cv2.error: OpenCV(3.4.3) C:\projects\opencv-python\opencv\modules\core\src\matrix.cpp:235: error: (-215:Assertion failed) s >= 0 in function 'cv::setSize'

[BlackDarkZeroXX98]

Necesito ayuda con este error, al momento de cambiar de persona me marca este error no se cual sera el problema (soy muy nuevo en esto tengo)

import numpy as np import cv2 import pickle

Face = cv2.CascadeClassifier("haarcascade_frontalface_alt2.xml ") eye = cv2.CascadeClassifier('cascades/data/haarcascade_eye.xml') smile = cv2.CascadeClassifier('cascades/data/haarcascade_smile.xml')

recognizer = cv2.face.LBPHFaceRecognizer_create() recognizer.read("trainner.yml")

labelids={"person_name", 1}

with open("labels.pickle","rb")as f: og_labelids=pickle.load(f) labelids={v:k for k,v in og_labelids.items()}

capt = cv2.VideoCapture(0)

while(True): ret, frame = capt.read() gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY) faces = Face.detectMultiScale(gray, scaleFactor=1.5, minNeighbors=5) for (x, y, w, h) in faces:

print(x, y, w, h)

    gray = gray[y:y+h, x:x+w]
    color = frame[y:y+h, x:x+w]
    #recordar
    id_, conf = recognizer.predict(gray)
    if (conf>=4 and conf<=85):
        #print(id_)
        #print(labelids[id_])
        font = cv2.FONT_HERSHEY_SIMPLEX
        name= labelids[id_]
        color =(255,255,255)
        stroke = 2
        cv2.putText(frame, name, (x,y), font, 1, color, stroke, cv2.LINE_AA)

    img_item = "My-image.png"
    cv2.imwrite(img_item, color)

    color =  (255, 0, 0) #BGR 0-255
    stroke = 2
    end_cord_y = y+h
    end_cord_x  = x+w
    cv2.rectangle(frame, (x,y),(end_cord_x, end_cord_y), color, stroke)

cv2.imshow('frame', frame)
if(cv2.waitKey(20) & 0xFF == ord('q')):
    break

capt.release() cv2.destroyAllWindows()