318 Include one or more Batteries

These relative displacements of the options within the frames can be used to estimate the movement of the options relative to the optical navigation system or iTagPro bluetooth tracker the motion of the optical navigation system relative to the features. Such a optical navigation technique shall be referred to herein as a beacon-based mostly navigation approach. Beacon-based mostly navigation strategies are at the moment utilized in pc gaming models to track motion of distant input gadgets for the gaming units. A priority with typical beacon-primarily based navigation methods is that additional hardware is required to offer the beacons, which provides cost and iTagPro technology undesired complexity to the general system. Another concern is that non-beacon mild sources in the sector of view, e.g., candles and reflections of mild, may be mistaken for the beacons, which may introduce navigation errors. Such a optical navigation technique will probably be referred to herein as a scene-based navigation method. Scene-based navigation strategies are similar to the navigation techniques employed in optical computer mice.

Positional adjustments of the distinguishing options captured in successive frames of image data are used to trace the motion of the optical navigation system. Scene-based mostly navigation techniques may also be utilized in laptop gaming units to trace motion of distant input devices for the gaming units. Such navigation errors will not be vital for purposes that are not time-sensitive, akin to cursor management for word processing applications. However, iTagPro device for iTagPro device time-sensitive functions, corresponding to laptop gaming, such navigation errors may not be tolerable. FIG. 1 shows an optical navigation system in accordance with an embodiment of the invention. FIG. 2B illustrates an imaged display display screen in captured picture frames when the hand-held controller unit is moved laterally at a set distance from the show screen 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 show display screen in a captured image frame by thresholding in accordance with some embodiments of the invention.

FIG. 5 illustrates a strategy of discovering the imaged display screen in a captured picture frame by looking for a body of a show machine within the picture body in accordance with other embodiments of the invention. FIG. 6 illustrates a means of finding the imaged display display in a captured picture frame by searching for a quadrilateral area having a dominant color ItagPro in the image body in accordance with different embodiments of the invention. FIG. 7 illustrates a technique of finding the imaged show display in a captured image frame by comparing the picture frame with a reference picture in accordance with other embodiments of the invention. FIG. 8 is a course of movement diagram of a method for monitoring an enter machine in accordance with an embodiment of the invention. A hundred features a hand-held controller unit 102 , a show device 104 and iTagPro technology a console unit 106 . 102 and the console unit 106 are a part of a computer gaming system where the hand-held controller unit is an enter system of the system to govern graphical parts displayed on the show machine 104 .

100 is used to implement other sorts of techniques. For example, some embodiments of the optical navigation system one hundred could also be used to offer an accessible user interface for iTagPro technology a pc system. A hundred operates to trace the movements of the hand-held controller unit 102 of the system utilizing a display display screen 108 of the show gadget 104 in frames of image knowledge captured by the hand-held controller unit 102 . Positional information of the imaged model of the display screen 108 in captured image frames is then used to find out the current position of the hand-held controller unit 102 . 108 in a captured image body could embrace the placement and dimension of the imaged display display in the captured image frame with respect to the captured image body, as nicely because the form of the imaged display display within the captured picture body. 102 could be the place of the hand-held controller unit relative to absolutely the 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 show display screen 108 . One of these monitoring utilizing the imaged display display screen in a captured image frame will sometimes be referred to herein as a screen-primarily based navigation. FIGS. 2A-2C illustrate how the positional data of an imaged show display screen in a captured image frame can be used to determine the relative position of the hand-held controller unit 102 with respect to the display screen 108 . FIG. 2A illustrates an imaged display display screen 210 in captured picture frames 212 A, luggage tracking device 212 B and 212 C when the hand-held controller unit 102 is moved closer or farther from the show screen 108 . 212 A when the hand-held controller unit 102 is positioned close to the display display screen 108 , the scale of the imaged show display screen 210 is relatively giant. 210 is rectangular in form.