Board dictionary | OpenCV w/o NEON, ns | OpenCV w/NEON, ns | Change |
---|---|---|---|
DICT_4X4_50 | 113232317 | 103567988 | -8.5% |
DICT_4X4_100 | 310450269 | 290968575 | -6.3% |
DICT_5X5_50 | 120566515 | 110379509 | -8.4% |
DICT_5X5_100 | 344844502 | 326884664 | -5.2% |
DICT_6X6_50 | 135857820 | 126517161 | -6.9% |
DICT_6X6_100 | 404778155 | 388300000 | -4.1% |
DICT_6X6_250 | 789037811 | 747213918 | -5.3% |
DICT_7X7_50 | 106657903 | 97923349 | -8.1% |
DICT_7X7_100 | 271315500 | 253957344 | -6.4% |
DICT_7X7_250 | 799879884 | 758511765 | -5.2% |
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February 13, 2019 14:19
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Test results for NEON/non-NEON aruco detection
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#include <iostream> | |
#include <opencv2/aruco.hpp> | |
#include <opencv2/core/mat.hpp> | |
#include <opencv2/highgui.hpp> | |
#include <vector> | |
#include <chrono> | |
struct dictDescriptor | |
{ | |
std::string name; | |
cv::Ptr<cv::aruco::Dictionary> dict; | |
size_t size; | |
}; | |
#define BOARD_DESCS \ | |
DICT_DESC(DICT_4X4_50, 50) \ | |
DICT_DESC(DICT_4X4_100, 100) \ | |
/* DICT_DESC(DICT_4X4_1000, 1000) */ \ | |
DICT_DESC(DICT_5X5_50, 50) \ | |
DICT_DESC(DICT_5X5_100, 100) \ | |
/* DICT_DESC(DICT_5X5_1000, 1000) */ \ | |
DICT_DESC(DICT_6X6_50, 50) \ | |
DICT_DESC(DICT_6X6_100, 100) \ | |
DICT_DESC(DICT_6X6_250, 250) \ | |
/* DICT_DESC(DICT_6X6_1000, 1000) */ \ | |
DICT_DESC(DICT_7X7_50, 50) \ | |
DICT_DESC(DICT_7X7_100, 100) \ | |
DICT_DESC(DICT_7X7_250, 250) \ | |
/* DICT_DESC(DICT_7X7_1000, 1000) */ | |
struct TestData | |
{ | |
std::vector<dictDescriptor> dictionaries; | |
std::vector<cv::Mat> boardImages; | |
}; | |
struct TestResult | |
{ | |
std::chrono::duration<int64_t, std::nano> testDuration; | |
bool testPassed; | |
}; | |
std::vector<TestResult> runTests(const TestData& data) | |
{ | |
std::vector<TestResult> result; | |
for(size_t i = 0; i < data.boardImages.size(); ++i) | |
{ | |
const auto& dictDesc = data.dictionaries[i]; | |
const auto& img = data.boardImages[i]; | |
std::vector<std::vector<cv::Point2f>> corners; | |
std::vector<int> ids; | |
auto start = std::chrono::steady_clock::now(); | |
cv::aruco::detectMarkers(img, dictDesc.dict, corners, ids); | |
auto end = std::chrono::steady_clock::now(); | |
auto duration = end - start; | |
result.emplace_back(TestResult{duration, ids.size() == dictDesc.size}); | |
} | |
return result; | |
} | |
int main() { | |
int markerLength = 40; | |
int markerSep = 40; | |
int margins = 20; | |
#define xstr(a) str(a) | |
#define str(a) #a | |
std::vector<dictDescriptor> dictionaries{ | |
#define DICT_DESC(type, size) dictDescriptor{xstr(type), cv::aruco::getPredefinedDictionary(cv::aruco::type), size}, | |
BOARD_DESCS | |
#undef DICT_DESC | |
}; | |
std::vector<cv::Mat> boardImages{ | |
#define DICT_DESC(type, size) cv::imread("board_" xstr(type) ".png"), | |
BOARD_DESCS | |
#undef DICT_DESC | |
}; | |
TestData data{dictionaries, boardImages}; | |
std::cout << "Read all image files" << std::endl; | |
std::cout << "Running tests" << std::endl; | |
const size_t NUM_TESTS = 50; | |
std::vector<std::vector<TestResult>> testLog; | |
size_t numPassed = 0, numFailed = 0; | |
for(size_t i = 0; i < NUM_TESTS; ++i) | |
{ | |
testLog.push_back(runTests(data)); | |
if (i % 10 == 0) std::cout << "." << std::flush; | |
} | |
std::cout << std::endl << "Test runs finished, analyzing" << std::endl; | |
std::vector<int64_t> nanoMeans(boardImages.size(), 0); | |
for(const auto& result : testLog) | |
{ | |
for(int i = 0; i < boardImages.size(); ++i) | |
{ | |
nanoMeans[i] += result[i].testDuration.count(); | |
if (result[i].testPassed) | |
{ | |
numPassed += 1; | |
} | |
else | |
{ | |
numFailed += 1; | |
} | |
} | |
} | |
for(int i = 0; i < boardImages.size(); ++i) | |
{ | |
std::cout << dictionaries[i].name << ": mean time is " << int64_t(nanoMeans[i] / double(NUM_TESTS)) << " ns" << std::endl; | |
} | |
std::cout << "Tests passed: " << numPassed; | |
std::cout << "Tests failed: " << numFailed; | |
return 0; | |
} |
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