318 Include one or more Batteries > 자유게시판

These relative displacements of the features within the frames can be utilized to estimate the motion of the options relative to the optical navigation system or the motion of the optical navigation system relative to the features. Any such optical navigation method shall be referred to herein as a beacon-based mostly navigation method. Beacon-based mostly navigation techniques are at the moment utilized in computer gaming models to trace movement of remote input units for the gaming units. A concern with typical beacon-primarily based navigation techniques is that additional hardware is needed to offer the beacons, which adds value and undesired complexity to the overall system. Another concern is that non-beacon gentle sources in the sphere of view, e.g., iTagPro USA candles and reflections of gentle, can be mistaken for the beacons, which might introduce navigation errors. Any such optical navigation method shall be referred to herein as a scene-based mostly navigation technique. Scene-based navigation methods are similar to the navigation methods employed in optical pc mice.

Positional changes of the distinguishing options captured in successive frames of picture knowledge are used to track lost luggage the movement of the optical navigation system. Scene-based mostly navigation strategies can be utilized in laptop gaming models to trace motion of distant input units for the gaming items. Such navigation errors might not be crucial for track lost luggage functions that aren't time-sensitive, iTagPro tracker akin to cursor travel security tracker management for iTagPro USA word processing functions. However, for time-sensitive purposes, reminiscent of pc gaming, such navigation errors is probably not tolerable. FIG. 1 shows an optical navigation system in accordance with an embodiment of the invention. FIG. 2B illustrates an imaged display screen in captured picture frames when the hand-held controller unit is moved laterally at a set distance from the show display screen in accordance with an embodiment of the invention. FIG. 3 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 technique of finding the imaged display display screen in a captured picture body by thresholding in accordance with some embodiments of the invention.

FIG. 5 illustrates a technique of discovering the imaged show screen in a captured picture frame by looking for a body of a display gadget within the picture frame in accordance with other embodiments of the invention. FIG. 6 illustrates a process of discovering the imaged show display in a captured image frame by trying to find a quadrilateral region having a dominant coloration in the image body in accordance with other embodiments of the invention. FIG. 7 illustrates a means of finding the imaged display display in a captured image body by comparing the picture body with a reference picture in accordance with other embodiments of the invention. FIG. Eight is a course of move diagram of a technique for tracking an enter system in accordance with an embodiment of the invention. A hundred includes a hand-held controller unit 102 , a display machine 104 and a console unit 106 . 102 and track lost luggage the console unit 106 are part of a computer gaming system the place the hand-held controller unit is an enter device of the system to manipulate graphical components displayed on the show machine 104 .

A hundred is used to implement other sorts of techniques. For instance, iTagPro features some embodiments of the optical navigation system 100 may be used to provide an accessible user interface for a pc system. 100 operates to trace the movements of the hand-held controller unit 102 of the system using a display display screen 108 of the show gadget 104 in frames of image information captured by the hand-held controller unit 102 . Positional info of the imaged version of the display display 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 might embody the placement and dimension of the imaged display display within the captured picture frame with respect to the captured image frame, as nicely as the shape of the imaged display display screen in 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 display screen 108 .

102 might be the place of the hand-held controller unit relative to the earlier position of the hand-held controller unit with respect to the show display screen 108 . One of these tracking using the imaged display display in a captured image frame will sometimes be referred to herein as a screen-primarily based navigation. FIGS. 2A-2C illustrate how the positional information of an imaged display display in a captured picture body can be used to determine the relative place of the hand-held controller unit 102 with respect to the show display screen 108 . FIG. 2A illustrates an imaged show display screen 210 in captured image frames 212 A, 212 B and track lost luggage 212 C when the hand-held controller unit 102 is moved nearer or farther from the display screen 108 . 212 A when the hand-held controller unit 102 is positioned close to the display screen 108 , the size of the imaged display display screen 210 is comparatively large. 210 is rectangular in form.