<caption><image_58>The image shows a man standing in front of a green chalkboard. He is wearing a blue t-shirt and appears to be in a classroom. The chalkboard is filled with various mathematical equations and formulas written in white chalk. The man is standing with his back to the camera, and his body is slightly turned to the side. He seems to be focused on the task at hand. The background is blurred, but it seems like the man is in a large room with a whiteboard and a projector screen.</caption><transcript><audio_59>look at tracking errors that are a few millimeters or greater you start to see the problems with it so that's one thing you need to point out we need to be extremely accurate so this is one technology that has some hope and there's certainly several companies developing methods and products</transcript><caption><image_60>The image is a blackboard with a green chalkboard background. On the blackboard, there is a whiteboard with black text written on it. The text reads "Estimating position & orientation (Cool submersible)". Below the text, there are three lines drawn in white chalk. The first line is labeled "Possible approaches" and the second line is titled "Genroke a non-constant magnetic or EM field". The third line is labelled "Less State". The lines are drawn in a curved shape and are connected by a dotted line. The image appears to be a visual representation of a mathematical equation or problem.</caption><transcript><audio_61>in this arena and there have been for the other category which i'll spend more time on</transcript><transcript><audio_62>and one of the most common implementations is based on camera arrangements and i believe i</transcript><transcript><audio_63>mentioned this last time you could have human head wearing a headset so this is where the camera is on the</transcript><caption><image_64>The image shows a man standing in front of a green chalkboard. He is wearing a blue t-shirt and is holding a whiteboard in his right hand. On the chalkboard, there is a text written in white chalk that reads "2) Visibility or line-of-sight methods: Camera arrangements". The text is written in a simple, sans-serif font and is centered on the board. The background of the image is blurred, but it appears to be a classroom or a classroom.</caption> look at tracking errors that are a few millimeters or greater you start to see the problems with it so that's one thing you need to point out we need to be extremely accurate so this is one technology that has some hope and there's certainly several companies developing methods and products in this arena and there have been for the other category which i'll spend more time on and one of the most common implementations is based on camera arrangements and i believe i mentioned this last time you could have human head wearing a headset so this is where the camera is on the
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