std_msgs/Header header
int32 face_id            # -1 if unknown
string person_name       # "" if unknown
float32 confidence       # detection confidence 0-1
float32 recognition_score # cosine similarity 0-1 (0 if unknown)
# Bounding box in pixels
float32 bbox_x
float32 bbox_y
float32 bbox_w
float32 bbox_h
# 5-point landmarks [x0,y0, x1,y1, x2,y2, x3,y3, x4,y4] = left_eye, right_eye, nose, left_mouth, right_mouth
float32[10] landmarks