COMPMID-378 - Implemented reference implementation and tests (NEON and CL) for Non Linear Filter
Change-Id: I1b81e030a27cf01d098247a87d047099616e2a39
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/78531
Reviewed-by: Moritz Pflanzer <moritz.pflanzer@arm.com>
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
diff --git a/tests/validation/NEON/NonLinearFilter.cpp b/tests/validation/NEON/NonLinearFilter.cpp
new file mode 100644
index 0000000..3b71eaa
--- /dev/null
+++ b/tests/validation/NEON/NonLinearFilter.cpp
@@ -0,0 +1,217 @@
+/*
+ * Copyright (c) 2017 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 "Globals.h"
+#include "NEON/Helper.h"
+#include "NEON/NEAccessor.h"
+#include "PaddingCalculator.h"
+#include "TensorLibrary.h"
+#include "TypePrinter.h"
+#include "Utils.h"
+#include "validation/Datasets.h"
+#include "validation/Helpers.h"
+#include "validation/Reference.h"
+#include "validation/Validation.h"
+#include "validation/ValidationUserConfiguration.h"
+
+#include "arm_compute/core/Helpers.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/NEON/functions/NENonLinearFilter.h"
+#include "arm_compute/runtime/Tensor.h"
+#include "arm_compute/runtime/TensorAllocator.h"
+
+#include "boost_wrapper.h"
+
+#include <random>
+#include <string>
+
+using namespace arm_compute;
+using namespace arm_compute::test;
+using namespace arm_compute::test::neon;
+using namespace arm_compute::test::validation;
+
+namespace
+{
+/** Compute NonLinearFilter function.
+ *
+ * @param[in] input Shape of the input and output tensors.
+ * @param[in] function Non linear function to perform
+ * @param[in] mask_size Mask size. Supported sizes: 3, 5
+ * @param[in] pattern Mask pattern
+ * @param[in] mask The given mask. Will be used only if pattern is specified to PATTERN_OTHER
+ * @param[in] border_mode Strategy to use for borders.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ *
+ * @return Computed output tensor.
+ */
+Tensor compute_non_linear_filter(const TensorShape &shape, NonLinearFilterFunction function, unsigned int mask_size,
+ MatrixPattern pattern, const uint8_t *mask, BorderMode border_mode,
+ uint8_t constant_border_value)
+{
+ // Create tensors
+ Tensor src = create_tensor(shape, DataType::U8);
+ Tensor dst = create_tensor(shape, DataType::U8);
+
+ // Create and configure function
+ NENonLinearFilter filter;
+ filter.configure(&src, &dst, function, mask_size, pattern, mask, border_mode, constant_border_value);
+
+ // Allocate tensors
+ src.allocator()->allocate();
+ dst.allocator()->allocate();
+
+ BOOST_TEST(!src.info()->is_resizable());
+ BOOST_TEST(!dst.info()->is_resizable());
+
+ // Fill tensors
+ library->fill_tensor_uniform(NEAccessor(src), 0);
+
+ // Compute function
+ filter.run();
+
+ return dst;
+}
+} // namespace
+
+#ifndef DOXYGEN_SKIP_THIS
+BOOST_AUTO_TEST_SUITE(NEON)
+BOOST_AUTO_TEST_SUITE(NonLinearFilter)
+
+BOOST_TEST_DECORATOR(*boost::unit_test::label("precommit") * boost::unit_test::label("nightly"))
+BOOST_DATA_TEST_CASE(Configuration, (SmallShapes() + LargeShapes())
+ * NonLinearFilterFunctions() * boost::unit_test::data::make({ 3U, 5U })
+ * MatrixPatterns() * BorderModes(),
+ shape, function, mask_size, pattern, border_mode)
+{
+ std::mt19937 generator(user_config.seed.get());
+ std::uniform_int_distribution<uint8_t> distribution_u8(0, 255);
+ const uint8_t constant_border_value = distribution_u8(generator);
+
+ // Create the mask
+ uint8_t mask[mask_size * mask_size];
+ fill_mask_from_pattern(mask, mask_size, mask_size, pattern);
+ const auto half_mask_size = static_cast<int>(mask_size / 2);
+
+ // Create tensors
+ Tensor src = create_tensor(shape, DataType::U8);
+ Tensor dst = create_tensor(shape, DataType::U8);
+
+ BOOST_TEST(src.info()->is_resizable());
+ BOOST_TEST(dst.info()->is_resizable());
+
+ // Create and configure function
+ NENonLinearFilter filter;
+ filter.configure(&src, &dst, function, mask_size, pattern, mask, border_mode, constant_border_value);
+
+ // Validate valid region
+ const ValidRegion src_valid_region = shape_to_valid_region(shape);
+ ValidRegion dst_valid_region = shape_to_valid_region(shape);
+ if(border_mode == BorderMode::UNDEFINED)
+ {
+ dst_valid_region = shape_to_valid_region_undefined_border(shape, BorderSize(half_mask_size));
+ }
+
+ validate(src.info()->valid_region(), src_valid_region);
+ validate(dst.info()->valid_region(), dst_valid_region);
+
+ // Validate padding
+ PaddingCalculator calculator(shape.x(), ((MatrixPattern::OTHER == pattern) ? 1 : 8));
+ calculator.set_border_mode(border_mode);
+ calculator.set_border_size(half_mask_size);
+
+ const PaddingSize write_padding = calculator.required_padding(PaddingCalculator::Option::EXCLUDE_BORDER);
+
+ calculator.set_accessed_elements(16);
+ calculator.set_access_offset(-half_mask_size);
+
+ const PaddingSize read_padding = calculator.required_padding(PaddingCalculator::Option::INCLUDE_BORDER);
+
+ validate(src.info()->padding(), read_padding);
+ validate(dst.info()->padding(), write_padding);
+}
+
+BOOST_TEST_DECORATOR(*boost::unit_test::label("precommit"))
+BOOST_DATA_TEST_CASE(RunSmall, SmallShapes()
+ * NonLinearFilterFunctions() * boost::unit_test::data::make({ 3U, 5U })
+ * MatrixPatterns() * BorderModes(),
+ shape, function, mask_size, pattern, border_mode)
+{
+ std::mt19937 generator(user_config.seed.get());
+ std::uniform_int_distribution<uint8_t> distribution_u8(0, 255);
+ const uint8_t constant_border_value = distribution_u8(generator);
+
+ // Create the mask
+ uint8_t mask[mask_size * mask_size];
+ fill_mask_from_pattern(mask, mask_size, mask_size, pattern);
+
+ // Compute function
+ Tensor dst = compute_non_linear_filter(shape, function, mask_size, pattern, mask, border_mode, constant_border_value);
+
+ // Compute reference
+ RawTensor ref_dst = Reference::compute_reference_non_linear_filter(shape, function, mask_size, pattern, mask, border_mode, constant_border_value);
+
+ // Calculate valid region
+ ValidRegion valid_region = shape_to_valid_region(shape);
+ if(border_mode == BorderMode::UNDEFINED)
+ {
+ valid_region = shape_to_valid_region_undefined_border(shape, BorderSize(static_cast<int>(mask_size / 2)));
+ }
+
+ // Validate output
+ validate(NEAccessor(dst), ref_dst, valid_region);
+}
+
+BOOST_TEST_DECORATOR(*boost::unit_test::label("nightly"))
+BOOST_DATA_TEST_CASE(RunLarge, LargeShapes()
+ * NonLinearFilterFunctions() * boost::unit_test::data::make({ 3U, 5U })
+ * MatrixPatterns() * BorderModes(),
+ shape, function, mask_size, pattern, border_mode)
+{
+ std::mt19937 generator(user_config.seed.get());
+ std::uniform_int_distribution<uint8_t> distribution_u8(0, 255);
+ const uint8_t constant_border_value = distribution_u8(generator);
+
+ // Create the mask
+ uint8_t mask[mask_size * mask_size];
+ fill_mask_from_pattern(mask, mask_size, mask_size, pattern);
+
+ // Compute function
+ Tensor dst = compute_non_linear_filter(shape, function, mask_size, pattern, mask, border_mode, constant_border_value);
+
+ // Compute reference
+ RawTensor ref_dst = Reference::compute_reference_non_linear_filter(shape, function, mask_size, pattern, mask, border_mode, constant_border_value);
+
+ // Calculate valid region
+ ValidRegion valid_region = shape_to_valid_region(shape);
+ if(border_mode == BorderMode::UNDEFINED)
+ {
+ valid_region = shape_to_valid_region_undefined_border(shape, BorderSize(static_cast<int>(mask_size / 2)));
+ }
+
+ // Validate output
+ validate(NEAccessor(dst), ref_dst, valid_region);
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+BOOST_AUTO_TEST_SUITE_END()
+#endif