修正heic图片保存问题

util/image_util.py

@@ -42,6 +42,8 @@ def split(img_path, ratio=1.414, overlap=0.05, x_compensation=3):
     wh_ratio = width / height
 
     img_name, img_ext = common_util.parse_save_path(img_path)
+    if img_ext == 'heic' or img_ext == 'HEIC':
+        img_ext = 'jpg'  # cv2无法保存heic图片
     if hw_ratio > ratio:  # 纵向过长
         new_img_height = width * ratio
         step = width * (ratio - overlap)  # 偏移步长