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generate_proposals_op_util_boxes_test.cc
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generate_proposals_op_util_boxes_test.cc
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#include "caffe2/operators/generate_proposals_op_util_boxes.h"
#include "caffe2/utils/eigen_utils.h"
#include <gtest/gtest.h>
namespace caffe2 {
TEST(UtilsBoxesTest, TestBboxTransformRandom) {
using EMatXf = Eigen::MatrixXf;
EMatXf bbox(5, 4);
bbox << 175.62031555, 20.91103172, 253.352005, 155.0145874, 169.24636841,
4.85241556, 228.8605957, 105.02092743, 181.77426147, 199.82876587,
192.88427734, 214.0255127, 174.36262512, 186.75761414, 296.19091797,
231.27906799, 22.73153877, 92.02596283, 135.5695343, 208.80291748;
EMatXf deltas(5, 4);
deltas << 0.47861834, 0.13992102, 0.14961673, 0.71495209, 0.29915856,
-0.35664671, 0.89018666, 0.70815367, -0.03852064, 0.44466892, 0.49492538,
0.71409376, 0.28052918, 0.02184832, 0.65289006, 1.05060139, -0.38172557,
-0.08533806, -0.60335309, 0.79052375;
EMatXf result_gt(5, 4);
result_gt << 206.949539, -30.715202, 297.387665, 244.448486, 143.871216,
-83.342888, 290.502289, 121.053398, 177.430283, 198.666245, 196.295273,
228.703079, 152.251892, 145.431564, 387.215454, 274.594238, 5.062420,
11.040955, 66.328903, 269.686218;
const float BBOX_XFORM_CLIP = log(1000.0 / 16.0);
auto result = utils::bbox_transform(
bbox.array(),
deltas.array(),
std::vector<float>{1.0, 1.0, 1.0, 1.0},
BBOX_XFORM_CLIP,
true /* legacy_plus_one */);
EXPECT_NEAR((result.matrix() - result_gt).norm(), 0.0, 1e-4);
}
TEST(UtilsBoxesTest, TestBboxTransformRotated) {
// Test rotated bbox transform w/o angle normalization
using EMatXf = Eigen::MatrixXf;
EMatXf bbox(5, 5);
bbox << 214.986, 88.4628, 78.7317, 135.104, 0.0, 199.553, 55.4367, 60.6142,
101.169, 45.0, 187.829, 207.427, 0012.11, 15.1967, 90.0, 235.777, 209.518,
122.828, 45.5215, -60.0, 79.6505, 150.914, 113.838, 117.777, 170.5;
EMatXf deltas(5, 5);
// 0.174533 radians -> 10 degrees
deltas << 0.47861834, 0.13992102, 0.14961673, 0.71495209, 0.0, 0.29915856,
-0.35664671, 0.89018666, 0.70815367, 0.174533, -0.03852064, 0.44466892,
0.49492538, 0.71409376, 0.174533, 0.28052918, 0.02184832, 0.65289006,
1.05060139, 0.174533, -0.38172557, -0.08533806, -0.60335309, 0.79052375,
0.174533;
EMatXf result_gt(5, 5);
result_gt << 252.668, 107.367, 91.4381, 276.165, 0.0, 217.686, 19.3551,
147.631, 205.397, 55.0, 187.363, 214.185, 19.865, 31.0368, 100.0, 270.234,
210.513, 235.963, 130.163, -50.0, 36.1956, 140.863, 62.2665, 259.645,
180.5;
const float BBOX_XFORM_CLIP = log(1000.0 / 16.0);
auto result = utils::bbox_transform(
bbox.array(),
deltas.array(),
std::vector<float>{1.0, 1.0, 1.0, 1.0},
BBOX_XFORM_CLIP,
true, /* legacy_plus_one */
false /* angle_bound_on */);
EXPECT_NEAR((result.matrix() - result_gt).norm(), 0.0, 1e-2);
}
TEST(UtilsBoxesTest, TestBboxTransformRotatedNormalized) {
// Test rotated bbox transform with angle normalization
using EMatXf = Eigen::MatrixXf;
EMatXf bbox(5, 5);
bbox << 214.986, 88.4628, 78.7317, 135.104, 0.0, 199.553, 55.4367, 60.6142,
101.169, 45.0, 187.829, 207.427, 0012.11, 15.1967, 90.0, 235.777, 209.518,
122.828, 45.5215, -60.0, 79.6505, 150.914, 113.838, 117.777, 170.5;
EMatXf deltas(5, 5);
// 0.174533 radians -> 10 degrees
deltas << 0.47861834, 0.13992102, 0.14961673, 0.71495209, 0.0, 0.29915856,
-0.35664671, 0.89018666, 0.70815367, 0.174533, -0.03852064, 0.44466892,
0.49492538, 0.71409376, 0.174533, 0.28052918, 0.02184832, 0.65289006,
1.05060139, 0.174533, -0.38172557, -0.08533806, -0.60335309, 0.79052375,
0.174533;
EMatXf result_gt(5, 5);
result_gt << 252.668, 107.367, 91.4381, 276.165, 0.0, 217.686, 19.3551,
147.631, 205.397, 55.0, 187.363, 214.185, 19.865, 31.0368, -80.0, 270.234,
210.513, 235.963, 130.163, -50.0, 36.1956, 140.863, 62.2665, 259.645, 0.5;
const float BBOX_XFORM_CLIP = log(1000.0 / 16.0);
auto result = utils::bbox_transform(
bbox.array(),
deltas.array(),
std::vector<float>{1.0, 1.0, 1.0, 1.0},
BBOX_XFORM_CLIP,
true, /* legacy_plus_one */
true, /* angle_bound_on */
-90, /* angle_bound_lo */
90 /* angle_bound_hi */);
EXPECT_NEAR((result.matrix() - result_gt).norm(), 0.0, 1e-2);
}
TEST(UtilsBoxesTest, ClipRotatedBoxes) {
// Test utils::clip_boxes_rotated()
using EMatXf = Eigen::MatrixXf;
int height = 800;
int width = 600;
EMatXf bbox(5, 5);
bbox << 20, 20, 200, 150, 0, // Horizontal
20, 20, 200, 150, 0.5, // Almost horizontal
20, 20, 200, 150, 30, // Rotated
300, 300, 200, 150, 30, // Rotated
579, 779, 200, 150, -0.5; // Almost horizontal
// Test with no clipping
float angle_thresh = -1.0;
auto result = utils::clip_boxes(
bbox.array(), height, width, angle_thresh, true /* legacy_plus_one */);
EXPECT_NEAR((result.matrix() - bbox).norm(), 0.0, 1e-4);
EMatXf result_gt(5, 5);
result_gt << 59.75, 47.25, 120.5, 95.5, 0, 59.75, 47.25, 120.5, 95.5, 0.5, 20,
20, 200, 150, 30, 300, 300, 200, 150, 30, 539.25, 751.75, 120.5, 95.5,
-0.5;
// Test clipping with tolerance
angle_thresh = 1.0;
result = utils::clip_boxes(
bbox.array(), height, width, angle_thresh, true /* legacy_plus_one */);
EXPECT_NEAR((result.matrix() - result_gt).norm(), 0.0, 1e-4);
}
} // namespace caffe2