Abstract: Disclosed is an ultrasonic image presentation device comprising: an ultrasonic scanner having a probe which is a part coming into direct contact with an object and a marker; a photographing unit configured to photograph the marker; an ultrasonic image presentation unit configured to acquire an ultrasonic image as a two-dimensional depth cross-sectional image for a part coming into contact with the probe of the ultrasonic scanner, estimate a position and posture of the marker in a three-dimensional image on the basis of an image photographed by the photographing unit; estimate a position and posture of the probe in the three-dimensional image from the estimated marker position and posture information, create a point cloud by converting pixels of the ultrasonic image into points of the three-dimensional image on the basis of the estimated probe position and posture information, and restore the three-dimensional ultrasonic image on the basis of the created point cloud; and a display unit configured to display th

Abstract: Disclosed is an ultrasonic image presentation device comprising: an ultrasonic scanner having a probe which is a part coming into direct contact with an object and a marker; a photographing unit configured to photograph the marker; an ultrasonic image presentation unit configured to acquire an ultrasonic image as a two-dimensional depth cross-sectional image for a part coming into contact with the probe of the ultrasonic scanner, estimate a position and posture of the marker in a three-dimensional image on the basis of an image photographed by the photographing unit; estimate a position and posture of the probe in the three-dimensional image from the estimated marker position and posture information, create a point cloud by converting pixels of the ultrasonic image into points of the three-dimensional image on the basis of the estimated probe position and posture information, and restore the three-dimensional ultrasonic image on the basis of the created point cloud; and a display unit configured to display th

Abstract: A medical instrument positioning tracking system according to the present invention comprises: a bar-type medical instrument of which the front end part is formed in a bar shape including needle and syringe shapes and which has an identification segment formed, on the rear end part thereof, in the longitudinal direction of the bar shape; a tracking multi-camera including a plurality of cameras provided at a plurality of locations so that the identification segment can be photographed in a plurality of time points; a display device for displaying an augmented reality image with the bar-type medical instrument as an augmented object and also displaying relevant information including location and angle information of the bar-type medical instrument; and a control device for acquiring, in real time, a tracking image capture by the tracking multi-camera for every frame, estimating a three-dimensional segment by using the acquired image, estimating the actual three-dimensional positioning of the bar-type medical in