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* This source code is licensed under the MIT-style license found in the
* LICENSE file in the root directory of this source tree.
*/
#include <arrayfire.h>
#include "flashlight/pkg/vision/dataset/BoxUtils.h"
#include <gtest/gtest.h>
using namespace fl::pkg::vision;
TEST(BoxUtils, IOU) {
std::vector<float> labels = {0, 0, 10, 10, 1};
std::vector<float> preds = {1, 1, 11, 11, 1};
std::vector<float> costs = {0.680672268908};
fl::Variable labelArr = {af::array(5, 1, labels.data()), false};
fl::Variable predArr = {af::array(5, 1, preds.data()), false};
fl::Variable result, uni;
std::tie(result, uni) = boxIou(predArr, labelArr);
EXPECT_EQ(result.array()(0, 0).scalar<float>(), costs[0]);
}
TEST(BoxUtils, IOU2) {
std::vector<float> labels = {0, 0, 10, 10, 1};
std::vector<float> preds = {12, 12, 22, 22, 1};
std::vector<float> costs = {0.0};
fl::Variable labelArr = {af::array(5, 1, labels.data()), false};
fl::Variable predArr = {af::array(5, 1, preds.data()), false};
fl::Variable result, uni;
std::tie(result, uni) = boxIou(predArr, labelArr);
EXPECT_EQ(result(0, 0).array().scalar<float>(), costs[0]);
}
TEST(BoxUtils, IOU3) {
std::vector<float> labels = {0, 0, 2, 2, 1};
std::vector<float> preds = {1, 1, 3, 3, 1};
std::vector<float> costs = {0.142857142857};
fl::Variable labelArr = fl::Variable(af::array(5, 1, labels.data()), false);
fl::Variable predArr = fl::Variable(af::array(5, 1, preds.data()), false);
fl::Variable result, uni;
std::tie(result, uni) = boxIou(predArr, labelArr);
EXPECT_EQ(result(0, 0).array().scalar<float>(), costs[0]);
}
TEST(BoxUtils, IOU4) {
std::vector<float> labels = {0, 0, 2, 2, 1};
std::vector<float> preds = {3, 0, 5, 2, 1};
std::vector<float> costs = {0.0};
fl::Variable labelArr = {af::array(5, 1, labels.data()), false};
fl::Variable predArr = {af::array(5, 1, preds.data()), false};
fl::Variable result, uni;
std::tie(result, uni) = boxIou(predArr, labelArr);
EXPECT_EQ(result(0, 0).array().scalar<float>(), costs[0]);
}
TEST(BoxUtils, IOU5) {
std::vector<float> labels = {0, 0, 2, 2, 1};
std::vector<float> preds = {1, 1, 3, 3, 1};
std::vector<float> costs = {0.14285714285714285};
fl::Variable labelArr = {af::array(5, 1, labels.data()), false};
fl::Variable predArr = {af::array(5, 1, preds.data()), false};
fl::Variable result, uni;
std::tie(result, uni) = boxIou(predArr, labelArr);
EXPECT_EQ(result.array()(0, 0).scalar<float>(), costs[0]);
}
TEST(BoxUtils, IOU6) {
std::vector<float> labels = {0, 0, 4, 4, 1};
std::vector<float> preds = {1, 1, 3, 3, 1};
std::vector<float> costs = {0.25};
fl::Variable labelArr = {af::array(5, 1, labels.data()), false};
fl::Variable predArr = {af::array(5, 1, preds.data()), false};
fl::Variable result, uni;
std::tie(result, uni) = boxIou(predArr, labelArr);
EXPECT_EQ(result(0, 0).array().scalar<float>(), costs[0]);
}
TEST(BoxUtils, IOU7) {
std::vector<float> preds = {1, 1, 3, 3, 1, 0, 1, 2, 3, 1};
std::vector<float> labels = {0, 0, 4, 4, 1, 0, 0, 2, 2, 1};
std::vector<float> costs = {
0.25,
0.25, // Both boxes are contained in first box
0.14285714285714285,
0.3333333333 //
};
fl::Variable labelArr = {af::array(5, 2, labels.data()), false};
fl::Variable predArr = {af::array(5, 2, preds.data()), false};
fl::Variable result, uni;
std::tie(result, uni) = boxIou(predArr, labelArr);
EXPECT_EQ(result(0, 0).array().scalar<float>(), costs[0]);
EXPECT_EQ(result(1, 0).array().scalar<float>(), costs[1]);
EXPECT_EQ(result(0, 1).array().scalar<float>(), costs[2]);
EXPECT_EQ(result(1, 1).array().scalar<float>(), costs[3]);
}
TEST(BoxUtils, IOU8) {
std::vector<float> preds = {1, 1, 3, 3, 1, 0, 1, 2, 3, 1};
std::vector<float> labels = {