WO2018001354A1 - 定位方法、装置及位置服务系统、存储介质 - Google Patents

定位方法、装置及位置服务系统、存储介质 Download PDF

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Publication number
WO2018001354A1
WO2018001354A1 PCT/CN2017/091066 CN2017091066W WO2018001354A1 WO 2018001354 A1 WO2018001354 A1 WO 2018001354A1 CN 2017091066 W CN2017091066 W CN 2017091066W WO 2018001354 A1 WO2018001354 A1 WO 2018001354A1
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Prior art keywords
voiceprint feature
information
feature information
location information
location
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PCT/CN2017/091066
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English (en)
French (fr)
Inventor
徐亮
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中兴通讯股份有限公司
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Publication of WO2018001354A1 publication Critical patent/WO2018001354A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02Services making use of location information
    • H04W4/029Location-based management or tracking services
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02Services making use of location information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W64/00Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • H04W64/006Locating users or terminals or network equipment for network management purposes, e.g. mobility management with additional information processing, e.g. for direction or speed determination

Definitions

  • the present invention relates to positioning technology, and in particular, to a positioning method, device, location service system, and storage medium.
  • the technical problem to be solved by the present invention is to provide a positioning method, a device, a location service system, and a storage medium, and solve the problem that the positioning technology cannot simultaneously satisfy the high-quality positioning service demand and low-cost investment.
  • an embodiment of the present invention provides a positioning method, including:
  • the step of acquiring the first location information corresponding to the first voiceprint feature information set according to the first voiceprint feature information set and the corresponding relationship between the pre-stored location information and the voiceprint feature information includes:
  • the step of acquiring the first location information corresponding to the first voiceprint feature information set according to the at least one second location information includes:
  • the second location information is one, the second location information is used as the first location information corresponding to the first voiceprint feature information set;
  • the plurality of second location information is multiple, determining whether the plurality of the second location information are in the same area, and if yes, using the location information of the area where the second location information is located as the first voiceprint First location information corresponding to the feature information, otherwise, selecting one location information among the plurality of the second location information as the first location information corresponding to the first voiceprint feature information; or
  • the second location information is multiple, one location information is directly selected from the plurality of the second location information as the first location information corresponding to the first voiceprint feature information.
  • the location request further carries information about an area where the terminal is located
  • the step of matching the first voiceprint feature information set with a pre-stored voiceprint feature information set to obtain at least one set of second voiceprint feature information sets matching the first voiceprint feature information set include:
  • Matching the first voiceprint feature information set with the candidate voiceprint feature information set to obtain at least one set of second voiceprint feature information sets that match the first voiceprint feature information set.
  • the method further includes: before the receiving, by the receiving terminal, the positioning request, where the positioning request carries the first sound information of the environment in which the terminal is located, the method further includes:
  • the third voiceprint feature information and the pre-stored sound corresponding to the third location information are stored after merging, otherwise, the third voicing feature information is stored correspondingly to the third location information.
  • the step of determining whether the third location information is valid location information includes:
  • the third voiceprint feature information and the pre-stored third location letter include:
  • the third voiceprint feature information set is combined with a previously stored voiceprint feature information set corresponding to the third location information, and then stored.
  • the method further includes:
  • the voiceprint feature information sets corresponding to the location information in the same area are integrated and stored together.
  • an embodiment of the present invention further provides a positioning apparatus, including:
  • a receiving module configured to receive a positioning request sent by the terminal, where the positioning request carries first voice information of an environment in which the terminal is located;
  • a pre-processing module configured to pre-process the first sound information to obtain a first voiceprint feature information set of the first sound information
  • the processing module is configured to acquire the first location information corresponding to the first voiceprint feature information set according to the first voiceprint feature information set and the corresponding relationship between the pre-stored location information and the voiceprint feature information set.
  • the device further comprises:
  • An acquisition module configured to periodically collect third sound information and third location information in an environment
  • the pre-processing module is further configured to perform pre-processing on the third sound information to obtain a third voiceprint feature information set of the third sound information;
  • the determining module is configured to determine whether the third location information is valid location information, and if the third location information is valid location information, determine the pre-stored voiceprint feature information set Whether there is voiceprint feature information corresponding to the third location information;
  • a storage module configured to: if the voiceprint feature information set stored in advance has voiceprint feature information corresponding to the third location information, the third voiceprint feature information and the pre-stored and the third location The voiceprint feature information set corresponding to the information is combined and stored, otherwise, the third voiceprint feature information is stored correspondingly to the third location information.
  • an embodiment of the present invention further provides a location service system, comprising: the positioning device according to any one of the preceding claims.
  • an embodiment of the present invention further provides a positioning apparatus, including:
  • the positioning method provided by the embodiment of the present invention is implemented when the processor is configured to execute the executable program stored in the memory.
  • an embodiment of the present invention further provides a storage medium, where an executable program is stored, and the executable program is implemented by the processor to implement the positioning method provided by the embodiment of the present invention.
  • the method uses the background sound pattern recognition to accurately locate, minimizes the cost, and improves the user experience, and can provide users with high-quality positioning services. It solves the problem that the existing positioning technology can not meet the high-quality positioning service demand and low-cost investment at the same time.
  • FIG. 1 is a flowchart of a positioning method according to an embodiment of the present invention
  • FIG. 2 is a flowchart of a positioning method according to an embodiment of the present invention.
  • FIG. 3 is a flowchart of a positioning method according to an embodiment of the present invention.
  • FIG. 4 is a flowchart of a positioning method according to an embodiment of the present invention.
  • 5-1 is a schematic structural diagram of a positioning device according to an embodiment of the present invention.
  • 5-2 is a schematic structural diagram of a positioning device according to an embodiment of the present invention.
  • 5-3 is a schematic structural diagram of a positioning device according to an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of a positioning device according to an embodiment of the present invention.
  • voiceprint recognition technology is relatively mature, it is mainly used in security fields such as identity recognition, and is not used to assist in obtaining location information.
  • the background sound of the environment has certain characteristics, so when the positioning technology can not get the exact position, the use of the background sound tone feature is a good auxiliary means. Moreover, in the current era of big data, massive computing and storage technologies are becoming more mature, and the technical bottleneck of voiceprint recognition applications no longer exists.
  • the positioning method of the embodiment of the present invention uses the background sound tone pattern recognition method to provide an accurate location service for the user with a minimum cost.
  • the positioning method of the embodiment of the present invention includes:
  • Step 101 Receive a positioning request sent by the terminal, where the positioning request carries first voice information of an environment in which the terminal is located.
  • the location request sent by the terminal carries the first voice information of the environment in which the terminal is located, that is, the background sound information.
  • Step 102 Perform pre-processing on the first sound information to obtain a first voiceprint feature information set of the first sound information.
  • the first voice information reported by the terminal is preprocessed to obtain the first voice message.
  • the first voiceprint feature information set corresponding to the information.
  • a set of voiceprint feature information sets includes one or more voiceprint feature values.
  • the pre-processing of the first sound information reported by the terminal needs to filter the first sound information, remove the noise, and then extract the first voiceprint feature value in the first sound information.
  • Step 103 Acquire first position information corresponding to the first voiceprint feature information set according to the first voiceprint feature information set and the corresponding relationship between the pre-stored location information and the voiceprint feature information set.
  • the corresponding relationship between the different location information and the voiceprint feature information set may be constructed according to the collected data, and then the corresponding first location information is obtained according to the first voiceprint feature information set of the environment in which the terminal is located, thereby achieving positioning.
  • the first location information corresponding to the first voiceprint feature information set obtained by the positioning may be returned to the terminal for use by the user.
  • the positioning method of the embodiment of the present invention uses the background sound pattern recognition method to accurately locate, minimizes the cost, and improves the user experience, and can provide the user with high-quality positioning service. It solves the problem that the existing positioning technology can not meet the high-quality positioning service demand and low-cost investment at the same time.
  • step 103 the steps of step 103 above include:
  • Step 1031 Match the first voiceprint feature information set with the pre-stored voiceprint feature information set to obtain at least one set of second voiceprint feature information sets that match the first voiceprint feature information set.
  • At least one set of second voiceprint feature information sets matching the first voiceprint feature information set of the ambient sound is first found.
  • the voiceprint feature value in the first voiceprint feature information is matched with the voiceprint feature value in the other voiceprint feature information, and if the matching percentage is greater than the preset threshold, determining the first voiceprint feature information set and the The set of voiceprint feature information is matched.
  • the preset threshold can be set according to actual needs, such as for relatively noisy areas such as shopping malls.
  • the preset threshold may be 50%, that is, if the matching percentage of the voiceprint feature values included in the two sets of voiceprint feature information sets is greater than 50%, the two sets of voiceprint feature information sets are considered to be matched; for relatively quiet areas such as offices
  • the preset threshold may be 90%, that is, the matching percentage of the voiceprint feature values included in the two sets of voiceprint feature information sets is above 90%, and the two sets of voiceprint feature information sets are considered to match.
  • Step 1032 Acquire at least one second location information corresponding to the at least one set of the second voiceprint feature information set according to the correspondence between the pre-stored location information and the voiceprint feature information set.
  • Step 1033 Acquire first location information corresponding to the first voiceprint feature information set according to the at least one second location information.
  • the first location information corresponding to the first voiceprint feature information set is determined.
  • the specific determination method is as follows:
  • the above step 1033 includes the following situations:
  • the second location information is used as the first location information corresponding to the last first voiceprint feature information set.
  • Case 2 if the second location information is plural, determining whether the plurality of the second location information are in the same area, and if yes, using the location information of the area in which the second location information is located as the First location information corresponding to the first voiceprint feature information. Otherwise, one location information is selected as the first location information corresponding to the first voiceprint feature information.
  • the location information of the area where the plurality of second location information is located is used as the first corresponding to the first voiceprint feature information set.
  • a location information. Where the location of the plurality of second location information is located The information can be location information of the center point of the area.
  • An optimal location information is selected as the first location information corresponding to the last located first voiceprint feature information set.
  • the location information that the terminal user has recently located may be referred to, and the sound corresponding to each second location information may also be referred to.
  • the percentage of matching between the texture feature information set and the first voiceprint feature information set may also be selected from the plurality of second location information by other means, and will not be explained again.
  • the positioning request further carries information about an area where the terminal is located; the steps of the foregoing step 1031 include:
  • Step 10311 Filter out, according to the information of the area where the terminal is located, the to-be-selected voiceprint feature information set in the same area as the terminal in the preset voiceprint feature information set;
  • Step 10312 Match the first voiceprint feature information set with the candidate voiceprint feature information set, and obtain at least one set of second voiceprint feature information sets that match the first voiceprint feature information set. .
  • the voiceprint feature information set in the pre-stored manner is selected to select the to-be-selected voiceprint feature information set in the same area as the terminal;
  • the first voiceprint feature information set and the candidate sound of the environment in which the terminal is located The pattern feature information is matched to obtain at least one set of second voiceprint feature information sets.
  • the method further includes:
  • Step 1001 periodically collecting third sound information and third position information in an environment.
  • the voice information and the location information of the location where the user is located may be periodically used.
  • Step 1002 Perform pre-processing on the third sound information to obtain a third voiceprint feature information set of the third sound information.
  • the collected third sound information is first preprocessed to obtain a third voiceprint feature information set corresponding to the third sound information.
  • the three sound information needs to be filtered to remove the noise, and then the three voice pattern feature values in the three sound information are extracted.
  • Step 1003 Determine whether the third location information is valid location information. If the third location information is valid location information, determine whether the preset voiceprint feature information set has the third location information. Corresponding voiceprint feature information.
  • the collected location information is valid location information, and the next location is determined for the valid location information.
  • Step 1004 If the voiceprint feature information set in advance has the voiceprint feature information corresponding to the third location information, the third voiceprint feature information is compared with the previously stored third location information. The corresponding voiceprint feature information sets are combined and stored. Otherwise, the third voiceprint feature information is stored corresponding to the third location information.
  • the voiceprint feature information corresponding to the collected location information is stored in advance, the voiceprint feature information corresponding to the collected location information is combined with the previously stored voiceprint feature information, and if not, the voiceprint feature information is collected.
  • the voiceprint information is stored corresponding to the location information.
  • the storage resources of the location information and the voiceprint feature information set are continuously enriched, which provides an effective guarantee for the subsequent location service.
  • the step of determining whether the third location information is valid location information includes:
  • multiple sets of data may be collected for a certain location in a certain period of time. If the newly collected location information has a large deviation from the previously collected location information, the location information is discarded to ensure the data. Accuracy and rationality.
  • the step of combining the third voiceprint feature information with the previously stored voiceprint feature information set corresponding to the third location information includes:
  • the third voiceprint feature information set is combined with a previously stored voiceprint feature information set corresponding to the third location information, and then stored.
  • the voiceprint feature information set corresponding to the collected third location information is stored in advance, it is determined whether the stored voiceprint feature information exceeds a preset aging time, and when the determination result is yes, the aging sound is exceeded.
  • the pattern feature information is cleared. Thereby ensuring the validity and accuracy of the stored information, and avoiding the interference of the outdated inaccurate information on the positioning result.
  • the method further includes:
  • Step 1005 Integrate the voiceprint feature information corresponding to the location information in the same area and store them together.
  • the voiceprint feature information sets of similar position information are integrated and stored together, which increases the rationality and cleanliness of the information storage, and the subsequent search and use of the voiceprint feature information set.
  • the positioning method in the embodiment of the present invention can be divided into two phases, the first phase is the information collecting and storing phase, and the second phase is the query phase of the positioning information.
  • the positioning method of the embodiment of the present invention periodically collects sound information and position information of the environment in which the user is located, and preprocesses the collected sound information to obtain a corresponding voiceprint feature information set; and then removes the invalid position.
  • Information for valid location information, determining whether there is a corresponding voiceprint feature information set in the pre-stored voiceprint feature information set, and if so, removing the voiceprint feature information corresponding to the collected position information after removing the time-sensitive voiceprint feature information
  • the feature information set is stored with the pre-stored voiceprint feature information set, and if not, the collected location information and the voiceprint feature information set are directly stored in a corresponding relationship.
  • the voiceprint feature information corresponding to the location information in the same area may be integrated and stored together, and the subsequent search is performed.
  • the positioning method of the embodiment of the present invention receives the positioning request sent by the user, and the positioning request carries the sound information of the environment; preprocesses the sound information in the positioning request to obtain the corresponding voiceprint feature information set. If the location request further carries the information of the area where the terminal is located, the to-be-selected voiceprint feature information set in the same area as the terminal is filtered out according to the information of the area where the terminal is located, and Matching the voiceprint feature information set of the positioning request with the selected voiceprint feature information set; if the location request does not carry the location information of the area where the terminal is located, directly positioning the requested voiceprint feature information set and the stored voiceprint feature The information set is matched; if the matching obtains a set of voiceprint feature information sets and a corresponding position information, the position information obtained by the matching is used as the last positioned position information; if the matching obtains a plurality of sets of voiceprint feature information sets and corresponding Multiple location information, where multiple location information is located The location information is used as
  • the order of execution of the first stage and the second stage is not limited in the present invention.
  • the first stage is performed, and after the corresponding relationship between the position information and the voiceprint feature information set is obtained, the second stage is performed for positioning. It is also possible to continue the first phase after entering the second phase in order to continuously improve the stored data.
  • the positioning method of the embodiment of the present invention guides the user to continuously improve the correspondence between the location information and the voiceprint feature information set during use, and when the stored location information and voiceprint feature information reach a certain level, Achieve accurate location services in a cost-effective manner.
  • the method analyzes from the cost point of view, minimizes the cost, and improves the user experience. It is a virtuous circle that drives the development of the positioning platform business. It can provide location-based information for all types of users after the positioning platform matures. A personalized application service. It solves the problem that the existing positioning technology can not meet the high-quality positioning service demand and low-cost investment at the same time.
  • an embodiment of the present invention further provides a positioning apparatus 200, including:
  • the receiving module 201 is configured to receive a positioning request sent by the terminal, where the positioning request carries the first voice information of the environment in which the terminal is located;
  • the pre-processing module 202 is configured to pre-process the first sound information to obtain a first voiceprint feature information set of the first sound information;
  • the processing module 203 is configured to acquire the first location information corresponding to the first voiceprint feature information set according to the first voiceprint feature information set and the corresponding relationship between the pre-stored location information and the voiceprint feature information set.
  • the positioning device of the embodiment of the invention adopts the background sound voice pattern recognition method to accurately locate, realizes the minimization of the cost, and at the same time improves the user experience, and can provide the user with high-quality positioning service. Solved the problem that the existing positioning technology can not meet the high quality positioning service at the same time Seeking the issue of low-cost investment.
  • the processing module 203 includes:
  • a matching unit configured to match the first voiceprint feature information set with the pre-stored voiceprint feature information set to obtain at least one set of second voiceprint feature information that matches the first voiceprint feature information set set;
  • the first obtaining unit is configured to connect the matching unit, and configured to acquire at least one second position corresponding to the at least one set of the second voiceprint feature information set according to the correspondence between the pre-stored location information and the voiceprint feature information set information;
  • the second acquiring unit is configured to connect the first acquiring unit, and configured to acquire first location information corresponding to the first voiceprint feature information set according to the at least one second location information.
  • the second obtaining unit is configured to:
  • the second location information is one, the second location information is used as the first location information corresponding to the first voiceprint feature information set;
  • the plurality of second location information is multiple, determining whether the plurality of the second location information are in the same area, and if yes, using the location information of the area where the second location information is located as the first voiceprint First location information corresponding to the feature information, otherwise, selecting one location information among the plurality of the second location information as the first location information corresponding to the first voiceprint feature information; or
  • the second location information is multiple, one location information is directly selected from the plurality of the second location information as the first location information corresponding to the first voiceprint feature information.
  • the positioning request further carries information about an area where the terminal is located;
  • the matching unit includes:
  • the screening sub-unit is configured to: according to the information of the area where the terminal is located, select, in the pre-stored voiceprint feature information set, the to-be-selected voiceprint feature information set in the same area as the terminal;
  • Matching subunits connecting the screening subunits, configured to set the first voiceprint feature information
  • the set is matched with the to-be-selected voiceprint feature information set to obtain at least one set of second voiceprint feature information sets that match the first voiceprint feature information set.
  • the device further includes:
  • the collecting module 204 is configured to periodically collect third sound information and third position information in an environment
  • the pre-processing module 202 is further configured to: perform pre-processing on the third sound information to obtain a third voiceprint feature information set of the third sound information;
  • the determining module 205 is configured to determine whether the third location information is valid location information, and if the third location information is valid location information, determine whether the preset voiceprint feature information set has the third location Voiceprint feature information corresponding to the location information;
  • the storage module 206 is configured to: if the voiceprint feature information set stored in advance has voiceprint feature information corresponding to the third location information, the third voiceprint feature information is stored in advance with the third The voiceprint feature information set corresponding to the location information is combined and stored. Otherwise, the third voiceprint feature information is stored corresponding to the third location information.
  • the determining module 205 includes:
  • the first determining unit is configured to determine whether the deviation between the third location information and the previously collected location information of the same environment exceeds a preset range, and if yes, determine that the third location information is invalid location information, Otherwise, the third location information is determined to be valid location information.
  • the storage module 206 includes:
  • a second determining unit configured to determine, in advance, the voiceprint feature information set corresponding to the third location information, whether there is voiceprint feature information whose storage time exceeds a preset time limit;
  • the first storage unit configured to determine that the second determination unit is a result, deletes the voiceprint feature information whose storage time exceeds the preset aging time in the voiceprint feature information set corresponding to the third location information stored in advance And combining the remaining voiceprint feature information with the third voiceprint feature information set and storing;
  • a second storage unit configured to merge the third voiceprint feature information set with a pre-stored voiceprint feature information set corresponding to the third location information when the determination result of the second determination unit is not After storage.
  • the device further includes:
  • the integration unit 207 is configured to integrate the voiceprint feature information corresponding to the location information in the same area and store them together.
  • the positioning device of the embodiment of the invention guides the user to continuously improve the correspondence between the location information and the voiceprint feature information set during the use process, and when the stored location information and the voiceprint feature information reach a certain level, Achieve accurate location services in a cost-effective manner.
  • the method analyzes from the cost point of view, minimizes the cost, and improves the user experience. It is a virtuous circle that drives the development of the positioning platform business. It can provide location-based information for all types of users after the positioning platform matures. A personalized application service. It solves the problem that the existing positioning technology can not meet the high-quality positioning service demand and low-cost investment at the same time.
  • the positioning device is a device corresponding to the positioning method described above, and all the implementation manners in the foregoing method embodiments are applicable to the embodiment of the device, and the same technical effects can be achieved.
  • the positioning device of the embodiment of the present invention is applied to the location service system. Therefore, the embodiment of the present invention further provides a location service system, including: the positioning device as described in the foregoing embodiment.
  • the implementation examples of the positioning device are applicable to the embodiment of the location service system, and the same technical effects can be achieved.
  • FIG. 6 is a schematic structural diagram of a positioning apparatus 300 according to another embodiment of the present invention.
  • the positioning apparatus 300 may be a mobile phone, a computer, a digital broadcasting terminal, an information transceiver device, a game console, a tablet device, a medical device, a fitness device, and a personal number. Assistant, etc.
  • the positioning device 300 shown in FIG. 6 includes: at least one processor 301, a memory 302, at least one network interface 304, and User interface 303.
  • the various components in positioning device 300 are coupled together by a bus system 305. It will be appreciated that the bus system 305 is used to implement connection communication between these components.
  • the bus system 305 includes a power bus, a control bus, and a status signal bus in addition to the data bus. However, for clarity of description, various buses are labeled as bus system 305 in FIG.
  • the user interface 303 may include a display, a keyboard, a mouse, a trackball, a click wheel, a button, a button, a touch panel, or a touch screen.
  • memory 302 can be either volatile memory or non-volatile memory, and can include both volatile and nonvolatile memory.
  • the non-volatile memory may be a Read Only Memory (ROM), a Programmable Read-Only Memory (PROM), or an Erasable Programmable Read (EPROM). Only Memory), Electrically Erasable Programmable Read-Only Memory (EEPROM), Ferromagnetic Random Access Memory (FRAM), Flash Memory, Magnetic Surface Memory , CD-ROM, or Compact Disc Read-Only Memory (CD-ROM); the magnetic surface memory can be a disk storage or a tape storage.
  • the volatile memory can be a random access memory (RAM) that acts as an external cache.
  • RAM Static Random Access Memory
  • SSRAM Synchronous Static Random Access Memory
  • SSRAM Dynamic Random Access
  • DRAM Dynamic Random Access Memory
  • SDRAM Synchronous Dynamic Random Access Memory
  • DDRSDRAM Double Data Rate Synchronous Dynamic Random Access Memory
  • ESDRAM enhancement Synchronous Dynamic Random Access Memory
  • SLDRAM synchronously connected dynamic random access memory
  • DRRAM Direct RAM Bus Random Access Memory
  • the memory 302 in the embodiment of the present invention is used to store various types of data to support the operation of the positioning apparatus 300.
  • Examples of such data include any computer program for operating on location device 300, such as operating system 3021 and application 3022; contact data; phone book data; messages; pictures;
  • the operating system 3021 includes various system programs, such as a framework layer, a core library layer, a driver layer, and the like, for implementing various basic services and processing hardware-based tasks.
  • the application 3022 can include various applications, such as a Media Player, a Browser, etc., for implementing various application services.
  • a program implementing the method of the embodiment of the present invention may be included in the application 3022.
  • Processor 301 may be an integrated circuit chip with signal processing capabilities. In the implementation process, each step of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 301 or an instruction in a form of software.
  • the processor 301 described above may be a general purpose processor, a digital signal processor (DSP), or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, or the like.
  • DSP digital signal processor
  • the processor 301 can implement or perform the various methods, steps, and logic blocks disclosed in the embodiments of the present invention.
  • a general purpose processor can be a microprocessor or any conventional processor or the like.
  • the steps of the method disclosed in the embodiment of the present invention may be directly implemented as a hardware decoding processor, or may be performed by a combination of hardware and software modules in the decoding processor.
  • the software module can reside in a storage medium located in memory 302, which reads the information in memory 302 and, in conjunction with its hardware, performs the steps of the foregoing method.
  • the positioning device 300 may be configured by one or more Application Specific Integrated Circuits (ASICs), DSPs, and programmable logic devices.
  • ASICs Application Specific Integrated Circuits
  • DSPs digital signal processors
  • programmable logic devices PLD, Programmable Logic Device
  • CPLD Complex Programmable Logic Device
  • FPGA Field-Programmable Gate Array
  • controller controller
  • microcontroller MCU, Micro Controller Unit
  • microprocessor Microprocessor
  • Embodiments of the present invention also provide a storage medium, such as a memory 302 including an executable program that can be executed by the processor 301 of the positioning device 300 to perform the steps described in the foregoing methods.
  • the storage medium may be a memory such as FRAM, ROM, PROM, EPROM, EEPROM, Flash Memory, magnetic surface memory, optical disk, or CD-ROM; or may be various devices including one or any combination of the above memories, such as a mobile phone, Computers, tablet devices, personal digital assistants, etc.
  • the storage medium to which the embodiment of the present invention is stored stores an executable program, such as a system program, a driver, and an intermediate code.
  • the executable program is implemented by the processor to implement the following operations for positioning:
  • the second location information is one, the second location information is used as the first location information corresponding to the first voiceprint feature information set;
  • the plurality of second location information is multiple, determining whether the plurality of the second location information are in the same area, and if yes, using the location information of the area where the second location information is located as the first voiceprint The first location information corresponding to the feature information, and the location information is selected as the first location information corresponding to the first voiceprint feature information;
  • the second location information is multiple, one location information is selected from the plurality of the second location information as the first location information corresponding to the first voiceprint feature information.
  • Matching the first voiceprint feature information set with the candidate voiceprint feature information set to obtain at least one set of second voiceprint feature information sets that match the first voiceprint feature information set.
  • the method further includes: before the receiving, by the receiving terminal, the positioning request, where the positioning request carries the first sound information of the environment in which the terminal is located, the method further includes:
  • the third voiceprint feature information and the pre-stored sound corresponding to the third location information are stored after merging, otherwise, the third voicing feature information is stored correspondingly to the third location information.
  • the third voiceprint feature information set is combined with a previously stored voiceprint feature information set corresponding to the third location information, and then stored.
  • the voiceprint feature information set corresponding to the location information in the same area is integrated and stored.
  • the embodiments of the present invention provide a positioning method, a device, a location service system, and a storage medium, which solve the problem that the positioning technology cannot meet the requirements of high-quality positioning service and low-cost investment at the same time.
  • the method includes: receiving a positioning request sent by a terminal, where the positioning request carries first sound information of an environment in which the terminal is located; preprocessing the first sound information to obtain a first sound information And acquiring a first location information corresponding to the first voiceprint feature information set according to the correspondence between the first voiceprint feature information set and the pre-stored location information and the voiceprint feature information set.
  • the solution of the invention adopts the background sound voiceprint recognition method to accurately locate, realizes the minimization of the cost, and at the same time improves the user experience, and can provide the user with high-quality positioning service.

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Abstract

本发明实施例提供了一种定位方法、装置及位置服务系统、存储介质,方法包括:接收终端发送的定位请求,所述定位请求中携带有所述终端所处环境的第一声音信息;对所述第一声音信息进行预处理,获得所述第一声音信息的第一声纹特征信息集;根据所述第一声纹特征信息集以及预先存储的位置信息与声纹特征信息集的对应关系,获取所述第一声纹特征信息集对应的第一位置信息。

Description

定位方法、装置及位置服务系统、存储介质
相关申请的交叉引用
本申请基于申请号为201610510878.9、申请日为2016年6月30日的中国专利申请提出,并要求该中国专利申请的优先权,该中国专利申请的内容在此引入本申请作为参考。
技术领域
本发明涉及定位技术,特别涉及一种定位方法、装置及位置服务系统、存储介质。
背景技术
谈到位置服务,目前业界比较主流的技术是采用基站信息、全球定位系统(GPS,Global Positioning System)信息或者所处环境的无线特征值、街景等辅助手段。鉴于当前环境的复杂性,采用基站信息、GPS信息、无线特征值等定位方法已经不能很好的满足定位服务的需要。而其它新兴的定位技术,如无线相容性认证(WiFi)定位、蓝牙定位都需要新增设备的投入支持,在实际应用中有一定难度。
发明内容
本发明要解决的技术问题是提供一种定位方法、装置及位置服务系统、存储介质,解决定位技术不能同时满足高品质的定位服务需求与低成本投入的问题。
为解决上述技术问题,本发明的实施例提供一种定位方法,包括:
接收终端发送的定位请求,所述定位请求中携带有所述终端所处环境 的第一声音信息;
对所述第一声音信息进行预处理,获得所述第一声音信息的第一声纹特征信息集;
根据所述第一声纹特征信息集以及预先存储的位置信息与声纹特征信息集的对应关系,获取所述第一声纹特征信息集对应的第一位置信息。
其中,所述根据所述第一声纹特征信息集以及预先存储的位置信息与声纹特征信息的对应关系,获取所述第一声纹特征信息集对应的第一位置信息的步骤包括:
将所述第一声纹特征信息集与预先存储的声纹特征信息集进行匹配,获得与所述第一声纹特征信息集相匹配的至少一组第二声纹特征信息集;
根据预先存储的位置信息与声纹特征信息集的对应关系,获取至少一组所述第二声纹特征信息集所对应的至少一个第二位置信息;
根据至少一个所述第二位置信息,获取所述第一声纹特征信息集对应的第一位置信息。
其中,所述根据至少一个所述第二位置信息,获取所述第一声纹特征信息集对应的第一位置信息的步骤包括:
若所述第二位置信息为一个,则将所述第二位置信息作为所述第一声纹特征信息集对应的第一位置信息;
若所述第二位置信息为多个,判断多个所述第二位置信息是否处于同一区域,若是,则将多个所述第二位置信息所处区域的位置信息作为所述第一声纹特征信息对应的第一位置信息,否则,在多个所述第二位置信息中选取一个位置信息作为所述第一声纹特征信息对应的第一位置信息;或者
若所述第二位置信息为多个,则直接在多个所述第二位置信息中选取一个位置信息作为所述第一声纹特征信息对应的第一位置信息。
其中,所述定位请求中还携带有所述终端所处区域的信息;
所述将所述第一声纹特征信息集与预先存储的声纹特征信息集进行匹配,获得与所述第一声纹特征信息集相匹配的至少一组第二声纹特征信息集的步骤包括:
根据所述终端所处区域的信息,在预先存储的声纹特征信息集中筛选出与所述终端处于同一区域的待选声纹特征信息集;
将所述第一声纹特征信息集与所述待选声纹特征信息集进行匹配,获得与所述第一声纹特征信息集相匹配的至少一组第二声纹特征信息集。
其中,所述接收终端发送的定位请求,所述定位请求中携带有所述终端所处环境的第一声音信息之前,所述方法还包括:
定时采集一环境中的第三声音信息和第三位置信息;
对所述第三声音信息进行预处理,获得所述第三声音信息的第三声纹特征信息集;
判断所述第三位置信息是否为有效的位置信息,若所述第三位置信息为有效的位置信息,则判断预先存储的声纹特征信息集中是否具有与所述第三位置信息相对应的声纹特征信息;
若预先存储的声纹特征信息集中具有与所述第三位置信息相对应的声纹特征信息,则将所述第三声纹特征信息与预先存储的与所述第三位置信息相对应的声纹特征信息集进行合并后存储,否则,将所述第三声纹特征信息与所述第三位置信息进行对应存储。
其中,所述判断所述第三位置信息是否为有效的位置信息的步骤包括:
判断所述第三位置信息与之前采集的同一环境的位置信息之间的偏差是否超过预设范围,若超过,则确定所述第三位置信息为无效的位置信息,否则,确定所述第三位置信息为有效的位置信息。
其中,所述将所述第三声纹特征信息与预先存储的与所述第三位置信 息相对应的声纹特征信息集进行合并后存储的步骤包括:
判断预先存储的与所述第三位置信息相对应的声纹特征信息集中,是否具有存储时间超过预设时效的声纹特征信息;
若有,则在预先存储的与所述第三位置信息相对应的声纹特征信息集中,删除存储时间超过预设时效的声纹特征信息,并将剩余的声纹特征信息与所述第三声纹特征信息集进行合并后存储;
若没有,则将所述第三声纹特征信息集与预先存储的与所述第三位置信息相对应的声纹特征信息集进行合并后存储。
其中,所述方法还包括:
将处于同一区域的位置信息所对应的声纹特征信息集整合到一起存储。
为解决上述技术问题,本发明的实施例还提供一种定位装置,包括:
接收模块,配置为接收终端发送的定位请求,所述定位请求中携带有所述终端所处环境的第一声音信息;
预处理模块,配置为对所述第一声音信息进行预处理,获得所述第一声音信息的第一声纹特征信息集;
处理模块,配置为根据所述第一声纹特征信息集以及预先存储的位置信息与声纹特征信息集的对应关系,获取所述第一声纹特征信息集对应的第一位置信息。
其中,所述装置还包括:
采集模块,配置为定时采集一环境中的第三声音信息和第三位置信息;
所述预处理模块还配置为,对所述第三声音信息进行预处理,获得所述第三声音信息的第三声纹特征信息集;
判断模块,配置为判断所述第三位置信息是否为有效的位置信息,若所述第三位置信息为有效的位置信息,则判断预先存储的声纹特征信息集 中是否具有与所述第三位置信息相对应的声纹特征信息;
存储模块,配置为若预先存储的声纹特征信息集中具有与所述第三位置信息相对应的声纹特征信息,则将所述第三声纹特征信息与预先存储的与所述第三位置信息相对应的声纹特征信息集进行合并后存储,否则,将所述第三声纹特征信息与所述第三位置信息进行对应存储。
为解决上述技术问题,本发明的实施例还提供一种位置服务系统,包括:如上任一项所述的定位装置。
为解决上述技术问题,本发明的实施例还提供一种定位装置,包括:
存储器,用于可执行程序;
处理器,用于执行所述存储器中存储的可执行程序时,实现本发明的实施例提供的定位方法。
为解决上述技术问题,本发明的实施例还提供一种存储介质,存储有可执行程序,所述可执行程序被处理器执行时实现本发明实施例提供的定位方法。
本发明实施例的上述技术方案的有益效果如下:
接收终端发送的定位请求,定位请求中携带有终端所处环境的第一声音信息;对第一声音信息进行预处理,获得第一声音信息的第一声纹特征信息集;最后根据第一声纹特征信息集以及预先存储的位置信息与声纹特征信息集的对应关系,获取第一声纹特征信息集对应的第一位置信息。该方法采用背景音声纹识别的方式进行准确定位,实现了成本最小化,同时在用户体验方面得到了提升,能够为用户提供高品质的定位服务。解决了现有定位技术不能同时满足高品质的定位服务需求与低成本投入的问题。
附图说明
图1为本发明实施例定位方法流程图;
图2为本发明实施例定位方法流程图;
图3为本发明实施例定位方法流程图;
图4为本发明实施例定位方法流程图;
图5-1为本发明实施例定位装置的结构示意图;
图5-2为本发明实施例定位装置的结构示意图;
图5-3为本发明实施例定位装置的结构示意图;
图6为本发明实施例的定位装置的结构示意图。
具体实施方式
为使本发明要解决的技术问题、技术方案和优点更加清楚,下面将结合附图及具体实施例进行详细描述。
目前声纹识别技术虽然已经比较成熟,但主要应用于身份识别等安全领域,未应用于辅助获取位置信息。
环境的背景音是有一定特征的,所以在定位技术无法获取到准确位置的时候,使用背景音的声纹特征是一种很好的辅助手段。而且在目前大数据时代,海量计算和存储技术日趋成熟,声纹识别应用的技术瓶颈也不再存在。
本发明实施例的定位方法,采用背景音声纹识别的方式,以最小化的成本,为用户提供了准确的位置服务。
如图1所示,本发明实施例的定位方法,包括:
步骤101,接收终端发送的定位请求,所述定位请求中携带有所述终端所处环境的第一声音信息。
这里,终端发送的定位请求中携带有终端所处环境的第一声音信息,即背景音信息。
步骤102,对所述第一声音信息进行预处理,获得所述第一声音信息的第一声纹特征信息集。
这里,首先对终端上报的第一声音信息进行预处理,获得第一声音信 息对应的第一声纹特征信息集。一组声纹特征信息集中包括一个或多个声纹特征值。
其中,对终端上报的第一声音信息进行预处理时,需要对第一声音信息进行过滤,去除噪音,然后再提取第一声音信息中的第一声纹特征值。
步骤103,根据所述第一声纹特征信息集以及预先存储的位置信息与声纹特征信息集的对应关系,获取所述第一声纹特征信息集对应的第一位置信息。
这里,可预先根据采集到的数据构建不同位置信息与声纹特征信息集的对应关系,然后根据终端所处环境的第一声纹特征信息集获取对应的第一位置信息,从而实现定位。
步骤103之后,可将定位得到的第一声纹特征信息集对应的第一位置信息返回给终端,供用户使用。
本发明实施例的定位方法,采用背景音声纹识别的方式进行准确定位,实现了成本最小化,同时在用户体验方面得到了提升,能够为用户提供高品质的定位服务。解决了现有定位技术不能同时满足高品质的定位服务需求与低成本投入的问题。
优选的,如图2所示,上述步骤103的步骤包括:
步骤1031,将所述第一声纹特征信息集与预先存储的声纹特征信息集进行匹配,获得与所述第一声纹特征信息集相匹配的至少一组第二声纹特征信息集。
这里,首先找到与环境声音的第一声纹特征信息集匹相配的至少一组第二声纹特征信息集。其中,可将第一声纹特征信息集中的声纹特征值与其他声纹特征信息集中的声纹特征值进行匹配,若匹配百分比大于预设阈值,则确定第一声纹特征信息集与该组声纹特征信息集相匹配。
预设阈值可根据实际需求进行设定,如对于商场等相对吵闹的区域, 预设阈值可为50%,即若两组声纹特征信息集包含的声纹特征值的匹配百分比大于50%,就认为这两组声纹特征信息集相匹配;对于办公室等相对安静的区域,预设阈值可为90%,即两组声纹特征信息集包含的声纹特征值的匹配百分比在90%以上,才认为这两组声纹特征信息集相匹配。
步骤1032,根据预先存储的位置信息与声纹特征信息集的对应关系,获取至少一组所述第二声纹特征信息集所对应的至少一个第二位置信息。
这里,找到与第一声纹特征信息集相匹配的信息集后,需要进一步确定所对应的位置信息。
步骤1033,根据至少一个所述第二位置信息,获取所述第一声纹特征信息集对应的第一位置信息。
这里,在第二声纹特征信息集对应的第二位置信息中,确定第一声纹特征信息集对应的第一位置信息。具体确定方法如下:
优选的,上述步骤1033包括如下几种情况:
情况1),若所述第二位置信息为一个,则将所述第二位置信息作为所述第一声纹特征信息集对应的第一位置信息。
这里,若只匹配到一个第二位置信息,则将该第二位置信息作为最后定位到的第一声纹特征信息集对应的第一位置信息。
情况2),若所述第二位置信息为多个,判断多个所述第二位置信息是否处于同一区域,若是,则将多个所述第二位置信息所处区域的位置信息作为所述第一声纹特征信息对应的第一位置信息,否则,在多个所述第二位置信息中选取一个位置信息作为所述第一声纹特征信息对应的第一位置信息。
这里,如果匹配到多个第二位置信息,且这些位置信息处于同一区域,则将多个第二位置信息所处区域的位置信息,作为最后定位到的第一声纹特征信息集对应的第一位置信息。其中多个第二位置信息所处区域的位置 信息如可为所处区域中心点的位置信息。
如果匹配到多个第二位置信息,而这些位置信息没有处于同一区域内,则有可能出现了定位偏差,这些位置信息中可能有不准确的位置信息,因此需要在多个第二位置信息中选取一个最优的位置信息作为最后定位到的第一声纹特征信息集对应的第一位置信息。
情况3),若所述第二位置信息为多个,则直接在多个所述第二位置信息中选取一个位置信息作为所述第一声纹特征信息对应的第一位置信息。
这里,与上述情况2)的处理方式不同,如果匹配到多个第二位置信息,不考虑这些位置信息是否处于同一区域,直接选取一个最优的位置信息作为最后定位到的第一声纹特征信息集对应的第一位置信息。
其中,上述情况2)与情况3)中,在多个第二位置信息中选取一个位置信息时,可参考终端用户最近一次定位到的位置信息,也可参考每个第二位置信息对应的声纹特征信息集与第一声纹特征信息集的匹配百分比。当然,也可通过其他方式在多个第二位置信息中选取一个位置信息,再次不一一说明。
优选的,如图3所示,所述定位请求中还携带有所述终端所处区域的信息;上述步骤1031的步骤包括:
步骤10311,根据所述终端所处区域的信息,在预先存储的声纹特征信息集中筛选出与所述终端处于同一区域的待选声纹特征信息集;
步骤10312,将所述第一声纹特征信息集与所述待选声纹特征信息集进行匹配,获得与所述第一声纹特征信息集相匹配的至少一组第二声纹特征信息集。
此时,如果终端上报的定位请求中携带有终端所处区域的信息,则首先在预先存储的声纹特征信息集中进行筛选,选出与终端处于同一区域的待选声纹特征信息集;再将终端所处环境的第一声纹特征信息集与待选声 纹特征信息集进行匹配,获得至少一组第二声纹特征信息集。从而加快了匹配的速率,提高了匹配准确性,特别是在存储有大量声纹特征信息集的情况下,能有效提升用户体验。
为了实现定位,如图4所示,上述步骤101之前,所述方法还包括:
步骤1001,定时采集一环境中的第三声音信息和第三位置信息。
这里,可基于用户信任为前提,定时采用用户所处地点的声音信息和位置信息。
步骤1002,对所述第三声音信息进行预处理,获得所述第三声音信息的第三声纹特征信息集。
这里,首先对采集的第三声音信息进行预处理,获得第三声音信息对应的第三声纹特征信息集。
其中,对采集的第三声音信息进行预处理时,需要对三声音信息进行过滤,去除噪音,然后再提取三声音信息中的三声纹特征值。
步骤1003,判断所述第三位置信息是否为有效的位置信息,若所述第三位置信息为有效的位置信息,则判断预先存储的声纹特征信息集中是否具有与所述第三位置信息相对应的声纹特征信息。
这里,首先判断采集到的位置信息是否为有效的位置信息,对有效的位置信息,才进行下一步判断。
步骤1004,若预先存储的声纹特征信息集中具有与所述第三位置信息相对应的声纹特征信息,则将所述第三声纹特征信息与预先存储的与所述第三位置信息相对应的声纹特征信息集进行合并后存储,否则,将所述第三声纹特征信息与所述第三位置信息进行对应存储。
这里,如果预先存储有与采集到的位置信息对应的声纹特征信息,则将采集到位置信息对应的声纹特征信息与预先存储的声纹特征信息进行合并后存储;如果没有,则将采集的声纹信息与位置信息进行对应存储。
此时,通过采集不同位置信息及对应的声音信息,不断丰富位置信息与声纹特征信息集的存储资源,为之后的定位服务提供了有效保障。
优选的,上述步骤1003中,所述判断所述第三位置信息是否为有效的位置信息的步骤包括:
判断所述第三位置信息与之前采集的同一环境的位置信息之间的偏差是否超过预设范围,若超过,则确定所述第三位置信息为无效的位置信息,否则,确定所述第三位置信息为有效的位置信息。
这里,在某一段时间内对某一位置可能采集了多组数据,如果新采集到的位置信息与之前采集到的位置信息相比出现了较大偏差,则舍弃该位置信息,以保证数据的准确性和合理性。
优选的,上述步骤1004中,所述将所述第三声纹特征信息与预先存储的与所述第三位置信息相对应的声纹特征信息集进行合并后存储的步骤包括:
判断预先存储的与所述第三位置信息相对应的声纹特征信息集中,是否具有存储时间超过预设时效的声纹特征信息;
若有,则在预先存储的与所述第三位置信息相对应的声纹特征信息集中,删除存储时间超过预设时效的声纹特征信息,并将剩余的声纹特征信息与所述第三声纹特征信息集进行合并后存储;
若没有,则将所述第三声纹特征信息集与预先存储的与所述第三位置信息相对应的声纹特征信息集进行合并后存储。
此时,如果预先存储有与采集的第三位置信息对应的声纹特征信息集,则判断存储的这些声纹特征信息是否超过预设时效,并在判断结果为是时,将超过时效的声纹特征信息清理掉。从而保证了存储信息的有效性和准确性,避免了过时的不准确信息对定位结果的干扰。
优选的,所述方法还包括:
步骤1005,将处于同一区域的位置信息所对应的声纹特征信息集整合到一起存储。
此时,将相近的位置信息的声纹特征信息集整合到一起存储,增加了信息存储的合理性和整洁性,且方面了后续对声纹特征信息集的查找和使用。
综上,本发明实施例的定位方法可分为两个阶段,第一阶段为信息的采集与存储阶段,第二阶段为定位信息的查询阶段。
在第一阶段,本发明实施例的定位方法,定时采集用户所处环境的声音信息和位置信息,并对采集的声音信息进行预处理,获得对应的声纹特征信息集;然后去除无效的位置信息;对有效的位置信息,判断预先存储的声纹特征信息集中是否有对应的声纹特征信息集,如果有,则去除超过时效的声纹特征信息后,与采集的位置信息对应的声纹特征信息集与预先存储的声纹特征信息集合并后存储,如果没有,则直接将采集的位置信息与声纹特征信息集按照相对应的关系进行存储。优选的,还可将处于同一区域的位置信息对应的声纹特征信息集整合到一起存储,方面后续查找。
在第二阶段,本发明实施例的定位方法,接收用户发送的定位请求,定位请求携带有所处环境的声音信息;对定位请求中的声音信息进行预处理,获得对应的声纹特征信息集;如果定位请求中还携带有终端所处区域的信息,则根据终端所处区域的信息,在预先存储的声纹特征信息中筛选出与终端处于同一区域的待选声纹特征信息集,并将定位请求的声纹特征信息集与待选声纹特征信息集进行匹配;如果定位请求中没有携带终端所处区域的位置信息,则直接定位请求的声纹特征信息集与存储的声纹特征信息集进行匹配;如果匹配得到一组声纹特征信息集及对应的一个位置信息,则将匹配得到的该位置信息作为最后定位的位置信息;如果匹配得到多组声纹特征信息集及对应的多个位置信息,则将多个位置信息所处区域 的位置信息作为最后定位的位置信息,或者在多个位置信息中选取一个最优的位置信息作为最后定位的位置信息。
其中,本发明对第一阶段和第二阶段的执行顺序并不做限定。当然,一般情况下先执行第一阶段,得到足够的位置信息与声纹特征信息集的对应关系后,再执行第二阶段进行定位。也可在进入第二阶段后,继续执行第一阶段,以不断完善存储的数据。
本发明实施例的定位方法,基于用户信任为前提,引导用户在使用过程中不断完善位置信息与声纹特征信息集的对应关系,当存储的位置信息和声纹特征信息达到一定程度时,能够以成本最小化的方式实现准确的定位服务。该方法从成本角度分析,达到了成本最小化,同时在用户体验方面得到了提升,是用户数量增长带动定位平台业务发展的良性循环,能够在定位平台成熟以后为各类用户提供基于位置的各种个性化应用服务。解决了现有定位技术不能同时满足高品质的定位服务需求与低成本投入的问题。
如图5-1所示,本发明的实施例还提供一种定位装置200,包括:
接收模块201,配置为接收终端发送的定位请求,所述定位请求中携带有所述终端所处环境的第一声音信息;
预处理模块202,配置为对所述第一声音信息进行预处理,获得所述第一声音信息的第一声纹特征信息集;
处理模块203,配置为根据所述第一声纹特征信息集以及预先存储的位置信息与声纹特征信息集的对应关系,获取所述第一声纹特征信息集对应的第一位置信息。
本发明实施例的定位装置,采用背景音声纹识别的方式进行准确定位,实现了成本最小化,同时在用户体验方面得到了提升,能够为用户提供高品质的定位服务。解决了现有定位技术不能同时满足高品质的定位服务需 求与低成本投入的问题。
优选的,所述处理模块203包括:
匹配单元,配置为将所述第一声纹特征信息集与预先存储的声纹特征信息集进行匹配,获得与所述第一声纹特征信息集相匹配的至少一组第二声纹特征信息集;
第一获取单元,连接所述匹配单元,配置为根据预先存储的位置信息与声纹特征信息集的对应关系,获取至少一组所述第二声纹特征信息集所对应的至少一个第二位置信息;
第二获取单元,连接所述第一获取单元,配置为根据至少一个所述第二位置信息,获取所述第一声纹特征信息集对应的第一位置信息。
具体的,所示第二获取单元配置为:
若所述第二位置信息为一个,则将所述第二位置信息作为所述第一声纹特征信息集对应的第一位置信息;
若所述第二位置信息为多个,判断多个所述第二位置信息是否处于同一区域,若是,则将多个所述第二位置信息所处区域的位置信息作为所述第一声纹特征信息对应的第一位置信息,否则,在多个所述第二位置信息中选取一个位置信息作为所述第一声纹特征信息对应的第一位置信息;或者
若所述第二位置信息为多个,则直接在多个所述第二位置信息中选取一个位置信息作为所述第一声纹特征信息对应的第一位置信息。
优选的,所述定位请求中还携带有所述终端所处区域的信息;所述匹配单元包括:
筛选子单元,配置为根据所述终端所处区域的信息,在预先存储的声纹特征信息集中筛选出与所述终端处于同一区域的待选声纹特征信息集;
匹配子单元,连接所述筛选子单元,配置为将所述第一声纹特征信息 集与所述待选声纹特征信息集进行匹配,获得与所述第一声纹特征信息集相匹配的至少一组第二声纹特征信息集。
如图5-2所示,优选的,所述装置还包括:
采集模块204,配置为定时采集一环境中的第三声音信息和第三位置信息;
所述预处理模块202还配置为,对所述第三声音信息进行预处理,获得所述第三声音信息的第三声纹特征信息集;
判断模块205,配置为判断所述第三位置信息是否为有效的位置信息,若所述第三位置信息为有效的位置信息,则判断预先存储的声纹特征信息集中是否具有与所述第三位置信息相对应的声纹特征信息;
存储模块206,配置为若预先存储的声纹特征信息集中具有与所述第三位置信息相对应的声纹特征信息,则将所述第三声纹特征信息与预先存储的与所述第三位置信息相对应的声纹特征信息集进行合并后存储,否则,将所述第三声纹特征信息与所述第三位置信息进行对应存储。
优选的,所述判断模块205包括:
第一判断单元,配置为判断所述第三位置信息与之前采集的同一环境的位置信息之间的偏差是否超过预设范围,若超过,则确定所述第三位置信息为无效的位置信息,否则,确定所述第三位置信息为有效的位置信息。
优选的,所述存储模块206包括:
第二判断单元,配置为判断预先存储的与所述第三位置信息相对应的声纹特征信息集中,是否具有存储时间超过预设时效的声纹特征信息;
第一存储单元,配置为第二判断单元的判断结果为有时,则在预先存储的与所述第三位置信息相对应的声纹特征信息集中,删除存储时间超过预设时效的声纹特征信息,并将剩余的声纹特征信息与所述第三声纹特征信息集进行合并后存储;
第二存储单元,配置为第二判断单元的判断结果为没有时,则将所述第三声纹特征信息集与预先存储的与所述第三位置信息相对应的声纹特征信息集进行合并后存储。
如图5-3所示,优选的,所述装置还包括:
整合单元207,配置为将处于同一区域的位置信息所对应的声纹特征信息集整合到一起存储。
本发明实施例的定位装置,基于用户信任为前提,引导用户在使用过程中不断完善位置信息与声纹特征信息集的对应关系,当存储的位置信息和声纹特征信息达到一定程度时,能够以成本最小化的方式实现准确的定位服务。该方法从成本角度分析,达到了成本最小化,同时在用户体验方面得到了提升,是用户数量增长带动定位平台业务发展的良性循环,能够在定位平台成熟以后为各类用户提供基于位置的各种个性化应用服务。解决了现有定位技术不能同时满足高品质的定位服务需求与低成本投入的问题。
需要说明的是,该定位装置是与上述定位方法相对应的装置,其中上述方法实施例中所有实现方式均适用于该装置的实施例中,也能达到同样的技术效果。
由于本发明实施例的定位装置应用于位置服务系统,因此,本发明实施例还提供了一种位置服务系统,包括:如上述实施例中所述的定位装置。其中,上述定位装置的所述实现实施例均适用于该位置服务系统的实施例中,也能达到相同的技术效果。
图6是本发明另一实施例的定位装置300的结构示意图,定位装置300可以是移动电话、计算机、数字广播终端、信息收发设备、游戏控制台、平板设备、医疗设备、健身设备、个人数字助理等。图6所示的定位装置300包括:至少一个处理器301、存储器302、至少一个网络接口304和用 户接口303。定位装置300中的各个组件通过总线系统305耦合在一起。可理解,总线系统305用于实现这些组件之间的连接通信。总线系统305除包括数据总线之外,还包括电源总线、控制总线和状态信号总线。但是为了清楚说明起见,在图6中将各种总线都标为总线系统305。
其中,用户接口303可以包括显示器、键盘、鼠标、轨迹球、点击轮、按键、按钮、触感板或者触摸屏等。
可以理解,存储器302可以是易失性存储器或非易失性存储器,也可包括易失性和非易失性存储器两者。其中,非易失性存储器可以是只读存储器(ROM,Read Only Memory)、可编程只读存储器(PROM,Programmable Read-Only Memory)、可擦除可编程只读存储器(EPROM,Erasable Programmable Read-Only Memory)、电可擦除可编程只读存储器(EEPROM,Electrically Erasable Programmable Read-Only Memory)、磁性随机存取存储器(FRAM,Ferromagnetic Random Access Memory)、快闪存储器(Flash Memory)、磁表面存储器、光盘、或只读光盘(CD-ROM,Compact Disc Read-Only Memory);磁表面存储器可以是磁盘存储器或磁带存储器。易失性存储器可以是随机存取存储器(RAM,Random Access Memory),其用作外部高速缓存。通过示例性但不是限制性说明,许多形式的RAM可用,例如静态随机存取存储器(SRAM,Static Random Access Memory)、同步静态随机存取存储器(SSRAM,Synchronous Static Random Access Memory)、动态随机存取存储器(DRAM,Dynamic Random Access Memory)、同步动态随机存取存储器(SDRAM,Synchronous Dynamic Random Access Memory)、双倍数据速率同步动态随机存取存储器(DDRSDRAM,Double Data Rate Synchronous Dynamic Random Access Memory)、增强型同步动态随机存取存储器(ESDRAM,Enhanced Synchronous Dynamic Random Access Memory)、同步连接动态随机存取存储器(SLDRAM,SyncLink Dynamic  Random Access Memory)、直接内存总线随机存取存储器(DRRAM,Direct Rambus Random Access Memory)。本发明实施例描述的存储器302旨在包括但不限于这些和任意其它适合类型的存储器。
本发明实施例中的存储器302用于存储各种类型的数据以支持定位装置300的操作。这些数据的示例包括:用于在定位装置300上操作的任何计算机程序,如操作系统3021和应用程序3022;联系人数据;电话簿数据;消息;图片;视频等。其中,操作系统3021包含各种系统程序,例如框架层、核心库层、驱动层等,用于实现各种基础业务以及处理基于硬件的任务。应用程序3022可以包含各种应用程序,例如媒体播放器(Media Player)、浏览器(Browser)等,用于实现各种应用业务。实现本发明实施例方法的程序可以包含在应用程序3022中。
上述本发明实施例揭示的方法可以应用于处理器301中,或者由处理器301实现。处理器301可能是一种集成电路芯片,具有信号的处理能力。在实现过程中,上述方法的各步骤可以通过处理器301中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器301可以是通用处理器、数字信号处理器(DSP,Digital Signal Processor),或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。处理器301可以实现或者执行本发明实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者任何常规的处理器等。结合本发明实施例所公开的方法的步骤,可以直接体现为硬件译码处理器执行完成,或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于存储介质中,该存储介质位于存储器302,处理器301读取存储器302中的信息,结合其硬件完成前述方法的步骤。
在示例性实施例中,定位装置300可以被一个或多个应用专用集成电路(ASIC,Application Specific Integrated Circuit)、DSP、可编程逻辑器件 (PLD,Programmable Logic Device)、复杂可编程逻辑器件(CPLD,Complex Programmable Logic Device)、现场可编程门阵列(FPGA,Field-Programmable Gate Array)、通用处理器、控制器、微控制器(MCU,Micro Controller Unit)、微处理器(Microprocessor)、或其他电子元件实现,用于执行前述方法。
本发明实施例还提供了一种存储介质,例如包括可执行程序的存储器302,上述计算机程序可由定位装置300的处理器301执行,以完成前述方法所述步骤。存储介质可以是FRAM、ROM、PROM、EPROM、EEPROM、Flash Memory、磁表面存储器、光盘、或CD-ROM等存储器;也可以是包括上述存储器之一或任意组合的各种设备,如移动电话、计算机、平板设备、个人数字助理等。
本发明实施例听的存储介质中存储有可执行程序,例如系统程序、驱动程序和中间代码等形式,可执行程序被处理器执行时实现以下用于定位的操作:
接收终端发送的定位请求,所述定位请求中携带有所述终端所处环境的第一声音信息;
对所述第一声音信息进行预处理,获得所述第一声音信息的第一声纹特征信息集;
根据所述第一声纹特征信息集以及预先存储的位置信息与声纹特征信息集的对应关系,获取所述第一声纹特征信息集对应的第一位置信息。
在本发明可选实施例中,所述可执行程序被处理器执行时具体用于实现以下用于定位的操作:
将所述第一声纹特征信息集与预先存储的声纹特征信息集进行匹配,获得与所述第一声纹特征信息集相匹配的至少一组第二声纹特征信息集;
根据预先存储的位置信息与声纹特征信息集的对应关系,获取至少一组所述第二声纹特征信息集所对应的至少一个第二位置信息;
根据至少一个所述第二位置信息,获取所述第一声纹特征信息集对应的第一位置信息。
在本发明可选实施例中,所述可执行程序被处理器执行时具体用于实现以下用于定位的操作:
若所述第二位置信息为一个,则将所述第二位置信息作为所述第一声纹特征信息集对应的第一位置信息;
若所述第二位置信息为多个,判断多个所述第二位置信息是否处于同一区域,若是,则将多个所述第二位置信息所处区域的位置信息作为所述第一声纹特征信息对应的第一位置信息,否则,在多个所述第二位置信息中选取一个位置信息作为所述第一声纹特征信息对应的第一位置信息;
或者,
若所述第二位置信息为多个,则在多个所述第二位置信息中选取一个位置信息作为所述第一声纹特征信息对应的第一位置信息。
在本发明可选实施例中,所述可执行程序被处理器执行时具体用于实现以下用于定位的操作:
根据所述终端所处区域的信息,在预先存储的声纹特征信息集中筛选出与所述终端处于同一区域的待选声纹特征信息集;
将所述第一声纹特征信息集与所述待选声纹特征信息集进行匹配,获得与所述第一声纹特征信息集相匹配的至少一组第二声纹特征信息集。
在本发明可选实施例中,所述可执行程序被处理器执行时具体用于实现以下用于定位的操作:
所述接收终端发送的定位请求,所述定位请求中携带有所述终端所处环境的第一声音信息之前,所述方法还包括:
定时采集一环境中的第三声音信息和第三位置信息;
对所述第三声音信息进行预处理,获得所述第三声音信息的第三声纹 特征信息集;
判断所述第三位置信息是否为有效的位置信息,若所述第三位置信息为有效的位置信息,则判断预先存储的声纹特征信息集中是否具有与所述第三位置信息相对应的声纹特征信息;
若预先存储的声纹特征信息集中具有与所述第三位置信息相对应的声纹特征信息,则将所述第三声纹特征信息与预先存储的与所述第三位置信息相对应的声纹特征信息集进行合并后存储,否则,将所述第三声纹特征信息与所述第三位置信息进行对应存储。
在本发明可选实施例中,所述可执行程序被处理器执行时具体用于实现以下用于定位的操作:
判断所述第三位置信息与之前采集的同一环境的位置信息之间的偏差是否超过预设范围,若超过,则确定所述第三位置信息为无效的位置信息,否则,确定所述第三位置信息为有效的位置信息。
在本发明可选实施例中,所述可执行程序被处理器执行时具体用于实现以下用于定位的操作:
判断预先存储的与所述第三位置信息相对应的声纹特征信息集中,是否具有存储时间超过预设时效的声纹特征信息;
若有,则在预先存储的与所述第三位置信息相对应的声纹特征信息集中,删除存储时间超过预设时效的声纹特征信息,并将剩余的声纹特征信息与所述第三声纹特征信息集进行合并后存储;
若没有,则将所述第三声纹特征信息集与预先存储的与所述第三位置信息相对应的声纹特征信息集进行合并后存储。
在本发明可选实施例中,所述可执行程序被处理器执行时具体用于实现以下用于定位的操作:
将处于同一区域的位置信息所对应的声纹特征信息集整合存储。
在本发明的各种实施例中,应理解,上述各过程的序号的大小并不意味着执行顺序的先后,各过程的执行顺序应以其功能和内在逻辑确定,而不应对本发明实施例的实施过程构成任何限定。
以上所述是本发明的优选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明所述原理的前提下,还可以作出若干改进和润饰,这些改进和润饰也应视为本发明的保护范围。
工业实用性
本发明实施例提供了一种定位方法、装置及位置服务系统、存储介质,,解决定位技术不能同时满足高品质的定位服务需求与低成本投入的问题。该方法包括:接收终端发送的定位请求,所述定位请求中携带有所述终端所处环境的第一声音信息;对所述第一声音信息进行预处理,获得所述第一声音信息的第一声纹特征信息集;根据所述第一声纹特征信息集以及预先存储的位置信息与声纹特征信息集的对应关系,获取所述第一声纹特征信息集对应的第一位置信息。本发明的方案采用背景音声纹识别的方式进行准确定位,实现了成本最小化,同时在用户体验方面得到了提升,能够为用户提供高品质的定位服务。

Claims (13)

  1. 一种定位方法,包括:
    接收终端发送的定位请求,所述定位请求中携带有所述终端所处环境的第一声音信息;
    对所述第一声音信息进行预处理,获得所述第一声音信息的第一声纹特征信息集;
    根据所述第一声纹特征信息集以及预先存储的位置信息与声纹特征信息集的对应关系,获取所述第一声纹特征信息集对应的第一位置信息。
  2. 根据权利要求1所述的方法,其中,所述根据所述第一声纹特征信息集以及预先存储的位置信息与声纹特征信息的对应关系,获取所述第一声纹特征信息集对应的第一位置信息,包括:
    将所述第一声纹特征信息集与预先存储的声纹特征信息集进行匹配,获得与所述第一声纹特征信息集相匹配的至少一组第二声纹特征信息集;
    根据预先存储的位置信息与声纹特征信息集的对应关系,获取至少一组所述第二声纹特征信息集所对应的至少一个第二位置信息;
    根据至少一个所述第二位置信息,获取所述第一声纹特征信息集对应的第一位置信息。
  3. 根据权利要求2所述的方法,其中,所述根据至少一个所述第二位置信息,获取所述第一声纹特征信息集对应的第一位置信息,包括:
    若所述第二位置信息为一个,则将所述第二位置信息作为所述第一声纹特征信息集对应的第一位置信息;
    若所述第二位置信息为多个,判断多个所述第二位置信息是否处于同一区域,若是,则将多个所述第二位置信息所处区域的位置信息作为所述第一声纹特征信息对应的第一位置信息,否则,在多个所述第二位置信息中选取一个位置信息作为所述第一声纹特征信息对应的第一位置信息;
    或者,
    若所述第二位置信息为多个,则在多个所述第二位置信息中选取一个位置信息作为所述第一声纹特征信息对应的第一位置信息。
  4. 根据权利要求2所述的方法,其中,所述定位请求中还携带有所述终端所处区域的信息;
    所述将所述第一声纹特征信息集与预先存储的声纹特征信息集进行匹配,获得与所述第一声纹特征信息集相匹配的至少一组第二声纹特征信息集,包括:
    根据所述终端所处区域的信息,在预先存储的声纹特征信息集中筛选出与所述终端处于同一区域的待选声纹特征信息集;
    将所述第一声纹特征信息集与所述待选声纹特征信息集进行匹配,获得与所述第一声纹特征信息集相匹配的至少一组第二声纹特征信息集。
  5. 根据权利要求1所述的方法,其中,所述接收终端发送的定位请求,所述定位请求中携带有所述终端所处环境的第一声音信息之前,所述方法还包括:
    定时采集一环境中的第三声音信息和第三位置信息;
    对所述第三声音信息进行预处理,获得所述第三声音信息的第三声纹特征信息集;
    判断所述第三位置信息是否为有效的位置信息,若所述第三位置信息为有效的位置信息,则判断预先存储的声纹特征信息集中是否具有与所述第三位置信息相对应的声纹特征信息;
    若预先存储的声纹特征信息集中具有与所述第三位置信息相对应的声纹特征信息,则将所述第三声纹特征信息与预先存储的与所述第三位置信息相对应的声纹特征信息集进行合并后存储,否则,将所述第三声纹特征信息与所述第三位置信息进行对应存储。
  6. 根据权利要求5所述的方法,其中,所述判断所述第三位置信息是否为有效的位置信息,包括:
    判断所述第三位置信息与之前采集的同一环境的位置信息之间的偏差是否超过预设范围,若超过,则确定所述第三位置信息为无效的位置信息,否则,确定所述第三位置信息为有效的位置信息。
  7. 根据权利要求5所述的方法,其中,所述将所述第三声纹特征信息与预先存储的与所述第三位置信息相对应的声纹特征信息集进行合并后存储,包括:
    判断预先存储的与所述第三位置信息相对应的声纹特征信息集中,是否具有存储时间超过预设时效的声纹特征信息;
    若有,则在预先存储的与所述第三位置信息相对应的声纹特征信息集中,删除存储时间超过预设时效的声纹特征信息,并将剩余的声纹特征信息与所述第三声纹特征信息集进行合并后存储;
    若没有,则将所述第三声纹特征信息集与预先存储的与所述第三位置信息相对应的声纹特征信息集进行合并后存储。
  8. 根据权利要求5所述的方法,其中,所述方法还包括:
    将处于同一区域的位置信息所对应的声纹特征信息集整合存储。
  9. 一种定位装置,包括:
    接收模块,配置为接收终端发送的定位请求,所述定位请求中携带有所述终端所处环境的第一声音信息;
    预处理模块,配置为对所述第一声音信息进行预处理,获得所述第一声音信息的第一声纹特征信息集;
    处理模块,配置为根据所述第一声纹特征信息集以及预先存储的位置信息与声纹特征信息集的对应关系,获取所述第一声纹特征信息集对应的第一位置信息。
  10. 根据权利要求9所述的装置,其中,所述装置还包括:
    采集模块,配置为定时采集一环境中的第三声音信息和第三位置信息;
    所述预处理模块还配置为,对所述第三声音信息进行预处理,获得所述第三声音信息的第三声纹特征信息集;
    判断模块,配置为判断所述第三位置信息是否为有效的位置信息,若所述第三位置信息为有效的位置信息,则判断预先存储的声纹特征信息集中是否具有与所述第三位置信息相对应的声纹特征信息;
    存储模块,配置为若预先存储的声纹特征信息集中具有与所述第三位置信息相对应的声纹特征信息,则将所述第三声纹特征信息与预先存储的与所述第三位置信息相对应的声纹特征信息集进行合并后存储,否则,将所述第三声纹特征信息与所述第三位置信息进行对应存储。
  11. 一种位置服务系统,包括:如权利要求9-10任一项所述的定位装置。
  12. 一种位置服务系统,包括:
    存储器,用于可执行程序;存储器,
    处理器,用于执行所述存储器中存储的可执行程序时,实现权利要求其中,所述处理器用于运行所述计算机程序时,执行权利要求1至8任一项所述的定位方法。
  13. 一种存储介质,存储有可执行程序,所述可执行程序被处理器执行时实现权利要求1至8任一项所述的定位方法。
PCT/CN2017/091066 2016-06-30 2017-06-30 定位方法、装置及位置服务系统、存储介质 WO2018001354A1 (zh)

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