![]() ![]() it contains a lot of pixels that are very similar If the tracking window is too large compared to the featureīeing tracked (i.e. Note that the size of both the tracking window and search area canĭirectly affect both the accuracy and performance of the trackingĪlgorithm. ![]() Rather than the entire tracking window itself. The search area defines the possible locations of the centre-point of the tracker, Large compared to the feature it is tracking may cause the tracker toįail, or the tracker position to drift over multiple frames. The tracking window should be adjusted so it neatly ![]() Trackers have a rectangular window area, the tracking window, that contains the imageĭata to be tracked between frames, and a larger rectangular searchĪrea that shows the area that will be searched for the best matching Selecting one or more trackers from the list. Trackers that are passed into the User Track node can also be fetchedįor further editing in this node by clicking the Fetch button and As new trackers are created, they will be added to theĮach tracker has its own set of tracking parameters, and these canīe edited using the various menus and edit boxes provided in the UI. The more distinct the image feature isĬompared to the surrounding area, the more easily the feature can be Trackers should be placed on significant image features such asĬorners or tracking markers. Object being tracked (for example, "Car" or "Head"). Object, the group should be changed to something representative of the By default, this group is called Camera andĬorresponds to tracking the overall camera motion. Usage Tracking groupsĪll trackers generated by a single User Track node are placed into a Trackers can be placed in multiple clips at the same time, enabling multiple cameras to be solved simultaneously, or helper frames to be used to assist with a camera solve (see the Camera Solver section for further information). Use for camera or object solving, and can have multiple inputs and The User Track node can be used to manually generate trackers to Solving for camera pose and 3D point cloud. ![]()
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January 2023
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