diff --git a/doc/py_tutorials/py_feature2d/py_features_harris/py_features_harris.markdown b/doc/py_tutorials/py_feature2d/py_features_harris/py_features_harris.markdown
index 4cb01e32a0..7297eb403d 100644
--- a/doc/py_tutorials/py_feature2d/py_features_harris/py_features_harris.markdown
+++ b/doc/py_tutorials/py_feature2d/py_features_harris/py_features_harris.markdown
@@ -77,7 +77,7 @@ See the example below:
 import cv2
 import numpy as np
 
-filename = 'chessboard.jpg'
+filename = 'chessboard.png'
 img = cv2.imread(filename)
 gray = cv2.cvtColor(img,cv2.COLOR_BGR2GRAY)
 
diff --git a/doc/py_tutorials/py_feature2d/py_shi_tomasi/py_shi_tomasi.markdown b/doc/py_tutorials/py_feature2d/py_shi_tomasi/py_shi_tomasi.markdown
index d42b10ba2b..5731e2157e 100644
--- a/doc/py_tutorials/py_feature2d/py_shi_tomasi/py_shi_tomasi.markdown
+++ b/doc/py_tutorials/py_feature2d/py_shi_tomasi/py_shi_tomasi.markdown
@@ -50,7 +50,7 @@ import numpy as np
 import cv2
 from matplotlib import pyplot as plt
 
-img = cv2.imread('simple.jpg')
+img = cv2.imread('blox.jpg')
 gray = cv2.cvtColor(img,cv2.COLOR_BGR2GRAY)
 
 corners = cv2.goodFeaturesToTrack(gray,25,0.01,10)
diff --git a/samples/data/blox.jpg b/samples/data/blox.jpg
new file mode 100644
index 0000000000..b682b2c0aa
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diff --git a/samples/data/butterfly.jpg b/samples/data/butterfly.jpg
new file mode 100644
index 0000000000..67d60f0555
Binary files /dev/null and b/samples/data/butterfly.jpg differ
diff --git a/samples/data/chessboard.png b/samples/data/chessboard.png
new file mode 100644
index 0000000000..39bb399e89
Binary files /dev/null and b/samples/data/chessboard.png differ
diff --git a/samples/data/home.jpg b/samples/data/home.jpg
new file mode 100644
index 0000000000..7528a7d776
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diff --git a/samples/data/left.jpg b/samples/data/left.jpg
new file mode 100644
index 0000000000..f4c26303a2
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diff --git a/samples/data/messi5.jpg b/samples/data/messi5.jpg
new file mode 100644
index 0000000000..cd437610fe
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diff --git a/samples/data/right.jpg b/samples/data/right.jpg
new file mode 100644
index 0000000000..4a4bc53451
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