COMPMID-568: Implement Canny edge function for CL/NEON

Change-Id: Ic5f197463f962bac4b23663bcef7ac744be6fc2a
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/114250
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>

1 files changed, 120 insertions, 0 deletions

diff --git a/tests/validation/NEON/CannyEdge.cpp b/tests/validation/NEON/CannyEdge.cpp
new file mode 100644
index 0000000000..5697b622f2
--- /dev/null
+++ b/tests/validation/NEON/CannyEdge.cpp
@@ -0,0 +1,120 @@
+/*
+ * Copyright (c) 2017-2018 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/NEON/functions/NECannyEdge.h"
+#include "arm_compute/runtime/Tensor.h"
+#include "arm_compute/runtime/TensorAllocator.h"
+#include "tests/NEON/Accessor.h"
+#include "tests/NEON/ArrayAccessor.h"
+#include "tests/PaddingCalculator.h"
+#include "tests/datasets/BorderModeDataset.h"
+#include "tests/datasets/ImageFileDatasets.h"
+#include "tests/datasets/ShapeDatasets.h"
+#include "tests/framework/Asserts.h"
+#include "tests/framework/Macros.h"
+#include "tests/framework/datasets/Datasets.h"
+#include "tests/validation/Validation.h"
+#include "tests/validation/fixtures/CannyEdgeFixture.h"
+
+namespace arm_compute
+{
+namespace test
+{
+namespace validation
+{
+namespace
+{
+/* Allowed ratio of mismatches between target and reference (1.0 = 100%) */
+const float allowed_mismatch_ratio = 0.1f;
+
+const auto use_fp16 = framework::dataset::make("UseFP16",
+{
+#ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC
+    true,
+#endif /* __ARM_FEATURE_FP16_VECTOR_ARITHMETIC */
+    false
+});
+
+const auto data = combine(framework::dataset::make("GradientSize", { 3, 5, 7 }),
+                          combine(framework::dataset::make("Normalization", { MagnitudeType::L1NORM, MagnitudeType::L2NORM }), combine(datasets::BorderModes(), use_fp16)));
+} // namespace
+
+TEST_SUITE(NEON)
+TEST_SUITE(CannyEdge)
+
+DATA_TEST_CASE(Configuration, framework::DatasetMode::ALL, combine(combine(concat(datasets::Small2DShapes(), datasets::Large2DShapes()), data), framework::dataset::make("Format", Format::U8)),
+               shape, gradient_size, normalization, border_mode, use_fp16, format)
+{
+    CannyEdgeParameters params = canny_edge_parameters();
+    // Convert normalisation type to integer
+    const auto norm_type = static_cast<int>(normalization) + 1;
+
+    // Create tensors
+    Tensor src = create_tensor<Tensor>(shape, data_type_from_format(format));
+    Tensor dst = create_tensor<Tensor>(shape, data_type_from_format(format));
+    src.info()->set_format(format);
+    dst.info()->set_format(format);
+
+    ARM_COMPUTE_EXPECT(src.info()->is_resizable(), framework::LogLevel::ERRORS);
+    ARM_COMPUTE_EXPECT(dst.info()->is_resizable(), framework::LogLevel::ERRORS);
+
+    // Create Canny edge configure function
+    NECannyEdge canny_edge;
+    canny_edge.configure(&src, &dst, params.upper_thresh, params.lower_thresh, gradient_size, norm_type, border_mode, params.constant_border_value, use_fp16);
+
+    // Validate valid region
+    validate(src.info()->valid_region(), shape_to_valid_region(shape, (BorderMode::UNDEFINED == border_mode)));
+    validate(dst.info()->valid_region(), shape_to_valid_region(shape, (BorderMode::UNDEFINED == border_mode)));
+
+    // Validate padding
+    PaddingCalculator calculator(shape.x(), 8);
+    calculator.set_border_mode(border_mode);
+    calculator.set_border_size(gradient_size / 2);
+    calculator.set_access_offset(-gradient_size / 2);
+    calculator.set_accessed_elements(16);
+
+    validate(src.info()->padding(), calculator.required_padding());
+    validate(dst.info()->padding(), PaddingSize{ 1 });
+}
+
+template <typename T>
+using NECannyEdgeFixture = CannyEdgeValidationFixture<Tensor, Accessor, KeyPointArray, NECannyEdge, T>;
+
+FIXTURE_DATA_TEST_CASE(RunSmall, NECannyEdgeFixture<uint8_t>, framework::DatasetMode::PRECOMMIT, combine(combine(datasets::SmallImageFiles(), data), framework::dataset::make("Format", Format::U8)))
+{
+    // Validate output
+    validate(Accessor(_target), _reference, AbsoluteTolerance<uint8_t>(0), allowed_mismatch_ratio);
+}
+
+FIXTURE_DATA_TEST_CASE(RunLarge, NECannyEdgeFixture<uint8_t>, framework::DatasetMode::NIGHTLY, combine(combine(datasets::LargeImageFiles(), data), framework::dataset::make("Format", Format::U8)))
+{
+    // Validate output
+    validate(Accessor(_target), _reference, AbsoluteTolerance<uint8_t>(0), allowed_mismatch_ratio);
+}
+
+TEST_SUITE_END()
+TEST_SUITE_END()
+} // namespace validation
+} // namespace test
+} // namespace arm_compute