Method and apparatus for personnel detection and tracking
First Claim
1. An image detecting and tracking system, comprising:
- at least two image sensing devices, each of said image sensing devices producing image data;
a first tracking module which receives the image data, generates a disparity image based upon the image data from each of said image sensing devices, and determines a target region in said disparity image;
a second tracking module which classifies and tracks said target region through color segmentation; and
a third tracking module which distinguishes individual features and tracks identified features which are located within a classified target region.
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Accused Products
Abstract
Techniques from computer vision and computer graphics are combined to robustly track a target (e.g., a user) and perform a function based upon the image and/or the identity attributed to the target'"'"'s face. Three primary modules are used to track a user'"'"'s head: depth estimation, color segmentation, and pattern classification. The combination of these three techniques allows for robust performance despite unknown background, crowded conditions, and rapidly changing pose or expression of the user. Each of the modules can also provide an identity classification module with valuable information so that the identity of a user can be estimated. With an estimate of the position of a target in 3-D and the target'"'"'s identity, applications such as individualized computer programs or graphics techniques to distort and/or morph the shape or apparent material properties of the user'"'"'s face can be performed. The system can track and respond to a user'"'"'s face in real-time using completely passive and non-invasive techniques.
939 Citations
22 Claims
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1. An image detecting and tracking system, comprising:
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at least two image sensing devices, each of said image sensing devices producing image data;
a first tracking module which receives the image data, generates a disparity image based upon the image data from each of said image sensing devices, and determines a target region in said disparity image;
a second tracking module which classifies and tracks said target region through color segmentation; and
a third tracking module which distinguishes individual features and tracks identified features which are located within a classified target region. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 19, 20)
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10. A method for image detecting and tracking comprising:
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detecting an image via two separate optical paths;
receiving image data from said paths, generating a disparity image based upon the image data from each of said paths, and determining a target region in said disparity image;
classifying and tracking said target region through color segmentation;
detecting facial patterns within said target region based on said image data; and
displaying a image of the facial patterns detected within said target region. - View Dependent Claims (11, 12, 13, 14, 15, 21)
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16. An identification system, comprising:
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at least two image sensing devices, each of said image sensing devices producing image data;
a first tracking module which receives the image data from each of said image sensing devices, locates and tracks a target area in the sensed image and provides a range identity description;
a second tracking module which classifies said target area through color segmentation and outputs a color identity description;
a third tracking module which distinguishes individual features located within said classified target area and outputs a face identity description; and
a classification module which receives said range identity description, said color identity description and said face identity description, and estimates an identity of a person whose image is contained within said target area. - View Dependent Claims (17, 18, 22)
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Specification