cv::cvtColor

modules/imgproc/perf/perf_blur.cpp

@@ -98,6 +98,11 @@ PERF_TEST_P(Size_MatType_BorderType, blur16x16,
     Size size = get<0>(GetParam());
     int type = get<1>(GetParam());
     BorderType btype = get<2>(GetParam());
+    double eps = 1e-3;
+
+#if CV_NEON
+    eps = CV_MAT_DEPTH(type) <= CV_32S ? 1 : eps;
+#endif
 
     Mat src(size, type);
     Mat dst(size, type);
@@ -106,7 +111,7 @@ PERF_TEST_P(Size_MatType_BorderType, blur16x16,
 
     TEST_CYCLE() blur(src, dst, Size(16,16), Point(-1,-1), btype);
 
-    SANITY_CHECK(dst, 1e-3);
+    SANITY_CHECK(dst, eps);
 }
 
 PERF_TEST_P(Size_MatType_BorderType3x3, box3x3,

modules/imgproc/src/imgwarp.cpp

@@ -3580,14 +3580,6 @@ public:
                                     _mm_storeu_si128((__m128i*)(XY + x1*2 + 8), iy1);
                                 }
                             }
-                        #elif CV_NEON
-                            for( ; x1 <= bcols - 4; x1 += 4 )
-                            {
-                                int32x4_t v_sx = cv_vrndq_s32_f32(vld1q_f32(sX + x1)),
-                                          v_sy = cv_vrndq_s32_f32(vld1q_f32(sY + x1));
-                                int16x4x2_t v_dst = vzip_s16(vqmovn_s32(v_sx), vqmovn_s32(v_sy));
-                                vst1q_s16(XY + (x1 << 1), vcombine_s16(v_dst.val[0], v_dst.val[1]));
-                            }
                         #endif
 
                             for( ; x1 < bcols; x1++ )