22306233-邢添慧-文字识别

22309152 栾爽 作业2

12206072 建工 王承凯

import cv2
import pytesseract
from PIL import Image
import os


pytesseract.pytesseract.tesseract_cmd = "C:/Users/LENOVO/AppData/Local/Programs/Tesseract-OCR/tesseract.exe"


cap = cv2.VideoCapture(0)

fourcc = cv2.VideoWriter_fourcc(*'mp4v')
out = cv2.VideoWriter(os.path.expanduser("C:/Users/LENOVO/Desktop/test/output.mp4"), fourcc, 20.0, (640, 480))

start_time = cv2.getTickCount()
seconds = 15

while True:

ret, frame = cap.read()
if not ret:
break


rgb_frame = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
pil_image = Image.fromarray(rgb_frame)

text = pytesseract.image_to_string(pil_image, lang='eng')

y0, dy = 30, 15
for i, line in enumerate(text.split('\n')):
y = y0 + i * dy
cv2.putText(frame, line, (10, y), cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0, 255, 0), 1)


out.write(frame)


cv2.imshow('OCR', frame)

if (cv2.getTickCount() - start_time) / cv2.getTickFrequency() > seconds:
break


if cv2.waitKey(1) & 0xFF == ord('q'):
break

cap.release()
out.release()
cv2.destroyAllWindows()

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