feat(pose): add utralight posenet

src/face/common/common.cpp

@@ -0,0 +1,54 @@
+#include "../common.h"
+#include <math.h>
+
+#ifdef OV_VULKAN
+#include "gpu.h"
+#endif // OV_VULKAN
+
+void FreeRectVector(RectVector *p) {
+    if (p->rects != NULL) {
+        free(p->rects);
+        p->rects = NULL;
+    }
+}
+
+void FreeFaceInfoVector(FaceInfoVector *p) {
+    if (p->faces != NULL) {
+        free(p->faces);
+        p->faces = NULL;
+    }
+}
+
+void NewFaceInfoVector(FaceInfoVector *v, int num) {
+    v->length = num;
+    v->faces = (FaceInfo*)(malloc(num * sizeof(FaceInfo)));
+}
+
+void FreeTrackedFaceInfoVector(TrackedFaceInfoVector *p) {
+    if (p->faces != NULL) {
+        free(p->faces);
+        p->faces = NULL;
+    }
+}
+
+namespace ov {
+
+float CalculateSimilarity(const std::vector<float>&feature1, const std::vector<float>& feature2) {
+	if (feature1.size() != feature2.size()) {
+		return 10003;
+	}
+	float inner_product = 0.0f;
+	float feature_norm1 = 0.0f;
+	float feature_norm2 = 0.0f;
+#ifdef OV_OPENMP
+#pragma omp parallel for num_threads(threads_num)
+#endif
+	for(int i = 0; i < kFaceFeatureDim; ++i) {
+		inner_product += feature1[i] * feature2[i];
+		feature_norm1 += feature1[i] * feature1[i];
+		feature_norm2 += feature2[i] * feature2[i];
+	}
+	return inner_product / sqrt(feature_norm1) / sqrt(feature_norm2);
+}
+
+}