update ocr.py and yolo.ipynb

ocr.py

@@ -1,30 +1,5 @@
 import easyocr
 import cv2 as cv
-import keras_ocr
-import pytesseract
-
-def keras_ocr_func():
-    pipeline = keras_ocr.pipeline.Pipeline()
-    images = [
-        keras_ocr.tools.read(img) for img in ['img0.png', ]
-    ]
-    prediction_groups = pipeline.recognize(images)
-    car_numbers = ''
-
-    try:
-        for i in prediction_groups[0]:
-            car_numbers += i[0]
-    except:
-        print('no detection')
-
-    return car_numbers
-
-def tesseract_ocr():
-    img = cv.imread('img0.png')
-    res = pytesseract.image_to_string(img,
-                                      lang='eng',
-                                      config='--oem 3 --psm 6 -c tessedit_char_whitelist=ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789')
-    return res
 
 def get_text_from_image(img_path, cut=7):
     text = ''