sign-language-detector/collect_imgs.py at master · 88448844/sign-language-detector · GitHub

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import os
import cv2


DATA_DIR = './data'
if not os.path.exists(DATA_DIR):
    os.makedirs(DATA_DIR)

number_of_classes = 26
dataset_size = 200

cap = None
for i in range(10):
    cap = cv2.VideoCapture(i)
    if cap.isOpened():
        break

if not cap.isOpened():
    print("Error: Could not open video stream.")
    exit()

for j in range(number_of_classes):
    if not os.path.exists(os.path.join(DATA_DIR, str(j))):
        os.makedirs(os.path.join(DATA_DIR, str(j)))

    print(f'Collecting data for class {chr(j + 65)}')

    while True:
        ret, frame = cap.read()
        if not ret:
            print("Error: Failed to capture frame.")
            break
        cv2.putText(frame, f'Ready to collect images for class {chr(j + 65)}? Press "Q" ! :)', (50, 50), cv2.FONT_HERSHEY_SIMPLEX, 1, (0, 255, 0), 2,
                    cv2.LINE_AA)
        cv2.imshow('frame', frame)
        if cv2.waitKey(25) == ord('q'):
            break

    counter = 0
    while counter < dataset_size:
        ret, frame = cap.read()
        if not ret:
            print("Error: Failed to capture frame.")
            break
        cv2.imshow('frame', frame)
        cv2.waitKey(25)
        cv2.imwrite(os.path.join(DATA_DIR, str(j), f'{counter}.jpg'), frame)

        counter += 1

cap.release()
cv2.destroyAllWindows()