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Add Nano tracker for OpenCV tracking #914

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May 5, 2023
Merged

Add Nano tracker for OpenCV tracking #914

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32 changes: 32 additions & 0 deletions src/modules/opencv/filter_opencv_tracker.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -170,6 +170,10 @@ static void analyze(mlt_filter filter,
strcat(model1, "/dasiamrpn_model.onnx");
strcat(model2, "/dasiamrpn_kernel_cls1.onnx");
strcat(model3, "/dasiamrpn_kernel_r1.onnx");
// Models can be downloaded from:
// - network: https://www.dropbox.com/s/rr1lk9355vzolqv/dasiamrpn_model.onnx?dl=0
// - kernel_r1: https://www.dropbox.com/s/999cqx5zrfi7w4p/dasiamrpn_kernel_r1.onnx?dl=0
// - kernel_cls1: https://www.dropbox.com/s/qvmtszx5h339a0w/dasiamrpn_kernel_cls1.onnx?dl=0
struct stat file_info;
if (stat(model1, &file_info) == 0 && stat(model2, &file_info) == 0
&& stat(model3, &file_info) == 0) {
Expand All @@ -187,6 +191,34 @@ static void analyze(mlt_filter filter,
free(model2);
free(model3);
}
#if CV_VERSION_INT > 0x040600
} else if (!strcmp(data->algo, "Nano")) {
if (mlt_properties_exists(filter_properties, "modelsfolder")) {
char *modelsdir = mlt_properties_get(filter_properties, "modelsfolder");
cv::TrackerNano::Params parameters;
char *model1 = (char *) calloc(1, 1000);
char *model2 = (char *) calloc(1, 1000);
strcat(model1, modelsdir);
strcat(model2, modelsdir);
strcat(model1, "/nanotrack_backbone_sim.onnx");
strcat(model2, "/nanotrack_head_sim.onnx");
// Models can be downloaded from:
// https://github.com/HonglinChu/SiamTrackers/tree/master/NanoTrack/models/nanotrackv2
struct stat file_info;
if (stat(model1, &file_info) == 0 && stat(model2, &file_info) == 0) {
// Models found, process
parameters.backbone = model1;
parameters.neckhead = model2;
data->tracker = cv::TrackerNano::create(parameters);
} else {
mlt_log_error(
MLT_FILTER_SERVICE(filter),
"Nano models not found, please provide a modelsfolder parameter\n");
}
free(model1);
free(model2);
}
#endif
} else if (!strcmp(data->algo, "MOSSE")) {
data->legacyTracking = true;
data->legacyTracker = cv::legacy::tracking::TrackerMOSSE::create();
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