Hash value computer of content of digital signals
First Claim
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1. A computer-implemented hashing method, comprising:
- computing a hash value representative of a digital signal such that perceptually distinct digital signals result in hash values that are approximately independent of one another and perceptually same digital signals result in identical hash values; and
storing the hash value in relationship with the digital signal.
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Abstract
Described herein is a technology for facilitating the recognition of the content of digital signals. This abstract itself is not intended to limit the scope of this patent. The scope of the present invention is pointed out in the appending claims.
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Citations
15 Claims
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1. A computer-implemented hashing method, comprising:
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computing a hash value representative of a digital signal such that perceptually distinct digital signals result in hash values that are approximately independent of one another and perceptually same digital signals result in identical hash values; and
storing the hash value in relationship with the digital signal. - View Dependent Claims (2)
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3. A system for processing digital signals, comprising:
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a digital signal hashing unit to compute a hash value representative of a digital signal such that perceptually distinct digital signals result in hash values that are approximately independent of one another and perceptually same digital signals result in identical hash values; and
a storage to hold the hash values. - View Dependent Claims (4)
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5. A computer-readable medium having computer-executable instructions, which when executed on a processor, direct a computer to:
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compute a hash value representative of a digital signal such that perceptually distinct digital signals result in hash values that are approximately independent of one another and perceptually same digital signals result in identical hash values; and
store the hash value in relationship with the digital signal.
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6. A computer-implemented hashing method, comprising acts of:
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computing a hash value representative of a digital signal based upon intrinsic characteristics of the digital signal, wherein perceptually distinct digital signals have computed hash values that are approximately independent of one another and perceptually same digital signals have computed hash values are substantially identical;
storing the hash value in relationship with the digital signal. - View Dependent Claims (7, 8, 9)
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10. One or more computer-readable media having computer-executable instructions, which when executed on a computer, perform acts comprising:
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computing a hash value representative of a digital signal based upon intrinsic characteristics of the digital signal, wherein perceptually distinct digital signals have computed hash values that are approximately independent of one another and perceptually same digital signals have computed hash values are substantially identical;
storing the hash value in relationship with the digital signal. - View Dependent Claims (11, 12, 13)
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14. A system comprising means for performing functions comprising:
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computing a hash value representative of a digital signal based upon intrinsic characteristics of the digital signal, wherein perceptually distinct digital signals have computed hash values that are approximately independent of one another and perceptually same digital signals have computed hash values are substantially identical;
storing the hash value in relationship with the digital signal. - View Dependent Claims (15)
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Specification