This commit is contained in:
parent
0d09c13ae6
commit
b7f6cc3e74
|
@ -0,0 +1,31 @@
|
|||
import easyocr
|
||||
import cv2
|
||||
|
||||
def ocr_image(img_path):
|
||||
"""
|
||||
Выполняет OCR для изображения с номером.
|
||||
|
||||
:param img_path: Путь к изображению.
|
||||
:return: Распознанный текст.
|
||||
"""
|
||||
reader = easyocr.Reader(['en'], gpu=True) # Инициализация easyOCR
|
||||
img = cv2.imread(img_path) # Загрузка изображения
|
||||
gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY) # Конвертация в оттенки серого
|
||||
|
||||
# Запуск OCR
|
||||
results = reader.readtext(gray)
|
||||
print(results)
|
||||
text = ""
|
||||
for res in results:
|
||||
if len(results) == 1:
|
||||
text = res[1]
|
||||
if len(results) > 1 and len(res[1]) > 6 and res[2] > 0.2: # Фильтрация текста
|
||||
text = res[1]
|
||||
|
||||
return text
|
||||
|
||||
# Использование
|
||||
if __name__ == "__main__":
|
||||
img_path = "result.png" # Путь к изображению с номером
|
||||
recognized_text = ocr_image(img_path)
|
||||
print(f"Распознанный текст: {recognized_text}")
|
|
@ -0,0 +1,63 @@
|
|||
import numpy as np
|
||||
import cv2
|
||||
from matplotlib import pyplot as plt
|
||||
|
||||
images = ['img/1.jpg', 'img/2.jpg', 'img/3.jpg', 'img/26417135.jpg', 'img/ru4018185.jpg']
|
||||
|
||||
processed_plates = []
|
||||
|
||||
for img_path in images:
|
||||
image = cv2.imread(img_path)
|
||||
|
||||
img_gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)
|
||||
ret, thresh = cv2.threshold(img_gray, 100, 200, cv2.THRESH_TOZERO_INV)
|
||||
contours, hierarchy = cv2.findContours(thresh, cv2.RETR_TREE, cv2.CHAIN_APPROX_SIMPLE)
|
||||
|
||||
for i in range(len(contours)):
|
||||
x, y, w, h = cv2.boundingRect(contours[i])
|
||||
a = w * h
|
||||
aspectRatio = float(w) / h
|
||||
if aspectRatio >= 3 and a > 600:
|
||||
approx = cv2.approxPolyDP(contours[i], 0.05 * cv2.arcLength(contours[i], True), True)
|
||||
if len(approx) <= 4 and x > 15:
|
||||
width = w
|
||||
height = h
|
||||
start_x = x
|
||||
start_y = y
|
||||
end_x = start_x + width
|
||||
end_y = start_y + height
|
||||
break
|
||||
|
||||
plate = image[start_y:end_y, start_x:end_x]
|
||||
|
||||
gray = cv2.cvtColor(plate, cv2.COLOR_BGR2GRAY)
|
||||
_, thresh = cv2.threshold(gray, 150, 255, cv2.THRESH_BINARY)
|
||||
contours, _ = cv2.findContours(thresh, cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_SIMPLE)
|
||||
|
||||
largest_contour = max(contours, key=cv2.contourArea)
|
||||
rect = cv2.minAreaRect(largest_contour)
|
||||
box = cv2.boxPoints(rect)
|
||||
box = np.intp(box)
|
||||
angle = rect[-1]
|
||||
|
||||
if angle < -45:
|
||||
angle += 90
|
||||
if angle < 90:
|
||||
(h, w) = plate.shape[:2]
|
||||
center = (w // 2, h // 2)
|
||||
M = cv2.getRotationMatrix2D(center, angle, 1.0)
|
||||
rotated = cv2.warpAffine(plate, M, (w, h))
|
||||
else:
|
||||
angle = 0.5
|
||||
(h, w) = plate.shape[:2]
|
||||
center = (w // 2, h // 2)
|
||||
M = cv2.getRotationMatrix2D(center, angle, 1.0)
|
||||
rotated = cv2.warpAffine(plate, M, (w, h))
|
||||
|
||||
processed_plates.append(rotated)
|
||||
|
||||
for i, rotated_plate in enumerate(processed_plates):
|
||||
cv2.imshow(f'Номер {i+1}', rotated_plate)
|
||||
|
||||
cv2.waitKey(0)
|
||||
cv2.destroyAllWindows()
|
Loading…
Reference in New Issue