systems and methods for motion recognition with minimum delay
First Claim
1. A system for controlling objects in a virtual interactive environment, the system comprising:
- a processing unit, receiving a motion signal from at least one motion sensing device, configured to access a set of prototypes included in a motion recognizer to generate corresponding recognition signals from the motion signal in response to the motion recognizer without considering one or more of the prototypes completely in the motion recognizer, wherein the at least one motion sensing device sends the motion signal responsive to motions made by a user, the recognition signals are continuously generated while the user is making the motions with the motion sensing device; and
wherein the processing unit causes a display to show the virtual interactive environment, movements of at least one of objects in the virtual interactive environment are responsive to the recognition signals such that feedback from the motions to control the one of the objects is immediate, no matter how much of the motion signal has been received, wherein the feedback is responsive to a measure of progress that has been made through at least one of a current best guess from the motions, and a measure of confidence provided with the current best guess.
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Abstract
Techniques for performing motion recognition with minimum delay are disclosed. A processing unit is provided to receive motion signals from at least one motion sensing device, where the motion signal describes motions made by a user. The processing unit is configured to access a set of prototypes included in a motion recognizer to generate corresponding recognition signals from the motion signals in response to the motion recognizer without considering one or more of the prototypes completely in the motion recognizer. Movements of at least one of the objects in a virtual interactive environment is responsive to the recognition signals such that feedback from the motions to control the one of the objects is immediate and substantially correct no matter how much of the motion signals have been received.
25 Citations
20 Claims
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1. A system for controlling objects in a virtual interactive environment, the system comprising:
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a processing unit, receiving a motion signal from at least one motion sensing device, configured to access a set of prototypes included in a motion recognizer to generate corresponding recognition signals from the motion signal in response to the motion recognizer without considering one or more of the prototypes completely in the motion recognizer, wherein the at least one motion sensing device sends the motion signal responsive to motions made by a user, the recognition signals are continuously generated while the user is making the motions with the motion sensing device; and wherein the processing unit causes a display to show the virtual interactive environment, movements of at least one of objects in the virtual interactive environment are responsive to the recognition signals such that feedback from the motions to control the one of the objects is immediate, no matter how much of the motion signal has been received, wherein the feedback is responsive to a measure of progress that has been made through at least one of a current best guess from the motions, and a measure of confidence provided with the current best guess. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method for controlling objects in a virtual interactive environment, the method comprising:
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receiving a motion signal from at least one motion sensing device; computing, in a processing unit, a motion recognition signal from the motion signal with reference to motion recognizers that are created in advance from a set of training data generated by an end user without reference to a predefined set of allowed motions and without restriction on how to execute motions; and causing one of the objects in the virtual interactive environment to be responsive to the recognition signal which is continuously generated while the user is manipulating the motion sensing device, such that feedback from a motion to control the one of the objects is immediate no matter how much of the motion signal has been received, wherein the feedback is responsive to at least one of a measure of estimated progress and a measure of confidence in a current best guess motion of the user. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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19. A system for controlling objects in a virtual interactive environment, the system comprising:
a motion sensing device sending out a motion signal responsive to motions made by a user, the motion signal being wirelessly received by a processing unit configured to access a set of prototypes included in a motion recognizer to generate corresponding recognition signals from the motion signal in response to the motion recognizer without considering one or more of the prototypes completely in the motion recognizer, wherein the recognition signals are continuously generated while the user is making the motions with the motion sensing device, and wherein the processing unit causes a display to show the virtual interactive environment, movements of at least one of objects in the virtual interactive environment are responsive to the recognition signals such that feedback from the motions to control the one of the objects is immediate, no matter how much of the motion signal has been received, wherein the feedback is responsive to a measure of progress that has been made through at least one of a current best guess from the motions, and a measure of confidence provided with the current best guess. - View Dependent Claims (20)
Specification