Merge pull request opencv#14994 from terfendail:wintr_undistort

WUI based implementation to initUndistortRectifyMap (opencv#14994) * Add initUndistortRectifyMap performance test * Move cv namespace boundaries * Add wide universal intrinsics based implementation to initUndistortRectifyMap * Dispatch undistort
Aleksey-collab · Jul 18, 2019 · e0f8bb8 · e0f8bb8
1 parent 12fdaf8
commit e0f8bb8
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Showing 6 changed files with 378 additions and 402 deletions.
diff --git a/modules/imgproc/CMakeLists.txt b/modules/imgproc/CMakeLists.txt
@@ -9,4 +9,5 @@ ocv_add_dispatched_file(color_yuv SSE2 SSE4_1 AVX2)
 ocv_add_dispatched_file(median_blur SSE2 SSE4_1 AVX2)
 ocv_add_dispatched_file(morph SSE2 SSE4_1 AVX2)
 ocv_add_dispatched_file(smooth SSE2 SSE4_1 AVX2)
+ocv_add_dispatched_file(undistort SSE2 AVX2)
 ocv_define_module(imgproc opencv_core WRAP java python js)
diff --git a/modules/imgproc/perf/perf_warp.cpp b/modules/imgproc/perf/perf_warp.cpp
@@ -290,4 +290,15 @@ PERF_TEST(Transform, getPerspectiveTransform_1000)
     SANITY_CHECK_NOTHING();
 }
 
+PERF_TEST(Undistort, InitUndistortMap)
+{
+    Size size_w_h(512 + 3, 512);
+    Mat k(3, 3, CV_32FC1);
+    Mat d(1, 14, CV_64FC1);
+    Mat dst(size_w_h, CV_32FC2);
+    declare.in(k, d, WARMUP_RNG).out(dst);
+    TEST_CYCLE() initUndistortRectifyMap(k, d, noArray(), k, size_w_h, CV_32FC2, dst, noArray());
+    SANITY_CHECK_NOTHING();
+}
+
 } // namespace
diff --git a/modules/imgproc/src/undistort.avx2.cpp b/modules/imgproc/src/undistort.avx2.cpp