vendor: OpenCV 5.0.0 snapshot at 755e50675d97db9b7d449d8bd6b09888646f6c6e

2026-08-22 00:11:13 +08:00
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+Oil painting effect {#tutorial_xphoto_oil_painting_effect}
+===================================================
+
+Introduction
+------------
+Image is converted in a color space default color space COLOR_BGR2GRAY.
+For every pixel in the image a program calculated a histogram (first plane of color space) of the neighbouring of size 2*size+1.
+and assigned the value of the most frequently occurring value. The result looks almost like an oil painting. Parameter 4 of oilPainting is used to decrease image dynamic and hence increase oil painting effect.
+
+Example
+--------------------
+
+
+    @code{.cpp}
+    Mat img;
+    Mat dst;
+    img = imread("opencv/samples/data/baboon.jpg");
+    xphoto::oilPainting(img, dst, 10, 1, COLOR_BGR2Lab);
+    imshow("oil painting effect", dst);
+    @endcode
+
+    Original ![](images/baboon.jpg)
+    Oil painting effect ![](images/baboon_oil_painting_effect.jpg)