diff --git a/src/simpleocv.cpp b/src/simpleocv.cpp
index f2a68f6cb525..9220d8ddc100 100644
--- a/src/simpleocv.cpp
+++ b/src/simpleocv.cpp
@@ -339,6 +339,30 @@ void resize(const Mat& src, Mat& dst, const Size& size, float sw, float sh, int
 
     dst = tmp;
 }
+
+void copyMakeBorder(const Mat& src, Mat& dst, int top, int bottom, int left, int right, BorderType borderType, const Scalar& value = Scalar())
+{
+    ncnn::BorderType ncnn_border_type;
+    switch (borderType)
+    {
+    case BORDER_CONSTANT:
+        ncnn_border_type = ncnn::BORDER_CONSTANT;
+        break;
+    case BORDER_REPLICATE:
+        ncnn_border_type = ncnn::BORDER_REPLICATE;
+        break;
+    case BORDER_REFLECT:
+        ncnn_border_type = ncnn::BORDER_REFLECT;
+        break;
+    case BORDER_TRANSPARENT:
+        ncnn_border_type = ncnn::BORDER_TRANSPARENT;
+        break;
+    default:
+        ncnn_border_type = ncnn::BORDER_CONSTANT;
+        break;
+    }
+    ncnn::copy_make_border(src, dst, top, bottom, left, right, ncnn_border_type, value[0]);
+}
 #endif // NCNN_PIXEL
 
 #if NCNN_PIXEL_DRAWING
diff --git a/src/simpleocv.h b/src/simpleocv.h
index 650e5203de61..4cc1358fd4e5 100644
--- a/src/simpleocv.h
+++ b/src/simpleocv.h
@@ -452,6 +452,19 @@ NCNN_EXPORT int waitKey(int delay = 0);
 
 #if NCNN_PIXEL
 NCNN_EXPORT void resize(const Mat& src, Mat& dst, const Size& size, float sw = 0.f, float sh = 0.f, int flags = 0);
+enum BorderType
+{
+    BORDER_CONSTANT = 0,
+    BORDER_REPLICATE = 1,
+    BORDER_REFLECT = 2,
+    BORDER_WRAP = 3,
+    BORDER_REFLECT_101 = 4,
+    BORDER_TRANSPARENT = 5,
+    BORDER_REFLECT101 = BORDER_REFLECT_101,
+    BORDER_DEFAULT = BORDER_REFLECT_101,
+    BORDER_ISOLATED = 16
+};
+NCNN_EXPORT void copyMakeBorder(const Mat& src, Mat& dst, int top, int bottom, int left, int right, BorderType borderType, const Scalar& value = Scalar());
 #endif // NCNN_PIXEL
 
 #if NCNN_PIXEL_DRAWING