CN103677220A - Method for automatically opening live-action map and mobile terminal with function of automatically opening live-action map - Google Patents
Method for automatically opening live-action map and mobile terminal with function of automatically opening live-action map Download PDFInfo
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- CN103677220A CN103677220A CN201210316652.7A CN201210316652A CN103677220A CN 103677220 A CN103677220 A CN 103677220A CN 201210316652 A CN201210316652 A CN 201210316652A CN 103677220 A CN103677220 A CN 103677220A
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Abstract
The invention provides a method for automatically opening a live-action map. The method includes the following steps that in the process of using an electronic map by a user, when a mobile terminal rotates, the change of the angle between the mobile terminal and the horizontal direction is detected; when it is detected that the change of the angle is larger than a preset angle threshold value, a camera device is turned on to enter the live-action map. Correspondingly, the invention further provides the mobile terminal with the function of automatically opening the live-action map. The camera device is turned on to enter the live-action map function while the user lifts the mobile terminal, so that operation cost of the user is effectively saved, user operation can be more convenient, direct and user-friendly, and usage experience of the user is enhanced.
Description
Technical field
The present invention relates to mobile terminal technology, relate in particular to a kind of method of automatic unlatching outdoor scene map and there is the mobile terminal of this function.
Background technology
Augmented reality (Augmented Reality, AR) technology is one of current study hotspot, and it can be realized virtual image, Word message and actual life view are closely linked, and makes it to exist in same picture or space simultaneously.
At present, augmented reality has been applied in electronic chart.User, use in the process of electronic chart, when user finds behind its place that need to inquire about, manually open camera and just can enter into outdoor scene map.Fig. 1 is the demonstration schematic diagram of outdoor scene map in prior art.As shown in the figure, in outdoor scene map, background is the ambient image of the current position of user, the place information that user inquires about is labeled in outdoor scene map, wherein, place information comprise place title, locality, and user's current location between distance etc., user only need to follow in outdoor scene map directional information and move ahead and can arrive its target place.In the process moving user, the content of the place information in outdoor scene map changes accordingly.Illustrate, if user selects to go North Road, West Second Qi, can advance after approximately 1754 meters and arrive at the destination according to the direction of arrow.
Therefore, compare with traditional electronic chart, outdoor scene map can help user to reach more quickly its destination.But, when using outdoor scene map, user need to carry out multistep operation could open this function,, first user needs to press the enterprising button that enters outdoor scene pattern of sub-screen, manually opens camera, and then lifts mobile terminal (such as mobile phone, IPAD etc.), make camera towards the place ahead, just can enter into outdoor scene map (or first lift mobile terminal manually press the button again).Like this operate in the running cost that has increased to a certain extent user, also cannot allow user in use experience smooth sensation simultaneously.
Therefore, hope can provide a kind of method of more convenient, more direct, humanized automatic unlatching outdoor scene map and have the mobile terminal of this function.
Summary of the invention
The object of this invention is to provide a kind of method of automatic unlatching outdoor scene map and there is the mobile terminal of this function, effectively saved user's running cost, strengthened user's experience.
According to an aspect of the present invention, provide a kind of method of automatic unlatching outdoor scene map, the method comprises the following steps:
User, use in the process of electronic chart, when mobile terminal rotates, detect the variation of the angle between described mobile terminal and horizontal direction;
When the variation of described angle being detected and be greater than predetermined angular threshold value, open camera head, enter outdoor scene map mode.
According to another aspect of the present invention, also provide a kind of mobile terminal with automatic unlatching outdoor scene map function, this mobile terminal comprises:
Whether application pick-up unit, using electronic chart for detection of active user;
Angle induction device, for detecting the variation of the angle between described mobile terminal and horizontal direction when mobile terminal rotates;
Threshold value comparison means, when the variation of described angle being detected and be greater than predetermined angular threshold value, sends start signal to camera head; And
Described camera head, for enter duty after receiving start signal, opens outdoor scene map mode.
In the prior art, user, in using the process of electronic chart, needs two steps if want to enter into outdoor scene map, and first then manually opened camera lifts mobile terminal, or first lifts then manually opened camera of mobile terminal.For user, whole operating process is convenient not.And in the present invention, when user lifts mobile terminal, camera will be opened automatically, thereby enter outdoor scene map.Therefore, the present invention has saved user's running cost effectively, make user's operation more convenient, more directly, hommization more, and then strengthened user's experience.
Accompanying drawing explanation
By reading the detailed description that non-limiting example is done of doing with reference to the following drawings, it is more obvious that other features, objects and advantages of the present invention will become:
Fig. 1 is the demonstration schematic diagram of outdoor scene map in prior art;
Fig. 2 is according to the method flow diagram of the automatic unlatching outdoor scene map of one aspect of the invention;
Fig. 3 is the schematic diagram that between mobile terminal and horizontal direction, angle changes; And
Fig. 4 is the equipment schematic diagram with automatic unlatching outdoor scene map function according to a further aspect of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Fig. 2 is that as shown in the figure, the method comprises the following steps according to the method flow diagram of the automatic unlatching outdoor scene function of one aspect of the invention:
In step S101, user, use in the process of electronic chart, when mobile terminal rotates, detect the variation of the angle between described mobile terminal and horizontal direction.
Particularly, along with the development of mobile terminal, user can carry out the inquiry of geography information in real time with the electronic chart on mobile terminal.In the present embodiment, described mobile terminal is mobile phone, and in other embodiments, described mobile terminal can also be panel computer, for example IPAD.Those skilled in the art is to be understood that other have camera function and all comprise within the scope of the present invention with the electronic equipment of outdoor scene map function, for brevity, will not enumerate at this.Camera head can be built-in camera, can be also external shooting equipment, at this, does not do any restriction.
User, when using electronic chart, conventionally understands hand-held mobile terminal it is the level of state, or make itself and horizontal direction be a low-angle.Wherein, in this article, the angle between mobile terminal and horizontal direction refers to the formed angle that is less than or equal to 90 ° between mobile terminal and horizontal direction.When user need to enter outdoor scene map, generally, can apply certain external force to mobile terminal, rotate mobile terminal, lifted, make camera head towards the place ahead, the buildings in the place ahead is entered in image pickup scope.If wish to take in as far as possible more buildings, user can lift mobile terminal until it is perpendicular to horizontal direction.Now, the angle between mobile terminal and horizontal direction can increase.Therefore, when mobile terminal rotates, need to the angle between mobile terminal and horizontal direction be changed and be detected, with this, judge whether user wishes to start outdoor scene map.Please refer to Fig. 3, Fig. 3 is the schematic diagram that between mobile terminal and horizontal direction, angle changes.As shown in the figure, the angle between mobile terminal and horizontal direction is initially θ
1, when user lifts mobile terminal, angle changes and becomes θ
2, now, angle be changed to △ θ=(θ
2-θ
1).It should be noted that, the testing process of angle is the familiar method of those skilled in the art, such as utilizing gyroscope or gravity sensing device detection etc.Can also carry out angle detection with digital compass.User, mobile terminal is lifted until it starts under the state of outdoor scene map perpendicular to horizontal direction, user horizontally rotates mobile terminal, the orientation that the camera head that can detect mobile terminal by digital compass and/or the gyroscope of mobile terminal is taken.And described mobile terminal also has the locating devices such as GPS or architecture, for determining the position coordinates at current mobile terminal place.The image orientation of taking by binding site coordinate and camera head, contrasts the terrestrial reference title of indicating outdoor scene map on the image that this mobile terminal storing map can take in real time, comprises building title, street name, and indication navigation direction etc.Therefore, for brevity, at this, testing process is repeated no more.
In step S102, when the variation of described angle being detected and be greater than predetermined angular threshold value, open camera head, enter outdoor scene map.
Particularly, under many circumstances, user can, at the middle use electronic chart of advancing, therefore can cause the variation of angle between mobile terminal and horizontal direction.For the maloperation that prevents from bringing due to behaviors such as user shake, so preset an angle threshold, only have when the angle variation of mobile terminal is greater than this angle threshold, just can judge that user on purpose raises mobile terminal because wish to enter into outdoor scene map.Once judgement user wishes to use outdoor scene map, automatically opens camera head, makes camera head enter into duty, thereby completes the startup of outdoor scene map function.
Preferably, the size of set angle threshold value is 30 °.Still with the example that is illustrated as in Fig. 3, if under the effect of external force, the changing value △ θ of the angle between mobile terminal and horizontal direction is less than 30 °, think that the state of mobile terminal does not change substantially (under the impact of external force, the state of mobile terminal is to change be among a small circle normal phenomenon), that is to say, user is also not intended to use outdoor scene map, in this case, mobile terminal will maintain the current demonstration of electronic chart; If under the effect of external force, the changing value △ θ of the angle between mobile terminal and horizontal direction is greater than 30 °, thinks that user wishes to use outdoor scene map, and in this case, mobile terminal will be opened camera head automatically, enter into outdoor scene map.User, in outdoor scene map, can carry out follow-up operation, such as search target place of oneself etc. based on building information in outdoor scene map.In other embodiments, the size of threshold value also can arrange according to actual concrete condition.
In some cases, only, by the variation to mobile terminal angle, may judge exactly user and whether really wish to enter outdoor scene map mode.For example, user does not wish to use outdoor scene map mode in the process that electronic chart is operated, but because extraneous factor changes mobile terminal locations and when angle change to surpass predetermined angular threshold value, mobile terminal still can enter outdoor scene map mode automatically, thus, cause erroneous judgement, reduced user's experience.Therefore, preferably, in the angle by mobile terminal, change and judge whether to open on the basis of camera head, can also be further according to the angular velocity varies of mobile terminal or residence time of rotating after stopping according to mobile terminal, judge whether to open camera, with this, prevent the erroneous judgement of user's operation and for no reason enter outdoor scene map mode.Below, respectively to further judging whether that according to the angular velocity varies of mobile terminal or residence time of rotating after stopping according to mobile terminal the mode that need to open camera describes.
Generally, user, in lifting the process of mobile terminal, can rotate mobile terminal with certain speed.That is to say, if the size of this velocity of rotation is positioned at a rational scope, can thinks that user is normally lifting mobile terminal, otherwise think that mobile terminal is lifted but not user wishes to enter outdoor scene map mode by mistake.Particularly, after mobile terminal is picked up (meeting angle changes while being greater than predetermined angular threshold value), calculate the angular velocity of described mobile terminal in rotation process (with the example that is illustrated as in Fig. 3, the angle changing value of mobile terminal is △ θ, the time of rotation process cost is △ t, and the size of its angular velocity is △ ω=△ θ/△ t), when described angular velocity is positioned at predetermined angle threshold speed scope, open camera head, enter outdoor scene map mode.Statistics based on a large number of users behavior, in the present embodiment, described predetermined angle threshold speed scope is 1.0-3.0 radian per second.In other embodiments, also can set according to other factor diagonal angle threshold speed scopes.
Generally, user lifts mobile terminal arrives after certain position it, tends to make mobile terminal to stay for some time on this position, keeps its state not change, until mobile terminal enters into outdoor scene map mode.Therefore the length of the time, stopping on certain position after can being picked up according to mobile terminal judges whether user wishes to enter outdoor scene map mode.Particularly, after described mobile terminal stops operating, when namely mobile terminal is picked up to position that user thinks fit (below using " stop position " to represent), start to record the residence time of described mobile terminal on stop position.Then, this residence time is judged, when the described residence time, be greater than the schedule time during threshold value, open camera head, enter outdoor scene map mode.Statistics based on a large number of users behavior, in the present embodiment, the size of described schedule time threshold value is set as 1 second.Certainly, in other embodiments, also can to schedule time threshold value, set according to other factors.
Those skilled in the art is to be understood that also variation, the size of angular velocity and the length three of the residence time based on angle judges user's the operation of lifting simultaneously, for brevity, does not repeat them here.
In the prior art, user, in using the process of electronic chart, needs two steps if want to enter outdoor scene function, and first then manually opened camera head lifts mobile terminal, or first lifts then manually opened camera head of mobile terminal.For user, whole operating process is convenient not.And in the present invention, when user lifts mobile terminal, camera head will be opened automatically, enter outdoor scene function.Therefore, method provided by the present invention can be saved user's running cost effectively, make user's operation more convenient, more directly, hommization more, and then strengthened user's experience.
Correspondingly, the present invention also provides a kind of mobile terminal 200 with automatic unlatching outdoor scene map function, please refer to Fig. 4.As shown in Figure 4, this mobile terminal 200 comprises:
Whether application pick-up unit 201, using electronic chart for detection of active user;
Threshold value comparison means 203, when the variation of described angle being detected and be greater than predetermined angular threshold value, sends start signal to camera head 204;
Described camera head 204, for enter duty after receiving start signal, opens outdoor scene map.
Below, the specific works process of said apparatus is described.
Along with the development of mobile terminal, user can carry out the inquiry of geography information in real time with the electronic chart on mobile terminal 200.In the present embodiment, described mobile terminal 200 is mobile phone, and in other embodiments, described mobile terminal 200 can also be panel computer, for example IPAD.Those skilled in the art is to be understood that other have camera function and all comprise within the scope of the present invention with the electronic equipment of outdoor scene map function, for brevity, will not enumerate at this.Described camera head 204 can be built-in camera, can be also external shooting equipment, at this, does not do any restriction.
Whether described application pick-up unit 201 is used for detecting user current at use electronic map function, and if so, the angle variation between transmission information notice 202 pairs of mobile terminals 200 of angle induction device and horizontal direction detects.Particularly, user, when using electronic chart, conventionally understands hand-held mobile terminal 200 it is the level of state, or make itself and horizontal direction be a low-angle.Wherein, in this article, the angle between mobile terminal 200 and horizontal direction refers to the formed angle that is less than or equal to 90 ° between mobile terminal 200 and horizontal direction.When user need to enter outdoor scene map, generally, can apply certain external force to mobile terminal 200, rotate mobile terminal, lifted, make camera head 204 towards the place ahead, the buildings in the place ahead is entered in image pickup scope.If wish to take in as far as possible more buildings, user can lift mobile terminal 200 until it is perpendicular to horizontal direction.Now, the angle between mobile terminal 200 and horizontal direction can increase.Therefore,, when mobile terminal rotates, angle induction device 202 need to change and detect the angle between mobile terminal 200 and horizontal direction, with this, judges whether user wishes to start outdoor scene map.Preferably, angle induction device 202 is gyroscope or gravity sensor.Angle induction device 202 can also comprise digital compass.User, mobile terminal 200 is lifted until it starts under the state of outdoor scene map perpendicular to horizontal direction, user horizontally rotates mobile terminal 200, can be by the digital compass of angle induction device 202 and/or the orientation of camera head 204 shootings that gyroscope detects mobile terminal 200 of mobile terminal 200.And described mobile terminal also has the locating devices such as GPS or architecture, for determining the position coordinates at current mobile terminal place.The image orientation of taking by binding site coordinate and camera head, contrasts the terrestrial reference title of indicating outdoor scene map on the image that this mobile terminal storing map can take in real time, comprises building title, street name, and indication navigation direction etc.
Under many circumstances, user can, at the middle use electronic chart of advancing, therefore can cause the variation of angle between mobile terminal 200 and horizontal direction.For the maloperation that prevents from bringing due to behaviors such as user shake, thus preset an angle threshold, and by this angle threshold input threshold value comparison means 203.When angle induction device 202 detects angle between mobile terminal and horizontal direction and changes, described threshold value comparison means 203 compares this angle and angle threshold, only have when the angle variation of mobile terminal 200 is greater than this angle threshold, described threshold value comparison means 203 just can judge that user on purpose raises mobile terminal 200 because wish to enter into outdoor scene map.Once described angle threshold comparison means 203 judgement users wish to use outdoor scene map, send start signal to camera head 204, camera head 204 will enter duty according to start signal, thereby complete the startup of outdoor scene map function.Preferably, the size of threshold value is 30 °.In its other embodiment, the size of angle threshold also can arrange according to actual concrete condition.
In some cases, the detection and the judgement that only by angle induction device and threshold value comparison means, mobile terminal angle are changed, may judge exactly user and whether really wish to enter outdoor scene map mode.For example, user does not wish to use outdoor scene map mode in the process that electronic chart is operated, but because extraneous factor changes mobile terminal locations and when angle change to surpass predetermined angular threshold value, mobile terminal still can enter outdoor scene map mode automatically, thus, cause erroneous judgement, reduced user's experience.Therefore, preferably, mobile terminal can also comprise angular velocity induction installation (not shown) and/or sensing state (not shown) further, the angular velocity varies of mobile terminal or residence time that mobile terminal is rotated after stopping are detected, with this, prevent the erroneous judgement of user's operation and for no reason enter outdoor scene map mode.Mobile terminal is comprised to the situation of angular velocity induction installation and/or sensing state is specifically described respectively further below.
In one embodiment, mobile terminal can also comprise angular velocity induction installation, for calculating described mobile terminal at the angular velocity of rotation process when mobile terminal rotates.This is because generally, user, in lifting the process of mobile terminal, can rotate mobile terminal with certain speed.That is to say, if the size of this velocity of rotation is positioned at a rational scope, can thinks that user is normally lifting mobile terminal, otherwise think that mobile terminal is lifted but not user wishes to enter outdoor scene map mode by mistake.Particularly, after mobile terminal is picked up (meeting angle changes while being greater than predetermined angular threshold value), angular velocity induction installation calculates the angular velocity of described mobile terminal in rotation process (with the example that is illustrated as in Fig. 3, the angle changing value of mobile terminal is △ θ, the time of rotation process cost is △ t, the size of its angular velocity is △ ω=△ θ/△ t), when threshold value comparison means judges whether described angular velocity is positioned at predetermined angle threshold speed scope, if, send start signal to camera head, camera head enters duty after receiving start signal, open outdoor scene map mode.Statistics based on a large number of users behavior, in the present embodiment, described predetermined angle threshold speed scope is 1.0-3.0 radian per second.In other embodiments, also can set according to other factor diagonal angle threshold speed scopes.
In another embodiment, mobile terminal also comprises sensing state, for recording the described mobile residence time on stop position eventually after stopping operating when described mobile terminal.Generally, user lifts mobile terminal arrives after certain position it, tends to make mobile terminal to stay for some time on this position, keeps its state not change, until mobile terminal enters into outdoor scene map mode.Therefore the length of the time, stopping on certain position after can being picked up according to mobile terminal judges whether user wishes to enter outdoor scene map mode.Particularly, after described mobile terminal stops operating, when namely mobile terminal is picked up to position that user thinks fit (below using " stop position " to represent), sensing state starts to record the residence time of described mobile terminal on stop position.Then, threshold value comparison means judges this residence time, when the described residence time, is greater than the schedule time during threshold value, sends start signal to camera head, and camera head enters duty after receiving start signal, opens outdoor scene map mode.Statistics based on a large number of users behavior, in the present embodiment, the size of described schedule time threshold value is set as 1 second.Certainly, in other embodiments, also can to schedule time threshold value, set according to other factors.
In yet another embodiment, mobile terminal can also have angle induction device, angular velocity induction installation and sensing state simultaneously, respectively the length three aspects: of the size of the variation of angle, angular velocity and the residence time is detected, and the judgement of passing threshold comparison means determines whether opening camera head.For brevity, do not repeat them here.
In the prior art, user is in using the process of electronic chart, if want to enter outdoor scene function, need two steps, first then manually opened camera head lifts mobile terminal, or first lift then manually opened camera head of mobile terminal, in other words, mobile terminal is automatically to enter outdoor scene function according to user's operation behavior.Therefore,, for user, whole operating process is convenient not.And mobile terminal provided by the present invention, when detecting while being lifted by user, camera head will be opened automatically, enters outdoor scene function.Therefore, mobile terminal provided by the present invention can be saved user's running cost effectively, make user's operation more convenient, more directly, hommization more, and then strengthened user's experience.
The method of automatic unlatching outdoor scene function provided by the invention can be by programmable logic device (PLD) in conjunction with realizing, also may be embodied as computer software, according to embodiments of the invention, can be for example a kind of computer program, move this program product computing machine is carried out for demonstrated method.Described computer program comprises computer-readable recording medium, comprises computer program logic or code section on this medium, for realizing the method for described automatic unlatching outdoor scene function.Described computer-readable recording medium can be the removable medium (for example hot-plugging technology storage is established) that is installed in the built-in medium in computing machine or can dismantles from basic computer.Described built-in medium includes but not limited to rewritable nonvolatile memory, for example RAM, ROM, flash memory and hard disk.Described removable medium includes but not limited to: optical storage media (for example CD-ROM and DVD), magneto-optic storage media (for example MO), magnetic recording medium (for example tape or portable hard drive), have the media (for example storage card) of built-in rewritable nonvolatile memory and have the media (for example ROM box) of built-in ROM.
Above disclosed is only a kind of preferred embodiment of the present invention, certainly can not limit with this interest field of the present invention, and the equivalent variations of therefore doing according to the claims in the present invention, still belongs to the scope that the present invention is contained.
Claims (17)
1. automatically open a method for outdoor scene function, the method comprises the following steps:
User, use in the process of electronic chart, when mobile terminal rotates, detect the variation of the angle between described mobile terminal and horizontal direction;
When the variation of described angle being detected and be greater than predetermined angular threshold value, open camera head, enter outdoor scene map mode.
2. method according to claim 1, also comprises:
Calculate the angular velocity of described mobile terminal in rotation process;
When described angular velocity is positioned at predetermined angle threshold speed scope, open camera head, enter outdoor scene map mode.
3. method according to claim 1, also comprises:
After described mobile terminal stops operating, record the described mobile residence time on stop position eventually;
When the described residence time, be greater than the schedule time during threshold value, open camera head, enter outdoor scene map mode.
4. method according to claim 1, wherein, the size of described predetermined angular threshold value is 30 °.
5. method according to claim 2, wherein, described predetermined angle threshold speed scope is 1.0-3.0 radian per second.
6. method according to claim 3, wherein, the size of described schedule time threshold value is 1 second.
7. according to the method described in any one in claim 1 to 6, wherein, described mobile terminal comprises mobile phone and panel computer.
8. according to the method described in any one in claim 1 to 6, wherein, described mobile terminal detects the position coordinates at current mobile terminal place and the orientation that camera head is taken, and marks the title of captured geographical sign.
9. a mobile terminal with automatic unlatching outdoor scene map function, this mobile terminal comprises:
Whether application pick-up unit, using electronic chart for detection of active user;
Angle induction device, for detecting the variation of the angle between described mobile terminal and horizontal direction when mobile terminal rotates;
Threshold value comparison means, when the variation of described angle being detected and be greater than predetermined angular threshold value, sends start signal to camera head; And
Described camera head, for enter duty after receiving start signal, opens outdoor scene map mode.
10. mobile terminal according to claim 9, also comprises:
Angular velocity induction installation, for calculating described mobile terminal at the angular velocity of rotation process when mobile terminal rotates;
When described threshold value comparison means detects described angular velocity and is greater than predetermined angle threshold speed, described camera head is opened outdoor scene map mode.
11. mobile terminals according to claim 9, also comprise:
Sensing state, for recording the described mobile residence time on stop position eventually after stopping operating when described mobile terminal;
When described threshold value comparison means detects the described residence time, be greater than the schedule time during threshold value, described camera head is opened outdoor scene map mode.
12. mobile terminals according to claim 9, wherein, the size of described predetermined angular threshold value is 30 °.
13. mobile terminals according to claim 10, wherein, the size of described predetermined angle threshold speed is 1.0-3.0 radian per second.
14. mobile terminals according to claim 11, wherein, the size of described schedule time threshold value is 1 second.
15. according to the mobile terminal described in any one in claim 9 to 14, and wherein, described mobile terminal comprises mobile phone and panel computer.
16. according to the mobile terminal described in any one in claim 9 to 14, wherein, described mobile terminal comprises position detecting device, with the position coordinates that detects current mobile terminal place, described angle induction device also detects the orientation that described camera head is taken, and the orientation based on described position coordinates and shooting marks the title of captured geographical sign.
17. according to the mobile terminal described in any one in claim 9 to 14, and wherein, described angle induction device comprises gyroscope, gravity sensor and/or compass.
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