From 6c6597c1e17c32c6ad861780eee454a7deecfb75 Mon Sep 17 00:00:00 2001
From: Moritz Pflanzer <moritz.pflanzer@arm.com>
Date: Sun, 24 Sep 2017 12:09:41 +0100
Subject: COMPMID-500: Move HarrisCorners to new validation

Change-Id: I4e21ad98d029e360010c5927f04b716527700a00
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/88888
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
---
 tests/validation/Validation.h | 87 +++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 84 insertions(+), 3 deletions(-)

(limited to 'tests/validation/Validation.h')

diff --git a/tests/validation/Validation.h b/tests/validation/Validation.h
index b6e7b8e82b..5e5dab0040 100644
--- a/tests/validation/Validation.h
+++ b/tests/validation/Validation.h
@@ -25,6 +25,7 @@
 #define __ARM_COMPUTE_TEST_VALIDATION_H__
 
 #include "arm_compute/core/FixedPoint.h"
+#include "arm_compute/core/IArray.h"
 #include "arm_compute/core/Types.h"
 #include "tests/IAccessor.h"
 #include "tests/SimpleTensor.h"
@@ -212,7 +213,11 @@ void validate(std::vector<unsigned int> classified_labels, std::vector<unsigned
  * - All values should match
  */
 template <typename T, typename U = AbsoluteTolerance<T>>
-void validate(T target, T reference, U tolerance = AbsoluteTolerance<T>());
+bool validate(T target, T reference, U tolerance = AbsoluteTolerance<T>());
+
+/** Validate key points. */
+template <typename T, typename U, typename V = AbsoluteTolerance<float>>
+void validate_keypoints(T target_first, T target_last, U reference_first, U reference_last, V tolerance = AbsoluteTolerance<float>());
 
 template <typename T>
 struct compare_base
@@ -358,13 +363,89 @@ void validate(const IAccessor &tensor, const SimpleTensor<T> &reference, const V
     }
 }
 
+/** Check which keypoints from [first1, last1) are missing in [first2, last2) */
+template <typename T, typename U, typename V>
+std::pair<int64_t, int64_t> compare_keypoints(T first1, T last1, U first2, U last2, V tolerance)
+{
+    int64_t num_missing    = 0;
+    int64_t num_mismatches = 0;
+
+    while(first1 != last1)
+    {
+        const auto point = std::find_if(first2, last2, [&](KeyPoint point)
+        {
+            return point.x == first1->x && point.y == first1->y;
+        });
+
+        if(point == last2)
+        {
+            ++num_missing;
+            ARM_COMPUTE_TEST_INFO("keypoint1 = " << *first1)
+            ARM_COMPUTE_EXPECT_FAIL("Key point not found", framework::LogLevel::DEBUG);
+        }
+        else if(!validate(point->tracking_status, first1->tracking_status) || !validate(point->strength, first1->strength, tolerance) || !validate(point->scale, first1->scale)
+                || !validate(point->orientation, first1->orientation) || !validate(point->error, first1->error))
+        {
+            ++num_mismatches;
+            ARM_COMPUTE_TEST_INFO("keypoint1 = " << *first1)
+            ARM_COMPUTE_TEST_INFO("keypoint2 = " << *point)
+            ARM_COMPUTE_EXPECT_FAIL("Mismatching keypoint", framework::LogLevel::DEBUG);
+        }
+
+        ++first1;
+    }
+
+    return std::make_pair(num_missing, num_mismatches);
+}
+
+template <typename T, typename U, typename V>
+void validate_keypoints(T target_first, T target_last, U reference_first, U reference_last, V tolerance)
+{
+    const int64_t num_elements_target    = std::distance(target_first, target_last);
+    const int64_t num_elements_reference = std::distance(reference_first, reference_last);
+
+    ARM_COMPUTE_EXPECT_EQUAL(num_elements_target, num_elements_reference, framework::LogLevel::ERRORS);
+
+    int64_t num_missing    = 0;
+    int64_t num_mismatches = 0;
+
+    if(num_elements_reference > 0)
+    {
+        std::tie(num_missing, num_mismatches) = 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 << "%) are missing in target");
+        ARM_COMPUTE_EXPECT_EQUAL(num_missing, 0, framework::LogLevel::ERRORS);
+
+        ARM_COMPUTE_TEST_INFO(num_mismatches << " keypoints (" << std::fixed << std::setprecision(2) << percent_mismatches << "%) mismatched");
+        ARM_COMPUTE_EXPECT_EQUAL(num_mismatches, 0, framework::LogLevel::ERRORS);
+    }
+
+    if(num_elements_target > 0)
+    {
+        std::tie(num_missing, num_mismatches) = compare_keypoints(target_first, target_last, reference_first, reference_last, tolerance);
+
+        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 << "%) are not part of target");
+        ARM_COMPUTE_EXPECT_EQUAL(num_missing, 0, framework::LogLevel::ERRORS);
+    }
+}
+
 template <typename T, typename U>
-void validate(T target, T reference, U tolerance)
+bool validate(T target, T reference, U tolerance)
 {
     ARM_COMPUTE_TEST_INFO("reference = " << std::setprecision(5) << framework::make_printable(reference));
     ARM_COMPUTE_TEST_INFO("target = " << std::setprecision(5) << framework::make_printable(target));
     ARM_COMPUTE_TEST_INFO("tolerance = " << std::setprecision(5) << framework::make_printable(static_cast<typename U::value_type>(tolerance)));
-    ARM_COMPUTE_EXPECT((compare<U>(target, reference, tolerance)), framework::LogLevel::ERRORS);
+
+    const bool equal = compare<U>(target, reference, tolerance);
+
+    ARM_COMPUTE_EXPECT(equal, framework::LogLevel::ERRORS);
+
+    return equal;
 }
 
 template <typename T, typename U>
-- 
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