Fingerprint feature-based text copy detection system and method
A fingerprint feature and detection system technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve the problem of low efficiency of fingerprint feature extraction
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[0051] The preferred embodiments of the present invention will be further described below in conjunction with the accompanying drawings.
[0052] Such as figure 1 As shown, the text copy detection system based on fingerprint features in this embodiment contains the following modules:
[0053] The text preprocessing module is used to convert the format of the text, filter noises such as numbers, stop words, prepositions and special symbols in the text to be detected, normalize the words, and remove the interference of English letter case.
[0054] The word encoding module, according to the original characteristics of the word, encodes the word of the preprocessed text according to the set rules.
[0055] The dictionary sorting module sorts the encoded text in sentence units according to the dictionary, and removes the punctuation in the text.
[0056] The hash value mapping module uses the rolling hash function to calculate the hash value of the text sorted by the dictionary ...
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