WRieder 0 Posted September 2, 2022 A script, which works perfectly in PyScripter gives an error when executed in Delphi: '''' Real Time Face Recogition ==> Each face stored on dataset/ dir, should have a unique numeric integer ID as 1, 2, 3, etc ==> LBPH computed model (trained faces) should be on trainer/ dir Based on original code by Anirban Kar: https://github.com/thecodacus/Face-Recognition Developed by Marcelo Rovai - MJRoBot.org @ 21Feb18 ''' import cv2 import numpy as np import os recognizer = cv2.face.LBPHFaceRecognizer_create() recognizer.read('trainer/trainer.yml') cascadePath = "haarcascade_frontalface_default.xml" faceCascade = cv2.CascadeClassifier(cascadePath); font = cv2.FONT_HERSHEY_SIMPLEX #iniciate id counter id = 0 # names related to ids: example ==> Marcelo: id=1, etc names = ['None', 'Wolfgang', 'Bruno', 'Devlyn', 'Z', 'W'] # Initialize and start realtime video capture cam = cv2.VideoCapture(0) cam.set(3, 640) # set video widht cam.set(4, 480) # set video height # Define min window size to be recognized as a face minW = 0.1*cam.get(3) minH = 0.1*cam.get(4) while True: ret, img =cam.read() gray = cv2.cvtColor(img,cv2.COLOR_BGR2GRAY) faces = faceCascade.detectMultiScale( gray, scaleFactor = 1.2, minNeighbors = 5, minSize = (int(minW), int(minH)), ) for(x,y,w,h) in faces: cv2.rectangle(img, (x,y), (x+w,y+h), (0,255,0), 2) id, confidence = recognizer.predict(gray[y:y+h,x:x+w]) # Check if confidence is less them 100 ==> "0" is perfect match if (confidence < 100): id = names[id] confidence = " {0}%".format(round(100 - confidence)) else: id = "unknown" confidence = " {0}%".format(round(100 - confidence)) cv2.putText(img, str(id), (x+5,y-5), font, 1, (255,255,255), 2) cv2.putText(img, str(confidence), (x+5,y+h-5), font, 1, (255,255,0), 1) cv2.imshow('camera',img) k = cv2.waitKey(10) & 0xff # Press 'ESC' for exiting video if k == 27: break # Do a bit of cleanup print("\n [INFO] Exiting Program and cleanup stuff") cam.release() cv2.destroyAllWindows() PythonEngine1.ExecStrings(SynEdit1.Lines); Project Project1.exe raised exception class EPyException with message 'error: OpenCV(4.6.0) D:\a\opencv-python\opencv-python\opencv_contrib\modules\face\src\facerec.cpp:61: error: (-2:Unspecified error) File can't be opened for reading! in function 'cv::face::FaceRecognizer::read' '. Share this post Link to post
KoRiF 1 Posted September 7, 2022 Seems, some answers to this question can be helpful for you too Also call stack could give you more info... Share this post Link to post