diff --git a/modules/core/perf/opencl/perf_channels.cpp b/modules/core/perf/opencl/perf_channels.cpp
index 4856ed4c39..3a25bc3094 100644
--- a/modules/core/perf/opencl/perf_channels.cpp
+++ b/modules/core/perf/opencl/perf_channels.cpp
@@ -154,6 +154,50 @@ OCL_PERF_TEST_P(MixChannelsFixture, MixChannels,
     SANITY_CHECK(dst1);
 }
 
+///////////// InsertChannel ////////////////////////
+
+typedef Size_MatDepth InsertChannelFixture;
+
+OCL_PERF_TEST_P(InsertChannelFixture, InsertChannel,
+                ::testing::Combine(Values(OCL_SIZE_1, OCL_SIZE_2, OCL_SIZE_3),
+                                   OCL_PERF_ENUM(CV_8U, CV_32F)))
+{
+    const Size_MatDepth_t params = GetParam();
+    const Size srcSize = get<0>(params);
+    const int depth = get<1>(params), type = CV_MAKE_TYPE(depth, 3);
+
+    checkDeviceMaxMemoryAllocSize(srcSize, type);
+
+    UMat src(srcSize, depth), dst(srcSize, type, Scalar::all(17));
+    declare.in(src, WARMUP_RNG).out(dst);
+
+    OCL_TEST_CYCLE() cv::insertChannel(src, dst, 1);
+
+    SANITY_CHECK(dst);
+}
+
+///////////// ExtractChannel ////////////////////////
+
+typedef Size_MatDepth ExtractChannelFixture;
+
+OCL_PERF_TEST_P(ExtractChannelFixture, ExtractChannel,
+                ::testing::Combine(Values(OCL_SIZE_1, OCL_SIZE_2, OCL_SIZE_3),
+                                   OCL_PERF_ENUM(CV_8U, CV_32F)))
+{
+    const Size_MatDepth_t params = GetParam();
+    const Size srcSize = get<0>(params);
+    const int depth = get<1>(params), type = CV_MAKE_TYPE(depth, 3);
+
+    checkDeviceMaxMemoryAllocSize(srcSize, type);
+
+    UMat src(srcSize, type), dst(srcSize, depth);
+    declare.in(src, WARMUP_RNG).out(dst);
+
+    OCL_TEST_CYCLE() cv::extractChannel(src, dst, 1);
+
+    SANITY_CHECK(dst);
+}
+
 } } // namespace cvtest::ocl
 
 #endif // HAVE_OPENCL
diff --git a/modules/core/src/convert.cpp b/modules/core/src/convert.cpp
index 9778da18e7..4558d09d94 100644
--- a/modules/core/src/convert.cpp
+++ b/modules/core/src/convert.cpp
@@ -763,20 +763,41 @@ void cv::mixChannels(InputArrayOfArrays src, InputOutputArrayOfArrays dst,
 
 void cv::extractChannel(InputArray _src, OutputArray _dst, int coi)
 {
-    Mat src = _src.getMat();
-    CV_Assert( 0 <= coi && coi < src.channels() );
-    _dst.create(src.dims, &src.size[0], src.depth());
-    Mat dst = _dst.getMat();
+    int type = _src.type(), depth = CV_MAT_DEPTH(type), cn = CV_MAT_CN(type);
+    CV_Assert( 0 <= coi && coi < cn );
     int ch[] = { coi, 0 };
+
+    if (ocl::useOpenCL() && _src.dims() <= 2 && _dst.isUMat())
+    {
+        UMat src = _src.getUMat();
+        _dst.create(src.dims, &src.size[0], depth);
+        UMat dst = _dst.getUMat();
+        mixChannels(std::vector<UMat>(1, src), std::vector<UMat>(1, dst), ch, 1);
+        return;
+    }
+
+    Mat src = _src.getMat();
+    _dst.create(src.dims, &src.size[0], depth);
+    Mat dst = _dst.getMat();
     mixChannels(&src, 1, &dst, 1, ch, 1);
 }
 
 void cv::insertChannel(InputArray _src, InputOutputArray _dst, int coi)
 {
-    Mat src = _src.getMat(), dst = _dst.getMat();
-    CV_Assert( src.size == dst.size && src.depth() == dst.depth() );
-    CV_Assert( 0 <= coi && coi < dst.channels() && src.channels() == 1 );
+    int stype = _src.type(), sdepth = CV_MAT_DEPTH(stype), scn = CV_MAT_CN(stype);
+    int dtype = _dst.type(), ddepth = CV_MAT_DEPTH(dtype), dcn = CV_MAT_CN(dtype);
+    CV_Assert( _src.sameSize(_dst) && sdepth == ddepth );
+    CV_Assert( 0 <= coi && coi < dcn && scn == 1 );
+
     int ch[] = { 0, coi };
+    if (ocl::useOpenCL() && _src.dims() <= 2 && _dst.isUMat())
+    {
+        UMat src = _src.getUMat(), dst = _dst.getUMat();
+        mixChannels(std::vector<UMat>(1, src), std::vector<UMat>(1, dst), ch, 1);
+        return;
+    }
+
+    Mat src = _src.getMat(), dst = _dst.getMat();
     mixChannels(&src, 1, &dst, 1, ch, 1);
 }
 
diff --git a/modules/core/test/ocl/test_split_merge.cpp b/modules/core/test/ocl/test_channels.cpp
similarity index 82%
rename from modules/core/test/ocl/test_split_merge.cpp
rename to modules/core/test/ocl/test_channels.cpp
index d7fdcea7c7..09d709e911 100644
--- a/modules/core/test/ocl/test_split_merge.cpp
+++ b/modules/core/test/ocl/test_channels.cpp
@@ -353,11 +353,105 @@ OCL_TEST_P(MixChannels, Accuracy)
     }
 }
 
+//////////////////////////////////////// InsertChannel ///////////////////////////////////////////////
+
+PARAM_TEST_CASE(InsertChannel, MatDepth, Channels, bool)
+{
+    int depth, cn, coi;
+    bool use_roi;
+
+    TEST_DECLARE_INPUT_PARAMETER(src)
+    TEST_DECLARE_OUTPUT_PARAMETER(dst)
+
+    virtual void SetUp()
+    {
+        depth = GET_PARAM(0);
+        cn = GET_PARAM(1);
+        use_roi = GET_PARAM(2);
+    }
+
+    void generateTestData()
+    {
+        Size roiSize = randomSize(1, MAX_VALUE);
+        coi = randomInt(0, cn);
+
+        Border srcBorder = randomBorder(0, use_roi ? MAX_VALUE : 0);
+        randomSubMat(src, src_roi, roiSize, srcBorder, depth, 2, 11);
+
+        Border dstBorder = randomBorder(0, use_roi ? MAX_VALUE : 0);
+        randomSubMat(dst, dst_roi, roiSize, dstBorder, CV_MAKE_TYPE(depth, cn), 5, 16);
+
+        UMAT_UPLOAD_INPUT_PARAMETER(src)
+        UMAT_UPLOAD_OUTPUT_PARAMETER(dst)
+    }
+};
+
+OCL_TEST_P(InsertChannel, Accuracy)
+{
+    for(int j = 0; j < test_loop_times; j++)
+    {
+        generateTestData();
+
+        OCL_OFF(cv::insertChannel(src_roi, dst_roi, coi));
+        OCL_ON(cv::insertChannel(usrc_roi, udst_roi, coi));
+
+        OCL_EXPECT_MATS_NEAR(dst, 0);
+    }
+}
+
+//////////////////////////////////////// ExtractChannel ///////////////////////////////////////////////
+
+PARAM_TEST_CASE(ExtractChannel, MatDepth, Channels, bool)
+{
+    int depth, cn, coi;
+    bool use_roi;
+
+    TEST_DECLARE_INPUT_PARAMETER(src)
+    TEST_DECLARE_OUTPUT_PARAMETER(dst)
+
+    virtual void SetUp()
+    {
+        depth = GET_PARAM(0);
+        cn = GET_PARAM(1);
+        use_roi = GET_PARAM(2);
+    }
+
+    void generateTestData()
+    {
+        Size roiSize = randomSize(1, MAX_VALUE);
+        coi = randomInt(0, cn);
+
+        Border srcBorder = randomBorder(0, use_roi ? MAX_VALUE : 0);
+        randomSubMat(src, src_roi, roiSize, srcBorder, CV_MAKE_TYPE(depth, cn), 2, 11);
+
+        Border dstBorder = randomBorder(0, use_roi ? MAX_VALUE : 0);
+        randomSubMat(dst, dst_roi, roiSize, dstBorder, depth, 5, 16);
+
+        UMAT_UPLOAD_INPUT_PARAMETER(src)
+        UMAT_UPLOAD_OUTPUT_PARAMETER(dst)
+    }
+};
+
+OCL_TEST_P(ExtractChannel, Accuracy)
+{
+    for(int j = 0; j < test_loop_times; j++)
+    {
+        generateTestData();
+
+        OCL_OFF(cv::extractChannel(src_roi, dst_roi, coi));
+        OCL_ON(cv::extractChannel(usrc_roi, udst_roi, coi));
+
+        OCL_EXPECT_MATS_NEAR(dst, 0);
+    }
+}
+
 //////////////////////////////////////// Instantiation ///////////////////////////////////////////////
 
 OCL_INSTANTIATE_TEST_CASE_P(Channels, Merge, Combine(OCL_ALL_DEPTHS, OCL_ALL_CHANNELS, Bool()));
 OCL_INSTANTIATE_TEST_CASE_P(Channels, Split, Combine(OCL_ALL_DEPTHS, OCL_ALL_CHANNELS, Bool()));
 OCL_INSTANTIATE_TEST_CASE_P(Channels, MixChannels, Combine(OCL_ALL_DEPTHS, Bool()));
+OCL_INSTANTIATE_TEST_CASE_P(Channels, InsertChannel, Combine(OCL_ALL_DEPTHS, OCL_ALL_CHANNELS, Bool()));
+OCL_INSTANTIATE_TEST_CASE_P(Channels, ExtractChannel, Combine(OCL_ALL_DEPTHS, OCL_ALL_CHANNELS, Bool()));
 
 } } // namespace cvtest::ocl
 
diff --git a/modules/ts/include/opencv2/ts/ts_perf.hpp b/modules/ts/include/opencv2/ts/ts_perf.hpp
index fa0e5a2575..de674b7f37 100644
--- a/modules/ts/include/opencv2/ts/ts_perf.hpp
+++ b/modules/ts/include/opencv2/ts/ts_perf.hpp
@@ -379,6 +379,9 @@ template<typename T> class TestBaseWithParam: public TestBase, public ::testing:
 typedef std::tr1::tuple<cv::Size, MatType> Size_MatType_t;
 typedef TestBaseWithParam<Size_MatType_t> Size_MatType;
 
+typedef std::tr1::tuple<cv::Size, MatDepth> Size_MatDepth_t;
+typedef TestBaseWithParam<Size_MatDepth_t> Size_MatDepth;
+
 /*****************************************************************************************\
 *                              Print functions for googletest                             *
 \*****************************************************************************************/