opencv/modules/features2d/perf/perf_fast.cpp
Haosonn 75d9ac3964
Merge pull request #27391 from Haosonn:pr-rvv-hal-fast
hal/riscv-rvv: implement FAST keypoint detection #27391

An implementation of FAST keypoint detection with NMS/noNMS version.

A new perf test is written, and the perf test is evaluated in two platforms: K1/K230.
Accelaration is achieved when threshold is high, however, weird stat shows that the acceleration doesn't work when threshold is low (the number of keypoint candidates is high).

K1:
```
# GCC

                             Name of Test                               scalar  rvv      rvv
                                                                                          vs
                                                                                        scalar
                                                                                      (x-factor)
detect::Fast_Params::(20, 2, false, "cv/cameracalibration/chess9.png")  22.113 23.721    0.93
detect::Fast_Params::(20, 2, false, "cv/inpaint/orig.png")              4.605  7.168     0.64
detect::Fast_Params::(20, 2, true, "cv/cameracalibration/chess9.png")   26.228 24.689    1.06
detect::Fast_Params::(20, 2, true, "cv/inpaint/orig.png")               7.134  7.561     0.94
detect::Fast_Params::(30, 2, false, "cv/cameracalibration/chess9.png")  19.488 21.407    0.91
detect::Fast_Params::(30, 2, false, "cv/inpaint/orig.png")              3.481  5.404     0.64
detect::Fast_Params::(30, 2, true, "cv/cameracalibration/chess9.png")   22.309 22.145    1.01
detect::Fast_Params::(30, 2, true, "cv/inpaint/orig.png")               4.826  5.654     0.85
detect::Fast_Params::(100, 2, false, "cv/cameracalibration/chess9.png") 14.108 8.205     1.72
detect::Fast_Params::(100, 2, false, "cv/inpaint/orig.png")             2.520  1.072     2.35
detect::Fast_Params::(100, 2, true, "cv/cameracalibration/chess9.png")  14.133 8.410     1.68
detect::Fast_Params::(100, 2, true, "cv/inpaint/orig.png")              2.556  1.097     2.33

# Clang

                             Name of Test                               scalar  rvv      rvv
                                                                                          vs
                                                                                        scalar
                                                                                      (x-factor)
detect::Fast_Params::(20, 2, false, "cv/cameracalibration/chess9.png")  25.130 23.695    1.06
detect::Fast_Params::(20, 2, false, "cv/inpaint/orig.png")              4.987  7.168     0.70
detect::Fast_Params::(20, 2, true, "cv/cameracalibration/chess9.png")   28.035 24.467    1.15
detect::Fast_Params::(20, 2, true, "cv/inpaint/orig.png")               6.760  7.503     0.90
detect::Fast_Params::(30, 2, false, "cv/cameracalibration/chess9.png")  22.954 21.373    1.07
detect::Fast_Params::(30, 2, false, "cv/inpaint/orig.png")              3.838  5.330     0.72
detect::Fast_Params::(30, 2, true, "cv/cameracalibration/chess9.png")   24.523 21.998    1.11
detect::Fast_Params::(30, 2, true, "cv/inpaint/orig.png")               4.795  5.543     0.87
detect::Fast_Params::(100, 2, false, "cv/cameracalibration/chess9.png") 16.799 8.102     2.07
detect::Fast_Params::(100, 2, false, "cv/inpaint/orig.png")             2.874  1.024     2.81
detect::Fast_Params::(100, 2, true, "cv/cameracalibration/chess9.png")  16.950 8.073     2.10
detect::Fast_Params::(100, 2, true, "cv/inpaint/orig.png")              2.899  1.027     2.82
```

K230
```
# GCC

                             Name of Test                               scalar  rvv      rvv
                                                                                          vs
                                                                                        scalar
                                                                                      (x-factor)
detect::Fast_Params::(20, 2, false, "cv/cameracalibration/chess9.png")  21.082 32.090    0.66
detect::Fast_Params::(20, 2, false, "cv/inpaint/orig.png")              4.837  9.157     0.53
detect::Fast_Params::(20, 2, true, "cv/cameracalibration/chess9.png")   25.479 33.576    0.76
detect::Fast_Params::(20, 2, true, "cv/inpaint/orig.png")               7.549  9.716     0.78
detect::Fast_Params::(30, 2, false, "cv/cameracalibration/chess9.png")  18.463 30.087    0.61
detect::Fast_Params::(30, 2, false, "cv/inpaint/orig.png")              3.716  6.544     0.57
detect::Fast_Params::(30, 2, true, "cv/cameracalibration/chess9.png")   21.548 31.374    0.69
detect::Fast_Params::(30, 2, true, "cv/inpaint/orig.png")               5.107  6.928     0.74
detect::Fast_Params::(100, 2, false, "cv/cameracalibration/chess9.png") 13.763 8.712     1.58
detect::Fast_Params::(100, 2, false, "cv/inpaint/orig.png")             2.578  1.284     2.01
detect::Fast_Params::(100, 2, true, "cv/cameracalibration/chess9.png")  13.804 8.831     1.56
detect::Fast_Params::(100, 2, true, "cv/inpaint/orig.png")              2.615  1.289     2.03

# Clang

                             Name of Test                               scalar  rvv      rvv
                                                                                          vs
                                                                                        scalar
                                                                                      (x-factor)
detect::Fast_Params::(20, 2, false, "cv/cameracalibration/chess9.png")  23.424 35.072    0.67
detect::Fast_Params::(20, 2, false, "cv/inpaint/orig.png")              5.284  10.107    0.52
detect::Fast_Params::(20, 2, true, "cv/cameracalibration/chess9.png")   26.487 35.978    0.74
detect::Fast_Params::(20, 2, true, "cv/inpaint/orig.png")               7.146  10.612    0.67
detect::Fast_Params::(30, 2, false, "cv/cameracalibration/chess9.png")  21.155 32.858    0.64
detect::Fast_Params::(30, 2, false, "cv/inpaint/orig.png")              4.101  7.153     0.57
detect::Fast_Params::(30, 2, true, "cv/cameracalibration/chess9.png")   23.321 33.505    0.70
detect::Fast_Params::(30, 2, true, "cv/inpaint/orig.png")               5.106  7.415     0.69
detect::Fast_Params::(100, 2, false, "cv/cameracalibration/chess9.png") 15.597 8.792     1.77
detect::Fast_Params::(100, 2, false, "cv/inpaint/orig.png")             2.922  1.228     2.38
detect::Fast_Params::(100, 2, true, "cv/cameracalibration/chess9.png")  15.626 8.817     1.77
detect::Fast_Params::(100, 2, true, "cv/inpaint/orig.png")              2.963  1.240     2.39
```

### Pull Request Readiness Checklist

See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request

- [x] I agree to contribute to the project under Apache 2 License.
- [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV
- [ ] The PR is proposed to the proper branch
- [ ] There is a reference to the original bug report and related work
- [x] There is accuracy test, performance test and test data in opencv_extra repository, if applicable
      Patch to opencv_extra has the same branch name.
- [ ] The feature is well documented and sample code can be built with the project CMake
2025-08-11 13:03:34 +03:00

44 lines
1.3 KiB
C++

#include "perf_precomp.hpp"
#include "perf_feature2d.hpp"
namespace opencv_test
{
using namespace perf;
typedef tuple<int, int, bool, string> Fast_Params_t;
typedef perf::TestBaseWithParam<Fast_Params_t> Fast_Params;
PERF_TEST_P(Fast_Params, detect,
testing::Combine(
testing::Values(20,30,100), // threshold
testing::Values(
// (int)FastFeatureDetector::TYPE_5_8,
// (int)FastFeatureDetector::TYPE_7_12,
(int)FastFeatureDetector::TYPE_9_16 // detector_type
),
testing::Bool(), // nonmaxSuppression
testing::Values("cv/inpaint/orig.png",
"cv/cameracalibration/chess9.png")
))
{
int threshold_p = get<0>(GetParam());
int type_p = get<1>(GetParam());
bool nonmaxSuppression_p = get<2>(GetParam());
string filename = getDataPath(get<3>(GetParam()));
Mat img = imread(filename, IMREAD_GRAYSCALE);
ASSERT_FALSE(img.empty()) << "Failed to load image: " << filename;
vector<KeyPoint> keypoints;
declare.in(img);
TEST_CYCLE()
{
FAST(img, keypoints, threshold_p, nonmaxSuppression_p, (FastFeatureDetector::DetectorType)type_p);
}
SANITY_CHECK_NOTHING();
}
} // namespace opencv_test