The MicronTracker can detect and track specially/marked objects by utilizing stereoscopic vision in real time. The MicronTracker can detect fully passive marked targets by using visible light and computer vision and it can track them by processing standard video images. It is utilized in numerous clinical guided procedures, such as ablation, biopsy and image-guide surgery, either performed manually or with robotics. The MicronTracker supports augmented reality, providing intuitive support for handling clinical procedures. The MicronTracker is easy to set up, using permanent steam sterilizable tool markers, ensuring that all tools are always ready for immediate navigation. It is extremely lightweight with no need for massive supporting arms or tripods. The MicronTracker uses the smallest and lightest cameras and can be easily positioned.