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Daniel-Humberto
Computer-Vision-Python
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ComputerVision1.py
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# Importamos la librería OpenCV para procesamiento de imágenes y video
import cv2
# Creamos un descriptor de Histogram of Oriented Gradients (HOG) para la detección de personas
hog = cv2.HOGDescriptor()
# Configuramos el descriptor HOG con el detector de personas preentrenado
hog.setSVMDetector(cv2.HOGDescriptor_getDefaultPeopleDetector())
# Capturamos el video desde la cámara web (ID 0)
cap = cv2.VideoCapture(0)
# Verificamos si la cámara se abrió correctamente
if not cap.isOpened():
print("Error: No se pudo abrir la cámara web")
exit()
# Bucle principal para capturar y procesar los fotogramas en tiempo real
while True:
ret, frame = cap.read() # Leemos un fotograma de la cámara
# Si no se pudo leer un fotograma, salimos del bucle
if not ret:
break
# Aplicamos el detector de personas en el fotograma
(rects, _) = hog.detectMultiScale(frame, winStride=(4, 4), padding=(8, 8), scale=1.05)
# Dibujamos rectángulos alrededor de las personas detectadas
for (x, y, w, h) in rects:
cv2.rectangle(frame, (x, y), (x + w, y + h), (0, 255, 0), 2) # Color verde, grosor de línea 2
# Mostramos el fotograma con las detecciones
cv2.imshow('Deteccion de Personas en Tiempo Real', frame)
# Si el usuario presiona la tecla 'q', terminamos el bucle
if cv2.waitKey(1) & 0xFF == ord('q'):
break
# Liberamos la cámara y cerramos las ventanas de OpenCV
cap.release()
cv2.destroyAllWindows()
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