Motion Capture Apparatus and Method
First Claim
1. A motion capture apparatus, comprising:
- an estimation unit to estimate posture information, including one or more rotation angles of plural portions of a body different from a portion of the body where a measurement sensor is positioned at, based on a detected distance representation and one or more of rotation angle measurements by the measurement sensor, according to the measurement sensor being positioned at the portion of the body and detecting the distance representation between the measurement sensor and a reference position.
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Abstract
Provided are an apparatus and a method of effectively creating real-time movements of a three dimensional virtual character by use of a small number of sensors. More specifically, the motion capture method, which maps movements of a human body into a skeleton model to generate movements of a three-dimensional (3D) virtual character, includes measuring a distance between a portion of a human body to which a measurement sensor is positioned and a reference position and rotation angles of the portion, and estimating relative rotation angles and position coordinates of each portion of the human body by use of the measured distance and rotation angles.
105 Citations
52 Claims
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1. A motion capture apparatus, comprising:
an estimation unit to estimate posture information, including one or more rotation angles of plural portions of a body different from a portion of the body where a measurement sensor is positioned at, based on a detected distance representation and one or more of rotation angle measurements by the measurement sensor, according to the measurement sensor being positioned at the portion of the body and detecting the distance representation between the measurement sensor and a reference position. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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25. A motion capture method which maps movements of a body into a skeleton model for generating movements of a three-dimensional (3D) virtual character, the method comprising:
estimating posture information, including one or more rotation angles of plural portions of a body different from a portion of the body where a measurement sensor is positioned at, based on a detected distance representation and one or more of rotation angle measurements by the measurement sensor, according to the measurement sensor being positioned at the portion of the body and detecting the distance representation between the measurement sensor and a reference position. - View Dependent Claims (26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47)
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48. A motion capture apparatus, comprising:
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an estimation unit which estimates posture information, including one or more rotation angles of non-extremity portions of a body based on one or more detected distance representations and rotation angle measurements measured by one or more measurement sensors, with the non-extremity portions including at least one of both an elbow and a shoulder and both a knee and a pelvis based on the one or more measurement sensors being positioned at a corresponding wrist area and/or ankle area of the body based on which non-extremity portions of the body posture information is being estimated by the estimation unit, wherein the one or more measurement sensors are positioned only at respective different extremity portions of the body and respectively detect the one or more distance representations as between each measurement sensor and a reference position. - View Dependent Claims (49)
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50. A motion capture method, comprising:
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estimating posture information, including one or more rotation angles of non-extremity portions of a body based on one or more detected distance representations and rotation angle measurements measured by one or more measurement sensors, with the non-extremity portions including at least one of both an elbow and a shoulder and both a knee and a pelvis based on the one or more measurement sensors being positioned at a corresponding wrist area and/or ankle area of the body based on which non-extremity portions of the body posture information is being estimated by the estimating, wherein the one or more measurement sensors are positioned only at respective different extremity portions of the body and respectively detect the one or more distance representations as between each measurement sensor and a reference position. - View Dependent Claims (51, 52)
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Specification