JP5907546B2 - POSITION INFORMATION ANALYSIS DEVICE, POSITION INFORMATION ANALYSIS METHOD, POSITION INFORMATION ANALYSIS SYSTEM, AND PROGRAM - Google Patents

Description

  The present invention relates to a position information analysis device, a position information analysis method, a position information analysis system, and a program.

  In recent years, a technology related to a wireless IC tag has attracted attention as a technology in the information communication field. As the name suggests, a wireless IC tag is a “tag” that communicates information held in an “IC” chip using “wireless”. Wireless IC tags are still used on a daily basis in various forms, such as prepaid cards, distribution tags, and anti-theft chips, and are indispensable technologies in the future as ubiquitous society develops. is there.

  As this type of technology, the technology described in Patent Document 1 (Japanese Patent Laid-Open No. 2006-318313) is based on position information obtained by attaching a wireless IC tag to an article and analyzing a wireless signal received from the wireless IC tag. This is a crime prevention system that determines whether or not there is an article within a designated area. In this security system, when it is determined that the article is outside the designated area, the movement direction of the article is estimated based on the history of the position information of the article, and the security camera to be photographed is identified based on the movement direction. can do.

  In addition, as a technique of this type, the technique described in Patent Document 2 (Japanese Patent Laid-Open No. 2006-268748) is configured such that an optical marker holding information that is optically distinguishable from a wireless IC tag is integrally arranged. This is a composite marker configured as described above. A system that acquires information using this composite marker can switch between information acquired from an IC tag and information acquired from an optical marker at an appropriate timing.

JP 2006-318313 A JP 2006-268748 A

  However, the above technique has room for improvement in the following points. The technology described in Patent Document 1 analyzes the wireless signal received from the wireless IC tag to obtain the position information of the article. However, there is an upper limit in the analysis accuracy due to the characteristics of the wireless signal, and higher analysis accuracy is required. The case could not be handled.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a position information analysis apparatus, a position information analysis method, and a position information analysis system capable of analyzing the position information of a wireless IC tag with high accuracy. And providing the program.

According to the present invention, wireless communication is performed between an optically distinguishable marker and an identification tag that integrally includes an IC tag that transmits IC information by wireless communication, and the IC information is transmitted from the IC tag. Wireless communication means for receiving a wireless signal, image acquisition means for acquiring image data indicating all or part of an area in which the wireless communication means can communicate with the identification tag, and the marker included in the image data Image analysis means for identifying the position of the marker by analyzing the position of the image, generating detailed position information indicating the position of the identified marker, and obtaining the detailed position information as position information of the identification tag; By analyzing the radio signal received by the radio communication means, the radio signal analysis area including the position of the IC tag is specified, and the radio signal for generating simple position information indicating the radio signal analysis area is generated. Comprising analyzing means, an image acquisition unit acquires the simplified position image data of the radio signal analysis region as image data, the image analysis means, by analyzing a simple position image data, generating a detailed position information A position information analyzing apparatus is provided, in which the simple range image data has an imaging range controlled based on simple location information .

In addition, according to the present invention, wireless communication is performed between an optically distinguishable marker and an identification tag that integrally includes an IC tag that transmits IC information by wireless communication. A reception step of receiving a wireless signal including information; an image acquisition step of acquiring image data indicating all or part of an area communicable with the identification tag in the reception step; and the marker included in the image data An image analysis step of identifying the position of the marker by analyzing the position of the image, generating detailed position information indicating the position of the identified marker, and obtaining the detailed position information as position information of the identification tag; by analyzing the radio signal received by the receiving step, specifying a radio signal analysis region including the position of the IC tag, the simple position information indicating a radio signal analysis region And a radio signal analyzing step of generating an image acquisition step, and controlled on the basis of the imaging range of the simplified position image data of the radio signal analysis region easily position information, the simple position image data to which the imaging range is controlled Is obtained as image data, and in the image analysis step, detailed position information is generated by analyzing the simplified position image data .

Furthermore, according to the present invention, an identification tag integrally including an optically identifiable marker and an IC tag that transmits IC information by wireless communication, and a position information analysis device that obtains position information of the identification tag And the position information analyzing apparatus wirelessly communicates with the identification tag and receives a wireless signal including the IC information from the IC tag, and the wireless communication means includes the identification tag. Image acquisition means for acquiring image data indicating all or part of a region communicable with the image, and the position of the marker is identified by analyzing the position of the image of the marker included in the image data. generates detailed position information indicating a position of the marker, the image analysis means for determining the detailed position information as the position information of the identification tag, analyzing the radio signal by the wireless communication means receives child Accordingly, to identify the radio signal analysis region including the position of the IC tag, seen including a radio signal analyzing means for generating a simple position information indicating a radio signal analysis region, the image obtaining means, simple location of the wireless signal analysis region The imaging range of the image data is controlled based on the simple position information, the simple position image data in which the imaging range is controlled is acquired as image data, and the image analysis unit analyzes the simple position image data to obtain a detailed position. A position information analysis system characterized by generating information is provided.

Furthermore, according to the present invention, an identification program that is stored in a computer-readable storage medium and integrally includes an optically identifiable marker and an IC tag that transmits IC information by wireless communication. A receiving process for wirelessly communicating with a tag and receiving a radio signal including the IC information from the IC tag; and image data indicating all or a part of an area communicable with the identification tag in the receiving process. The image acquisition process to be acquired, the position of the marker is identified by analyzing the position of the image of the marker included in the image data, detailed position information indicating the position of the identified marker is generated, and the details and an image analysis processing to obtain the position information as the position information of the identification tag, by analyzing the radio signal by the wireless communication unit receives a radio signal containing the position of the IC tag Identify析領region, a radio signal analyzing means for generating a simple position information indicating a radio signal analysis region, cause the computer to execute an image acquisition process, a simple position an imaging range of the simplified position image data of the radio signal analysis region Control based on the information, acquiring the simple position image data in which the imaging range is controlled as image data, and the image analysis processing generates the detailed position information by analyzing the simple position image data. A program is provided.

  In the above invention, the marker is optically identified from the image data indicating the communicable area, and the detailed position information obtained by analyzing the position information of the marker is obtained as the position information of the identification tag. Therefore, it is possible to obtain position information with higher accuracy than the position information obtained in this way. In the above invention, the image analysis processing is performed by acquiring only the image data of the area where the wireless communication unit and the IC tag can communicate, so that the load of the image analysis processing is more than the position information analysis by the normal image analysis processing. It is reduced.

  According to the present invention, a position information analysis apparatus, a position information analysis method, a position information analysis system, and a program thereof that can analyze position information of a wireless IC tag with high accuracy are provided.

It is a block diagram of the positional information analysis system of the 1st Embodiment of this invention. It is an external view of the identification tag of this invention. It is a general-view figure of the positional information analysis system of this invention. It is a flowchart of the positional information analysis method in the 1st Embodiment of this invention. It is a block diagram of the positional information analysis system of the 2nd Embodiment of this invention. It is a flowchart of the positional information analysis method in the 2nd Embodiment of this invention.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In all the drawings, the same reference numerals are given to the same components, and the description will be omitted as appropriate.

[First Embodiment]
FIG. 1 is a block diagram of the position information analysis system of this embodiment. The position information analysis system 1 includes an identification tag 20 that integrally includes an optically identifiable marker 21, an IC tag 22 that transmits IC information by wireless communication, and position information for obtaining position information of the identification tag 20. And an analysis device 10. The position information analysis device 10 includes a wireless communication unit 111 that wirelessly communicates with the identification tag 20 and receives a wireless signal including IC information from the IC tag 22. In addition, the position information analysis apparatus 10 includes an image acquisition unit 113 that acquires image data indicating all or part of an area where the wireless communication unit 111 can communicate with the identification tag 20. Further, the position information analyzing apparatus 10 identifies the position of the marker 21 by analyzing the position of the image of the marker 21 included in the image data, generates detailed position information indicating the position of the identified marker 21, and details An image analysis unit 114 that obtains position information as position information of the identification tag 20 is included.

  Here, the position information (detailed position information) of the identification tag 20 may be obtained as a partial area included in an area in which the position information analyzing apparatus 10 can perform wireless communication. Further, the position information of the identification tag 20 may be obtained as a coordinate point.

  The positional information analysis system 1 may include at least one antenna unit 30 that receives a radio signal, and may include at least one imaging unit 40 that captures an image and generates image data. The antenna unit 30 and the imaging unit 40 may be electrically connected to the information processing unit 11 and can exchange information. The wireless communication unit 111 may receive a wireless signal via the antenna unit 30, and the image acquisition unit 113 may acquire the image data generated by the imaging unit 40.

  All or part of the configuration included in the information processing unit 11 may be realized by hardware, or may be realized by a program (or program code) that causes a processor to execute processing. The processor reads and executes the program from a recording medium such as a nonvolatile memory. In the present embodiment, the processor may be the information processing unit 11, and the storage medium may be the storage unit 12.

  When the configuration included in the information processing unit 11 is implemented by a program, the program is stored in a processor (computer) readable storage medium. The program wirelessly communicates between the optically identifiable marker 21 and the identification tag 20 that integrally includes the IC tag 22 that transmits IC information by wireless communication. You may make a processor (computer) perform the reception process which receives the radio signal containing information. Further, the program may cause the processor (computer) to execute an image acquisition process for acquiring image data indicating all or a part of the area communicable with the identification tag 20 in the reception process. In addition, the program identifies the position of the marker 21 by analyzing the position of the image of the marker 21 included in the image data, generates detailed position information indicating the position of the identified marker 21, and stores the detailed position information. You may make a processor (computer) perform the image analysis process calculated | required as the positional information on the identification tag 20. FIG.

  In the present embodiment, it is assumed that one identification tag 20 is arranged in an area where the position information analyzing apparatus 10 can communicate.

  FIG. 2 is an external view of the identification tag 20. As long as the marker 21 is optically identifiable, the shape of the marker 21 may be any of a picture, a symbol, and a character. Further, the IC tag 22 may use any frequency band of a signal as long as it can wirelessly communicate with the position information analysis apparatus 10.

  FIG. 3 is an overview diagram of the position information analysis system 1. An area 31 indicates an area where the position information analyzing apparatus 10 can wirelessly communicate with the identification tag 20 via the antenna unit 30. An area 32 indicates an area that can be imaged by the imaging unit 40. The area 33 is an area indicated by position information (simple position information) obtained by analyzing a radio signal received by the position information analysis apparatus 10 (wireless communication unit 111) via the antenna unit 30. The area 34 is an area indicated by position information (detailed position information) obtained by analyzing image data generated by the imaging unit 40.

  Since the position analysis by image analysis is more accurate than the position analysis by wireless signal analysis, the area 34 indicated by the detailed position information is narrower than the area 33 indicated by the simple position information as shown in FIG.

  Further, the position information analysis device 10 analyzes the wireless signal received by the wireless communication unit 111, identifies the wireless signal analysis area including the position of the IC tag, and generates simple position information indicating the wireless signal analysis area. A wireless signal analysis unit 112 may be provided. In this case, the image acquisition unit 113 may acquire the simple position image data in the wireless signal analysis region as image data based on the simple position information. Then, the image analysis unit 114 may generate detailed position information by analyzing the simple position image data. Note that the wireless signal analysis unit 112 may also be included in the information processing unit 11.

  This further reduces the amount of image data processed by the image analysis unit 114, further reducing the processing load on the image analysis unit 114.

  Note that the radio signal analysis unit 112 may obtain simple position information by analyzing the position information of the antenna unit 30 connected to the radio communication unit 111, the directivity of the antenna unit 30, or the signal strength of the received radio signal. .

  Any method may be used for the image acquisition unit 113 to acquire the simple position image data of the wireless signal analysis region (area 33).

  For example, the image acquisition unit 113 controls the region captured by the imaging unit 40 that captures an image and generates image data based on the simple position information, thereby causing the imaging unit 40 to generate the simple position image data and the imaging unit. Simple position image data may be acquired from 40.

  The image acquisition unit 113 acquires the entire image data indicating the entire area that can be captured by the imaging unit 40 that captures an image and generates image data, and trims the entire image data based on the simplified position information. Position image data may be acquired.

  The position information analyzer 10 can obtain the position information of the identification tag 20 with high accuracy by the above-described components. In the present embodiment, the following modifications can be applied.

  The position information analysis apparatus 10 may further include a storage unit 12 that stores the detailed position information in association with the generation timing at which the image data is generated. At this time, when a plurality of detailed position information having different generation timings are stored in the storage unit 12, the position information analysis apparatus 10 performs identification by analyzing the plurality of detailed position information using each generation timing. You may provide the moving direction analysis part 115 which produces | generates the moving direction information which shows the moving direction of the tag 20. FIG. Note that the moving direction analysis unit 115 may also be included in the information processing unit 11.

  As a result, the position information analyzing apparatus 10 can generate the moving direction information of the identification tag 20, so that the position of the identification tag 20 can be traced.

  The generation timing may be any information that represents the image data generated by the imaging unit 40 in time series. For example, it may be the time when the image capturing unit 40 generates image data, or may be a sequence number (such as a frame number) assigned to the image data in the order in which the image data is generated.

  Note that the position information analysis device 10 of this embodiment does not necessarily include the wireless signal analysis unit 112. Further, the position information analysis apparatus 10 of the present embodiment does not necessarily include the storage unit 12 or the movement direction analysis unit 115.

  FIG. 4 is a flowchart of the position information analysis method according to this embodiment. The position information analysis method of the present embodiment wirelessly communicates between an identification tag 20 that integrally includes an optically identifiable marker 21 and an IC tag 22 that transmits IC information by wireless communication. You may provide the receiving step (step S101) which receives the radio signal containing IC information from the tag 22. FIG. In addition, the position information analysis method may include an image acquisition step (step S103) of acquiring image data indicating all or part of the area communicable with the identification tag 20 in the reception step (step S101). Further, this position information analysis method identifies the position of the marker 21 by analyzing the position of the image of the marker 21 included in the image data, generates detailed position information indicating the position of the identified marker 21, and details An image analysis step (step S104) for obtaining the position information as the position information of the identification tag 20.

  In addition, this position information analysis method identifies the wireless signal analysis region including the position of the IC tag 22 by analyzing the wireless signal received in the reception step (step S101), and the simplified position indicating the wireless signal analysis region. A radio signal analyzing step (step S102) for generating information may be provided. In this case, the image acquisition step (step S103) may acquire simple position image data in the wireless signal analysis region as image data based on the simple position information. In the image analysis step (step S104), detailed position information may be generated by analyzing the simple position image data.

  At this time, in the image acquisition step (step S103), the image capturing unit 40 that generates the image data controls the area captured by the image capturing unit 40 based on the simple position information, thereby causing the image capturing unit 40 to generate the simple position image data and image capturing. Simple position image data may be acquired from the unit 40. Alternatively, in the image acquisition step (step S103), the entire image data indicating the entire area that can be imaged by the imaging unit 40 that captures an image and generates image data is acquired, and the entire image data is trimmed based on the simple position information. By doing so, simple position image data may be acquired.

  In the wireless signal analyzing step (step S102), the positional information of the antenna unit 30 used in the receiving step (step S102), the directivity of the antenna unit 30, or the signal strength of the received wireless signal is analyzed to obtain simplified positional information. You may ask for.

  Further, this positional information analysis method includes a positional information storage step (step S106) in which the detailed positional information is stored in the storage unit 12 in association with the generation timing at which the image data is generated, and a plurality of details having different generation timings from each other. When the position information is stored in the storage unit 12 (YES in step S107), the moving direction information indicating the moving direction of the identification tag 20 is generated by analyzing the plurality of detailed position information using the respective generation timings. A moving direction analyzing step (step S108).

  Further, in this position information analysis method, when a plurality of detailed position information having different generation timings are not stored in the storage unit 12 (NO in step S107), the position information analysis is terminated without obtaining the moving direction information. Also good.

  Further, in this position information analysis method, when the position information of the marker can be analyzed from the image data in the image analysis step (step S104) (YES in step S105), the process proceeds to the position information storage step (step S106). Also good. On the other hand, in the position information analysis method of the present embodiment, in the image analysis step (step S104), the marker position information is detected from the image data because the marker cannot be detected from the image data or a plurality of markers are detected. Cannot be analyzed (NO in step S105), the legitimate position information analysis cannot be performed, so the image data may be discarded and the position information analysis may be terminated.

  Note that the position information analysis method of the present embodiment does not necessarily include the radio signal analysis step (step S102). Further, this position information analysis method does not necessarily include the position information storage step (step S106) or the moving direction analysis step (step S108).

  Here, the effect of the positional information analysis system 1 of this embodiment will be described. Since the position information analysis system 1 of the present embodiment obtains the position information of the identification tag 20 by image analysis, it can obtain more detailed position information than the position information obtained by analysis of the radio signal.

  In addition, the position information analysis system 1 of the present embodiment performs image analysis processing by acquiring all or part of image data in a region where the position information analysis apparatus 10 and the IC tag 22 can communicate with each other. The load of the image analysis process is reduced as compared with the position information analysis by the analysis process.

  Furthermore, since the position information analysis system 1 of the present embodiment may acquire image data of a limited area based on the position information of the IC tag 22 obtained by analyzing the radio signal, the processing load of image analysis is reduced. It can also be reduced.

  Further, the position information analysis system 1 of the present embodiment may generate the moving direction information of the identification tag 20 by analyzing based on a plurality of detailed position information having different generation timings. You can also trace.

[Second Embodiment]
FIG. 5 is a block diagram of the position information analysis system of this embodiment. In the present embodiment, it is assumed that a plurality of identification tags 20 are arranged in an area where the position information analyzing apparatus 10 can perform wireless communication.

  In the position information analysis system 1 of the present embodiment, among the plurality of identification tags 20, the identification tag 20 a and the identification tag 20 b are imaged by the imaging unit 40 and are in wireless communication with the position information analysis apparatus 10. The identification tag 20a has a marker 21a and an IC tag 22a, and the identification tag 20b has a marker 21b and an IC tag 22b.

  Here, it is assumed that position information of the identification tag 20a among the plurality of identification tags 20 is analyzed. In the present embodiment, in order to analyze the position information of the identification tag 20a, identification information for specifying the identification tag 20a is required. Therefore, the identification number of the identification tag 20a may be included in the IC information transmitted by the IC tag 22a. At this time, when the wireless communication unit 111 receives a plurality of wireless signals including IC information, the position information analyzing apparatus 10 selects a wireless signal including IC information including the identification number of the identification tag 20a. 116, the radio signal analysis unit 112 may analyze the radio signal selected by the radio signal selection unit 116. Note that the wireless signal selection unit 116 may also be included in the information processing unit 11.

  As a result, even if there are a plurality of identification tags 20 in an area where the position information analysis device 10 can communicate wirelessly, the position information analysis device 10 specifies and specifies one of the plurality of identification tags 20. The position information of the identification tag 20 can be obtained.

  Further, the radio signal selection unit 116 may select a radio signal with high signal strength when there are a plurality of radio signals including IC information including the same identification number.

  As a result, even if the position information analyzing apparatus 10 receives a plurality of radio signals including the same identification number in an environment where a plurality of antenna units 30 exist, the position information analyzing apparatus 10 obtains the position information of the identification tag 20. be able to.

  In this embodiment, the storage unit 12 stores an identification number in association with detailed position information and generation timing, and the moving direction analysis unit 115 has a plurality of details that are associated with the same identification number and have different generation timings. When the position information is stored in the storage unit 12, a plurality of detailed position information may be analyzed using each generation timing to generate movement direction information.

  Note that the position information analysis apparatus 10 of the present embodiment does not necessarily include the storage unit 12 or the movement direction analysis unit 115 as in the first embodiment.

  FIG. 6 is a flowchart of the position information analysis method according to this embodiment. The position information analysis method of this embodiment is a position information analysis method when the identification number of the identification tag 20 is included in the IC information transmitted by the IC tag 22. Steps S201 and S204 to S206 in the flowchart shown in FIG. 6 are the same as the processes executed in steps S101 and S103 to S105 in the flowchart shown in FIG.

  In the position information analysis method of the present embodiment, the following steps are further added. That is, when a plurality of radio signals including IC information are received in the reception step (step S201), a radio signal selection step (step S202) for selecting a radio signal including IC information in which the identification number of the predetermined identification tag 20 is included. The radio signal analyzing step (step S203) may analyze the radio signal selected in the radio signal selecting step (step S202).

  The radio signal selection step (step S202) may select a radio signal with high signal strength when there are a plurality of radio signals including IC information including the same identification number.

  Further, the position information storage step (step S207) stores the detailed position information and the generation timing in association with the identification number, and the movement direction analysis step (step S209) is associated with the same identification number and generates the generation timing. When a plurality of detailed position information with different values are stored in the storage unit 12 (YES in step S208), the plurality of detailed position information may be analyzed using respective generation timings to generate movement direction information.

  When a plurality of detailed position information associated with the same identification number and having different generation timings are not stored in the storage unit 12 (NO in step S208), the position information analysis is terminated without obtaining the moving direction information. Also good.

  Note that the position information analysis method of the present embodiment does not necessarily include the position information storage step (step S207) or the movement direction analysis step (step S209).

  The effect of the positional information analysis system 1 of this embodiment will be described. The position information analysis system 1 according to the present embodiment is capable of identifying the communication partner's identification tag based on the identification number included in the IC information, even if there are a plurality of identification tags 20 in an area where the position information analysis apparatus 10 can wirelessly communicate. 20 can be specified, and position information of the specified identification tag 20 can be obtained.

  In addition, the positional information analysis system 1 according to the present embodiment allows the wireless signal necessary for the analysis based on the signal strength of the received wireless signal even if the positional information analysis apparatus 10 receives a plurality of wireless signals including the same identification number. The position information of the identification tag 20 can be obtained using the selected radio signal.

  As mentioned above, although embodiment of this invention was described with reference to drawings, these are the illustrations of this invention, Various structures other than the above are also employable.

  For example, in the first embodiment and the second embodiment, the antenna unit 30 and the imaging unit 40 are configured to be installed outside the position information analysis device 10, but the position information analysis device 10 is configured by the antenna unit 30. In addition, at least one of the imaging unit 40 may be provided.

  Further, in the first embodiment and the second embodiment, the position information analysis apparatus 10 may not include the movement direction analysis unit 115. At this time, the position information analysis device 10 can obtain the position information of the identification tag 20 with high accuracy. In this case, the storage unit 12 may not store the detailed position information in association with the generation timing at which the image data is generated.

  Furthermore, in the first embodiment, the position information analysis apparatus 10 includes the wireless signal analysis unit 112. However, the position information analysis apparatus 10 may be configured without this. At this time, the image acquisition unit 113 may acquire information indicating an area in which the antenna unit 30 that has received the wireless signal from the wireless communication unit 111 can perform wireless communication. And the image acquisition part 113 may acquire the image data which shows all or one part of the area | region which can communicate based on the acquired information.

  Furthermore, in the first embodiment, when the wireless signal analysis unit 112 is not provided and the wireless signal analysis step (step S102) is not executed, whichever of the reception step (step S101) and the image acquisition step (step S103) is performed first. May be processed in parallel, or may be processed in parallel.

  Needless to say, the above-described embodiment and a plurality of modifications can be combined within a range in which the contents do not conflict with each other. Moreover, although the functions and the like of each component have been specifically described in the above-described embodiments and modifications, the functions and the like can be changed in various ways within a range that satisfies the present invention.

The position information of the identification tag 20 obtained by the position information analysis device 10 is obtained by image analysis, regardless of which of the above-described embodiments is combined with the above-described embodiment, and thus the position obtained by analyzing a radio signal. Position information can be obtained with higher accuracy than information. Further, since the position information analysis apparatus 10 acquires all or part of the image data in the communicable area and performs the image analysis process, the load of the image analysis process is reduced as compared with the position information analysis by the normal image analysis process. Is done.
Hereinafter, examples of the reference form will be added.
1.
Wireless communication is performed between an optically identifiable marker and an identification tag integrally including an IC tag that transmits IC information by wireless communication, and a wireless signal including the IC information is received from the IC tag. Wireless communication means;
Image acquisition means for acquiring image data indicating all or part of an area where the wireless communication means can communicate with the identification tag;
The position of the marker is identified by analyzing the position of the image of the marker included in the image data, detailed position information indicating the position of the identified marker is generated, and the detailed position information is stored in the identification tag. Image analysis means for obtaining position information;
A position information analyzing apparatus comprising:
2.
1. In the position information analysis apparatus described in
Storage means for storing the detailed position information in association with the generation timing at which the image data is generated;
When a plurality of the detailed position information having different generation timings are stored in the storage unit, by analyzing the plurality of detailed position information using each of the generation timings, the moving direction of the identification tag is determined. Movement direction analysis means for generating movement direction information to be shown;
A position information analyzing apparatus comprising:
3.
1. Or 2. In the position information analysis apparatus described in
Radio signal analysis means for identifying the radio signal analysis area including the position of the IC tag by analyzing the radio signal received by the radio communication means and generating simple position information indicating the radio signal analysis area ,
The image acquisition means acquires the simple position image data of the wireless signal analysis region based on the simple position information as the image data,
The position information analysis apparatus characterized in that the image analysis means generates the detailed position information by analyzing the simplified position image data.
4).
3. In the position information analysis apparatus described in
The image acquisition unit causes the imaging unit to generate the simple position image data by controlling an area captured by the imaging unit that generates the image data based on the simple position information, and the imaging unit generates the simple position image data. A position information analyzing apparatus characterized by acquiring simple position image data.
5.
3. In the position information analysis apparatus described in
The image acquisition means acquires the whole image data indicating all the areas that can be imaged by the image pickup means for generating the image data, and trims the whole image data based on the simple position information, whereby the simple image data is obtained. A position information analyzing apparatus characterized by acquiring position image data.
6).
3. To 5. In the position information analysis apparatus according to any one of the following:
The wireless signal analyzing means analyzes the position information of the antenna means connected to the wireless communication means, the directivity of the antenna means, or the signal strength of the received wireless signal to obtain the simple position information. Location information analyzer.
7).
3. To 6. In the position information analysis apparatus according to any one of the following:
The identification number of the identification tag is included in the IC information,
When the wireless communication means receives a plurality of wireless signals including the IC information, the wireless communication means comprises a wireless signal selection means for selecting a wireless signal including IC information in which an identification number of a predetermined identification tag is included,
The radio signal analyzing means analyzes the radio signal selected by the radio signal selecting means.
8).
7). In the position information analysis apparatus described in
The position information analyzing apparatus, wherein the wireless signal selection means selects a wireless signal having a high signal strength when there are a plurality of wireless signals including IC information including the same identification number.
9.
2. Subordinate to Or 8. In the position information analysis apparatus described in
The storage means stores the identification number in association with the detailed position information and the generation timing,
The moving direction analyzing means generates a plurality of detailed position information when the plurality of detailed position information associated with the same identification number and having different generation timings are stored in the storage means. An apparatus for analyzing position information, which analyzes using timing and generates the moving direction information.
10.
Wireless communication is performed between an optically identifiable marker and an identification tag integrally including an IC tag that transmits IC information by wireless communication, and a wireless signal including the IC information is received from the IC tag. Receiving step;
An image acquisition step of acquiring image data indicating all or part of a region communicable with the identification tag in the reception step;
The position of the marker is identified by analyzing the position of the image of the marker included in the image data, detailed position information indicating the position of the identified marker is generated, and the detailed position information is stored in the identification tag. Image analysis step to obtain as position information;
A position information analysis method comprising:
11.
10. In the location information analysis method described in
A position information storage step for storing the detailed position information in a storage unit in association with a generation timing at which the image data is generated;
When a plurality of the detailed position information having different generation timings are stored in the storage unit, by analyzing the plurality of detailed position information using each of the generation timings, the moving direction of the identification tag is determined. A moving direction analyzing step for generating moving direction information indicating;
A position information analysis method comprising:
12
10. Or 11. In the location information analysis method described in
A radio signal analyzing step of identifying a radio signal analysis area including a position of the IC tag by analyzing the radio signal received in the receiving step and generating simple position information indicating the radio signal analysis area; ,
The image acquisition step acquires the simple position image data of the wireless signal analysis region based on the simple position information as the image data,
The image analysis step generates the detailed position information by analyzing the simplified position image data.
13.
12 In the location information analysis method described in
The image acquisition step controls the area captured by the imaging unit that generates the image data based on the simple position information, so that the imaging unit generates the simple position image data, and the imaging unit generates the simple position image data. A position information analysis method characterized by acquiring simple position image data.
14
12 In the location information analysis method described in
The image acquisition step acquires the entire image data indicating the entire area that can be imaged by the imaging unit that generates the image data, and trims the entire image data based on the simplified position information. A position information analysis method characterized by acquiring position image data.
15.
12 To 14. In the position information analysis method described in any one of the above,
The radio signal analyzing step analyzes the position information of the antenna means used in the receiving step, the directivity of the antenna means or the signal strength of the received radio signal, and obtains the simple position information. Information analysis method.
16.
12 To 15. In the position information analysis method described in any one of the above,
The identification number of the identification tag is included in the IC information,
A radio signal selection step of selecting a radio signal including IC information in which an identification number of a predetermined identification tag is included when receiving a plurality of radio signals including the IC information in the reception step;
The radio signal analysis step analyzes the radio signal selected in the radio signal selection step.
17.
16. In the location information analysis method described in
The radio signal selecting step selects a radio signal having a high signal strength when there are a plurality of radio signals including IC information including the same identification number.
18.
11. Dependent on 16. Or 17. In the location information analysis method described in
The location information storing step stores the identification number in association with the detailed location information and the generation timing,
The moving direction analyzing step generates a plurality of pieces of detailed position information when the plurality of pieces of detailed position information associated with the same identification number and having different generation timings are stored in the storage unit. A position information analysis method, characterized by analyzing using timing and generating the moving direction information.
19.
An identification tag integrally including an optically identifiable marker and an IC tag for transmitting IC information by wireless communication;
A position information analysis device for obtaining position information of the identification tag,
The position information analysis device
Wireless communication means for performing wireless communication with the identification tag and receiving a wireless signal including the IC information from the IC tag;
Image acquisition means for acquiring image data indicating all or part of an area where the wireless communication means can communicate with the identification tag;
The position of the marker is identified by analyzing the position of the image of the marker included in the image data, detailed position information indicating the position of the identified marker is generated, and the detailed position information is stored in the identification tag. Image analysis means for obtaining position information;
A position information analysis system characterized by comprising:
20.
A program stored in a computer-readable storage medium,
Wireless communication is performed between an optically identifiable marker and an identification tag integrally including an IC tag that transmits IC information by wireless communication, and a wireless signal including the IC information is received from the IC tag. Receive processing,
An image acquisition process for acquiring image data indicating all or part of an area that can communicate with the identification tag in the reception process;
The position of the marker is identified by analyzing the position of the image of the marker included in the image data, detailed position information indicating the position of the identified marker is generated, and the detailed position information is stored in the identification tag. Image analysis processing required as position information;
A program that causes a computer to execute.

DESCRIPTION OF SYMBOLS 1 Position information analysis system 10 Position information analysis apparatus 11 Information processing part 111 Wireless communication part 112 Radio signal analysis part 113 Image acquisition part 114 Image analysis part 115 Movement direction analysis part 116 Radio signal selection part 12 Storage part 20 Identification tag 20a Identification tag 20b Identification tag 21 Marker 21a Marker 21b Marker 31 Area 32 Area 33 Area 34 Area 22 IC tag 22a IC tag 22b IC tag 30 Antenna unit 40 Imaging unit

Claims (16)

Wireless communication is performed between an optically identifiable marker and an identification tag integrally including an IC tag that transmits IC information by wireless communication, and a wireless signal including the IC information is received from the IC tag. Wireless communication means;
Image acquisition means for acquiring image data indicating all or part of an area where the wireless communication means can communicate with the identification tag;
The position of the marker is identified by analyzing the position of the image of the marker included in the image data, detailed position information indicating the position of the identified marker is generated, and the detailed position information is stored in the identification tag. Image analysis means for obtaining position information;
By analyzing the wireless signal received by the wireless communication means, a wireless signal analysis area that includes a position of the IC tag is specified, and simple position information indicating the wireless signal analysis area is generated; With
The image acquisition means acquires the simple position image data of the wireless signal analysis region as the image data,
The image analysis means generates the detailed position information by analyzing the simplified position image data,
The simple position image data has an imaging range controlled based on the simple position information.
Location information analyzer. The position information analysis apparatus according to claim 1,
Storage means for storing the detailed position information in association with the generation timing at which the image data is generated;
When a plurality of the detailed position information having different generation timings are stored in the storage unit, by analyzing the plurality of detailed position information using each of the generation timings, the moving direction of the identification tag is determined. Movement direction analysis means for generating movement direction information to be shown;
A position information analyzing apparatus comprising: In the positional information analysis apparatus according to claim 1 or 2,
The image acquisition unit causes the imaging unit to generate the simple position image data by controlling an area captured by the imaging unit that generates the image data based on the simple position information, and the imaging unit generates the simple position image data. A position information analyzing apparatus characterized by acquiring simple position image data. In the positional information analysis apparatus in any one of Claims 1 thru | or 3 ,
The wireless signal analyzing means analyzes the position information of the antenna means connected to the wireless communication means, the directivity of the antenna means, or the signal strength of the received wireless signal to obtain the simple position information. Location information analyzer. In the positional information analysis apparatus in any one of Claims 1 thru | or 4 ,
The identification number of the identification tag is included in the IC information,
When the wireless communication means receives a plurality of wireless signals including the IC information, the wireless communication means comprises a wireless signal selection means for selecting a wireless signal including IC information in which an identification number of a predetermined identification tag is included,
The radio signal analyzing means analyzes the radio signal selected by the radio signal selecting means. In the positional information analysis device according to claim 5 ,
The position information analyzing apparatus, wherein the wireless signal selection means selects a wireless signal having a high signal strength when there are a plurality of wireless signals including IC information including the same identification number. In the positional information analysis apparatus according to claim 5 or 6 ,
Storage means for storing the detailed position information in association with the generation timing at which the image data is generated;
When a plurality of the detailed position information having different generation timings are stored in the storage unit, by analyzing the plurality of detailed position information using each of the generation timings, the moving direction of the identification tag is determined. Movement direction analysis means for generating movement direction information to be shown,
The storage means stores the identification number in association with the detailed position information and the generation timing,
The moving direction analyzing means generates a plurality of detailed position information when the plurality of detailed position information associated with the same identification number and having different generation timings are stored in the storage means. An apparatus for analyzing position information, which analyzes using timing and generates the moving direction information. Wireless communication is performed between an optically identifiable marker and an identification tag integrally including an IC tag that transmits IC information by wireless communication, and a wireless signal including the IC information is received from the IC tag. Receiving step;
An image acquisition step of acquiring image data indicating all or part of a region communicable with the identification tag in the reception step;
The position of the marker is identified by analyzing the position of the image of the marker included in the image data, detailed position information indicating the position of the identified marker is generated, and the detailed position information is stored in the identification tag. Image analysis step to obtain as position information;
Analyzing the radio signal received in the receiving step, identifying a radio signal analysis region including a position of the IC tag, and generating a simple position information indicating the radio signal analysis region; and With
The image acquisition step controls the imaging range of the simple position image data in the wireless signal analysis region based on the simple position information, acquires the simple position image data in which the imaging range is controlled as the image data,
The image analysis step generates the detailed position information by analyzing the simplified position image data. In the positional information analysis method according to claim 8 ,
A position information storage step for storing the detailed position information in a storage unit in association with a generation timing at which the image data is generated;
When a plurality of the detailed position information having different generation timings are stored in the storage unit, by analyzing the plurality of detailed position information using each of the generation timings, the moving direction of the identification tag is determined. A moving direction analyzing step for generating moving direction information indicating;
A position information analysis method comprising: In the positional information analysis method according to claim 8 or 9 ,
The image acquisition step controls the area captured by the imaging unit that generates the image data based on the simple position information, so that the imaging unit generates the simple position image data, and the imaging unit generates the simple position image data. A position information analysis method characterized by acquiring simple position image data. In the positional information analysis method in any one of Claims 8 thru | or 10 ,
The radio signal analyzing step analyzes the position information of the antenna means used in the receiving step, the directivity of the antenna means or the signal strength of the received radio signal, and obtains the simple position information. Information analysis method. The position information analysis method according to any one of claims 8 to 11 ,
The identification number of the identification tag is included in the IC information,
A radio signal selection step of selecting a radio signal including IC information in which an identification number of a predetermined identification tag is included when receiving a plurality of radio signals including the IC information in the reception step;
The radio signal analysis step analyzes the radio signal selected in the radio signal selection step. In the positional information analysis method according to claim 12 ,
The radio signal selecting step selects a radio signal having a high signal strength when there are a plurality of radio signals including IC information including the same identification number. In the positional information analysis method according to claim 12 or 13 ,
A position information storage step for storing the detailed position information in a storage unit in association with a generation timing at which the image data is generated;
When a plurality of the detailed position information having different generation timings are stored in the storage unit, by analyzing the plurality of detailed position information using each of the generation timings, the moving direction of the identification tag is determined. A moving direction analyzing step for generating moving direction information indicating,
The location information storing step stores the identification number in association with the detailed location information and the generation timing,
The moving direction analyzing step generates a plurality of pieces of detailed position information when the plurality of pieces of detailed position information associated with the same identification number and having different generation timings are stored in the storage unit. A position information analysis method, characterized by analyzing using timing and generating the moving direction information. An identification tag integrally including an optically identifiable marker and an IC tag for transmitting IC information by wireless communication;
A position information analysis device for obtaining position information of the identification tag,
The position information analysis device
Wireless communication means for performing wireless communication with the identification tag and receiving a wireless signal including the IC information from the IC tag;
Image acquisition means for acquiring image data indicating all or part of an area where the wireless communication means can communicate with the identification tag;
The position of the marker is identified by analyzing the position of the image of the marker included in the image data, detailed position information indicating the position of the identified marker is generated, and the detailed position information is stored in the identification tag. Image analysis means for obtaining position information;
By analyzing the wireless signal received by the wireless communication means, a wireless signal analysis area that includes a position of the IC tag is specified, and simple position information indicating the wireless signal analysis area is generated;
Including
The image acquisition means controls the imaging range of the simple position image data in the wireless signal analysis region based on the simple position information, acquires the simple position image data in which the imaging range is controlled as the image data,
The image analysis means generates the detailed position information by analyzing the simplified position image data. A program stored in a computer-readable storage medium,
Wireless communication is performed between an optically identifiable marker and an identification tag integrally including an IC tag that transmits IC information by wireless communication, and a wireless signal including the IC information is received from the IC tag. Receive processing,
An image acquisition process for acquiring image data indicating all or part of an area that can communicate with the identification tag in the reception process;
The position of the marker is identified by analyzing the position of the image of the marker included in the image data, detailed position information indicating the position of the identified marker is generated, and the detailed position information is stored in the identification tag. Image analysis processing required as position information;
By analyzing the radio signals it receives a wireless signal analysis processing to identify a radio signal analysis region, to produce a simple position information indicating the radio signal analysis region including the position of the IC tag,
To the computer,
The image acquisition process controls the imaging range of the simple position image data in the wireless signal analysis region based on the simple position information, acquires the simple position image data in which the imaging range is controlled as the image data,
The image analysis processing generates the detailed position information by analyzing the simplified position image data.

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