CN103685613B - A kind of anti-telephone fraud system and method based on speech recognition - Google Patents
A kind of anti-telephone fraud system and method based on speech recognition Download PDFInfo
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Abstract
The invention discloses a kind of anti-telephone fraud system and method based on speech recognition, this system includes activate switch, main control module, voice acquisition module, memory module, remote communication module, telephone fraud keywords database and reminding module.Wherein, main control module is for judging speech feature extraction, key word identification, swindle key word comparison and result；Remote communication module is for remotely updating telephone fraud keywords database and the data transmit-receive function when needing to upload in real time data；Telephone fraud keywords database is made up of the some key words extracted in common telephone swindle case.Present system is built in landline telephone or mobile phone, telephone subscriber can be helped to identify the telephone fraud emerged in an endless stream；When telephone plant cannot complete to identify due to the reason such as cost or computing capability own in time, the present invention can also remotely identify telephone fraud key word on the premise of not revealing user's communication content by background service.
Description
Technical field
The invention belongs to the communications field, particularly to a kind of anti-telephone fraud system and method based on speech recognition.
Background technology
At present the case of telephone fraud is increasing, and fraud tactics emerges in an endless stream, and the less people that or similar swindle information inadequate especially for old people, know-how is known, being more easy to be deceived causes economic loss.Still lack currently for this type of telephone fraud case and help victim the most accurately and timely to see through the swindle before cheated the technology of snare and method timely and effectively.The present invention is anti-telephone fraud system based on speech recognition, it is provided that technology and method help victim to see through the swindle before cheated snare timely and effectively.
Homomorphic cryptography is a kind of encrypted form, and it allows people that ciphertext is carried out specific algebraic operation to obtain remaining the result of encryption, and to carrying out as result encrypted by same computing more in plain text.In other words, this technology make us can such as retrieve in the data of encryption, the operation such as compare, draw correct result, and without data are decrypted in whole processing procedure.Its meaning is, the most fundamentally solves to entrust to data and operation thereof privacy problem during third party, such as the application of various cloud computings.
Summary of the invention
In order to overcome the deficiencies in the prior art, the present invention provides a kind of anti-telephone fraud system and method based on speech recognition.This system is built in landline telephone or mobile phone, telephone subscriber can be helped to identify the telephone fraud emerged in an endless stream；When telephone plant cannot complete to identify due to the reason such as cost or computing capability own in time, the method for the present invention can also remotely be identified telephone fraud key word on the premise of not revealing user's communication content, help user to penetrate telephone fraud by background service.
The technical solution adopted in the present invention is:
A kind of anti-telephone fraud system based on language identification, including activate switch, main control module, voice acquisition module, memory module, remote communication module and reminding module, described memory module includes that scratchpad area (SPA) and telephone fraud keywords database, described voice acquisition module, memory module, remote communication module, reminding module are connected with main control module respectively；Described activate switch is used for starting system work；Described main control module is for judging speech feature extraction, key word identification, swindle key word comparison and result；Described voice acquisition module is for when obtaining call voice after system start-up in real time；Described memory module is used for the phonetic feature after storing process and the key word of identification, and telephone fraud keywords database is also deposited in a storage module simultaneously；Described remote communication module is for remotely updating telephone fraud keywords database and the data transmit-receive function when needing to upload in real time data；Described reminding module, for providing the result prompting of whether telephone fraud, can be sound or vibration or screen shows or the combination of above three；Described telephone fraud keywords database is made up of the some key words extracted in common telephone swindle case, can dynamically add, and is used for judging the probability of telephone fraud by the combination of some key words.
As a further improvement on the present invention, also include that remote back-office server, described remote back-office server include homomorphic cryptography data processing module and telephone fraud keywords database, described memory module also includes homomorphic cryptography data memory module.
A kind of anti-telephone fraud method based on language identification, specifically includes procedure below:
Step one: set up above-mentioned anti-telephone fraud system based on language identification；
Step 2: user, in receiving calls, starts telephone fraud identification system after triggering activate switch；
Step 3: voice acquisition module is obtained and the voice of user's communication person in real time by the receiver of telephone plant；
Step 4: speech data is processed by main control module, and will process after data preserve in a storage module；
Step 5: compared with telephone fraud keywords database by the key word of extraction, when comparison result scoring is more than the recognition threshold set, is identified as this call for telephone fraud；Otherwise, nonrecognition is swindle；
Step 6: after being identified as telephone fraud, by reminding module, prompting user is probably any swindle way.
Further, described telephone fraud keywords database can periodically be updated by remote communication module, and the keywords database of renewal is provided by government department or special businessman.
Further, user is idle at telephone plant, during the most non-call, trigger activate switch system to ask the user whether to update keywords database by voice or screen display mode, after user agrees to, automatically starting telecommunications functions and update current key dictionary, user can interrupt this process.
A kind of anti-telephone fraud method based on language identification, described method is based on homomorphic cryptography technology, when telephone plant cannot complete to identify due to the reason such as cost or computing capability own in time, on the premise of not revealing user's communication content, remotely identified telephone fraud key word by background service, specifically include procedure below:
Step one: set up based on language identification the anti-telephone fraud system described in claim 2；
Step 2: user, in receiving calls, will start telephone fraud identification system after triggering activate switch；
Step 3: voice acquisition module will be obtained and the voice of user's communication person in real time by the receiver of telephone plant；
Step 4: speech data is processed by master controller, and will process after data preserve in the memory unit；
Step 5: call remote communication module and the data after encryption are sent to remote back-office server；
Step 6: remote back-office server uses special processing routine to process the speech data after user's homomorphic cryptography received, and extracts and comparison telephone fraud key word information；Ensure that remote back-office can also complete the work of keyword extraction identification in the condition not being decrypted user data with this, preferably ensure that the personal secrets of user；
Step 7: after user receives the cipher-text information that remote back-office server sends, employing system built-in homomorphic encryption algorithm decruption key is decrypted acquisition recognition result to ciphertext；
Step 8: after being identified as telephone fraud, by reminding module, prompting user is probably any swindle way；Prompting mode can be auditory tone cues, vibration, screen show or combination of two again or three's combination；
Step 9: remote back-office fraud tactics keywords database is provided by government department or special businessman, and regular update, to ensure the last state of keywords database；
Step 10: user is idle at telephone plant, during the most non-call, triggering activate switch system will ask the user whether to update keywords database by voice or screen display mode, after user agrees to, automatically start telecommunications functions and updates current key dictionary.User can interrupt this process.
Further, the process that speech data is processed by master controller described in step 4 is: the background noise in hardware filtering sound, then voice data is carried out homomorphic cryptography；Data after encryption are stored in scratchpad area (SPA), in case remote transmission.
Further, the mode that data described in step 5 transmit is cable-network transmission, or 3G, 4G, 5G communication that mobile device is conventional；Described remote back-office server is built operation by government department or special operator, it is provided that the Remote data processing request of user.
Further, processing routine special described in step 6 is provided by trusted third party, for the data after user's homomorphic cryptography are carried out keyword extraction comparison, and exports comparison result；The cipher-text information using described special processing routine to send user processes, and obtained comparison result is ciphertext, opaque to remote back-office server；Remote back-office server uses dedicated processes program to mark comparison result, when comparison result scoring is more than the recognition threshold set, is identified as this call for telephone fraud；Otherwise, nonrecognition is swindle；Final result of determination is sent to user with ciphertext form by remote back-office server.
The invention has the beneficial effects as follows:
1) this system is built in landline telephone or mobile phone, telephone subscriber can be helped to identify the telephone fraud emerged in an endless stream；
2) when telephone plant cannot complete to identify due to the reason such as cost or computing capability own in time, the present invention also provides for a kind of remote key word based on homomorphic cryptography technology and extracts recognition methods, on the premise of not revealing user's communication content, remotely identified telephone fraud key word by background service, help user to penetrate telephone fraud.
Accompanying drawing explanation
Fig. 1 is the embedded anti-telephone fraud system structure schematic diagram of phone；
Fig. 2 is remote speech identification comparison telephone fraud system structure schematic diagram based on homomorphic cryptography.
Detailed description of the invention
Describe the present invention below with reference to each embodiment shown in the drawings.But these embodiments are not limiting as the present invention, structure, method or conversion functionally that those of ordinary skill in the art is made according to these embodiments are all contained in protection scope of the present invention.
Embodiment 1:
A kind of anti-telephone fraud system based on language identification of the present invention is as it is shown in figure 1, include activate switch, main control module, voice acquisition module, memory module, remote communication module and reminding module.Memory module includes scratchpad area (SPA) and telephone fraud keywords database, and voice acquisition module, memory module, remote communication module, reminding module are connected with main control module respectively.
Activate switch is used for starting system work.
Main control module is for judging speech feature extraction, key word identification, swindle key word comparison and result；Described voice acquisition module is for when obtaining call voice after system start-up in real time.
Memory module is used for the phonetic feature after storing process and the key word of identification, and telephone fraud keywords database is also deposited in a storage module simultaneously.
Remote communication module is for remotely updating telephone fraud keywords database and the data transmit-receive function when needing to upload in real time data.
Reminding module, for providing the result prompting of whether telephone fraud, can be sound or vibration or screen shows or the combination of above three.
Telephone fraud keywords database is made up of the some key words extracted in common telephone swindle case, can dynamically add, and is used for judging the probability of telephone fraud by the combination of some key words.
Shown in Fig. 1, the anti-telephone fraud procedure of anti-telephone fraud system based on language identification is as follows:
Step1 system is set up: native system includes activate switch, main control module, voice acquisition module, memory module, remote communication module, telephone fraud keywords database and reminding module as shown in Figure 1.
1, activate switch is used for starting system work, is set to mechanical key or touchscreen button；
2, main control module is for judging speech feature extraction, key word identification, swindle key word comparison and result, is integrated in inside telephone plant；
3, voice acquisition module is for when obtaining call voice in real time after system start-up, by shared telephone receiver as voice pick device；
4, memory module is used for the phonetic feature after storing process and the key word of identification, and telephone fraud keywords database is also deposited in a storage module simultaneously, is integrated in inside telephone plant；
5, remote communication module is for remotely updating telephone fraud keywords database and the data transmit-receive function when needing to upload in real time data；Telephone fraud keywords database is made up of the some key words extracted in common telephone swindle case, can dynamically add, the combination of some key words is used for judging the probability of telephone fraud, uses the wire networking function of landline telephone or the wireless Internet access technology of mobile phone to realize telecommunication；
6, reminding module is for providing the result prompting of whether telephone fraud, can be sound or vibration or screen shows or the combination of above three.
Step2 user, in receiving calls, will start telephone fraud identification system after triggering activate switch；
Step3 voice acquisition module will be obtained and the voice of user's communication person in real time by the receiver of telephone plant；
Speech data is processed by Step4 master controller, and will process after data preserve in the memory unit；
The key word of extraction is compared by Step5 with telephone fraud keywords database, when comparison result scoring is more than the recognition threshold set, is identified as this call for telephone fraud；Otherwise, nonrecognition is swindle；
Step6 is after being identified as telephone fraud, and by reminding module, prompting user is probably any swindle way；
Step7 telephone fraud keywords database can periodically be updated by remote communication module, so that up-to-date fraud tactics can be included in time, remote back-office fraud tactics keywords database is provided by government department or special businessman；
Step71 user is idle at telephone plant, and during the most non-call, triggering activate switch system will ask the user whether to update keywords database by voice or screen display mode, after user agrees to, automatically start telecommunications functions and updates current key dictionary.User can interrupt this process.
Embodiment 2:
When telephone plant cannot complete to identify due to the reason such as cost or computing capability own in time, a kind of anti-telephone fraud system based on language identification of the present invention is as shown in Figure 2, on the basis of Fig. 1 is, also include remote back-office server, remote back-office server includes homomorphic cryptography data processing module and telephone fraud keywords database, also includes homomorphic cryptography data memory module in memory module.
Shown in Fig. 2, the anti-telephone fraud procedure of anti-telephone fraud system based on language identification is as follows:
Step1 system is set up: native system includes activate switch, main control module, voice acquisition module, memory module, remote communication module, telephone fraud keywords database, reminding module and remote back-office server as shown in Figure 2.
1, activate switch is used for starting system work, is set to mechanical key or touchscreen button；
2, main control module is for judging speech feature extraction, key word identification, swindle key word comparison and result, is integrated in inside telephone plant；
3, voice acquisition module is for when obtaining call voice in real time after system start-up, by shared telephone receiver as voice pick device；
4, memory module is used for storing pretreated voice, in case remote transmission uses, is integrated in inside telephone plant；
5, remote communication module is for the pretreated speech data of real-time Transmission after system start-up to remote back-office server, also receives the information such as recognition result data from the transmission of remote back-office server simultaneously；The wire networking function of landline telephone or the wireless Internet access technology of mobile phone is used to realize telecommunication；
6, reminding module is for providing the result prompting of whether telephone fraud, can be sound or vibration or screen shows or the combination of above three.
Step2 user, in receiving calls, will start telephone fraud identification system after triggering activate switch；
Step3 voice acquisition module will be obtained and the voice of user's communication person in real time by the receiver of telephone plant；
Speech data is processed by Step4 master controller, and will process after data preserve in the memory unit；
Step41 processing procedure is: the background noise in hardware filtering sound, then voice data is carried out homomorphic cryptography；
Data after encryption are stored in scratchpad area (SPA) by Step42, in case remote transmission；
Step5 calls remote communication module and the data after encryption is delivered to remote back-office server；
Step51 load mode can be cable-network transmission, it is also possible to be the communications such as conventional 3G, 4G, the 5G of mobile device；
Step52 remote back-office server is built operation by government department or special operator, is responsible for providing the Remote data processing request of user；
Step6 remote back-office server uses special processing routine to process the speech data after user's homomorphic cryptography received, and extracts and comparison telephone fraud key word information；Ensure that remote back-office can also complete the work of keyword extraction identification in the condition not being decrypted user data with this, preferably ensure that the personal secrets of user；
Processing routine special for Step61 is provided by trusted third party, and its effect is that the data after user's homomorphic cryptography are carried out keyword extraction comparison, and exports comparison result；It is important that this process is sightless to remote server, the cleartext information of handled speech data it is not aware that in other words at process information process remote server, the cipher-text information sent user only with this special disposal program processes, obtained by comparison result be also ciphertext, to remote back-office server and be also opaque；
Step62 remote back-office server uses dedicated processes program to mark comparison result, when comparison result scoring is more than the recognition threshold set, is identified as this call for telephone fraud；Otherwise, nonrecognition is swindle；
Final result of determination is sent to user with ciphertext form by Step63 remote back-office server；
After Step7 user receives the cipher-text information that remote back-office server sends, employing system built-in homomorphic encryption algorithm decruption key is decrypted acquisition recognition result to ciphertext；
Step8 is after being identified as telephone fraud, and by reminding module, prompting user is probably any swindle way；
Step81 prompting mode can be auditory tone cues, vibration, screen show or combination of two again or three's combination；
Step9 remote back-office fraud tactics keywords database is provided by government department or special businessman, and regular update, to ensure the last state of keywords database.
Step10 user is idle at telephone plant, and during the most non-call, triggering activate switch system will ask the user whether to update keywords database by voice or screen display mode, after user agrees to, automatically start telecommunications functions and updates current key dictionary.User can interrupt this process.
Claims (3)
1. an anti-telephone fraud method based on language identification, described method is cheated based on a kind of anti-phone based on language identification
Deceiving system, described system includes activate switch, main control module, voice acquisition module, memory module, remote communication module and carries
Show that module, described memory module include scratchpad area (SPA) and telephone fraud keywords database, described voice acquisition module, storage mould
Block, remote communication module, reminding module are connected with main control module respectively；Described activate switch is used for starting system work；Institute
State main control module for speech feature extraction, key word identification, swindle key word comparison and result are judged；Described voice
Acquisition module is for when obtaining call voice after system start-up in real time；Described memory module phonetic feature after storing process
And the key word identified, telephone fraud keywords database is also deposited in a storage module simultaneously；Described remote communication module is for remote
Cheng Gengxin telephone fraud keywords database and the data transmit-receive function when needing to upload in real time data；Described reminding module is used for
Provide the result prompting of whether telephone fraud, can be sound or vibration or screen shows or the combination of above three；Described
Telephone fraud keywords database is made up of the some key words extracted in common telephone swindle case, can dynamically add, by some
Key word combination is for judging the probability of telephone fraud；Also include remote back-office server, described remote back-office server bag
Include homomorphic cryptography data processing module and telephone fraud keywords database, described memory module also including, homomorphic cryptography data store
Module；
Described method, cannot be the completeest due to the reason such as cost or computing capability own when telephone plant based on homomorphic cryptography technology
When becoming to identify, on the premise of not revealing user's communication content, remotely identified telephone fraud key word by background service, specifically
Including procedure below:
Step one: set up based on language identification the anti-telephone fraud system described in claim 1；
Step 2: user, in receiving calls, will start telephone fraud identification system after triggering activate switch；
Step 3: voice acquisition module will be obtained and the voice of user's communication person in real time by the receiver of telephone plant；
Step 4: speech data is processed by master controller, and will process after data preserve in the memory unit；
Step 5: call remote communication module and the data after encryption are sent to remote back-office server；
Step 6: remote back-office server uses the special processing routine voice number after user's homomorphic cryptography to receiving
According to processing, extract and comparison telephone fraud key word information；Ensure that user data is not being solved by remote back-office with this
Close condition can also complete the work of keyword extraction identification, preferably ensure that the personal secrets of user；Described special
Processing routine is provided by trusted third party, for the data after user's homomorphic cryptography are carried out keyword extraction comparison and defeated
Go out comparison result；The cipher-text information using described special processing routine to send user processes, obtained comparison knot
Fruit is ciphertext, opaque to remote back-office server；Remote back-office server uses dedicated processes program to mark comparison result,
When comparison result scoring is more than the recognition threshold set, it is identified as this call for telephone fraud；Otherwise, nonrecognition is swindleness
Deceive；Final result of determination is sent to user with ciphertext form by remote back-office server；
Step 7: after user receives the cipher-text information that remote back-office server sends, uses the built-in homomorphic encryption algorithm of system
Decruption key is decrypted acquisition recognition result to ciphertext；
Step 8: after being identified as telephone fraud, by reminding module, prompting user is probably any swindle way；Prompting side
Formula can be auditory tone cues, vibration, screen show or combination of two again or three's combination；
Step 9: remote back-office fraud tactics keywords database is provided by government department or special businessman, and regular update, to protect
The last state of card keywords database；
Step 10: user is idle at telephone plant, during the most non-call, triggering activate switch system will be shown by voice or screen
Mode asks the user whether to update keywords database, after user agrees to, automatically starts telecommunications functions and updates current key word
Storehouse, user can interrupt this process.
A kind of anti-telephone fraud method based on language identification the most according to claim 1, it is characterised in that: in step 4
The process that speech data is processed by described master controller is: the background noise in hardware filtering sound, then to sound number
According to carrying out homomorphic cryptography；Data after encryption are stored in scratchpad area (SPA), in case remote transmission.
A kind of anti-telephone fraud method based on language identification the most according to claim 1, it is characterised in that: in step 5
The mode that described data transmit is cable-network transmission, or 3G, 4G, 5G communication that mobile device is conventional；Described
Remote back-office server is built operation by government department or special operator, it is provided that the Remote data processing request of user.
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| CN105100362A (en) * | 2014-05-20 | 2015-11-25 | 中兴通讯股份有限公司 | Fraud call identification method, fraud prevention method and call terminal |
| CN104184872A (en) * | 2014-09-14 | 2014-12-03 | 陈桂芳 | Crank call preventing mobile phone achieving method based on conversation content |
| US9432506B2 (en) * | 2014-12-23 | 2016-08-30 | Intel Corporation | Collaborative phone reputation system |
| JP6456737B2 (en) * | 2015-03-20 | 2019-01-23 | Kddi株式会社 | Fraud damage warning device and program |
| CN106161749B (en) * | 2015-04-13 | 2020-09-08 | 深圳市腾讯计算机系统有限公司 | Malicious telephone identification method and device |
| US9641680B1 (en) | 2015-04-21 | 2017-05-02 | Eric Wold | Cross-linking call metadata |
| CN105100363A (en) * | 2015-06-29 | 2015-11-25 | 小米科技有限责任公司 | Information processing method, information processing device and terminal |
| CN106373577A (en) * | 2016-08-18 | 2017-02-01 | 胡伟 | Personal voice system |
| CN106303058A (en) * | 2016-08-24 | 2017-01-04 | 成都中英锐达科技有限公司 | Anti-swindle audio recognition method and system |
| CN106878528A (en) * | 2017-01-23 | 2017-06-20 | 北京思特奇信息技术股份有限公司 | A kind of disturbance incoming call SMS interception method and system based on block chain technology |
| CN107094291B (en) * | 2017-03-04 | 2020-09-01 | 深圳市全智达科技有限公司 | System, method and terminal for preventing telecommunication fraud |
| CN107147813A (en) * | 2017-05-25 | 2017-09-08 | 广东工业大学 | The prevention method and device of a kind of telecommunication fraud |
| CN107563758A (en) * | 2017-07-18 | 2018-01-09 | 厦门快商通科技股份有限公司 | A kind of finance letter that solves examines the detection method and system that habitual offender swindles in business |
| CN107360576A (en) * | 2017-07-25 | 2017-11-17 | 上海思依暄机器人科技股份有限公司 | A kind of method and system for identifying fraud information, electronic equipment, server |
| CN107547527A (en) * | 2017-08-18 | 2018-01-05 | 上海二三四五金融科技有限公司 | A kind of voice quality inspection financial security control system and control method |
| CN111083277A (en) * | 2018-10-19 | 2020-04-28 | 成都鼎桥通信技术有限公司 | Information acquisition method and device in voice call |
| CN111447327A (en) * | 2020-03-16 | 2020-07-24 | 宇龙计算机通信科技(深圳)有限公司 | Fraud telephone identification method, device, storage medium and terminal |
| CN117132392B (en) * | 2023-10-23 | 2024-01-30 | 蓝色火焰科技成都有限公司 | Vehicle loan fraud risk early warning method and system |
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