JP2012202782A - Portable information terminal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a portable information terminal that can easily recognize an ongoing direction and lowers the possibility that a climbing route to a destination is misunderstood.SOLUTION: A portable information terminal 1 includes: position and direction measurement sections 2, 4, and 5 which acquire position and direction information on the terminal itself; a camera 3 for imaging a scene of a circumferential of the terminal itself; a route search section 12 which searches for a climbing route from the position of the terminal itself to a destination based upon map information; and a display section 8 which displays moving images of guide bodies 16 and 18 of one of a person, an animal or plant, and an animation character guiding an ongoing direction along the route searched for by the route search section so as to be superimposed on an image picked up by the camera. The moving images of the guide person type characters such as the animation character guiding the ongoing direction are superimposed on the image picked up by the camera, so a user can recognize the ongoing direction as if the user has seen the actual scene in the ongoing direction.

Description

  The present invention relates to a portable information terminal, and more particularly, to a portable information terminal that performs route guidance from a current position to a destination when climbing a mountain.

  In recent years, various navigation devices specialized for mountain climbing have been developed. This type of navigation device uses GPS positioning as well as the vehicle navigation device, but in order to differentiate it from that for the vehicle, a function useful for climbing is added, Various ingenuity has been elaborated such as narrowing down the functions. In addition, in a navigation device for mountain climbing, the ease of carrying when climbing is also an important factor, and therefore, downsizing and weight reduction have been actively promoted.

  However, in the conventional portable navigation device for mountain climbing, since the mountain climbing route and the current location are only displayed on a two-dimensional plane map, it is not easy to grasp the mountain climbing route and there is room for improvement.

  Therefore, the present invention has been made in view of the problems in the above-described conventional technology, and can easily recognize the traveling direction and reduce the possibility of misunderstanding the mountain climbing route to the destination point. An object of the present invention is to provide a portable information terminal that can be used.

  In order to achieve the above object, the present invention provides a portable information terminal, a position / direction measuring unit that acquires position / direction information of the terminal, a camera for capturing a landscape around the terminal, a map, A route search unit that searches for a mountain climbing route from the position of the terminal to a target point based on information, and any of a human, an animal, a plant, or an animation character that guides the traveling direction along the route searched by the route search unit And a display unit that displays the derivative moving image so as to be superimposed on an image captured by the camera.

  According to the present invention, since the moving image of the humanoid character that guides the traveling direction is superimposed on the image captured by the camera, the user recognizes the traveling direction as if he / she looked at the actual scenery in the traveling direction. The possibility of misunderstanding the mountain climbing route to the destination point can be reduced.

  In the portable information terminal, the traveling direction can be displayed more easily by displaying the plurality of derivatives along the traveling direction.

  Moreover, by comprising voice guidance means for guiding the traveling direction by voice, it is possible to further reduce the possibility of misunderstanding the mountain climbing route to the destination point.

  The display unit can switch between a display mode in which the moving image of the derivative is displayed so as to be superimposed on the observed real image and a mode in which the mountain climbing route searched by the route search unit is displayed on a map. be able to. Thereby, it can walk, confirming a mountain climbing path | route with a map.

  The display unit generates a cross-sectional image showing a vertical cross-sectional shape of a mountain climbing route from the position of the terminal to a target point as a display mode other than the two display modes, and displays the generated cross-sectional image together with an altitude value can do. Thereby, it is possible to intuitively grasp the altitude and undulation state of the mountain climbing route, and it is possible to improve convenience.

  In addition, the portable information terminal can be a mobile phone terminal, and a device having the above-described configuration can be provided using a general-purpose terminal.

  As described above, according to the present invention, the traveling direction can be easily recognized, and the possibility of erroneously understanding the mountain climbing route to the destination point can be reduced.

It is a block diagram which shows one Embodiment of the portable information terminal concerning this invention. It is a flowchart which shows operation | movement of the portable information terminal concerning this invention. It is a figure which shows the input screen for inputting a mountainous area name. It is a figure which shows the plane map screen at the time of mountain climbing route setting. It is the schematic which shows an example of a guidance animation. It is the schematic which shows the other example of a guidance animation. It is a figure which shows the cross-section map screen at the time of mountain climbing route setting. It is a figure which shows the screen of the state which displayed the cross-section map screen of FIG. 5 in detail. It is a figure which shows the planar map screen at the time of mountain climbing. It is a figure which shows the cross-sectional map screen at the time of mountain climbing.

  Next, an embodiment for carrying out the present invention will be described in detail with reference to the drawings.

  FIG. 1 shows an embodiment of a portable information terminal according to the present invention. This portable information terminal 1 is roughly divided into a GPS (Global Positioning System) receiving unit 2, a camera 3, an acceleration sensor 4, and a gyro. The sensor 5, the clock 6, the operation unit 7, the display unit 8, the control unit 10, the recording unit 14, and the like.

The GPS receiver 2 receives a GPS signal from a GPS satellite via a GPS antenna.
The acceleration sensor 4 and the gyro sensor 5 are provided to detect the direction (orientation) of the portable information terminal 1, and various sensors such as a mechanical type, an optical type, and a semiconductor type may be used for both sensors. it can. The GPS receiving unit 2, the acceleration sensor 4, and the gyro sensor 5 constitute a position / direction measuring unit.

  The camera 3 is provided for capturing an image of a landscape around the portable information terminal 1, usually a landscape in front of the user.

  For example, the timepiece 6 can generate current time information of the portable information terminal 1 based on the oscillation frequency of the crystal resonator, and is always driven by a battery (not shown).

  The operation unit 7 is provided with an operator for operating the portable information terminal 1 and outputs a control signal corresponding to an operation on the operator. As the operation element, for example, a power key for turning on / off the power of the portable information terminal 1, a key for setting guidance from the current point to the destination point, and the like are provided. These various keys may be provided as hardware keys on the casing of the portable information terminal 1, for example. When the display unit 8 is a touch panel display, the various keys are displayed on the display unit 8 as software keys. You may be made to do. The recording unit 14 is, for example, an HDD (Hard Disc Drive) or a flash memory, and records map data and the like.

  The display unit 8 includes, for example, an LCD (Liquid Crystal Display), and displays a surrounding landscape imaged by the camera 3, a derivative such as a guidance animation, a map screen, a menu screen, and the like. As the display unit 8, for example, a touch panel display in which a touch panel having a touch sensor is stacked on an LCD can be used.

  The control unit 10 controls the entire portable information terminal 1 and includes an input control unit 11, a route search unit 12, and a display control unit 13.

  The input control unit 11 determines input contents and selection contents based on a control signal corresponding to a user operation supplied from the operation unit 7, and outputs an operation signal to the route search unit 12.

  The route search unit 12 is based on the GPS signal received by the GPS receiving unit 2 and the signals from the acceleration sensor 4 and the gyro sensor 5, and indicates the position (latitude, longitude) and direction (angle, acceleration, etc.) of the terminal itself. Get direction information. In addition, when a destination point is set by the user operating the operation unit 7, the operation signal is received from the input control unit 11, and based on the map data recorded in the recording unit 14, Search the mountain route to the destination.

  The display control unit 13 reads out map data from the recording unit 14 to generate a map image, guides a mountain climbing route searched by the route searching unit 12, and position / direction information acquired by the GPS receiving unit 2 or the like. A display animation is generated, a generated animation of a derivative such as an animation character is displayed so as to be superimposed on an image captured by the camera 3, or the display unit 8 is displayed in response to a user operation on the operation unit 7. Perform processing to switch screens.

  Here, the guidance animation generated by the display control unit 13 will be described. FIG. 5 shows a state in which the generated guidance animation (hereinafter abbreviated as “guidance animation” as appropriate) is displayed on the display unit 8 of the terminal, and this guidance animation uses the humanoid character 16. is there. Note that the character is not limited to a human type, and as shown in FIG. 6, an insect-type character 18 such as a ladybird or other animal and plant characters can also be used.

  Next, the operation of the portable information terminal 1 having the above configuration will be described with reference to FIG.

  In step S1, it is determined whether or not the portable information terminal 1 has been turned on. If this power ON is detected, the process proceeds to step S2. On the other hand, if power ON is not detected, the process returns to step S1.

  Next, in step S2, the user operates the operation unit 7 of the portable information terminal 1 to set a destination point, select an animation to be displayed, and the like.

  In setting the destination point, for example, an input screen as shown in FIG. 3 is displayed on the display 3 and the user is prompted to input the name of a mountain area to be climbed or an approximate address. When the mountain name is input, the route search unit 12 (see FIG. 1) reads the map data of the recording unit 14 based on the input mountain name and the like, as shown in FIG. Are displayed on the display 3.

  When the user touches the point setting icon 33 and then touches a place to be set as a waypoint in a state in which the plane map screen 21 is displayed on the display 3, the route search unit 12 displays the touched place. The longitude and latitude are set as the passing point 30.

  The number of passing points 30 is not limited to two, the starting point and the destination point, and an arbitrary number can be set. When two or more passing points 30 are set, the preceding and following passing points 30 are displayed by being connected by a straight route 37, and the number (route number) 38 of the straight route 37 assigned in the setting order of the passing points 30 is displayed. .

  Note that reference numerals 31 and 32 in FIG. 4 are icons for refining and broadening the map, and reference numeral 34 is an icon for deleting the set passing point 30. Reference numeral 35 is an icon for displaying a later-described cross-sectional map screen 22, and reference numeral 36 is an icon for saving the set passage point 30 in the recording unit 14.

  Returning to FIG. 2, next, the route search unit 12 acquires current position information based on the GPS signal from the GPS receiving unit 2 in step S3, and based on the map data recorded in the recording unit 14 in step S4. Search the mountain route from the current point to the destination.

  When the user starts walking while operating his / her own terminal, in step S5, the display control unit 13 guides the user of the portable information terminal 1 to the destination point based on the climbing route searched by the route search unit 12. A guide animation (human character 16) as a derivative for the purpose is generated. The guide animation is generated by estimating the actual image captured by the camera 3 by calculation in the display control unit 13 based on the three-dimensional map data recorded in the recording unit 14 and the position / direction information. Associate the derivative with the data.

  Then, for example, as shown in FIG. 5 (a), when guiding to turn left on the three-way road, the humanoid character 16 is displayed on the display unit 8 so as to actually turn left (step S6). That is, the moving image of the humanoid character 16 that guides the traveling direction is superimposed on the actual image captured by the camera 3.

  Further, when guiding the user of the portable information terminal 1 to go straight, as shown in FIG. 5B, it is possible to display the human character 16 so as to go straight on the actual mountain road. Even when the insect character 18 shown in FIG. 6 is used, it can be displayed in the same manner. In step S <b> 7, the user walks according to the guidance instruction of the displayed humanoid character 16.

  In addition, when the user touches the cross-section display icon 35 in the state where the plane map screen 21 shown in FIG. 4 is displayed, the display control unit 13 generates an image showing the vertical cross-sectional shape of the area displayed on the plane, As shown in FIG. 7, a cross-sectional map screen 22 is displayed on the display unit 8.

  In the cross-sectional map screen 22, an altitude value 41 is assigned to the vertical axis, and a route number 38 is assigned to the horizontal axis, and a vertical cross-sectional shape from the first passage point 30 (start point) to the last passage point 30 (end point) is displayed. Further, the cross-sectional map screen 22 displays the distance 42 from the start point to the end point, the height difference 43, and the time (predicted value) 44 required for movement.

  As shown in FIG. 8, the cross-sectional map screen 22 is touched with the detail icon 45 on the right side of the screen or the route number 38 displayed in the start point designation box 46 and the end point designation box 47 at the bottom of the screen is changed, A part of the image can be enlarged and displayed. FIG. 8 is an enlarged view of the section from the route number “2” to the route number “4”. Reference numeral 48 on the right side of the screen is an icon for widening the cross-sectional map screen 22, and reference numeral 49 is an icon for displaying the planar map screen 21 shown in FIG.

  As described above, according to the present embodiment, since the moving image of the humanoid character 16 that guides the traveling direction is superimposed on the image captured by the camera 3, the user looks at the actual scenery in the traveling direction. The direction of travel can be recognized with a simple sense, and the possibility of misunderstanding the mountain climbing route to the destination point is reduced.

  In addition, the possibility of misunderstanding the mountain climbing route to the destination point can be further reduced by using the voice for the guidance in the traveling direction in accordance with the guidance in the traveling direction by the humanoid character 16.

  In addition, according to the present embodiment, since it is possible to display a vertical cross-sectional image of the set climbing route, it is possible to intuitively grasp the altitude and undulation state of the climbing route, and a cross-sectional map screen during the climbing By browsing 54, you can immediately grasp not only the altitude of the current location but also the altitude and undulations ahead of it, and appropriately determine how to proceed with climbing, such as pace distribution and how to take a break It becomes possible.

  Furthermore, a general-purpose mobile phone terminal can be used as the mobile information terminal, and in the case of a mobile phone terminal that does not include a touch panel liquid crystal display, another input means can be used.

DESCRIPTION OF SYMBOLS 1 Portable information terminal 2 GPS receiving part 3 Camera 4 Acceleration sensor 5 Gyro sensor 6 Clock 7 Operation part 8 Display part 10 Control part 11 Input control part 12 Path search part 13 Display control part 14 Recording part 16 Human character 18 Bug character 21 Plan map screen 22 Cross section map screen 30 Passing point 31 Detailed icon 32 Wide area icon 33 Point setting icon 34 Point deletion icon 35 Cross section display icon 36 Registration save icon 37 Straight route 38 Route number 41 Elevation value 42 Distance 43 Height difference display 44 Time required display 45 Refinement icon 46 Start point designation box 47 End point designation box 48 Wide area icon 49 Plane display icon 51 Plane map screen 52 Current location display 53 Moving track 54 Cross section map screen

Claims (6)

A position / direction measurement unit that acquires position / direction information of the terminal itself;
A camera for taking pictures of the scenery around the terminal,
A route search unit for searching a mountain climbing route from the position of the terminal to a target point based on map information;
A display unit that displays a moving image of a derivative of any one of a person, an animal, a plant, and an animation character that guides a traveling direction along the route searched by the route search unit so as to be superimposed on an image captured by the camera; A portable information terminal comprising:   The portable information terminal according to claim 1, wherein a plurality of the derivatives are displayed along the traveling direction.   The portable information terminal according to claim 1, further comprising voice guidance means for guiding the traveling direction by voice.   The display unit can switch between a display mode in which the moving image of the derivative is displayed so as to be superimposed on a real image to be observed, and a mode in which the climbing route searched by the route search unit is displayed on a map. The portable information terminal according to claim 1, 2, or 3.   The display unit generates a cross-sectional image showing a vertical cross-sectional shape of a mountain climbing route from the position of the terminal to a target point as a display mode other than the two display modes, and displays the generated cross-sectional image together with an altitude value The portable information terminal according to claim 1, wherein the portable information terminal is a portable information terminal.   6. The portable information terminal according to claim 1, wherein the portable information terminal is a cellular phone terminal.