CN101358853A - Interest point search method, interest point search method thereof and navigation system - Google Patents
Interest point search method, interest point search method thereof and navigation system Download PDFInfo
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Abstract
The present invention discloses an interest-point searching method, an interest-point searching device and a navigation system. The interest-point searching method comprises the steps: examining that whether the current car driving condition conforms to the automatic searching trigger condition; if the car driving condition conforms to the automatic searching trigger condition, corresponding interest-point searching condition is generated according to the automatic searching trigger conditions, and the peripheral searching is automatically executed; otherwise, the step continues to be executed again. The interest-point searching device of the navigation system is provided with an automatic searching triggering condition that conforms to the actual application situation of the user; when the driving situation of the car satisfies the automatic searching triggering condition, a corresponding interest-point searching condition is generated to automatic execute the peripheral searching, so that the navigation can perform the automatic searching of corresponding interest point according to the pre-determined automatic searching trigger conditions without any operation of the user for the navigation system. The user is completely free from any manual operation, and the searching process is automatically completed by the navigation system, thereby being convenient to be used.
Description
Technical field
The present invention relates to the GPS navigation field, in particular, relate to a kind of interest point search method, used the interest point search device and the navigational system of the method.
Background technology
At present, (Global Positioning System GPS) is one of GPS navigation important application direction to automobile-used GPS.The gps antenna of automobile-used GPS navigation system receives from 3 data messages that transmitted in earth-circling 24 gps satellites at least, in conjunction with the electronic chart that is stored in the Vehicular navigation terminal, the position coordinates of determining by gps satellite signal is complementary therewith, determines the accurate position of navigation object in electronic chart.
Fig. 1 shows the structure of existing navigational system and forms:
Described navigational system comprises: loudspeaker 1, chuck assembly 2, input media 3, voice output 4, display device 5, control the control device 6 and the GPS receiving trap 16 that is connected with control device 6 of chuck assembly 2, input media 3 and voice output 4 respectively.
Described control device 6 is a microcomputer, as adopting palm PC, smart mobile phone, car-mounted terminal etc.It comprises: user interface control module 7, map data management module 8 and navigation module 9; Navigation module 9 is mainly by Navigation Control module 10, map display module 11, route guidance module 12, path searcher module 13, information point indexing unit 14, constitute from car position detection module 15.
Chuck assembly 2 can be reduced into numerical data to the recorded content that inserts in the recording medium that records map datum, control program data etc. wherein, and delivers to and deliver to control device 6.Its recording medium for example can adopt safe digital card (Secure Digital Card, SD), flash card (TransFlash Card, TF) etc.
The voice data translation that voice output 4 is sent control device 6 here is a voice signal, delivers to loudspeaker 1.The voice signal that loudspeaker 1 is sent voice output 4 here converts sound and output to, and like this, loudspeaker 1 just can cooperate the needs of control device 6, sends the voice of various operational notifications and route guidance.
The signal that GPS receiving trap 16 receives from gps satellite, detect the present position and the moving direction of vehicle, and convert detected result to protocol data, these protocol datas further be sent in the navigation module 9 of control device 6 from car position detection module 15.
The user interface control module 7 of control device 6 receives the input of input media 3, generates and the desired content control instruction corresponding of input, delivers among the one or more submodules in the navigation module 9.In addition, user interface control module 7 response steering orders, and the result of returning from navigation module 9, deliver among voice output 4, the display device 5.
The requirement of the map data management module 8 response navigation modules 9 of control device 6 is read map datum from chuck assembly 2, also contains the data content that is useful on picture guiding usefulness in these map datums.
All the other submodules of navigation module 9 are controlled and called to the Navigation Control module 10 of navigation module 9.
The map display module 11 of navigation module 9 generates the video data that map shows usefulness according to the map data information of reading from map data management module 8, delivers to user interface control module 7.
The route guidance module 12 of navigation module 9 obtains map datum from map data management module 8, it is carried out the path induce processing, and inducing result to return to map data management module 8, read so that map data management module 8 is predicted.Data such as the interface in the time of also will inducing in addition, navigation speech send user interface control module 7 to.
The path searcher module 13 of navigation module 9 obtains map datum from map data management module 8, and processing is directly explored in walking along the street in fact, and with track search return path bootstrap module 12 as a result.
Because the user can will look for the refuelling station to refuel or look for the hotel to stay in driving to travel on the way or look for lavatory etc., user can wish and can directly find these places in the proper range on path of navigation next door.In order to realize retrieving the function of peripheral point of interest, navigation module 9 also comprises interest point search device 14; Described interest point search device 14 is obtained data to be filtered from map data management module 8, retrieves the interest point search instruction of input media 3 inputs, and result for retrieval is returned to map data management module 8, map display module 11, route guidance module 12.
We adopt peripheral retrieval mode to carry out the interest point search location usually.For example, the user assigns the instruction of periphery retrieval, navigational system with the position at current driving place as peripheral retrieval center (center of circle), with a preseting length as radius, make a circular scope, obtain dropping on the point of interest in this scope, if the above-mentioned point of interest that obtains meets further filtercondition (for example whether the classification of point of interest is the interested default classification that the user selects), then this point of interest is added into filter result and concentrates.After the filter result collection is finally determined, tabulate to be selected to point of interest or the pointwise displaying by human-computer interaction interface.
But, when the user retrieves peripheral point of interest at every turn, all need to assign instruction by man-machine interaction earlier.
In operating process, select earlier to enter the interest point search interface, select user's interest point of interest classification (as restaurant, refuelling station etc.) again, carry out retrieval again.The interest point search device is just retrieved point of interest according to the search condition of user's input this moment, obtains result for retrieval, shows that the user browses in the result again.This process is because the step that needs the user to operate is very loaded down with trivial details, diverts one's attention because of troublesome operation causes that the user drives easily, causes danger; And more trivial step flow process user error in operation may be just big more, the user carries out this generic operation and often makes mistakes probably under the situation of fatigue, can influence frame and sail mood, its consequence may cause serious traffic accident accident especially.
In sum, the retrieval of the periphery of existing GPS navigation system exists operation steps many, and the program of searching interest point is problem such as complexity comparatively.
Summary of the invention
For overcoming above-mentioned defective, technical matters to be solved by this invention provides a kind of interest point search device and the navigational system that can carry out the interest point search method of thereof for searching peripheral interested points automatically and use the method.
The objective of the invention is to be achieved through the following technical solutions:
A kind of interest point search method may further comprise the steps:
A: detect current driving situation and whether satisfy retrieval trigger condition automatically: if satisfy, change step B, otherwise, continue to re-execute steps A;
B: according to automatic retrieval trigger condition, generate corresponding interest point search condition, automatically perform the periphery retrieval.
Automatic retrieval trigger condition in the described steps A is: detect the current time whether in default meal time section;
Corresponding, among the described step B, corresponding interest point search condition is: searching classification is set to " restaurant ".
Automatic retrieval trigger condition in the described steps A is: the distance between current vehicle and the destination is less than default retrieval distance in advance;
Corresponding, among the described step B, corresponding interest point search condition is: searching classification is set to " parking lot ".
Automatic retrieval trigger condition in the steps A is: the volume of the oil plant of current vehicle is less than default critical volume;
Corresponding, among the described step B, corresponding interest point search condition is: searching classification is set to " refuelling station ".
Behind the described step B, also comprise the qualified point of interest that periphery is retrieved, after continuing to show a demonstration retention time section of presetting on the display interface of navigational system, close this step of display interface as a result automatically as result for retrieval.
Among the described step B, when the qualified point of interest that retrieves when periphery continues to show on display interface, also comprise: navigational system detects the operation of user to point of interest, and carries out the step of corresponding setting according to user's operation.
Behind the described step B,, re-execute steps A closing this automatically as a result after the step of display interface.Such design makes us when current driving situation is detected, and can be the monitoring of the cycle carrying out continuation with the time of each retrieval.With a default demonstration retention time section is periodically to retrieve in the cycle, can avoid the load too high of navigational system, improves the operational efficiency of navigational system.
In the described steps A, after detecting the satisfied retrieval automatically of current driving situation trigger condition, after the retention time section that time-delay one is preset, continue to re-execute steps A again.
A kind of interest point search device is characterized in that, comprising: automatic retrieval module, and described automatic retrieval module comprises:
Current driving situation is judged submodule, is used to detect current driving situation, and judges whether it satisfies retrieval trigger condition automatically;
Automatically the retrieval implementation sub-module is used for according to the interest point search condition of automatic retrieval trigger condition correspondence, automatically performing the periphery retrieval when current driving situation judges that submodule is judged the satisfied retrieval automatically of current driving situation trigger condition.
A kind of navigational system comprises the interest point search device, it is characterized in that, described interest point search device comprises automatic retrieval module, and described automatic retrieval module comprises:
Current driving situation is judged submodule, is used to detect current driving situation, and judges whether it satisfies retrieval trigger condition automatically;
Automatically the retrieval implementation sub-module is used for according to the interest point search condition of automatic retrieval trigger condition correspondence, automatically performing the periphery retrieval when current driving situation judges that submodule is judged the satisfied retrieval automatically of current driving situation trigger condition.
The interest point search device of navigational system of the present invention is because by presetting the automatic retrieval trigger condition of the actual operating position of applying user, when the satisfied retrieval automatically of current driving situation trigger condition, according to automatic retrieval trigger condition, generate corresponding interest point search condition, automatically perform the periphery retrieval, thereby make that the user does not need navigational system is carried out any operation, navigational system just can be carried out the automatic retrieval of corresponding point of interest according to default automatic retrieval trigger condition, in use, the user does not need navigational system is carried out any manual operation fully, begin automatically fully and finish retrieving automatically by the interest point search device in the navigational system, very easy to use.
Description of drawings
Fig. 1 is the structural representation of navigational system in the prior art;
Fig. 2 is the synoptic diagram that the interface is set that carries out the periphery retrieval automatically in the embodiment of the invention;
Fig. 3 shows the peripheral automatically synoptic diagram of retrieving the point of interest interface that obtains in the embodiment of the invention;
Fig. 4 is the operation interface synoptic diagram when the user clicks certain point of interest in the embodiment of the invention;
Fig. 5 is that the navigational system in the embodiment of the invention is carried out the point of interest process flow diagram of retrieval automatically;
Fig. 6 is the structural representation of the interest point search device of the navigational system in the embodiment of the invention.
Embodiment
The invention will be further described below in conjunction with accompanying drawing and preferred embodiment.
Because the user always carries out the periphery retrieval under certain opportunity, for example, when the user is in the long-distance route, will expect that in the time for eating meals section searching the restaurant has dinner; When arriving the destination, need look for the parking lot of periphery to stop with regard to nature; Under the situation of fuel tank oil material under-reserve, refuel with regard to the refuelling station that needs the search periphery.This shows that the user has the condition and the opportunity of much carrying out the periphery retrieval to have trace to search.Therefore, inventive concept of the present invention is exactly the use habit possible according to the user, set up automatic retrieval trigger condition, set up a kind of event response mechanism, when driving, detect current driving situation whether certain incident takes place, satisfy retrieval trigger condition automatically: if satisfy, then, generate corresponding interest point search condition, automatically perform the periphery retrieval of this incident correspondence according to retrieving trigger condition automatically.
In the present embodiment, retrieving trigger condition automatically can be set to: the time period, the vehicle that arrive appointment arrive conditions such as destination, fuel tank oil material deficiency.After having set up automatic retrieval trigger condition, navigational system is carried out periodicity and is detected, thereby detect current each side situation and whether satisfy default automatic retrieval trigger condition formation incident, if satisfy, just according in advance setting, be the periphery retrieval that search condition automatically performs this incident with the interest point search condition of correspondence.
Automatically the interest point search condition of retrieval trigger condition and correspondence is related, realizes by the event registration device.Register certain incident by the event registration device, and the search condition that need carry out the periphery retrieval when this incident takes place, promptly retrieve settings such as filtering classification and retrieval distance, and retrieve behind the result and show the time that keeps, this retention time also can be used as the retrieval next time retrieved simultaneously at interval or as the sense cycle that periodically detects.
For example, in the present embodiment, the automatic retrieval trigger condition of searching the restaurant incident automatically is for detecting the current time whether in default meal time section, is set between the time 12:00 to 14:00 or between the 18:00 to 20:00 as this meal time section; The interest point search condition of the periphery retrieval of its correspondence is: searching classification is " restaurant ", and the retrieval distance is current vehicle location periphery " 5 km ".
If the current time is 13:10, promptly between time 12:00 to 14:00, satisfied the automatic retrieval trigger condition of automatic search restaurant incident; Therefore, navigational system will be automatically according to above-mentioned interest point search condition performance period frontier inspection rope, with the current vehicle location is the center, retrieves the point of interest set that belongs to " restaurant " classification in peripheral 5 kms, and these points of interest are shown in above the electronic chart.
In the present embodiment, the automatic retrieval trigger condition of automatically searching the incident in parking lot is that distance between current vehicle and the destination is less than default retrieval distance in advance, as, can this retrieve in advance apart from being set to 200 meters, the interest point search condition of the periphery retrieval of its correspondence is: searching classification is " parking lot ", and the retrieval distance is current vehicle location periphery " 5 km ".
If current vehicle is about to arrive the destination, the distance that navigational system detects between current vehicle and the destination is 180 meters, has satisfied the automatic retrieval trigger condition of automatic search parking lot incident; Therefore, navigational system will be automatically according to above-mentioned interest point search condition performance period frontier inspection rope, with the current vehicle location is the center, retrieves the point of interest set that belongs to " parking lot " classification in peripheral 5 kms, and these points of interest are shown in above the electronic chart.
In the present embodiment, the volume of the oil plant that the automatic retrieval trigger condition of searching the incident of refuelling station automatically is current vehicle is less than default critical volume, as, can this critical volume be set to 12 liters, the interest point search condition of the periphery retrieval of its correspondence is: searching classification is " refuelling station ", and the retrieval distance is current vehicle location periphery " 5 km ".
If it is 11.8 liters that navigational system detects the volume of the oil plant of current vehicle, satisfied the automatic retrieval trigger condition of automatic search refuelling station; Therefore, navigational system will be automatically according to above-mentioned interest point search condition performance period frontier inspection rope, with the current vehicle location is the center, retrieves the point of interest set that belongs to " refuelling station " classification in peripheral 5 kms, and these points of interest are shown in above the electronic chart.
Certainly, other automatic retrieval trigger condition can also be set according to actual conditions, as, the searching classification through via ground time the, retrieval distance etc., near the searching classification in the time of the departure place, retrieval distance etc. generate other incident.Above-mentioned automatic retrieval trigger condition both can manually be provided with by the interface is set by the user, also can with by directly being preset in the navigational system long holidays.
Accompanying drawing 2 is the interface that is provided with of carrying out automatic peripheral retrieval event based on above invention strategy.The user can increase the incident of automatic monitoring in this interface, revises the parameter of the automatic retrieval trigger condition of each incident, and navigational system receives the event registration parameter, and automatic search events is registered.
In the process of automobile navigation, navigational system judges whether the vehicle condition traffic information of current driving satisfies the automatic retrieval trigger condition of registered automatic search events, if satisfy this retrieval trigger condition automatically, then carry out the periphery retrieval according to interest point search conditions such as the pairing searching classification of this incident, retrieval distances, and the result is retained on the display interface of navigational system, after a demonstration retention time section of presetting, close this display interface as a result automatically.In showing the retention time section, the peripheral point of interest that each retrieves, the same with the process of common interest point search, by its corresponding category images, position, be presented on the electronic chart, as shown in Figure 3.
After the time with display interface demonstration has as a result surpassed this default demonstration retention time section, then close display interface as a result, this time search cycle finishes automatically, and navigational system begins to carry out Next incident deterministic process, rejudges whether the incident establishment is arranged.If incident is also set up, the interest point search condition with this incident correspondence begins once new retrieval again; If incident is false, promptly, finish this time the search cycle automatically again through after the default retention time, navigational system begins to carry out Next incident deterministic process, and whether rejudge has incident to set up.With a default demonstration retention time section is periodically to retrieve in the cycle, can avoid the load too high of navigational system, improves the operational efficiency of navigational system.
When point of interest is illustrated on the electronic map interface, if the user clicks certain interest point diagram, will suspend navigation screen, show the actions menu of this point of interest, the response of this and common manual interest point search process is identical.As shown in Figure 4.The user can respond the operational order option of menu, and system carries out the instruction of user's input.
It is as described below that navigational system is carried out the automatic process of retrieving of point of interest, as shown in Figure 5:
In step S101, navigational system judges whether the detection request of untreated current driving situation, in this way, and execution in step S102, otherwise execution in step S106;
In step S102, navigational system judges whether the request of the detection request of current driving situation satisfies the interval condition of time opportunity: promptly, check the moment the when request that detected last time is retrieved, show the retention time comparison of (retrieval interval time) with the mistiming (free time is poor) of current time and user's the result for retrieval of importing in the interface that is provided with: if free time difference ratio retrieval is long interval time, then judge and satisfy the interval condition of time, execution in step S103, otherwise return execution in step S101;
In step S103, empty the result for retrieval that automatic peripheral result for retrieval is concentrated the last incident of preserving, so that preserve the result for retrieval of the correspondence of this time;
In step S104, judge whether this detection request meets automatic retrieval trigger condition, in this way, execution in step S105, otherwise, return execution in step S101;
In step S105, retrieve, obtain the automatic peripheral retrieval set of this incident, the point of interest that retrieves of this incident of obtaining is preserved so far automatic peripheral result for retrieval as result for retrieval concentrate, change step S101;
In step S106,, on electronic map interface, physical location place that should point of interest is showed corresponding classification icon, as shown in Figure 3 according to attributes such as the classification of the point of interest that retrieves, positions;
In step S107, detect the user and whether clicked the point of interest icon, in this way, execution in step S108, otherwise, after a demonstration retention time section of presetting, close this display interface as a result automatically, return execution in step S101;
In step S108, suspend picture, eject option of operation menu, as shown in Figure 4 corresponding to this point of interest icon;
In step S109, wait for user's input operation;
In step S110, carry out the operation of user's input: user's operation may be to click to choose concrete instruction option, in this case, carries out and clicks the option command function of choosing; User's operation also may be that the user clicks outside the menu scope, at this moment carries out the cancellation menu, recovers normal navigation function.
As shown in Figure 6, the interest point search device 14 of navigational system of the present invention comprises automatic retrieval module, and described automatic retrieval module comprises:
Current driving situation is judged submodule, is used to detect current driving situation, and judges whether it satisfies retrieval trigger condition automatically;
Automatically the retrieval implementation sub-module is used for according to the interest point search condition of automatic retrieval trigger condition correspondence, automatically performing the periphery retrieval when current driving situation judges that submodule is judged the satisfied retrieval automatically of current driving situation trigger condition.
Wherein, described current driving situation judges that submodule comprises: the search function of having a dinner module, parking search function module, each functional module targetedly such as search function module of refueling; Corresponding, searching classification is set to " restaurant ", " parking lot " respectively, " refuelling station " is associated with the above-mentioned functions module as the interest point search condition to retrieve implementation sub-module automatically.
Also be provided with automatic peripheral retrieval set in the described interest point search device, be used for result for retrieval, the point of interest that promptly each retrieval obtains.
Also be provided with cycle retrieval monitoring modular in the described interest point search device, be used to judge whether the request of the detection request of current driving situation satisfies the interval condition of time opportunity, control interest point search device is periodically retrieved, and improves its work efficiency.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1, a kind of interest point search method is characterized in that, may further comprise the steps:
A: detect current driving situation and whether satisfy retrieval trigger condition automatically: if satisfy, change step B, otherwise, continue to re-execute steps A;
B: according to automatic retrieval trigger condition, generate corresponding interest point search condition, automatically perform the periphery retrieval.
2, interest point search method as claimed in claim 1 is characterized in that,
Automatic retrieval trigger condition in the described steps A is: detect the current time whether in default meal time section;
Corresponding, among the described step B, corresponding interest point search condition is: searching classification is set to " restaurant ".
3, interest point search method as claimed in claim 1 is characterized in that,
Automatic retrieval trigger condition in the described steps A is: the distance between current vehicle and the destination is less than default retrieval distance in advance;
Corresponding, among the described step B, corresponding interest point search condition is: searching classification is set to " parking lot ".
4, interest point search method as claimed in claim 1 is characterized in that,
Automatic retrieval trigger condition in the steps A is: the volume of the oil plant of current vehicle is less than default critical volume;
Corresponding, among the described step B, corresponding interest point search condition is: searching classification is set to " refuelling station ".
5, as the arbitrary described interest point search method of claim 1～4, it is characterized in that,
Behind the described step B, also comprise the qualified point of interest that periphery is retrieved, after continuing to show a demonstration retention time section of presetting on the display interface of navigational system, close this step of display interface as a result automatically as result for retrieval.
6, interest point search method as claimed in claim 5, it is characterized in that, among the described step B, when the qualified point of interest that retrieves when periphery continues to show on display interface, also comprise: navigational system detects the operation of user to point of interest, and carries out the step of corresponding setting according to user's operation.
7, interest point search method as claimed in claim 5 is characterized in that, behind the described step B, closing this automatically as a result after the step of display interface, re-executes steps A.
8, interest point search method as claimed in claim 1 is characterized in that, in the described steps A, after detecting the satisfied retrieval automatically of current driving situation trigger condition, after the retention time section that time-delay one is preset, continues to re-execute steps A again.
9, a kind of interest point search device is characterized in that, comprising: automatic retrieval module, and described automatic retrieval module comprises:
Current driving situation is judged submodule, is used to detect current driving situation, and judges whether it satisfies retrieval trigger condition automatically;
Automatically the retrieval implementation sub-module is used for according to the interest point search condition of automatic retrieval trigger condition correspondence, automatically performing the periphery retrieval when current driving situation judges that submodule is judged the satisfied retrieval automatically of current driving situation trigger condition.
10, a kind of navigational system comprises the interest point search device, it is characterized in that, described interest point search device comprises automatic retrieval module, and described automatic retrieval module comprises:
Current driving situation is judged submodule, is used to detect current driving situation, and judges whether it satisfies retrieval trigger condition automatically;
Automatically the retrieval implementation sub-module is used for according to the interest point search condition of automatic retrieval trigger condition correspondence, automatically performing the periphery retrieval when current driving situation judges that submodule is judged the satisfied retrieval automatically of current driving situation trigger condition.
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2008
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