JP5607188B2 - Information processing apparatus and program - Google Patents

Description

  The present invention relates to an information processing apparatus and a program.

A technique is known in which an image indicating a time variation of a received radio wave and a captured image indicating a surrounding environment captured by a camera are displayed in synchronization (for example, Patent Document 1).
Patent Document 1 Japanese Patent Application Laid-Open No. 2003-101488

  However, there is a need for a technique for displaying the relationship between the received radio wave and the surrounding environment more easily.

  According to the first aspect of the present invention, the captured image acquisition unit that acquires the captured image captured by the imaging unit, and the radio wave quality of the received radio wave at the position of the imaging unit when the imaging unit captures the captured image An information processing apparatus is provided that includes a radio wave quality acquisition unit that performs and a display data generation unit that generates display data for displaying an image indicating the radio wave quality superimposed on a captured image.

  The information processing apparatus may further include a simulation data acquisition unit that acquires simulation data of radio wave quality of a received radio wave at a position derived based on the surrounding environment information regarding the surrounding environment at the position of the imaging unit, and a display data generation unit May generate display data for displaying simulation data together with an image obtained by superimposing an image showing the radio wave quality on the captured image. In the information processing apparatus, the display data generation unit displays an image in which an image indicating the radio wave quality is superimposed on the captured image and an image in which the image indicating the simulation data is superimposed on the captured image. Data may be generated. In the information processing apparatus, the display data generation unit may generate the display data so that the clarity of the captured image becomes lower as the radio wave quality is lower.

  In the information processing apparatus, the radio wave quality acquisition unit may acquire the radio wave quality of each received radio wave received from each of the plurality of base stations at the position of the imaging unit, and the display data generation unit Display data for displaying an image indicating the radio wave quality of the received radio wave received from each of the base stations superimposed on the captured image may be generated. Further, in the information processing apparatus, the display data generation unit generates display data for displaying a plurality of images each indicating the radio wave quality of the received radio waves received from each of the plurality of base stations on the captured image. In addition, the plurality of images may indicate the radio wave quality in different display modes for each of the plurality of base stations. In the information processing apparatus, the different display modes may be different in at least one of color, hatching, and display area.

  According to the second aspect of the present invention, a program for causing a computer to function as the information processing apparatus is provided.

  It should be noted that the above summary of the invention does not enumerate all the necessary features of the present invention. In addition, a sub-combination of these feature groups can also be an invention.

An example of radio wave condition measurement system 10 is shown roughly. The functional structure of the measuring apparatus 100 is shown schematically. The functional structure of the data generation apparatus 200 is shown schematically. An example of the measurement data memorize | stored in the memory | storage part 204 is shown. An example of simulation data generated by the simulation data generation unit 216 is shown. An example of the display data 300 generated by the display data generation unit 212 is shown. An example of the display data 300 generated by the display data generation unit 212 is shown. An example of the display data 300 generated by the display data generation unit 212 is shown. An example of the display data 300 generated by the display data generation unit 212 is shown. Another example of the image 310 is shown. Another example of the image 310 is shown. 1 schematically shows a hardware configuration of a data generation device 200.

  Hereinafter, the present invention will be described through embodiments of the invention, but the following embodiments do not limit the invention according to the claims. In addition, not all the combinations of features described in the embodiments are essential for the solving means of the invention.

  FIG. 1 schematically shows an example of a radio wave condition measurement system 10. In the present embodiment, the radio wave condition measurement system 10 includes a measurement device 100 and a data generation device 200. The data generation device 200 may be an example of an information processing device.

  The measuring apparatus 100 receives radio waves transmitted by the base stations 32 and 34 and measures the electric field strength of the received radio waves. The electric field strength of the received radio wave may be an example of the radio wave quality indicating the quality of the received radio wave. The base stations 32 and 34 are radio base stations that comply with mobile communication systems such as 3G, LTE, and 4G, for example. Communication areas 36 and 38 schematically represent communication areas provided by base stations 32 and 34. The radio waves transmitted by the base stations 32 and 34 may include notification information. The broadcast information may include base station identification information that can identify the base stations 32 and 34.

  The measuring apparatus 100 includes an imaging unit 102. When the imaging device 102 captures a captured image, the measuring apparatus 100 captures the captured image, time information indicating the time of capturing, position information indicating the position of the image capturing unit, and electric field strength of the received radio wave at the position of the image capturing unit. May be stored in association with each other. The position information is, for example, GPS (Global Positioning System) information.

  The captured image is, for example, a still image. The imaging unit 102 may capture a still image every predetermined time. The measuring apparatus 100 may store time information, position information, and electric field strength in association with each of a plurality of still images.

  The measuring apparatus 100 is installed in a place where the user desires to perform fixed-point observation, for example. Moreover, the measuring apparatus 100 may be mounted on a moving body. For example, the measuring apparatus 100 is mounted on an automobile that travels for the purpose of measuring electric field strength at various locations. Moreover, the measuring apparatus 100 may be mounted on public transportation such as a train and a bus. Moreover, the measuring apparatus 100 may be carried around by a human.

  For example, when the measuring apparatus 100 moves from the communication area 36 to the communication area 38, the measurement apparatus 100 receives only the radio waves transmitted by the base station 32, the area that receives the radio waves transmitted by the base station 32 and the base station 34, and the base station This moves the area where only the radio waves transmitted by 34 are received. When receiving radio waves from each of a plurality of base stations, measuring apparatus 100 may measure the electric field strength of the received radio waves for each of the plurality of base stations.

  The measuring apparatus 100 may determine which base station transmitted the radio wave based on the base station identification information included in the received radio wave. The measuring apparatus 100 may store base station identification information in association with the captured image, time information, position information, and electric field strength. The captured image, time information, position information, electric field strength, and base station identification information stored in the measurement apparatus 100 may be referred to as measurement data.

  The measurement device 100 provides measurement data to the data generation device 200. The measurement apparatus 100 may transmit measurement data to the data generation apparatus 200 via the communication network 20. The communication network 20 may be a mobile phone line network, a wireless packet communication network, the Internet, a dedicated line, or a combination thereof. Further, the measurement apparatus 100 may transmit measurement data by directly connecting to the data generation apparatus 200. In addition, the measurement apparatus 100 may provide measurement data to the data generation apparatus 200 via a storage medium such as a flash memory, a magnetic disk, and an optical disk. The transfer of the storage medium from the measurement apparatus 100 to the data generation apparatus 200 may be performed by a user. Here, the user is a person who uses and manages the measuring apparatus 100 and is a person who measures the radio field intensity of the base stations 32 and 34 (the same applies hereinafter).

  The data generation device 200 generates display data based on the measurement data acquired from the measurement device 100. The data generation device 200 may generate an image indicating the electric field strength associated with the captured image, and generate display data for displaying the generated image superimposed on the captured image.

  The image showing the electric field strength may be any form of image as long as it can express the difference in electric field strength. For example, the image indicating the electric field strength is a hatched image according to a hatching technique in which an arbitrary region is filled with an arbitrary pattern. The data generation device 200 may vary the density of an arbitrary pattern included in the hatched image according to the electric field strength. For example, the data generation device 200 may increase the density of an arbitrary pattern included in the hatched image as the electric field strength increases. In addition, the data generation device 200 may lower the density of an arbitrary pattern included in the hatched image as the electric field strength increases.

  By displaying the display data generated by the data generation device 200 in chronological order, the user can intuitively grasp the change in the electric field intensity at the position where the captured image is captured by gazing at the captured image. Can do. Thereby, the efficiency which examines whether the electric field strength of each place is enough can be improved. Moreover, since the captured image showing the surrounding environment can be shown to a user when electric field strength is inadequate, the user can be provided with a material for predicting the cause of insufficient electric field strength.

  When a plurality of base station identification information is associated with one captured image, the data generation device 200 may generate a plurality of images indicating the electric field strength in a different manner for each of the plurality of base stations. Then, the data generation device 200 may generate display data for displaying a plurality of images indicating the generated electric field strength superimposed on the captured image. The plurality of images indicating the electric field strength in a different manner for each of the plurality of base stations are, for example, a plurality of images having different hatching forms.

  As a specific example, the data generation apparatus 200 generates a diagonally-upward diagonal hatching image as an image showing the electric field strength of the radio wave of the base station 32 and a diagonally-downward diagonal hatching image as an image showing the electric field strength of the radio wave of the base station 34 Is generated. Then, the data generation device 200 generates display data for displaying a right-upward diagonal hatching image and a right-downward diagonal hatching image on the captured image. As a result, the user can intuitively understand that radio waves are received from both the base station 32 and the base station 34.

  FIG. 2 schematically shows a functional configuration of the measuring apparatus 100. The measurement apparatus 100 includes an imaging unit 102, a time information acquisition unit 104, a position measurement unit 106, a reception unit 108, a radio wave quality acquisition unit 110, a storage unit 112, a transmission unit 114, a power reception unit 116, and a control unit 118.

  The imaging unit 102 captures a captured image. The imaging unit 102 may be a digital camera. The captured image captured by the imaging unit 102 may be at least one of a still image and a moving image.

  The time information acquisition unit 104 acquires time information indicating the time. For example, the time information acquisition unit 104 acquires time information when the imaging unit 102 captures a still image. The time information acquisition unit 104 may acquire an imaging start time and an imaging end time when the imaging unit 102 captures a moving image.

  The position measurement unit 106 measures position information indicating the position of the imaging unit 102. The position information indicating the position of the imaging unit 102 may be position information measured by the position measurement unit 106 based on GPS radio waves received from a GPS (Global Positioning System) satellite. The position measurement unit 106 may measure position information when the imaging unit 102 captures a still image. The position measuring unit 106 may measure the position information while the imaging unit 102 is capturing a moving image. Further, the position measurement unit 106 may continuously measure the position information in accordance with a user instruction.

  The receiving unit 108 receives radio waves transmitted from the base stations 32 and 34. The receiving unit 108 may receive radio waves including notification information transmitted from the base stations 32 and 34.

  The radio wave quality acquisition unit 110 may measure the electric field strength of the radio wave received by the reception unit 108. The radio wave quality acquisition unit 110 may measure the electric field strength of the received radio wave when the imaging unit 102 captures a still image. In addition, the radio wave quality acquisition unit 110 may measure the electric field strength of the received radio wave at predetermined intervals while the imaging unit 102 captures a moving image. In addition, the radio wave quality acquisition unit 110 may continuously measure the electric field strength according to a user instruction.

  The storage unit 112 includes a captured image captured by the imaging unit 102, time information acquired by the time information acquisition unit 104, position information measured by the position measurement unit 106, and base information included in the notification information received by the reception unit 108. The station identification information and the electric field strength measured by the radio wave quality acquisition unit 110 are stored in association with each other. When the measurement apparatus 100 is fixed, the storage unit 112 may store position information set by the user instead of the position information measured by the position measurement unit 106.

  When the imaging unit 102 captures a still image, the storage unit 112 includes a still image, time information indicating a time when the still image is captured, position information indicating a position of the imaging unit 102 when the still image is captured, The electric field strength of the received radio wave at the position of the imaging unit 102 when a still image is captured may be stored in association with the base station identification information. In addition, when the imaging unit 102 captures a moving image, the storage unit 112 stores time information indicating the time at which the frame image is captured and a frame image for at least some of the plurality of frame images included in the moving image. You may memorize | store the positional information which shows the position of the imaging part 102 when imaged, the electric field strength when a frame image is imaged, and base station identification information matched with a frame image.

  The transmission unit 114 transmits the measurement data stored in the storage unit 112 to the data generation device 200. The transmission unit 114 may transmit the measurement data to the data generation device 200 every time measurement data is stored in the storage unit 112. In addition, the transmission unit 114 may collectively transmit a plurality of measurement data stored in the storage unit 112 to the data generation device 200. The transmission unit 114 may transmit measurement data to the data generation device 200 via the communication network 20. The transmission unit 114 may directly transmit measurement data to the data generation device 200 when the measurement device 100 and the data generation device 200 are directly connected.

  The power receiving unit 116 receives power. The power receiving unit 116 may receive power from an automobile or the like on which the measuring device 100 is mounted. Moreover, when the measuring apparatus 100 is equipped with a battery, the power receiving unit 116 may receive power from the battery.

  The control unit 118 controls the imaging unit 102, the time information acquisition unit 104, the position measurement unit 106, the reception unit 108, the radio wave quality acquisition unit 110, the storage unit 112, the transmission unit 114, and the power reception unit 116.

  FIG. 3 schematically shows a functional configuration of the data generation device 200. The data generation device 200 includes a reception unit 202, a storage unit 204, a captured image acquisition unit 206, a position information acquisition unit 208, a radio wave quality acquisition unit 210, a display data generation unit 212, a display unit 214, a simulation data generation unit 216, and simulation data. An acquisition unit 218 and a control unit 220 are provided.

  The receiving unit 202 receives measurement data from the measurement apparatus 100. The receiving unit 202 may receive measurement data from the measurement apparatus 100 via the communication network 20. The receiving unit 202 may receive measurement data directly from the measurement apparatus 100. The receiving unit 202 may read measurement data from a storage medium that stores measurement data. The storage unit 204 stores the measurement data received by the receiving unit 202.

  The captured image acquisition unit 206 reads the captured image stored in the storage unit 204 from the storage unit 204. For example, the captured image acquisition unit 206 receives designation of a position and reads a captured image associated with the designated position from the storage unit 204. In addition, the captured image acquisition unit 206 may receive a designation of a range and read a plurality of captured images associated with a plurality of positions included in the designated range from the storage unit 204.

  The position information acquisition unit 208 reads position information stored in the storage unit 204 in association with the captured image acquired by the captured image acquisition unit 206 from the storage unit 204. The radio wave quality acquisition unit 210 reads the electric field strength stored in the storage unit 204 in association with the captured image acquired by the captured image acquisition unit 206 from the storage unit 204.

  The display data generation unit 212 generates display data for displaying the image indicating the electric field intensity acquired by the radio wave quality acquisition unit 210 on the captured image acquired by the captured image acquisition unit 206. When the radio wave quality acquisition unit 210 acquires the electric field strength for each of the plurality of base stations, the display data generation unit 212 displays a plurality of images indicating the electric field strength for each of the plurality of base stations superimposed on the captured image. Display data may be generated.

  The display data generation unit 212 generates, for example, a hatched image as an image indicating the electric field strength. Further, the display data generation unit 212 may generate a color image as an image indicating the electric field strength. The display data generation unit 212 may vary the density of the color image according to the radio wave quality. The display data generation unit 212 may increase the density of the color image as the radio wave quality is higher, for example, as the electric field strength is higher. Further, the display data generation unit 212 may lower the density of the color image as the radio wave quality is higher, for example, as the electric field strength is higher. Further, the display data generation unit 212 may generate color images of different colors for each of the plurality of base stations.

  The display data generation unit 212 may generate an indicator image as an image indicating the electric field strength, and may express the strength of the electric field strength by the indicator image. The display data generation unit 212 may generate different indicator images for each of the plurality of base stations.

  The display data generation unit 212 may further generate a position presentation image that presents the position of the measurement apparatus 100 and the positions of the base stations 32 and 34 on the map. The display data generation unit 212 generates display data for displaying an image obtained by superimposing an image indicating the electric field intensity at a certain position on a captured image at the position and a position presentation image for presenting the position on the map. You can do it. This allows the user to grasp the captured image and the electric field strength at the position where the captured image is captured while grasping the position on the map.

  The display unit 214 displays the display data generated by the display data generation unit 212. The display unit 214 may be a display such as a liquid crystal display and an organic EL display.

  The simulation data generation unit 216 generates simulation data of the electric field strength of the received radio wave in the three-dimensional map data that reproduces the actual environment such as terrain and buildings in the virtual three-dimensional space. The simulation data may be data indicating the electric field strength of the received radio wave calculated based on the surrounding environment information regarding the surrounding environment for each position on the three-dimensional map data. The peripheral environment information regarding the peripheral environment may be information indicating an object that affects radio wave propagation from the base station to each coordinate position on the three-dimensional map data. The simulation data generation unit 216 may calculate the electric field strength of the received radio wave at the position based on the attenuation rate of the radio wave set according to the presence / absence of the object and the type of the object. The simulation data generation method is not limited to this, and other known methods may be used.

  The simulation data acquisition unit 218 acquires the simulation data generated by the simulation data generation unit 216. The simulation data acquisition unit 218 may receive the specification of the position and acquire the simulation data at the specified position. For example, the simulation data acquisition unit 218 acquires simulation data at the position indicated by the position information acquired by the position information acquisition unit 208.

  The display data generation unit 212 includes the simulation data acquired by the simulation data acquisition unit 218 together with an image obtained by superimposing the image indicating the electric field intensity acquired by the radio wave quality acquisition unit 210 on the captured image acquired by the captured image acquisition unit 206. Display data for displaying the may be generated. For example, the display data generation unit 212 generates display data for displaying a numerical value representing the electric field strength indicated by the simulation data together with an image obtained by superimposing an image showing the electric field strength on the captured image.

  In addition, the display data generation unit 212 generates display data for displaying an image in which the image indicating the electric field intensity is superimposed on the captured image and the image in which the image indicating the simulation data is superimposed on the captured image. Good. The image showing the simulation data may be any form of image as long as it can express the difference in electric field strength indicated by the simulation data. For example, the image indicating the simulation data may be any one of a hatched image, a color image, and an indicator image. When the display data generation unit 212 generates the display data, the user can intuitively know whether or not the actual electric field strength is different from the simulation data.

  The display data generation unit 212 may generate an image indicating the electric field strength and an image indicating the simulation data using the same display form. This allows the user to easily compare the electric field strength at the position where the captured image is captured with the simulation data at the position.

  The display data generation unit 212 may generate an image indicating the electric field intensity and an image indicating the simulation data so that the electric field intensity corresponds. For example, when the electric field strength acquired by the radio wave quality acquisition unit 210 and the electric field strength indicated by the simulation data are the same, the display data generation unit 212 generates an image indicating the same electric field strength and an image indicating the simulation data. You can do it. More specifically, when the electric field strength acquired by the radio wave quality acquisition unit 210 and the electric field strength indicated by the simulation data are the same, the display data generation unit 212 includes a hatched image including the same pattern with the same density. Or a color image of the same color may be generated. This allows the user to more easily compare the electric field intensity at the position where the captured image is captured and the simulation data at the position.

  The control unit 220 includes a reception unit 202, a storage unit 204, a captured image acquisition unit 206, a position information acquisition unit 208, a radio wave quality acquisition unit 210, a display data generation unit 212, a display unit 214, a simulation data generation unit 216, and simulation data. The acquisition unit 218 is controlled.

  FIG. 4 schematically shows an example of measurement data stored by the storage unit 204. Here, a measurement data table 230, which is table format data including a plurality of measurement data, is taken as an example. The measurement data table 230 includes a captured image field, a time field, a position field, and a field strength field for each base station.

  In the captured image column, an image ID for identifying the captured image is registered. The storage unit 204 may associate the image ID with the captured image data by separately storing association data in which the image ID and the storage location of the captured image data corresponding to the image ID are associated with each other.

  In the time column, the time when the captured image is captured is registered. In the position column, latitude and longitude are registered as the position of the imaging unit 102 when the captured image is captured. N1 to N4 represent latitude, and E1 to E4 represent longitude.

  In the field strength field, the field strength of the received radio wave at the position of the imaging unit 102 when the captured image is captured is registered for each base station. According to the first row of the measurement data table 230 shown in FIG. 4, the captured image identified by XXX0910 is captured at 9:10 at the position of N1 and E1, and received from the base station 32 at 9:10 of N1 and E1. The electric field strength of the radio wave is −60 dBm, which indicates that no radio wave is received from the base station 34.

  The storage unit 204 may store a measurement data table 230 for each of the plurality of measurement devices 100. The storage unit 204 may identify the plurality of measurement devices 100 by the measurement device ID that identifies the plurality of measurement devices 100.

  FIG. 5 schematically shows an example of simulation data generated by the simulation data generation unit 216. Here, a simulation data table 240, which is table format data including a plurality of simulation data, is taken as an example. The simulation data table 240 includes a position column and a field strength column for each base station.

  Simulation data at the position registered in the position field is registered in the electric field strength field. The first line of the simulation data table 240 shown in FIG. 5 indicates that the calculated electric field strength of radio waves by the base station 32 at N1 and E1 is −60 dBm, and the calculated electric field strength of radio waves by the base station 34 is −75 dBm. It is. Further, it is shown that the calculated electric field strength of the radio wave by the base station 32 at N1 and E2 is −70 dBm, the calculated electric field strength of the radio wave by the base station 34 is −70 dBm, and the radio wave of the base station 32 at N1 and E3 is The calculated electric field strength is -70 dBm, the calculated electric field strength of the radio wave by the base station 34 is -65 dBm, the calculated electric field strength of the radio wave by the base station 32 at N1 and E4 is -75 dBm, and the base station 34 It is shown that the calculated electric field strength of the radio wave is -55 dBm.

  6 to 9 show an example of the display data 300 generated by the display data generation unit 212. FIG. Here, an example of display data 300 including a captured image 302 when the measuring apparatus 100 is mounted on a train is shown. The display data 300 includes three images 310, 320, and 330.

  The image 310 includes a captured image 302 and an electric field strength image 312 that is an image showing the electric field strength of the received radio wave at the position of the imaging unit 102 when the captured image 302 is captured. The electric field intensity image 312 is overlaid on the captured image 302. The electric field strength image 312 shows the electric field strength of the received radio wave received from the base station 32. Here, a case where the display data generation unit 212 generates a hatching image with a diagonal line rising to the right as the electric field intensity image 312 and having a higher density of diagonal lines as the electric field intensity increases is illustrated.

  The image 320 includes a map image 321, a base station image 322 showing the base station 32, a base station image 324 showing the base station 34, a measuring device image 326 showing the measuring device 100, and a moving path image showing the moving route of the measuring device 100. 328. The base station image 322, the base station image 324, the measurement device image 326, and the movement path image 328 are mapped on the map image 321 so as to correspond to actual positions, respectively.

  The display data generation unit 212 maps the measurement device image 326 to the position of the imaging unit 102 when the captured image 302 is captured on the map image 321. Further, the display data generation unit 212 maps the base station images 322 and 324 to the positions of the base stations 32 and 34 on the map image 321. The display data generation unit 212 may generate the movement route image 328 by connecting a plurality of positions included in the measurement data stored in the storage unit 204 with straight lines. Further, the display data generation unit 212 may generate the movement path image 328 by receiving data indicating the movement path from the measurement apparatus 100.

  The image 330 includes a captured image 302 and a simulation image 332. The simulation image 332 is overlaid on the captured image 302. The simulation image 332 shows the electric field strength that simulates the electric field strength of the received radio wave from the base station 32, and is illustrated as a hatching image with a diagonal line rising to the right.

  FIG. 6 illustrates a case where the electric field strength at the position of the imaging unit 102 when the captured image 302 is captured and the electric field strength indicated by the simulation data are the same. As shown in FIG. 6, even when the display sizes of the image 310 and the image 330 are different, the electric field strength is the same or at least approximated by making the density of arbitrary patterns included in the hatched image the same. The user can be made aware of this.

  FIG. 7 illustrates a case where the image 310 includes a captured image 302 and an electric field strength image 312 and an electric field strength image 314 superimposed on the captured image 302. The electric field strength image 314 shows the electric field strength of the received radio wave received from the base station 34, and is exemplified as a hatching image with a diagonal line to the right. In this manner, radio waves from both the base station 32 and the base station 34 have arrived at the position where the captured image 302 was captured by superimposing the plurality of electric field intensity images 312, 314 on the captured image 302. Can be easily grasped by the user. In addition, since the user can identify the area receiving the radio waves from both the base station 32 and the base station 34 and the area receiving the radio waves from one side, the communication area 36 and the communication area 38 The user can easily grasp the boundary.

  FIG. 7 illustrates a case where the image 330 includes a captured image 302 and a simulation image 332 superimposed on the captured image 302. In this manner, the user can easily grasp that the actually measured electric field strength and the simulation data differ due to the difference between the image 310 and the image 330 that are superimposed on the captured image 302. Can be made.

  FIG. 8 illustrates a case where the image 310 includes the captured image 302 and the electric field strength image 314, and the image 330 includes the captured image 302 and the simulation image 334. The simulation image 334 shows the electric field strength that simulates the electric field strength of the received radio wave from the base station 34, and is illustrated as a hatching image with a diagonal line to the right. The display shown in FIG. 8 indicates that the radio wave from the base station 32 has not arrived at the position of the imaging unit 102 when the captured image 302 is taken, and only the radio wave from the base station 34 has arrived. The user can be made aware.

  FIG. 9 illustrates a case where the image 310 includes the captured image 302 and the electric field strength image 314, and the image 330 includes the captured image 302 and the simulation image 334. When the electric field strength image 314 in FIG. 9 is compared with the electric field strength image 314 in FIG. 8, the electric field strength image 314 in FIG. 9 has a higher density of diagonal lines rising to the right. It can be made to grasp | ascertain that the electric field strength became stronger than the position which imaged 302. FIG.

  Also, in FIG. 9, when the electric field intensity image 314 and the simulation image 334 are compared, the electric field intensity image 314 has a higher density of right-down diagonal lines. This makes it possible for the user to grasp that is stronger.

  The display unit 214 may intermittently display the display data 300 shown in FIGS. Further, the display unit 214 may continuously display the display data 300 shown in FIGS. In addition, when the captured image stored in the storage unit 204 is a moving image, the display unit 214 may display a moving image including the display data 300 illustrated in FIGS. The user who has viewed the display data shown in FIGS. 6 to 9 can recognize that the intensity of the radio wave transmitted by the base station 34 is higher than that of the simulation data, for example. Therefore, the material which considers the setting regarding the electromagnetic wave of the base station 34 can be provided to the user.

  Note that the display ratios of the images 310, 320, and 330 are merely examples, and may be different ratios. The display sizes of the images 310, 320, and 330 may be variable. When the display data generation unit 212 receives an instruction to change the display size of the image 310 or the image 330, the density of an arbitrary pattern included in the hatched image is determined for the electric field intensity images 312, 314 and the simulation images 332, 334. The display size may be changed while maintaining.

  FIG. 10 schematically shows another example of the image 310. An image 310 in FIG. 10 includes a captured image 302, an indicator image 342, and an indicator image 344. Indicator image 342 and indicator image 344 are overlaid on captured image 302. The indicator image 342 shows the electric field strength of the received radio wave received from the base station 32. Indicator image 344 shows the electric field strength of the received radio wave received from base station 34.

  As described above, the display data generation unit 212 generates display data for displaying an indicator image in a different display area for each of the plurality of base stations, thereby facilitating comparison of the electric field strength for each of the plurality of base stations. it can. Note that the display data generation unit 212 may generate an image 330 including an indicator image, similar to the image 310 in FIG.

  FIG. 11 schematically shows another example of the image 310. An image 310 in FIG. 11 includes a captured image 302 in which the clarity is changed according to the electric field strength. The display data generation unit 212 may change the clarity of the captured image 302 according to the electric field strength of the received radio wave at the position of the imaging unit 102 when the captured image 302 is captured. For example, the display data generation unit 212 may lower the clarity of the captured image 302 as the electric field strength is weaker. Thereby, the user can intuitively grasp the strength of the electric field strength.

  When the measurement apparatus 100 receives radio waves from a plurality of base stations when the captured image 302 is captured, the display data generation unit 212 displays the captured images 302 with different clarity for each of the plurality of base stations. May be generated. In addition, although the example which changes a clarity by applying the blurring process with respect to the captured image 302 is given in FIG. 11, it is not restricted to this. The clarity may be changed by applying other image processing such as mosaic processing.

  The display data generation unit 212 may generate the image 330 including the captured image 302 with the clarity changed according to the simulation data, like the image 310 in FIG.

  FIG. 12 schematically shows a hardware configuration of the data generation device 200. The data generation apparatus 200 includes a host controller 402, a CPU 404, a RAM 406, an input / output controller 408, a ROM 410, a communication interface 412, and a display 414. The host controller 402 connects the RAM 406 and the CPU 404 that accesses the RAM 406. The CPU 404 operates based on programs stored in the ROM 410 and the RAM 406 to control each unit. The input / output controller 408 connects the host controller 402 to the ROM 410, the communication interface 412, and the display 414. The display 414 may be an example of the display unit 214.

  A program installed and executed in the data generation apparatus 200 works on the CPU 404 and the like, and the data generation apparatus 200 has been described with reference to FIGS. 1 to 11. The reception unit 202, storage unit 204, captured image acquisition unit 206, position The information acquisition unit 208, the radio wave quality acquisition unit 210, the display data generation unit 212, the display unit 214, the simulation data generation unit 216, the simulation data acquisition unit 218, and the control unit 220 function.

  In the present embodiment, the example in which the imaging unit 102 captures a still image every predetermined time has been described, but the present invention is not limited thereto. When the receiving unit 108 continuously receives radio waves and the electric field strength measuring unit 110 continuously measures the electric field strength, and the electric field strength under measurement shows a change exceeding a predetermined threshold, the imaging unit 102 may capture a still image.

  In the present embodiment, the case where the imaging unit 102 is a digital camera has been described as an example, but the imaging unit 102 may include a panning function. The storage unit 112 may further include an imaging direction as measurement data. When the measurement data includes the imaging direction, the display data generation unit 212 may reflect the imaging direction in the display data 300. The imaging unit 102 may be an all-sky camera.

  In the present embodiment, the simulation data generation unit 216 has been described with an example in which the electric field strength for each base station and each position is calculated. However, the electric field strength for each time may be further calculated. For example, the simulation data generation unit 216 may calculate the electric field strength including objects that vary with time such as the number of people at each position. When the simulation data generation unit 216 calculates the electric field strength at each time, the display data generation unit 212 may generate an image 330 that reflects the electric field strength at each time.

  In the present embodiment, the case where the display data generated by the display data generation unit 212 includes the images 310, 320, and 330 has been described as an example, but the present invention is not limited thereto. The display data generation unit 212 may generate display data including only the image 310, and may generate display data including the image 310 and the image 320 or the image 330.

  In the present embodiment, the hatching image, the color image, and the indicator image are described as examples of the display mode of the image indicating the electric field strength and the simulation image. However, the display mode to be used is determined according to a user instruction. Good. Further, when the radio wave quality acquisition unit 210 acquires the electric field strength for each of a plurality of base stations, the display data generation unit 212 may determine the display mode according to the number of base stations. For example, the display data generation unit 212 uses a hatching image as a display mode when the number of base stations is two or less, and uses an indicator image as a display mode when the number of base stations is three or more. good. Thereby, the display data 300 suitable for the number of base stations can be generated.

  In the present embodiment, the radio wave quality acquisition unit 210 acquires the electric field strength of the received radio wave, and the display data generation unit 212 generates display data for displaying an image indicating the electric field strength superimposed on the captured image. Although the example to do was mainly demonstrated, it is not restricted to this. The radio wave quality acquisition unit 110 may acquire a so-called S / N ratio as a radio wave quality obtained by taking a ratio between a received radio wave signal and noise. Further, the radio wave quality acquisition unit 110 may acquire Reference Signal Received Quality (reference signal reception quality) or Reference Signal Received Power (reference signal reception power) as the radio wave quality. The radio wave quality acquisition unit 110 may acquire radio wave quality from at least one of PSC (Primary Scrambling Code) and PCI (Physical Cell Identifier). Then, the display data generation unit 212 displays an image indicating the radio wave quality indicated by at least one of the S / N ratio, Reference Signal Received Quality, Reference Signal Received Power, PSC, and PCI on the captured image. Display data may be generated.

  Further, in the present embodiment, the case where the display data 300 generated by the display data generation unit 212 is displayed on the display unit 214 has been described as an example, but the present invention is not limited thereto. The data generation device 200 may transmit the display data generated by the display data generation unit 212 to the measurement device 100 and display the display data on a display (not shown) included in the measurement device 100. Thereby, for example, the user who has the measuring apparatus 100 can proceed with the measurement of the electric field strength and the imaging operation of the captured image while confirming the display data. In this case, the measuring apparatus 100 may be a communication terminal such as a mobile phone.

  In the present embodiment, the case where the measurement apparatus 100 and the data generation apparatus 200 are separate has been described as an example, but the present invention is not limited thereto. The data generation device 200 may have the function of the measurement device 100. For example, the data generation device 200 may be mounted on an automobile and moved to execute reception of radio waves, imaging of a captured image, measurement of electric field strength, and generation of display data. Thereby, for example, the user who possesses the data generation device 200 can proceed with the measurement of the electric field strength and the imaging operation of the captured image while confirming the display data. In this case, the data generation device 200 may be a communication terminal such as a mobile phone.

  As mentioned above, although this invention was demonstrated using embodiment, the technical scope of this invention is not limited to the range as described in the said embodiment. It will be apparent to those skilled in the art that various modifications or improvements can be added to the above-described embodiment. It is apparent from the description of the scope of claims that embodiments with such changes or improvements can be included in the technical scope of the present invention.

  The order of execution of each process such as operations, procedures, steps, and stages in the apparatus, system, program, and method shown in the claims, the description, and the drawings is particularly “before” or “prior to”. It should be noted that it can be realized in any order unless the output of the previous process is used in the subsequent process. Regarding the operation flow in the claims, the description, and the drawings, even if it is described using “first”, “next”, etc. for convenience, it means that it is essential to carry out in this order. It is not a thing.

10 radio wave condition measurement system, 20 communication network, 32, 34 base station, 36, 38 communication area, 100 measuring device, 102 imaging unit, 104 time information acquisition unit, 106 position measurement unit, 108 reception unit, 110 radio wave quality acquisition unit , 112 storage unit, 114 transmission unit, 116 power reception unit, 200 data generation device, 202 reception unit, 204 storage unit, 206 captured image acquisition unit, 208 position information acquisition unit, 210 radio wave quality acquisition unit, 212 display data generation unit , 214 Display unit, 216 Simulation data generation unit, 218 Simulation data acquisition unit, 220 Control unit, 230 Measurement data table, 240 Simulation data table, 300 Display data, 302 Captured image, 310 image, 312 Field strength image, 314 Field strength Image, 320 image, 322 base station image, 324 base station image, 326 measuring device image, 328 moving path image, 330 image, 332 simulation image, 334 simulation image, 342 indicator image, 344 indicator image, 402 host controller, 404 CPU , 406 RAM, 408 input / output controller, 410 ROM, 412 communication interface, 414 display

Claims (9)

A captured image acquisition unit that acquires a captured image captured by the imaging unit;
A radio wave quality acquisition unit that acquires radio wave quality of a received radio wave at the position of the imaging unit when the imaging unit captures the captured image;
A simulation data acquisition unit for acquiring simulation data of radio wave quality of received radio waves at the position of the imaging unit;
An information processing apparatus comprising: a display data generation unit that generates display data for displaying the simulation data together with an image obtained by superimposing an image indicating the radio wave quality on the captured image. The simulation data acquisition unit derives the simulation data based on the surrounding environment information related to the surrounding environment at the position of the imaging unit.
The information processing apparatus according to claim 1. The display data generation unit generates display data for displaying an image in which the image indicating the radio wave quality is superimposed on the captured image and an image in which the image indicating the simulation data is superimposed on the captured image. The information processing apparatus according to claim 1 or 2. 4. The display data generation unit according to claim 1, wherein the display data generation unit generates the display data so that the clarity of the captured image decreases as the radio wave quality acquired by the radio wave quality acquisition unit decreases. Information processing device. A captured image acquisition unit that acquires a captured image captured by the imaging unit;
A radio wave quality acquisition unit that acquires radio wave quality of a received radio wave at the position of the imaging unit when the imaging unit captures the captured image;
A display data generation unit that generates display data for displaying an image indicating the radio wave quality superimposed on the captured image, wherein the lower the radio wave quality acquired by the radio wave quality acquisition unit, A display data generation unit that generates the display data as much as possible to achieve low clarity;
An information processing apparatus comprising: The radio wave quality acquisition unit acquires the radio wave quality of each received radio wave received from each of a plurality of base stations at the position of the imaging unit,
The display data generation unit generates display data for displaying an image indicating radio wave quality of received radio waves received from each of the plurality of base stations so as to be superimposed on the captured image. The information processing apparatus according to claim 1. The display data generation unit generates display data for displaying a plurality of images, each of which indicates radio wave quality of received radio waves received from each of the plurality of base stations, overlaid on the captured image,
The information processing apparatus according to claim 6 , wherein the plurality of images indicate the radio wave quality in a display mode that is different for each of the plurality of base stations. The information processing apparatus according to claim 7 , wherein the different display modes are different in at least one of a color, hatching, and a display area. A program for causing a computer to function as the information processing apparatus according to any one of claims 1 to 8 .