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/*
* 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.
*/
#ifndef __ARM_COMPUTE_TEST_FAST_VALIDATION_H__
#define __ARM_COMPUTE_TEST_FAST_VALIDATION_H__
#include "Validation.h"
namespace arm_compute
{
namespace test
{
namespace validation
{
/** Check which keypoints from [first1, last1) are missing in [first2, last2) */
template <typename T, typename U, typename V>
std::pair<int64_t, int64_t> fast_compare_keypoints(T first1, T last1, U first2, U last2, V tolerance, bool check_mismatches = true)
{
/* Keypoint (x,y) should have similar strength (within tolerance) and other properties in both reference and target */
const auto compare_props_eq = [&](const KeyPoint & lhs, const KeyPoint & rhs)
{
return compare<V>(lhs.strength, rhs.strength, tolerance)
&& lhs.tracking_status == rhs.tracking_status
&& lhs.scale == rhs.scale
&& lhs.orientation == rhs.orientation
&& lhs.error == rhs.error;
};
/* Used to sort KeyPoints by coordinates (x, y) */
const auto compare_coords_lt = [](const KeyPoint & lhs, const KeyPoint & rhs)
{
return std::tie(lhs.x, lhs.y) < std::tie(rhs.x, rhs.y);
};
std::sort(first1, last1, compare_coords_lt);
std::sort(first2, last2, compare_coords_lt);
if(check_mismatches)
{
std::cout << "ref count = " << std::distance(first1, last1) << " \ttarget count = " << std::distance(first2, last2) << std::endl;
}
int64_t num_missing = 0;
int64_t num_mismatches = 0;
bool rest_missing = false;
while(first1 != last1)
{
if(first2 == last2)
{
// num_missing += std::distance(first1, last1);
rest_missing = true;
ARM_COMPUTE_TEST_INFO("All key points from (" << first1->x << "," << first1->y << ") onwards not found");
break;
}
if(compare_coords_lt(*first1, *first2))
{
++num_missing;
ARM_COMPUTE_TEST_INFO("Key point not found");
ARM_COMPUTE_TEST_INFO("keypoint1 = " << *first1++);
}
else
{
if(!compare_coords_lt(*first2, *first1)) // Equal coordinates
{
if(check_mismatches && !compare_props_eq(*first1, *first2)) // Check other properties
{
++num_mismatches;
ARM_COMPUTE_TEST_INFO("Mismatching keypoint");
ARM_COMPUTE_TEST_INFO("keypoint1 [ref] = " << *first1);
ARM_COMPUTE_TEST_INFO("keypoint2 [tgt] = " << *first2);
}
++first1;
}
++first2;
}
}
if(rest_missing)
{
while(first1 != last1)
{
++num_missing;
ARM_COMPUTE_TEST_INFO("Key point not found");
ARM_COMPUTE_TEST_INFO("keypoint1 = " << *first1++);
}
}
return std::make_pair(num_missing, num_mismatches);
}
template <typename T, typename U, typename V>
void fast_validate_keypoints(T target_first, T target_last, U reference_first, U reference_last, V tolerance,
float allowed_missing_percentage, float allowed_mismatch_percentage)
{
const int64_t num_elements_target = std::distance(target_first, target_last);
const int64_t num_elements_reference = std::distance(reference_first, reference_last);
int64_t num_missing = 0;
int64_t num_mismatches = 0;
if(num_elements_reference > 0)
{
std::tie(num_missing, num_mismatches) = fast_compare_keypoints(reference_first, reference_last, target_first, target_last, tolerance);
const float percent_missing = static_cast<float>(num_missing) / num_elements_reference * 100.f;
const float percent_mismatches = static_cast<float>(num_mismatches) / num_elements_reference * 100.f;
ARM_COMPUTE_TEST_INFO(num_missing << " keypoints (" << std::fixed << std::setprecision(2) << percent_missing << "%) in ref are missing from target");
ARM_COMPUTE_EXPECT(percent_missing <= allowed_missing_percentage, framework::LogLevel::ERRORS);
ARM_COMPUTE_TEST_INFO(num_mismatches << " keypoints (" << std::fixed << std::setprecision(2) << percent_mismatches << "%) mismatched");
ARM_COMPUTE_EXPECT(percent_mismatches <= allowed_mismatch_percentage, framework::LogLevel::ERRORS);
std::cout << "Mismatched keypoints: " << num_mismatches << "/" << num_elements_reference << " = " << std::fixed << std::setprecision(2) << percent_mismatches
<< "% \tMax allowed: " << allowed_mismatch_percentage << "%" << std::endl;
std::cout << "Missing (not in tgt): " << num_missing << "/" << num_elements_reference << " = " << std::fixed << std::setprecision(2) << percent_missing
<< "% \tMax allowed: " << allowed_missing_percentage << "%" << std::endl;
}
if(num_elements_target > 0)
{
// Note: no need to check for mismatches a second time (last argument is 'false')
std::tie(num_missing, num_mismatches) = fast_compare_keypoints(target_first, target_last, reference_first, reference_last, tolerance, false);
const float percent_missing = static_cast<float>(num_missing) / num_elements_target * 100.f;
ARM_COMPUTE_TEST_INFO(num_missing << " keypoints (" << std::fixed << std::setprecision(2) << percent_missing << "%) in target are missing from ref");
ARM_COMPUTE_EXPECT(percent_missing <= allowed_missing_percentage, framework::LogLevel::ERRORS);
std::cout << "Missing (not in ref): " << num_missing << "/" << num_elements_target << " = " << std::fixed << std::setprecision(2) << percent_missing
<< "% \tMax allowed: " << allowed_missing_percentage << "%\n"
<< std::endl;
}
}
} // namespace validation
} // namespace test
} // namespace arm_compute
#endif /* __ARM_COMPUTE_TEST_FAST_VALIDATION_H__ */
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