrainedDatabase[predictionIndex]
# If isn´t in database is "Unknown"
else:
detectedUser = "Unknown"
# Draw a blue rectangle in detected face
cv2.rectangle(dataToSolve, (xMin, yMax), (xMax, yMin), (0, 0, 255), 2)
# Draw a blue rectangle at the bottom of the main rectangle that will contain detected user
cv2.rectangle(dataToSolve, (xMin, yMin - 35), (xMax, yMin), (0, 0, 255), cv2.FILLED)
# Draw the user detected in previously blue rectangle
cv2.putText(dataToSolve, detectedUser, (xMin + 6, yMin - 6), cv2.FONT_HERSHEY_DUPLEX, 1.0, (255, 255, 255), 1)
# Get coordinates
coordinatesXY = self.getCoordinates(xMin, yMin, imageHeight)
# Prepare output results
dataSolvedResults = "Detection: " + str(detectedUser) + ", Coordinates: " + str(coordinatesXY) + ", Date: " + str(datetime.datetime.now())
# Send detected results
outputDataPort.send(dataSolvedResults)
else:
systemResponseMessage = "\n[INFO] No faces detected.\n"
self.systemResponse.text_color = "blue"
self.systemResponse.info(systemResponseMessage)
# Prepare output results
dataSolvedResults = "Detection: None, Coordinates: None, Date: " + str(datetime.datetime.now())
# Send detected results
outputDataPort.send(dataSolvedResults)
systemResponseMessage = "\n" + str(dataSolvedResults) + "\n"
self.systemResponse.text_color = "green"
self.systemResponse.succeed(systemResponseMessage)
dataSolvedImage = dataToSolve
return dataSolvedImage
# Function: getCoordinates
def getCoordinates(self, xMin, yMin, imageHeight):
# Get centroid coordinates
x = xMin
y = int(imageHeight) - yMin
# Prepare coordinates
coordinatesXY = str(x) + ", " + str(y)
return coordinatesXY
# Function: processRequest
def processRequests(self, userTrainedDatabase, nameTrainedDatabase, imageWidth, imageHeight, inputImagePort, outputImagePort, outputDataPort):
# Variable to control loopProcessRequests
loopProcessRequests = 0
while int(loopProcessRequests) == 0:
# Waiting to input data request
print("**************************************************************************")
print("Waiting for input data request:")
print("**************************************************************************")
systemResponseMessage = "\n[INFO] Waiting for input data request at " + str(datetime.datetime.now()) + " ...\n"
self.systemResponse.text_color = "yellow"
self.systemResponse.warn(systemResponseMessage)
# Receive input request
dataToSolve = inputImagePort.receive()
print("\n**************************************************************************")
print("Processing:")
print("**************************************************************************\n")
try:
dataSolvedImage = self.analyzeImage(dataToSolve, userTrainedDatabase, nameTrainedDatabase, imageWidth, imageHeight, inputImagePort, outputImagePort, outputDataPort)
# Send output results
outputImagePort.send(dataSolvedImage)
except:
systemResponseMessage = "\n[ERROR] Sorry, i couldn´t resolve your request.\n"
self.systemResponse.text_color = "red"
self.systemResponse.fail(systemResponseMessage)
class YarpDataPort:
# Function: Constructor
def __init__(self, portName):
# Build Halo spinner
self.systemResponse = Halo(spinner='dots')
# Build port and bottle
self.yarpPort = yarp.Port()
self.yarpBottle = yarp.Bottle()
systemResponseMessage = "\n[INFO] Opening Yarp data port " + str(portName) + " ...\n"
self.systemResponse.text_color = "yellow"
self.systemResponse.warn(systemResponseMessage)
# Open Yarp port
self.portName = portName
self.yarpPort.open(self.portName)
# Function: receive
def receive(self):
self.yarpPort.read(self.yarpBottle)
dataReceived = self.yarpBottle.toString()
dataReceived = dataReceived.replace('"', '')
systemResponseMessage = "\n[RECEIVED] Data received: " + str(dataReceived) + " at " + str(datetime.datetime.now()) + ".\n"
self.systemResponse.text_color = "blue"
self.systemResponse.info(systemResponseMessage)
return dataReceived
# Function: send
def send(self, dataToSend):
self.yarpBottle.clear()
self.yarpBottle.addString(str(dataToSend))
self.yarpPort.write(self.yarpBottle)
# Function: close
def close(self):
systemResponseMessage = "\n[INFO] " + str(self.portName) + " port closed correctly.\n"
self.systemResponse.text_color = "yellow"
self.systemResponse.warn(systemResponseMessage)
self.yarpPort.close()
class YarpImagePort:
# Function: Constructor
def __init__(self, portName, imageWidth, imageHeight):
# Build Halo spinner
self.systemResponse = Halo(spinner='dots')
# If input image port required
if "/img:i" in str(portName):
self.yarpPort = yarp.BufferedPortImageRgb()
# If output image port required
else:
self.yarpPort = yarp.Port()
systemResponseMessage = "\n[INFO] Opening Yarp image port " + str(portName) + " ...\n"
self.systemResponse.text_color = "yellow"
self.systemResponse.warn(systemResponseMessage)
# Open Yarp port
self.portName = portName
self.yarpPort.open(self.portName)
# Build image buffer
self.imageWidth = int(imageWidth)
self.imageHeight = int(imageHeight)
self.bufferImage = yarp.ImageRgb()
self.bufferImage.resize(self.imageWidth, self.imageHeight)
self.bufferArray = np.ones((self.imageHeight, self.imageWidth, 3), np.uint8)
self.bufferImage.setExternal(self.bufferArray.data, self.bufferArray.shape[1], self.bufferArray.shape[0])
# Function: receive
def receive(self):
image = self.yarpPort.read()
self.bufferImage.copy(image)
assert self.bufferArray.__array_interface__['data'][0] == self.bufferImage.getRawImage().__int__()
image = self.bufferArray[:, :, ::-1]
return self.bufferArray
# Function: send
def send(self, dataToSend):
self.bufferArray[:,:] = dataToSend
self.yarpPort.write(self.bufferImage)
# Function: close
def close(self):
systemResponseMessage = "\n[INFO] " + str(self.portName) + " port closed correctly.\n"
self.systemResponse.text_color = "yellow"
self.systemResponse.warn(systemResponseMessage)
self.yarpPort.close()
# Function: main
def main():
print("**************************************************************************")
print("**************************************************************************")
print(" Program: Facial Recognition Detection 2D ")
print(" Author: David Velasco Garcia ")
print(" @davidvelascogarcia ")
print("**************************************************************************")
print("**************************************************************************")
print("\nLoading Facial Recognition Detection 2D engine ...\n")
# Build facialRecognitionDetection2D object
facialRecognitionDetection2D = FacialRecognitionDetection2D()
# Get system platform
systemPlatform, systemRelease = facialRecognitionDetection2D.getSystemPlatform()
# Get authentication data
imageWidth, imageHeight = facialRecognitionDetection2D.getAuthenticationData()
# Get image database
imageDatabase = facialRecognitionDetection2D.getImageDatabase()
# Get name database
nameDatabase, nameNuber = facialRecognitionDetection2D.getNameDatabase()
# Train model
userTrainedDatabase, nameTrainedDatabase = facialRecognitionDetection2D.trainModel(imageDatabase, nameDatabase, nameNuber)
# Init Yarp network
yarp.Network.init()
# Create Yarp ports
inputImagePort = YarpImagePort("/facialRecognitionDetection2D/img:i", imageWidth, imageHeight)
outputImagePort = YarpImagePort("/facialRecognitionDetection2D/img:o", imageWidth, imageHeight)
outputDataPort = YarpDataPort("/facialRecognitionDetection2D/data:o")
# Process input requests
facialRecognitionDetection2D.processRequests(userTrainedDatabase, nameTrainedDatabase, imageWidth, imageHeight, inputImagePort, outputImagePort, outputDataPort)
# Close Yarp ports
inputImagePort.close()
outputImagePort.close()
outputDataPort.close()
print("**************************************************************************")
print("Program finished")
print("**************************************************************************")
print("\nfacialRecognitionDetection2D program finished correctly.\n")
if __name__ == "__main__":
# Call main function
main()