Motion recognition device and method
First Claim
1. A motion recognition device, comprising:
- a sensing unit generating a sense signal in response to a first body motion occurring at a specific position out of a plurality of different positions on a user'"'"'s body, wherein the sense signal includes a first sense signal portion and a second sense signal portion different from the first sense signal portion, and the first body motion belongs to a motion segment of a first motion type; and
a processing unit electrically connected to the sensing unit and processing the sense signal to generate a motion parameter signal structure including a fusion signal of the first and the second sense signal portions, and recognizing the specific position on the user'"'"'s body to determine an effective reference signal for recognition of the first motion type based on the motion parameter signal structure, wherein the processing unit generates a specific position code representing the specific position based on the motion parameter signal structure, and thereby recognizes the specific position,wherein;
the specific position is selected from the plurality of different positions on the user'"'"'s body;
the motion recognition device is further configured to have an orientation, a gravity direction and a body coordinate system used to determine the orientation, and fastened at the specific position;
the sense signal is generated in relation to the body coordinate system;
in a state that the orientation is directed to a predetermined direction in relation to the gravity direction, the processing unit generates the specific position code representing the specific position based on the motion parameter signal structure, and thereby recognizes the specific position;
the predetermined direction is determined based on the specific position;
the predetermined direction and the gravity direction have a first angle therebetween;
the fusion signal is a signal of an estimated angle associated with the first angle;
in this state, the processing unit makes a first decision on whether the processing unit detects a trigger signal; and
when the first decision is positive, the processing unit generates the specific position code based on the estimated angle.
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Abstract
A motion recognition device includes a sensing unit and a processing unit. The sensing unit generates a sense signal in response to a body motion occurring at a specific position on a user'"'"'s body, wherein the sense signal includes a first sense signal portion and a second sense signal portion different from the first sense signal portion, and the body motion belongs to a motion segment of a motion type. The processing unit processes the sense signal to generate a motion parameter signal structure including a fusion signal of the first and the second sense signal portions, and recognizes the specific position to determine an effective reference signal for recognition of the motion type based on the motion parameter signal structure.
19 Citations
18 Claims
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1. A motion recognition device, comprising:
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a sensing unit generating a sense signal in response to a first body motion occurring at a specific position out of a plurality of different positions on a user'"'"'s body, wherein the sense signal includes a first sense signal portion and a second sense signal portion different from the first sense signal portion, and the first body motion belongs to a motion segment of a first motion type; and a processing unit electrically connected to the sensing unit and processing the sense signal to generate a motion parameter signal structure including a fusion signal of the first and the second sense signal portions, and recognizing the specific position on the user'"'"'s body to determine an effective reference signal for recognition of the first motion type based on the motion parameter signal structure, wherein the processing unit generates a specific position code representing the specific position based on the motion parameter signal structure, and thereby recognizes the specific position, wherein; the specific position is selected from the plurality of different positions on the user'"'"'s body; the motion recognition device is further configured to have an orientation, a gravity direction and a body coordinate system used to determine the orientation, and fastened at the specific position; the sense signal is generated in relation to the body coordinate system; in a state that the orientation is directed to a predetermined direction in relation to the gravity direction, the processing unit generates the specific position code representing the specific position based on the motion parameter signal structure, and thereby recognizes the specific position; the predetermined direction is determined based on the specific position; the predetermined direction and the gravity direction have a first angle therebetween; the fusion signal is a signal of an estimated angle associated with the first angle; in this state, the processing unit makes a first decision on whether the processing unit detects a trigger signal; and when the first decision is positive, the processing unit generates the specific position code based on the estimated angle. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A motion recognition device, comprising:
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a signal generating unit generating a motion parameter signal structure including a fusion signal in response to a body motion occurring at a specific position out of a plurality of different positions on a user'"'"'s body, wherein the body motion belongs to a first motion type; and a processing unit electrically connected to the signal generating unit and recognizing the specific position on the user'"'"'s body to determine an effective reference signal for recognition of the first motion type based on the motion parameter signal structure, wherein the processing unit generates a specific position code representing the specific position based on the motion parameter signal structure, and thereby recognizes the specific position, wherein; the specific position is selected from the plurality of different positions on the user'"'"'s body; the motion recognition device is further configured to have an orientation, a gravity direction and a body coordinate system used to determine the orientation, and fastened at the specific position; in a state that the orientation is directed to a predetermined direction in relation to the gravity direction, the processing unit generates the specific position code representing the specific position based on the motion parameter signal structure, and thereby recognizes the specific position; the predetermined direction is determined based on the specific position; the predetermined direction and the gravity direction have a first angle therebetween; the fusion signal is a signal of an estimated angle associated with the first angle; in this state, the processing unit makes a first decision on whether the processing unit detects a trigger signal; and when the first decision is positive, the processing unit generates the specific position code based on the estimated angle. - View Dependent Claims (9, 10, 11)
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12. A motion recognition method, comprising steps of:
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generating a motion parameter signal structure in response to a first body motion occurring at a specific position on a user'"'"'s body, wherein the first body motion belongs to a first motion type; generating a specific position code representing the specific position on the user'"'"'s body based on the motion parameter signal structure; recognizing the specific position to determine an effective reference signal for recognition of the first motion type; and providing a recognition device, wherein the recognition device is configured to have an orientation, a gravity direction and a body coordinate system used to determine the orientation, and is fastened at the specific position, wherein; the specific position is selected from a plurality of different positions on the user'"'"'s body; the step of generating the motion parameter signal structure in response to the first body motion further comprises sub-steps of; generating a sense signal associated with the body coordinate system in response to the first body motion, wherein the sense signal includes an accelerometer signal and a gyroscope signal; and processing the sense signal to generate the motion parameter signal structure including a fusion signal of the accelerometer signal and the gyroscope signal; the predetermined direction is determined based on the specific position; the predetermined direction and the gravity direction have a first angle therebetween; the fusion signal is a signal of an estimated angle associated with the first angle; and the step of generating the specific position code comprises sub-steps of; in this state, making a first decision on whether a trigger signal is detected; and when the first decision is positive, generating the specific position code based on the estimated angle. - View Dependent Claims (13, 14, 15, 16, 17, 18)
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Specification