SIGN LANGUAGE RECOGNITION SYSTEM AND METHOD
First Claim
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1. A sign language recognition system comprising:
- a depth-sensing camera to capture an image of a gesture of a signer in a line of sight of the depth-sensing camera, and gather data as to distances between a plurality of points on the signer and the depth-sensing camera;
a processing unit;
a storage unit connected to the processing unit and the depth-sensing camera, and storing a plurality of programs to be executed by the processing unit, wherein the storage unit comprises;
a three dimension (3D) model building module to build a 3D model of the gesture according to the image of the gesture and the data about distances between the plurality of points in the scene and the depth-sensing camera;
a gesture storing module storing a plurality of 3D models of gestures and representations for each 3D model; and
a recognition module to compare the 3D model of the gesture obtained with the plurality of 3D models of gestures, to recognize the representations of the 3D model; and
an output unit connected to the processing unit, to output the representations of the 3D model of the gesture.
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Abstract
A sign language recognition method includes a depth-sensing camera capturing an image of a gesture of a signer and gathering data about distances between a number of points on the signer and the depth-sensing camera, building a three dimension (3D) model of the gesture, comparing the 3D model of the gesture with a number of 3D models of different gestures to find out the representations of the 3D model of the gesture, and displaying or vocalizing the representations of the 3D model of the gesture.
18 Citations
12 Claims
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1. A sign language recognition system comprising:
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a depth-sensing camera to capture an image of a gesture of a signer in a line of sight of the depth-sensing camera, and gather data as to distances between a plurality of points on the signer and the depth-sensing camera; a processing unit; a storage unit connected to the processing unit and the depth-sensing camera, and storing a plurality of programs to be executed by the processing unit, wherein the storage unit comprises; a three dimension (3D) model building module to build a 3D model of the gesture according to the image of the gesture and the data about distances between the plurality of points in the scene and the depth-sensing camera; a gesture storing module storing a plurality of 3D models of gestures and representations for each 3D model; and a recognition module to compare the 3D model of the gesture obtained with the plurality of 3D models of gestures, to recognize the representations of the 3D model; and an output unit connected to the processing unit, to output the representations of the 3D model of the gesture. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A sign language recognition method comprising:
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capturing an image of a gesture of a signer and gathering data about distances between a plurality of points on the signer and a depth-sensing camera by the depth-sensing camera; building a three dimension (3D) model of the gesture according to the image and the data about distances; comparing the 3D model of the gesture with a plurality of 3D models of gestures to find out the representations of the 3D model of the gesture; and outputting the representations of the 3D model of the gesture. - View Dependent Claims (9, 10, 11, 12)
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Specification