WO2017166866A1 - 停车场入口的识别方法及系统 - Google Patents

停车场入口的识别方法及系统 Download PDF

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Publication number
WO2017166866A1
WO2017166866A1 PCT/CN2016/109382 CN2016109382W WO2017166866A1 WO 2017166866 A1 WO2017166866 A1 WO 2017166866A1 CN 2016109382 W CN2016109382 W CN 2016109382W WO 2017166866 A1 WO2017166866 A1 WO 2017166866A1
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WO
WIPO (PCT)
Prior art keywords
discontinuity
gps data
parking lot
vehicle
frequency
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PCT/CN2016/109382
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English (en)
French (fr)
Inventor
邹复民
蒋新华
廖律超
邓艳玲
徐翔
胡蓉
朱铨
方卫东
陈子标
甘振华
郑鸿杰
葛祥海
张茂林
陈韫
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福建工程学院
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Priority to US16/088,814 priority Critical patent/US10444027B2/en
Publication of WO2017166866A1 publication Critical patent/WO2017166866A1/zh

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/26Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
    • G01C21/28Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network with correlation of data from several navigational instruments
    • G01C21/30Map- or contour-matching
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/26Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
    • G01C21/34Route searching; Route guidance
    • G01C21/36Input/output arrangements for on-board computers
    • G01C21/3679Retrieval, searching and output of POI information, e.g. hotels, restaurants, shops, filling stations, parking facilities
    • G01C21/3685Retrieval, searching and output of POI information, e.g. hotels, restaurants, shops, filling stations, parking facilities the POI's being parking facilities
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/38Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
    • G01S19/39Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/40Correcting position, velocity or attitude
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/38Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
    • G01S19/39Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/42Determining position
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/0009Transmission of position information to remote stations
    • G01S5/0018Transmission from mobile station to base station
    • G01S5/0027Transmission from mobile station to base station of actual mobile position, i.e. position determined on mobile
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/01Detecting movement of traffic to be counted or controlled
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/01Detecting movement of traffic to be counted or controlled
    • G08G1/0104Measuring and analyzing of parameters relative to traffic conditions
    • G08G1/0108Measuring and analyzing of parameters relative to traffic conditions based on the source of data
    • G08G1/0112Measuring and analyzing of parameters relative to traffic conditions based on the source of data from the vehicle, e.g. floating car data [FCD]
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/01Detecting movement of traffic to be counted or controlled
    • G08G1/0104Measuring and analyzing of parameters relative to traffic conditions
    • G08G1/0125Traffic data processing
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/01Detecting movement of traffic to be counted or controlled
    • G08G1/0104Measuring and analyzing of parameters relative to traffic conditions
    • G08G1/0137Measuring and analyzing of parameters relative to traffic conditions for specific applications
    • G08G1/0141Measuring and analyzing of parameters relative to traffic conditions for specific applications for traffic information dissemination
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/065Traffic control systems for road vehicles by counting the vehicles in a section of the road or in a parking area, i.e. comparing incoming count with outgoing count
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/123Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams
    • G08G1/127Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams to a central station ; Indicators in a central station
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/14Traffic control systems for road vehicles indicating individual free spaces in parking areas
    • G08G1/141Traffic control systems for road vehicles indicating individual free spaces in parking areas with means giving the indication of available parking spaces
    • G08G1/143Traffic control systems for road vehicles indicating individual free spaces in parking areas with means giving the indication of available parking spaces inside the vehicles
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/14Traffic control systems for road vehicles indicating individual free spaces in parking areas
    • G08G1/145Traffic control systems for road vehicles indicating individual free spaces in parking areas where the indication depends on the parking areas
    • G08G1/146Traffic control systems for road vehicles indicating individual free spaces in parking areas where the indication depends on the parking areas where the parking area is a limited parking space, e.g. parking garage, restricted space
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/20Monitoring the location of vehicles belonging to a group, e.g. fleet of vehicles, countable or determined number of vehicles
    • G08G1/207Monitoring the location of vehicles belonging to a group, e.g. fleet of vehicles, countable or determined number of vehicles with respect to certain areas, e.g. forbidden or allowed areas with possible alerting when inside or outside boundaries

Definitions

  • the present invention relates to the field of GPS positioning technologies, and in particular, to a parking garage entrance identification method and system.
  • the technical problem to be solved by the present invention is to provide a technical solution for quickly identifying an entrance of an underground parking lot, to achieve precise positioning, and to facilitate driving and stopping by a driver.
  • the technical solution adopted by the present invention is: Providing a method for identifying a parking lot entrance, comprising:
  • discontinuity frequency and the frequency threshold appearing at each discontinuity point are compared to determine whether the discontinuity point is an underground parking lot entrance.
  • the present invention also provides an identification system for a parking lot entrance, including:
  • a read data module configured to read, by one by one, the number of GPSs of all vehicles appearing in a designated area between designated times According to;
  • a position discontinuity module configured to obtain a discontinuity point after confirming that the vehicle location information is lost
  • the comparison confirmation module is configured to compare the discontinuous frequency and the frequency threshold of each discontinuity point, and whether the discontinuity point is an underground parking lot entrance.
  • the present invention acquires the GPS data of the vehicle one by one, confirms that the vehicle position is lost, acquires the discontinuity point, and confirms the underground parking lot according to the comparison between the frequency of the discontinuous point and the frequency threshold. Entrance location.
  • the invention can quickly locate the entrance of the parking lot, facilitate the driver to park, and have a purposeful driving, and the positioning accuracy is higher for the analysis of the GPS data.
  • Embodiment 1 is a schematic flow chart of Embodiment 1 of a method according to the present invention.
  • FIG. 2 is a schematic flow chart of a specific embodiment of a method according to the present invention.
  • FIG. 3 is a structural block diagram of a second embodiment of a system according to the present invention.
  • the most critical idea of the present invention is: By analyzing the GPS data, the discontinuity points of the vehicle position loss are obtained, and the frequency is compared, thereby determining the entrance position of the underground parking lot.
  • a first embodiment of the present invention provides a method for identifying a parking lot entrance, including:
  • S1 reading GPS data of all vehicles appearing in the designated area between designated times one by one;
  • S2 obtaining a discontinuity point after confirming that the vehicle location information is lost
  • S3 Comparing the discontinuity frequency and the frequency threshold appearing at each discontinuity point to determine whether the discontinuity point is an underground parking lot entrance.
  • step S1 is specifically:
  • GPS data comprises: a vehicle terminal number, a latitude and longitude value, a vehicle type, a vehicle speed, a driving direction, and a driving state.
  • the embodiment of the present invention determines whether the intermittent time between data points is less than a threshold
  • the GPS data is considered to be discontinuous and is used as a discontinuity point and recorded.
  • discontinuity frequency F is incremented by one, and if not, the discontinuity point is added to the discontinuous point list, and is set. Its discontinuous frequency F is 1.
  • comparing the discontinuity frequency and the frequency threshold of each discontinuity point to determine whether the discontinuity point is an underground parking lot entrance includes:
  • the method for identifying the entrance of the parking lot according to the first embodiment of the present invention may be such that the GPS module can be installed in the vehicle first, for example, the GPS module is set in the vehicle terminal, and the GPS data of the vehicle terminal is controlled by the control center. Perform statistical analysis; or the vehicle terminal can download an app, and the server performs statistical analysis on the GPS data. In practice, it can be stored in a specific server database by collecting GPS data.
  • the GPS data of the vehicle is analyzed one by one according to the inter-sequence sequence appearing in the designated area; wherein the GPS data includes: a vehicle terminal number, a latitude and longitude value, a vehicle type, a vehicle speed, a driving direction, a driving state, and the like. .
  • the GPS data is continuous or not, if it is continuous data, it indicates that the vehicle A does not stop in the area, does not process, and reads the data of the next car B. ;
  • a ⁇ t ⁇ b, b is the second threshold, for example, 30 seconds, indicating that the vehicle is temporarily in a subterranean tunnel and other areas with poor signal, ignoring the discontinuity; if t>b, indicating the vehicle location information Lost, suspected underground parking lot, record the track point before the loss, as a discontinuity point.
  • the discontinuous frequency F is incremented by one; if not, adding a list of discontinuous points, setting the discontinuous frequency F to 1, because this is
  • F is a variable whose initial value is zero.
  • processing the GPS data of all the small car vehicles after obtaining all the discontinuities, scanning and counting the frequency F of each breakpoint in the list, determining whether the frequency F is greater than the frequency threshold m, that is, determining whether T>m, the frequency threshold m is, for example, 10 times, which can be determined according to the traffic state of different areas; if yes, the position of the discontinuity point is confirmed to be the entrance of the small car underground parking lot, and the vehicle terminal can be notified to travel in the designated area. The driver; if not, the underground parking lot entrance is not reliable enough to confirm whether it is the entrance of the parking lot, and will not be listed as the entrance of the parking lot.
  • the second embodiment of the present invention provides an identification system 100 for a parking lot entrance, which includes:
  • a read data module 110 configured to read GP s data of all vehicles appearing in a designated area between designated times one by one;
  • a position discontinuity module 120 configured to acquire a discontinuity point after confirming that the vehicle location information is lost
  • the comparison confirmation module 130 is configured to compare the discontinuity frequency and the frequency threshold of each discontinuity point, and whether the discontinuity point is an underground parking lot entrance.
  • the read data module 110 is specifically configured to:
  • the GPS data includes: a vehicle terminal number, a latitude and longitude value, a vehicle type, a vehicle speed, a driving direction, a driving state, and the like.
  • the position discontinuity module 120 is specifically configured to:
  • the discontinuity point is added to the discontinuous point list, and the discontinuous frequency F is set to 1.
  • the comparison confirmation module is specifically configured to:
  • the present invention counts the GPS data of the vehicle appearing in the designated area between the designated time zones, determines the state according to the data interruption condition, determines the discontinuity point, and confirms the discontinuity frequency according to the discontinuity point. Whether the discontinuity point is the entrance location of the underground parking lot, and the location can be prompted to the vehicle entering the area. At the same time, grouping vehicles by terminal number can identify different types of parking lots and improve accuracy. Through the above manner, the invention can quickly locate the entrance of the parking lot, facilitate the driver to stop the vehicle, and have the purpose of driving, and the positioning accuracy is higher for the analysis of the GPS data.

Abstract

一种停车场入口的识别方法,包括:逐一读取指定时间出现在指定区域内所有车辆的GPS数据(S1);在确认车辆位置信息丢失后,获取间断点(S2);比较各间断点出现的间断频次与频次阈值,以确认该间断点是否为地下停车场入口(S3)。通过上述方式,可以快速定位停车场入口,方便司机停车,并有目的性的驾驶,同时,针对GPS数据的分析,定位精确度更高。

Description

说明书 发明名称:停车场入口的识别方法及系统 技术领域
[0001] 本发明涉及 GPS定位技术领域, 尤其是涉及一种停车场入口的识别方法及系统 背景技术
[0002] 目前, 城市居民驾车出行日益剧增, 车辆的停放问题也越来越得到公众的关注 , 路边停车位及地下停车场的快速识别对解决这一问题有很好的应用价值。 对 驾驶人员而言, 路边停车位的分布和地下停车场入口的快速识别结果可以参与 其路径规划, 提供便利、 省吋省力, 避免沿路绕行寻找停车位或停车场入口的 同吋也不会妨碍交通秩序。
[0003] 比如用户要从大学城去宝龙广场, 如果事先通知用户宝龙广场地下停车场的具 体位置, 就可避免在广场附近兜圈寻找停车场入口, 节约吋间和路程。 同理, 路边的停车位的识别也能实现这个功能, 让用户更有目的性地幵车、 停车。 技术问题
[0004] 本发明所要解决的技术问题是: 提供可快速识别地下停车场入口的技术方案, 实现精确定位, 方便司机驾驶及停靠。
问题的解决方案
技术解决方案
[0005] 为了解决上述技术问题, 本发明采用的技术方案为: 提供一种停车场入口的识 别方法, 包括:
[0006] 逐一读取在指定吋间出现在指定区域内所有车辆的 GPS数据;
[0007] 在确认车辆位置信息丢失后, 获取间断点;
[0008] 比较各间断点出现的间断频次与频次阈值, 以确定该间断点是否为地下停车场 入口。
[0009] 为解决上述问题, 本发明还提供一种停车场入口的识别系统, 包括:
[0010] 读取数据模块, 用于逐一读取在指定吋间出现在指定区域内所有车辆的 GPS数 据;
[0011] 位置间断模块, 用于在确认车辆位置信息丢失后, 获取间断点;
[0012] 比较确认模块, 用于比较各间断点出现的间断频次与频次阈值, 以该间断点是 否为地下停车场入口。
发明的有益效果
有益效果
[0013] 本发明的有益效果在于: 区别于现有技术, 本发明通过逐一获取车辆的 GPS数 据, 确认车辆位置丢失后, 获取间断点, 根据间断点频次与频次阈值的比较, 确认地下停车场入口位置。 通过上述方式, 本发明可以快速定位停车场入口, 方便司机停车, 并有目的性的驾驶, 同吋, 针对 GPS数据的分析, 定位精确度更 高。
对附图的简要说明
附图说明
[0014] 图 1为本发明方法实施例一的流程示意图;
[0015] 图 2为本发明方法具体实施例中的流程示意图;
[0016] 图 3为本发明系统实施例二的结构框图。
[0017] 具体最佳实施方式
[0018] 本发明最关键的构思在于: 通过分析 GPS数据, 获取车辆位置丢失的间断点, 并比较频次, 进而确定地下停车场的入口位置。
[0019] 请参照图 1, 本发明实施例一提供一种停车场入口的识别方法, 包括:
[0020] S1 : 逐一读取在指定吋间出现在指定区域内所有车辆的 GPS数据;
[0021] S2: 在确认车辆位置信息丢失后, 获取间断点;
[0022] S3: 比较各间断点出现的间断频次与频次阈值, 以确定该间断点是否为地下停 车场入口。
[0023] 进一步的, 步骤 S1具体为:
[0024] 选取由特定经纬度所围成的指定区域;
[0025] 获取指定吋间段内出现的车辆终端号, 并按终端号分类处理;
[0026] 按吋间顺序, 逐一读取所有车辆在段内的 GPS数据; [0027] 其中, 所述 GPS数据包括: 车辆终端号、 经纬度数值、 车辆类型、 车速、 行驶 方向和行驶状态。
[0028] 进一步的, 读取车辆 GPS数据后, 根据所述车辆 GPS数据, 判断在那个吋间点 的车辆是否在所述指定区域内, 若是, 则判断 GPS数据是否连续, 反之, 则读取 下一辆车数据。
[0029] 进一步的, 判断 GPS数据是否连续, 本发明实施例是通过判断数据点之间的间 断吋间是否小于阈值;
[0030] 若是, 则认为 GPS数据是连续的, 并读取下一 GPS数据;
[0031] 若否, 则认为 GPS数据不连续, 并作为间断点, 并记录。
[0032] 进一步的, 获取间断点后, 判断其是否已处于间断点列表中, 若是, 则该间断 点间断频次 F加 1, 若否, 则将该间断点加入间断点列表中, 并设定其间断频次 F 为 1。
[0033] 进一步的, 比较各间断点出现的间断频次与频次阈值, 以确定该间断点是否为 地下停车场入口的步骤包括:
[0034] 扫描并统计间断点列表中的各间断点间断频次;
[0035] 判断间断频次是否大于频次阈值;
[0036] 若是, 则确认间断点位置为地下停车场入口。
[0037] 实施例一
[0038] 如图 2所示, 本发明实施例一的停车场入口的识别方法, 如可首先可在车辆中 安装 GPS模块, 例如在车载终端设置 GPS模块, 由控制中心对车载终端的 GPS数 据进行统计分析; 或者车载终端可下载一 app应用程序, 由服务器对 GPS数据进 行统计分析。 而在实际中, 可通过采集 GPS数据后存储于特定的服务器数据库中
, 以方便读取研究。
[0039] 选取由特定经纬度 (如经度 [X1, X2], 纬度 [Y1, Y2]) 所围成的指定区域, 每当 有车辆进入该指定区域, 就记录所述车辆的终端号及吋间, 如上述, 在特定服 务器的数据中, 通过条件査询语句即可提取指定区域内的数据, 并按车辆终端 号、 吋间的先后顺序进行读取, 这样的处理速度的较快的。
[0040] 为了对该区域的停车场情况进行统计, 获取某一吋段, 例如近一个月或一周内 曾出现在该指定区域的所有车辆的 GPS数据, 并根据终端号对车辆分类处理, 例 如小型车、 中型车、 大型车, 或者私家车、 公交车; 由于不同车型的车辆对停 车场的要求是不同的, 因此, 可针对不同车型分别进行统计, 以确定不同的停 车场, 例如小型车停车场、 大型车停车场。
[0041] 按出现在指定区域内的吋间顺序, 逐一读取分析上述车辆的 GPS数据; 其中, 所述 GPS数据包括: 车辆终端号、 经纬度数值、 车辆类型、 车速、 行驶方向和行 驶状态等。
[0042] 例如针对小型车组的第一辆车 A, 首先判断其 GPS数据是否连续, 若为连续数 据, 说明车辆 A未在该区域停车, 不做处理, 读取下一辆车 B的数据;
[0043] 若车辆 A的 GPS数据存在间断, 则判断出现间断吋车辆 A是否处于该指定区域 , 若否, 则说明车辆 A在该吋间驶出了该指定区域, 忽略该间断; 若是, 则继续 比较该间断吋间 t和间断阈值, 若 t<a, a为第一阈值, 例如为 5秒, 则说明只是暂 吋的数据丢失, 例如终端更新、 重启等, 车辆仍在路面地段正常行驶, 忽略该 间断; 若 a≤t≤b, b为第二阈值, 例如为 30秒, 说明车辆暂吋处于地下隧道等信 号不好的地段, 忽略该间断; 若 t>b, 说明车辆位置信息丢失, 疑似地下停车场 , 记录丢失前的轨迹点, 作为间断点。
[0044] 判断所述间断点是否已处于间断点列表中, 若是, 则该间断点间断频次 F加 1 ; 若否, 则加入间断点列表, 设置其间断频次 F为 1, 这是因为在本发明的实施例 中 F是变量, 其初始值为 0。
[0045] 处理完第一辆车 A的所有间断以后, 读取第二辆车 B的数据, 重复以上判断过 程。 如此反复, 直至处理完小型车组所有车辆的数据。
[0046] 按照上述步骤, 处理所有小型车组车辆的 GPS数据, 获得全部的间断点后, 扫 描并统计列表中的各间断点出现频次 F, 判断出现频次 F是否大于频次阈值 m, 即 判断是否 T〉m, 频次阈值 m例如为 10次, 具体可根据不同区域的交通状态进行 确定; 若是, 则确认间断点位置为小型车地下停车场入口, 并可通过车载终端 通知行驶在该指定区域内的驾驶人员; 若否, 则地下停车场入口可靠性不足, 无法确认是否为停车场入口, 暂吋不将其列为停车场入口。
[0047] 对于其他车型的组, 采用相同的方法可确定不同类型的地下停车场入口。 [0048]
[0049] 对应地, 如图 3所示, 本发明实施例二提供一种停车场入口的识别系统 100, 包 括:
[0050] 读取数据模块 110, 用于逐一读取在指定吋间出现在指定区域内所有车辆的 GP s数据;
[0051] 位置间断模块 120, 用于在确认车辆位置信息丢失后, 获取间断点;
[0052] 比较确认模块 130, 用于比较各间断点出现的间断频次与频次阈值, 以该间断 点是否为地下停车场入口。
[0053] 其中, 所述读取数据模块 110具体用于:
[0054] 选取由特定经纬度所围成的指定区域;
[0055] 获取指定吋间段内出现的车辆终端号, 并按终端号分类处理;
[0056] 按吋间顺序, 逐一读取所有车辆在第一吋间段内的 GPS数据;
[0057] 其中, 所述 GPS数据包括: 车辆终端号、 经纬度数值、 车辆类型、 车速、 行驶 方向及行驶状态等。
[0058] 所述位置间断模块 120具体用于:
[0059] 读取车辆 GPS数据后, 判断车辆 GPS数据是否连续,
[0060] 若是, 则读取下一辆车数据;
[0061] 若否, 则逐一判断间断点是否出现在所述指定区域内。
[0062] 若间断出现指定区域内, 则判断间断吋间是否小于阈值;
[0063] 若是, 则读取下一间断点数据;
[0064] 若否, 则记录间断点。
[0065] 获取间断点后, 判断其是否已处于间断点列表中,
[0066] 若是, 则该间断点间断频次 F加 1,
[0067] 若否, 则将该间断点加入间断点列表中, 并设定其间断频次 F为 1。
[0068] 所述比较确认模块具体用于:
[0069] 扫描并统计间断点列表中的各间断点间断频次;
[0070] 判断间断频次是否大于频次阈值;
[0071] 若是, 则确认间断点位置为地下停车场入口; [0072] 反之, 则无法确定地下停车场入口。
[0073]
[0074] 区别于现有技术, 本发明通过对指定吋间出现在指定区域的车辆 GPS数据进行 统计, 根据其数据间断情况判断其状态, 确定间断点, 根据间断点出现的间断 频次, 确认该间断点是否为地下停车场入口位置, 并可将该位置提示给驶入该 区域的车辆。 同吋, 通过终端号对车辆进行分组, 可以识别不同类别的停车场 , 提高准确性。 通过上述方式, 本发明可以快速定位停车场入口, 方便司机停 车, 并有目的性的驾驶, 同吋, 针对 GPS数据的分析, 定位精确度更高。
[0075]

Claims

权利要求书
一种停车场入口的识别方法, 其特征在于, 包括:
逐一读取在指定吋间出现在指定区域内所有车辆的 GPS数据; 在确认车辆位置信息丢失后, 获取间断点;
比较各间断点出现的间断频次与频次阈值, 以确定该间断点是否为地 下停车场入口。 根据权利要求 1所述停车场入口的识别方法, 其特征在于, 逐一读取 在指定吋间出现在指定区域内所有车辆的 GPS数据的步骤具体为: 选取由特定经纬度所围成的指定区域;
获取指定吋间段内出现的车辆终端号, 并按终端号分类处理; 按吋间顺序, 逐一读取所有车辆在段内的 GPS数据;
其中, 所述 GPS数据包括: 车辆终端号、 经纬度数值、 车辆类型、 车 速、 行驶方向和行驶状态。
根据权利要求 1所述停车场入口的识别方法, 其特征在于, 读取车辆 GPS数据后, 判断车辆是否出现在所述指定区域内; 若是, 则判断所述 GPS数据是否连续; 若否, 则读取下一辆车数据; 其中, 判断所述 GPS数据是否连续具体为: 判断 GPS数据之间的间断 吋间是否小于阈值;
若是, 则确认 GPS数据为连续的, 并读取下一 GPS数据;
若否, 则确认 GPS数据为不连续的, 作为间断点, 并记录。
根据权利要求 1所述停车场入口的识别方法, 其特征在于, 获取间断点后, 判断其是否已处于间断点列表中, 若是, 则该间断点 间断频次 F加 1, 若否, 则将该间断点加入间断点列表中, 并设定其间 断频次 F为 1。
根据权利要求 1所述停车场入口的识别方法, 其特征在于, 比较各间 断点出现的间断频次与频次阈值, 以确定该间断点是否为地下停车场 入口的步骤包括:
扫描并统计间断点列表中的各间断点间断频次; 判断间断频次是否大于频次阈值;
若是, 则确认间断点位置为地下停车场入口。
[权利要求 6] —种停车场入口的识别系统, 其特征在于, 包括:
读取数据模块, 用于逐一读取在指定吋间出现在指定区域内所有车辆 的 GPS数据;
位置间断模块, 用于在确认车辆位置信息丢失后, 获取间断点; 比较确认模块, 用于比较各间断点出现的间断频次与频次阈值, 以该 间断点是否为地下停车场入口。
[权利要求 7] 根据权利要求 6所述的停车场入口的识别系统, 其特征在于, 所述读 取数据模块具体用于:
选取由特定经纬度所围成的指定区域;
获取指定吋间段内出现的车辆终端号, 并按终端号分类处理; 按吋间顺序, 逐一读取所有车辆在第一吋间段内的 GPS数据; 其中, 所述 GPS数据包括: 车辆终端号、 经纬度数值、 车辆类型、 车 速、 行驶方向和行驶状态。
[权利要求 8] 根据权利要求 6所述停车场入口的识别系统, 其特征在于, 所述位置 间断模块具体用于:
读取车辆 GPS数据后, 判断车辆 GPS数据是否连续,
若是, 则读取下一辆车数据;
若否, 则逐一判断间断点是否出现在所述指定区域内;
若间断出现指定区域内, 则判断间断吋间是否小于阈值;
若是, 则读取下一间断点数据;
若否, 则记录间断点。
[权利要求 9] 根据权利要求 6所述停车场入口的识别系统, 其特征在于, 位置间断 模块还用于:
获取间断点后, 判断其是否已处于间断点列表中, 若是, 则该间断点间断频次 F加 1,
若否, 则将该间断点加入间断点列表中, 并设定其间断频次 F为 1。 [权利要求 10] 根据权利要求 6所述停车场入口的识别系统, 其特征在于, 所述比较 确认模块具体用于:
扫描并统计间断点列表中的各间断点间断频次; 判断间断频次是否大于频次阈值;
若是, 则确认间断点位置为地下停车场入口;
反之, 则无法确定地下停车场入口。
PCT/CN2016/109382 2016-03-29 2016-12-12 停车场入口的识别方法及系统 WO2017166866A1 (zh)

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