SYSTEMS AND METHODS FOR RIGHTS PROTECTION OF DATASETS WITH DATASET STRUCTURE PRESERVATION
First Claim
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1. A method for rights protection of a dataset that includes multiple trajectory objects, comprising:
- determining an intensity power for embedding a watermarking key in a data trajectory; and
modifying the data trajectory to embed a watermarking key at the intensity power such that the intensity power guarantees an original pair-wise relationship between distance-based neighboring objects before and after embedding of the key such that a modified trajectory provides a watermarked version of the data trajectory.
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Abstract
A system and method for rights protection of a dataset that includes multiple trajectory objects includes determining an intensity power for embedding a watermarking key in a data trajectory. The data trajectory is modified to embed a watermarking key at the intensity power such that the intensity power guarantees an original pair-wise relationship between distance-based neighboring objects before and after embedding of the key such that a modified trajectory provides a watermarked version of the data trajectory.
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Citations
20 Claims
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1. A method for rights protection of a dataset that includes multiple trajectory objects, comprising:
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determining an intensity power for embedding a watermarking key in a data trajectory; and modifying the data trajectory to embed a watermarking key at the intensity power such that the intensity power guarantees an original pair-wise relationship between distance-based neighboring objects before and after embedding of the key such that a modified trajectory provides a watermarked version of the data trajectory. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A computer readable medium comprising a computer readable program for rights protection of a dataset that includes multiple trajectory objects, wherein the computer readable program when executed on a computer causes the computer to perform the steps of:
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determining an intensity power for embedding a watermarking key in a data trajectory; modifying the data trajectory to embed a watermarking key at the intensity power such that the intensity power guarantees an original pair-wise relationship between distance-based neighboring objects such that a modified trajectory provides a watermarked version of the data trajectory.
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11. A method for rights protection of datasets that include multiple trajectory objects while maintaining dataset structure, comprising:
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providing a trajectory for an object in a dataset, the object being associated with at least one class; transforming the trajectory into a frequency domain to provide magnitudes and phases for data in the trajectory; determining an intensity power for embedding a watermarking key in the trajectory that guarantees an original pair-wise relationship between nearest neighboring objects of an object associated with the trajectory before and after embedding of the key; modifying the data trajectory to embed the watermarking key at the magnitudes equal to or above the intensity power to provide a modified trajectory; and transforming the modified trajectory from the frequency domain to provide a watermarked version of the trajectory. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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20. A computer readable medium comprising a computer readable program for rights protection of datasets that include multiple trajectory objects while maintaining dataset structure, wherein the computer readable program when executed on a computer causes the computer to perform the steps of:
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providing a trajectory for an object in a dataset, the object being associated with at least one class; transforming the trajectory into a frequency domain to provide magnitudes and phases for data in the trajectory; determining an intensity power for embedding a watermarking key in the trajectory that guarantees an original pair-wise relationship between nearest neighboring objects of an object associated with the trajectory before and after embedding of the key; modifying the data trajectory to embed the watermarking key at the magnitudes equal to or above the intensity power to provide a modified trajectory; and transforming the modified trajectory from the frequency domain to provide a watermarked version of the trajectory.
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Specification