COMPMID-580 - Implement reference and CL/NEON validation for Remap

Change-Id: I8ae6b5111b594f224ad9b600cdf078459a8cac36
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/93281
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>

8 files changed, 527 insertions, 8 deletions

diff --git a/arm_compute/core/NEON/kernels/NERemapKernel.h b/arm_compute/core/NEON/kernels/NERemapKernel.h
index 5806275cea..7aa5de7a3a 100644
--- a/arm_compute/core/NEON/kernels/NERemapKernel.h
+++ b/arm_compute/core/NEON/kernels/NERemapKernel.h
@@ -60,6 +60,7 @@ public:
 
     // Inherited methods overridden:
     void run(const Window &window, const ThreadInfo &info) override;
+    BorderSize border_size() const override;
 
 private:
     /** function to perform nearest interpolation on the given window */
diff --git a/src/core/CL/kernels/CLRemapKernel.cpp b/src/core/CL/kernels/CLRemapKernel.cpp
index e63a5ef7c6..b46bb30c59 100644
--- a/src/core/CL/kernels/CLRemapKernel.cpp
+++ b/src/core/CL/kernels/CLRemapKernel.cpp
@@ -54,6 +54,7 @@ void CLRemapKernel::configure(const ICLTensor *input, const ICLTensor *map_x, co
     ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(map_x, 1, DataType::F32);
     ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(map_y, 1, DataType::F32);
     ARM_COMPUTE_ERROR_ON_MSG(policy == InterpolationPolicy::AREA, "Area interpolation is not supported!");
+    ARM_COMPUTE_UNUSED(border_undefined);
 
     _input  = input;
     _output = output;
@@ -69,12 +70,14 @@ void CLRemapKernel::configure(const ICLTensor *input, const ICLTensor *map_x, co
 
     // Configure window
     constexpr unsigned int num_elems_processed_per_iteration = 4;
-    const int              border_offset                     = (border_undefined) ? 0 : border_size().left;
+
+    const int total_right  = ceil_to_multiple(input->info()->dimension(0), num_elems_processed_per_iteration);
+    const int access_right = total_right + (((total_right - input->info()->dimension(0)) == 0) ? border_size().right : 0);
 
     Window             win = calculate_max_window(*_output->info(), Steps(num_elems_processed_per_iteration));
-    AccessWindowStatic input_access(output->info(), -border_offset, -border_offset,
-                                    _output->info()->dimension(0) + border_offset, _output->info()->dimension(1) + border_offset);
-    AccessWindowHorizontal output_access(input->info(), 0, num_elems_processed_per_iteration);
+    AccessWindowStatic input_access(input->info(), -border_size().left, -border_size().top, access_right, input->info()->dimension(1) + border_size().bottom);
+
+    AccessWindowHorizontal output_access(output->info(), 0, num_elems_processed_per_iteration);
 
     update_window_and_padding(win, input_access, output_access);
 
diff --git a/src/core/NEON/kernels/NERemapKernel.cpp b/src/core/NEON/kernels/NERemapKernel.cpp
index 83004aedc1..9b8d931b39 100644
--- a/src/core/NEON/kernels/NERemapKernel.cpp
+++ b/src/core/NEON/kernels/NERemapKernel.cpp
@@ -68,6 +68,11 @@ NERemapKernel::NERemapKernel()
 {
 }
 
+BorderSize NERemapKernel::border_size() const
+{
+    return BorderSize(1);
+}
+
 void NERemapKernel::configure(const ITensor *input, const ITensor *map_x, const ITensor *map_y, ITensor *output, InterpolationPolicy policy)
 {
     ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8);
@@ -102,15 +107,19 @@ void NERemapKernel::configure(const ITensor *input, const ITensor *map_x, const
     // Configure kernel window
     Window win = calculate_max_window(*output->info(), Steps(num_elems_processed_per_iteration));
 
-    AccessWindowStatic output_access(output->info(), 0, 0, output->info()->dimension(0), output->info()->dimension(1));
+    const int total_right  = ceil_to_multiple(input->info()->dimension(0), num_elems_processed_per_iteration);
+    const int access_right = total_right + (((total_right - input->info()->dimension(0)) == 0) ? border_size().right : 0);
+
+    AccessWindowStatic input_access(input->info(), -border_size().left, -border_size().top, access_right, input->info()->dimension(1) + border_size().bottom);
+
+    AccessWindowHorizontal output_access(output->info(), 0, num_elems_processed_per_iteration);
 
-    update_window_and_padding(win,
-                              AccessWindowRectangle(input->info(), 0, 0, num_elems_processed_per_iteration, 1),
+    update_window_and_padding(win, input_access,
                               AccessWindowRectangle(map_x->info(), 0, 0, num_elems_processed_per_iteration, 1),
                               AccessWindowRectangle(map_y->info(), 0, 0, num_elems_processed_per_iteration, 1),
                               output_access);
 
-    output_access.set_valid_region(win, ValidRegion(Coordinates(0, 0), output->info()->tensor_shape()));
+    output_access.set_valid_region(win, ValidRegion(Coordinates(), output->info()->tensor_shape()));
 
     INEKernel::configure(win);
 }
diff --git a/tests/validation/CL/Remap.cpp b/tests/validation/CL/Remap.cpp
new file mode 100644
index 0000000000..2f08285eb2
--- /dev/null
+++ b/tests/validation/CL/Remap.cpp
@@ -0,0 +1,112 @@
+/*
+ * 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 "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/functions/CLRemap.h"
+#include "arm_compute/runtime/Tensor.h"
+#include "arm_compute/runtime/TensorAllocator.h"
+#include "tests/CL/CLAccessor.h"
+#include "tests/PaddingCalculator.h"
+#include "tests/datasets/BorderModeDataset.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/RemapFixture.h"
+
+namespace arm_compute
+{
+namespace test
+{
+namespace validation
+{
+namespace
+{
+constexpr AbsoluteTolerance<uint8_t> tolerance_value(1);
+constexpr float                      tolerance_number = 0.2f;
+} // namespace
+
+TEST_SUITE(CL)
+TEST_SUITE(Remap)
+
+DATA_TEST_CASE(Configuration, framework::DatasetMode::ALL, combine(combine(combine(concat(datasets::SmallShapes(), datasets::LargeShapes()), framework::dataset::make("InterpolationPolicy", { InterpolationPolicy::NEAREST_NEIGHBOR, InterpolationPolicy::BILINEAR })),
+                                                                           framework::dataset::make("DataType", DataType::U8)),
+                                                                   framework::dataset::make("BorderModes", { BorderMode::UNDEFINED, BorderMode::CONSTANT })),
+               shape, policy, data_type, border_mode)
+{
+    CLTensor src   = create_tensor<CLTensor>(shape, data_type);
+    CLTensor map_x = create_tensor<CLTensor>(shape, DataType::F32);
+    CLTensor map_y = create_tensor<CLTensor>(shape, DataType::F32);
+    CLTensor dst   = create_tensor<CLTensor>(shape, data_type);
+
+    ARM_COMPUTE_EXPECT(src.info()->is_resizable(), framework::LogLevel::ERRORS);
+    ARM_COMPUTE_EXPECT(map_x.info()->is_resizable(), framework::LogLevel::ERRORS);
+    ARM_COMPUTE_EXPECT(map_y.info()->is_resizable(), framework::LogLevel::ERRORS);
+    ARM_COMPUTE_EXPECT(dst.info()->is_resizable(), framework::LogLevel::ERRORS);
+
+    // Create and configure function
+    CLRemap remap;
+    remap.configure(&src, &map_x, &map_y, &dst, policy, border_mode);
+
+    // Validate valid region
+    const ValidRegion dst_valid_region = shape_to_valid_region(shape);
+    validate(dst.info()->valid_region(), dst_valid_region);
+
+    // Validate padding
+    const int total_right  = ceil_to_multiple(shape[0], 4);
+    const int access_right = total_right + (((total_right - shape[0]) == 0) ? 1 : 0);
+
+    const PaddingSize read_padding(1, access_right - shape[0], 1, 1);
+    validate(src.info()->padding(), read_padding);
+
+    PaddingCalculator calculator(shape.x(), 4);
+    validate(dst.info()->padding(), calculator.required_padding());
+}
+
+template <typename T>
+using CLRemapFixture = RemapValidationFixture<CLTensor, CLAccessor, CLRemap, T>;
+
+FIXTURE_DATA_TEST_CASE(RunSmall, CLRemapFixture<uint8_t>, framework::DatasetMode::PRECOMMIT, combine(combine(combine(datasets::SmallShapes(), framework::dataset::make("InterpolationPolicy", { InterpolationPolicy::NEAREST_NEIGHBOR, InterpolationPolicy::BILINEAR })),
+                                                                                                             framework::dataset::make("DataType",
+                                                                                                                     DataType::U8)),
+                                                                                                     framework::dataset::make("BorderModes", { BorderMode::UNDEFINED, BorderMode::CONSTANT })))
+{
+    // Validate output
+    validate(CLAccessor(_target), _reference, _valid_mask, tolerance_value, tolerance_number);
+}
+
+FIXTURE_DATA_TEST_CASE(RunLarge, CLRemapFixture<uint8_t>, framework::DatasetMode::NIGHTLY, combine(combine(combine(datasets::LargeShapes(), framework::dataset::make("InterpolationPolicy", { InterpolationPolicy::NEAREST_NEIGHBOR, InterpolationPolicy::BILINEAR })),
+                                                                                                           framework::dataset::make("DataType",
+                                                                                                                   DataType::U8)),
+                                                                                                   framework::dataset::make("BorderModes", { BorderMode::UNDEFINED, BorderMode::CONSTANT })))
+{
+    // Validate output
+    validate(CLAccessor(_target), _reference, _valid_mask, tolerance_value, tolerance_number);
+}
+
+TEST_SUITE_END()
+TEST_SUITE_END()
+} // namespace validation
+} // namespace test
+} // namespace arm_compute
diff --git a/tests/validation/CPP/Remap.cpp b/tests/validation/CPP/Remap.cpp
new file mode 100644
index 0000000000..bef5962fbf
--- /dev/null
+++ b/tests/validation/CPP/Remap.cpp
@@ -0,0 +1,106 @@
+/*
+ * 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 "Remap.h"
+
+#include "Utils.h"
+#include "tests/validation/Helpers.h"
+
+#include <algorithm>
+#include <array>
+
+namespace arm_compute
+{
+namespace test
+{
+namespace validation
+{
+namespace reference
+{
+template <typename T>
+SimpleTensor<T> remap(const SimpleTensor<T> &in, SimpleTensor<float> &map_x, SimpleTensor<float> &map_y, SimpleTensor<T> &valid_mask, InterpolationPolicy policy, BorderMode border_mode,
+                      T constant_border_value)
+{
+    ARM_COMPUTE_ERROR_ON_MSG(border_mode == BorderMode::REPLICATE, "BorderMode not supported");
+
+    SimpleTensor<T> out(in.shape(), in.data_type());
+
+    const int width  = in.shape().x();
+    const int height = in.shape().y();
+
+    for(int idx = 0; idx < out.num_elements(); idx++)
+    {
+        valid_mask[idx] = 1;
+        Coordinates src_idx;
+        src_idx.set(0, static_cast<int>(std::floor(map_x[idx])));
+        src_idx.set(1, static_cast<int>(std::floor(map_y[idx])));
+        if((0 <= map_y[idx]) && (map_y[idx] < height) && (0 <= map_x[idx]) && (map_x[idx] < width))
+        {
+            switch(policy)
+            {
+                case InterpolationPolicy::NEAREST_NEIGHBOR:
+                    out[idx] = tensor_elem_at(in, src_idx, border_mode, constant_border_value);
+                    break;
+                case InterpolationPolicy::BILINEAR:
+                    (valid_bilinear_policy(map_x[idx], map_y[idx], width, height, border_mode)) ? out[idx] = bilinear_policy(in, src_idx, map_x[idx], map_y[idx], border_mode, constant_border_value) : valid_mask[idx] = 0;
+                    break;
+                case InterpolationPolicy::AREA:
+                default:
+                    ARM_COMPUTE_ERROR("Interpolation not supported");
+                    break;
+            }
+        }
+        else
+        {
+            if(border_mode == BorderMode::UNDEFINED)
+            {
+                valid_mask[idx] = 0;
+            }
+            else
+            {
+                switch(policy)
+                {
+                    case InterpolationPolicy::NEAREST_NEIGHBOR:
+                        out[idx] = constant_border_value;
+                        break;
+                    case InterpolationPolicy::BILINEAR:
+                        out[idx] = bilinear_policy(in, src_idx, map_x[idx], map_y[idx], border_mode, constant_border_value);
+                        break;
+                    case InterpolationPolicy::AREA:
+                    default:
+                        break;
+                }
+            }
+        }
+    }
+
+    return out;
+}
+
+template SimpleTensor<uint8_t> remap(const SimpleTensor<uint8_t> &src, SimpleTensor<float> &map_x, SimpleTensor<float> &map_y, SimpleTensor<uint8_t> &valid_mask, InterpolationPolicy policy,
+                                     BorderMode border_mode,
+                                     uint8_t    constant_border_value);
+} // namespace reference
+} // namespace validation
+} // namespace test
+} // namespace arm_compute
diff --git a/tests/validation/CPP/Remap.h b/tests/validation/CPP/Remap.h
new file mode 100644
index 0000000000..918ba95d3c
--- /dev/null
+++ b/tests/validation/CPP/Remap.h
@@ -0,0 +1,44 @@
+/*
+ * 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.
+ */
+#ifndef __ARM_COMPUTE_TEST_REMAP_H__
+#define __ARM_COMPUTE_TEST_REMAP_H__
+
+#include "tests/SimpleTensor.h"
+
+namespace arm_compute
+{
+namespace test
+{
+namespace validation
+{
+namespace reference
+{
+template <typename T>
+SimpleTensor<T> remap(const SimpleTensor<T> &in, SimpleTensor<float> &map_x, SimpleTensor<float> &map_y, SimpleTensor<T> &valid_mask, InterpolationPolicy policy, BorderMode border_mode,
+                      T constant_border_value = 0);
+} // namespace reference
+} // namespace validation
+} // namespace test
+} // namespace arm_compute
+#endif /* __ARM_COMPUTE_TEST_REMAP_H__ */
diff --git a/tests/validation/NEON/Remap.cpp b/tests/validation/NEON/Remap.cpp
new file mode 100644
index 0000000000..6e58000d54
--- /dev/null
+++ b/tests/validation/NEON/Remap.cpp
@@ -0,0 +1,111 @@
+/*
+ * 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 "arm_compute/core/Types.h"
+#include "arm_compute/runtime/NEON/functions/NERemap.h"
+#include "arm_compute/runtime/Tensor.h"
+#include "arm_compute/runtime/TensorAllocator.h"
+#include "tests/NEON/Accessor.h"
+#include "tests/PaddingCalculator.h"
+#include "tests/datasets/BorderModeDataset.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/RemapFixture.h"
+
+namespace arm_compute
+{
+namespace test
+{
+namespace validation
+{
+namespace
+{
+constexpr AbsoluteTolerance<uint8_t> tolerance_value(1);
+constexpr float                      tolerance_number = 0.2f;
+} // namespace
+
+TEST_SUITE(NEON)
+TEST_SUITE(Remap)
+
+DATA_TEST_CASE(Configuration, framework::DatasetMode::ALL, combine(combine(combine(concat(datasets::SmallShapes(), datasets::LargeShapes()), framework::dataset::make("InterpolationPolicy", { InterpolationPolicy::NEAREST_NEIGHBOR, InterpolationPolicy::BILINEAR })),
+                                                                           framework::dataset::make("DataType", DataType::U8)),
+                                                                   framework::dataset::make("BorderModes", { BorderMode::UNDEFINED, BorderMode::CONSTANT })),
+               shape, policy, data_type, border_mode)
+{
+    Tensor src   = create_tensor<Tensor>(shape, data_type);
+    Tensor map_x = create_tensor<Tensor>(shape, DataType::F32);
+    Tensor map_y = create_tensor<Tensor>(shape, DataType::F32);
+    Tensor dst   = create_tensor<Tensor>(shape, data_type);
+
+    ARM_COMPUTE_EXPECT(src.info()->is_resizable(), framework::LogLevel::ERRORS);
+    ARM_COMPUTE_EXPECT(map_x.info()->is_resizable(), framework::LogLevel::ERRORS);
+    ARM_COMPUTE_EXPECT(map_y.info()->is_resizable(), framework::LogLevel::ERRORS);
+    ARM_COMPUTE_EXPECT(dst.info()->is_resizable(), framework::LogLevel::ERRORS);
+
+    // Create and configure function
+    NERemap remap;
+    remap.configure(&src, &map_x, &map_y, &dst, policy, border_mode);
+
+    // Validate valid region
+    const ValidRegion dst_valid_region = shape_to_valid_region(shape);
+    validate(dst.info()->valid_region(), dst_valid_region);
+
+    // Validate padding
+    const int total_right  = ceil_to_multiple(shape[0], 16);
+    const int access_right = total_right + (((total_right - shape[0]) == 0) ? 1 : 0);
+
+    const PaddingSize read_padding(1, access_right - shape[0], 1, 1);
+    validate(src.info()->padding(), read_padding);
+
+    PaddingCalculator calculator(shape.x(), 16);
+    validate(dst.info()->padding(), calculator.required_padding());
+}
+
+template <typename T>
+using NERemapFixture = RemapValidationFixture<Tensor, Accessor, NERemap, T>;
+
+FIXTURE_DATA_TEST_CASE(RunSmall, NERemapFixture<uint8_t>, framework::DatasetMode::PRECOMMIT, combine(combine(combine(datasets::SmallShapes(), framework::dataset::make("InterpolationPolicy", { InterpolationPolicy::NEAREST_NEIGHBOR, InterpolationPolicy::BILINEAR })),
+                                                                                                             framework::dataset::make("DataType",
+                                                                                                                     DataType::U8)),
+                                                                                                     framework::dataset::make("BorderModes", { BorderMode::UNDEFINED, BorderMode::CONSTANT })))
+{
+    // Validate output
+    validate(Accessor(_target), _reference, _valid_mask, tolerance_value, tolerance_number);
+}
+
+FIXTURE_DATA_TEST_CASE(RunLarge, NERemapFixture<uint8_t>, framework::DatasetMode::NIGHTLY, combine(combine(combine(datasets::LargeShapes(), framework::dataset::make("InterpolationPolicy", { InterpolationPolicy::NEAREST_NEIGHBOR, InterpolationPolicy::BILINEAR })),
+                                                                                                           framework::dataset::make("DataType",
+                                                                                                                   DataType::U8)),
+                                                                                                   framework::dataset::make("BorderModes", { BorderMode::UNDEFINED, BorderMode::CONSTANT })))
+{
+    // Validate output
+    validate(Accessor(_target), _reference, _valid_mask, tolerance_value, tolerance_number);
+}
+TEST_SUITE_END()
+TEST_SUITE_END()
+} // namespace validation
+} // namespace test
+} // namespace arm_compute
diff --git a/tests/validation/fixtures/RemapFixture.h b/tests/validation/fixtures/RemapFixture.h
new file mode 100644
index 0000000000..1cff1294ba
--- /dev/null
+++ b/tests/validation/fixtures/RemapFixture.h
@@ -0,0 +1,133 @@
+/*
+ * 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.
+ */
+#ifndef ARM_COMPUTE_TEST_REMAP_FIXTURE
+#define ARM_COMPUTE_TEST_REMAP_FIXTURE
+
+#include "arm_compute/core/TensorShape.h"
+#include "arm_compute/core/Types.h"
+#include "tests/AssetsLibrary.h"
+#include "tests/Globals.h"
+#include "tests/IAccessor.h"
+#include "tests/framework/Asserts.h"
+#include "tests/framework/Fixture.h"
+#include "tests/validation/CPP/Remap.h"
+
+#include <random>
+
+namespace arm_compute
+{
+namespace test
+{
+namespace validation
+{
+template <typename TensorType, typename AccessorType, typename FunctionType, typename T>
+class RemapValidationFixture : public framework::Fixture
+{
+public:
+    template <typename...>
+    void setup(TensorShape shape, InterpolationPolicy policy, DataType data_type, BorderMode border_mode)
+    {
+        std::mt19937                           gen(library->seed());
+        std::uniform_int_distribution<uint8_t> distribution(0, 255);
+        T                                      constant_border_value = static_cast<T>(distribution(gen));
+
+        _target    = compute_target(shape, policy, data_type, border_mode, constant_border_value);
+        _reference = compute_reference(shape, policy, data_type, border_mode, constant_border_value);
+    }
+
+protected:
+    template <typename U>
+    void fill(U &&tensor, int i)
+    {
+        library->fill_tensor_uniform(tensor, i);
+    }
+
+    TensorType compute_target(const TensorShape &shape, InterpolationPolicy policy, DataType data_type, BorderMode border_mode, T constant_border_value)
+    {
+        // Create tensors
+        TensorType src   = create_tensor<TensorType>(shape, data_type);
+        TensorType map_x = create_tensor<TensorType>(shape, DataType::F32);
+        TensorType map_y = create_tensor<TensorType>(shape, DataType::F32);
+        TensorType dst   = create_tensor<TensorType>(shape, data_type);
+
+        // Create and configure function
+        FunctionType remap;
+        remap.configure(&src, &map_x, &map_y, &dst, policy, border_mode, constant_border_value);
+
+        ARM_COMPUTE_EXPECT(src.info()->is_resizable(), framework::LogLevel::ERRORS);
+        ARM_COMPUTE_EXPECT(map_x.info()->is_resizable(), framework::LogLevel::ERRORS);
+        ARM_COMPUTE_EXPECT(map_y.info()->is_resizable(), framework::LogLevel::ERRORS);
+        ARM_COMPUTE_EXPECT(dst.info()->is_resizable(), framework::LogLevel::ERRORS);
+
+        // Allocate tensors
+        src.allocator()->allocate();
+        map_x.allocator()->allocate();
+        map_y.allocator()->allocate();
+        dst.allocator()->allocate();
+
+        ARM_COMPUTE_EXPECT(!src.info()->is_resizable(), framework::LogLevel::ERRORS);
+        ARM_COMPUTE_EXPECT(!map_x.info()->is_resizable(), framework::LogLevel::ERRORS);
+        ARM_COMPUTE_EXPECT(!map_y.info()->is_resizable(), framework::LogLevel::ERRORS);
+        ARM_COMPUTE_EXPECT(!dst.info()->is_resizable(), framework::LogLevel::ERRORS);
+
+        // Fill tensors
+        fill(AccessorType(src), 0);
+        fill(AccessorType(map_x), 1);
+        fill(AccessorType(map_y), 2);
+
+        // Compute function
+        remap.run();
+
+        return dst;
+    }
+
+    SimpleTensor<T> compute_reference(const TensorShape &shape, InterpolationPolicy policy, DataType data_type, BorderMode border_mode, T constant_border_value)
+    {
+        ARM_COMPUTE_ERROR_ON(data_type != DataType::U8);
+
+        // Create reference
+        SimpleTensor<T>     src{ shape, data_type };
+        SimpleTensor<float> map_x{ shape, DataType::F32 };
+        SimpleTensor<float> map_y{ shape, DataType::F32 };
+
+        // Create the valid mask Tensor
+        _valid_mask = SimpleTensor<T> { shape, data_type };
+
+        // Fill reference
+        fill(src, 0);
+        fill(map_x, 1);
+        fill(map_y, 2);
+
+        // Compute reference
+        return reference::remap<T>(src, map_x, map_y, _valid_mask, policy, border_mode, constant_border_value);
+    }
+
+    TensorType      _target{};
+    SimpleTensor<T> _reference{};
+    SimpleTensor<T> _valid_mask{};
+};
+} // namespace validation
+} // namespace test
+} // namespace arm_compute
+#endif /* ARM_COMPUTE_TEST_REMAP_FIXTURE */