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Revision as of 10:23, 14 September 2025 by LouveniaLeichhar (talk | contribs) (Created page with "<br>These relative displacements of the features within the frames can be used to estimate the movement of the options relative to the optical navigation system or the movement of the optical navigation system relative to the features. This sort of optical navigation approach shall be referred to herein as a beacon-primarily based navigation approach. Beacon-primarily based navigation methods are presently utilized in laptop gaming items to trace movement of distant inpu...")
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These relative displacements of the features within the frames can be used to estimate the movement of the options relative to the optical navigation system or the movement of the optical navigation system relative to the features. This sort of optical navigation approach shall be referred to herein as a beacon-primarily based navigation approach. Beacon-primarily based navigation methods are presently utilized in laptop gaming items to trace movement of distant input units for the gaming items. A concern with conventional beacon-based mostly navigation methods is that extra hardware is required to supply the beacons, which provides value and undesired complexity to the overall system. Another concern is that non-beacon gentle sources in the sphere of view, e.g., candles and ItagPro reflections of mild, could be mistaken for the beacons, iTagPro smart tracker which may introduce navigation errors. This sort of optical navigation method will probably be referred to herein as a scene-based navigation method. Scene-primarily based navigation methods are similar to the navigation techniques employed in optical laptop mice.



Positional changes of the distinguishing options captured in successive frames of image data are used to track the motion of the optical navigation system. Scene-based mostly navigation strategies may also be utilized in pc gaming items to trace movement of remote input gadgets for the gaming units. Such navigation errors might not be vital for purposes that are not time-delicate, equivalent to cursor control for iTagPro smart tracker word processing purposes. However, for time-delicate purposes, similar to computer gaming, such navigation errors will not be tolerable. FIG. 1 exhibits an optical navigation system in accordance with an embodiment of the invention. FIG. 2B illustrates an imaged show screen in captured image frames when the hand-held controller unit is moved laterally at a set distance from the show display in accordance with an embodiment of the invention. FIG. Three is a block diagram of the hand-held controller unit of the optical navigation system of FIG. 1 in accordance with an embodiment of the invention. FIG. 4 illustrates a process of finding the imaged display display screen in a captured picture frame by thresholding in accordance with some embodiments of the invention.



FIG. 5 illustrates a means of discovering the imaged display display screen in a captured picture body by trying to find a frame of a show system within the image body in accordance with other embodiments of the invention. FIG. 6 illustrates a means of finding the imaged display display in a captured picture body by trying to find a quadrilateral region having a dominant shade in the picture body in accordance with other embodiments of the invention. FIG. 7 illustrates a process of discovering the imaged show screen in a captured picture body by evaluating the picture body with a reference image in accordance with different embodiments of the invention. FIG. 8 is a course of stream diagram of a way for tracking an input machine in accordance with an embodiment of the invention. One hundred features a hand-held controller unit 102 , ItagPro a show machine 104 and a console unit 106 . 102 and the console unit 106 are part of a computer gaming system where the hand-held controller unit is an enter machine of the system to govern graphical elements displayed on the show machine 104 .



One hundred is used to implement other varieties of systems. For example, some embodiments of the optical navigation system one hundred may be used to supply an accessible person interface for a computer system. A hundred operates to trace the movements of the hand-held controller unit 102 of the system utilizing a show display 108 of the show device 104 in frames of image data captured by the hand-held controller unit 102 . Positional info of the imaged model of the display display screen 108 in captured image frames is then used to find out the present place of the hand-held controller unit 102 . 108 in a captured image frame could embody the placement and measurement of the imaged show display screen in the captured picture frame with respect to the captured image body, as effectively because the shape of the imaged display display in the captured image body. 102 will be the place of the hand-held controller unit relative to the absolute coordinate system with respect to the display screen 108 .



102 will be the place of the hand-held controller unit relative to the previous position of the hand-held controller unit with respect to the display display screen 108 . One of these monitoring using the imaged display screen in a captured picture frame will typically be referred to herein as a screen-primarily based navigation. FIGS. 2A-2C illustrate how the positional info of an imaged show screen in a captured image frame can be utilized to find out the relative position of the hand-held controller unit 102 with respect to the show screen 108 . FIG. 2A illustrates an imaged show screen 210 in captured picture frames 212 A, 212 B and 212 C when the hand-held controller unit 102 is moved nearer or iTagPro smart tracker farther from the show display screen 108 . 212 A when the hand-held controller unit 102 is positioned close to the show display screen 108 , iTagPro smart tracker the dimensions of the imaged show screen 210 is relatively large. 210 is rectangular in form.