From 25c17b107ed9669b7cd9613a022fc47cc3a7afdc Mon Sep 17 00:00:00 2001
From: wxzs5 <790230517@qq.com>
Date: Wed, 27 Dec 2017 11:57:17 +0800
Subject: [PATCH 1/2] =?UTF-8?q?Fix=20functions=E2=80=98=20class=20attribut?=
 =?UTF-8?q?ion=20error?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../py_video/py_bg_subtraction/py_bg_subtraction.markdown     | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/doc/py_tutorials/py_video/py_bg_subtraction/py_bg_subtraction.markdown b/doc/py_tutorials/py_video/py_bg_subtraction/py_bg_subtraction.markdown
index 2337154edd..e7f0e0c800 100644
--- a/doc/py_tutorials/py_video/py_bg_subtraction/py_bg_subtraction.markdown
+++ b/doc/py_tutorials/py_video/py_bg_subtraction/py_bg_subtraction.markdown
@@ -48,7 +48,7 @@ import cv2 as cv
 
 cap = cv.VideoCapture('vtest.avi')
 
-fgbg = cv.createBackgroundSubtractorMOG()
+fgbg = cv.bgsegm.createBackgroundSubtractorMOG()
 
 while(1):
     ret, frame = cap.read()
@@ -125,7 +125,7 @@ import cv2 as cv
 cap = cv.VideoCapture('vtest.avi')
 
 kernel = cv.getStructuringElement(cv.MORPH_ELLIPSE,(3,3))
-fgbg = cv.createBackgroundSubtractorGMG()
+fgbg = cv.bgsegm.createBackgroundSubtractorGMG()
 
 while(1):
     ret, frame = cap.read()

From 0a4b1b8d68aa794fe30f445a481032b4c6ebd2b8 Mon Sep 17 00:00:00 2001
From: wxzs5 <790230517@qq.com>
Date: Wed, 27 Dec 2017 11:57:58 +0800
Subject: [PATCH 2/2] Use class' method to set attribute value

---
 .../py_feature2d/py_surf_intro/py_surf_intro.markdown           | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/py_tutorials/py_feature2d/py_surf_intro/py_surf_intro.markdown b/doc/py_tutorials/py_feature2d/py_surf_intro/py_surf_intro.markdown
index 10288cad7e..e14fac5773 100644
--- a/doc/py_tutorials/py_feature2d/py_surf_intro/py_surf_intro.markdown
+++ b/doc/py_tutorials/py_feature2d/py_surf_intro/py_surf_intro.markdown
@@ -147,7 +147,7 @@ Finally we check the descriptor size and change it to 128 if it is only 64-dim.
  False
 
 # So we make it to True to get 128-dim descriptors.
->>> surf.extended = True
+>>> surf.setExtended(True)
 >>> kp, des = surf.detectAndCompute(img,None)
 >>> print( surf.descriptorSize() )
 128