Location determination processing device and storage medium

• US 10,317,206 B2
• Filed: 07/23/2015
• Issued: 06/11/2019
• Est. Priority Date: 05/21/2013
• Status: Active Grant

• Current Assignee: Fujifilm Business Innovation Corp. (Fujifilm Holdings Corporation)
• Original Assignee: Fuji Xerox Company Limited (Xerox Holdings Corp.)
• Inventors: Yuzawa, Hideto, Takeuchi, Takayuki, Sato, Masahiro, Ichiboshi, Akira, Matsuda, Jiro, Ozeki, Shinobu
• Primary Examiner(s): Sun, Yu-Hsi D
• Application Number:
  US14/807,442
• Publication Number:
  US 20150330780A1
• Time in Patent Office: 1,419 Days
• CPC Class Codes: G01C 21/206 specially adapted for indoor navigation
• CPC Class Codes: G01C 5/06 by using barometric means
• CPC Class Codes: G01K 13/00 Thermometers specially adapted for specific purposes

Abstract

A location determination processing device includes: an accepting section as defined herein; an atmospheric pressure information accepting section as defined herein; a computation result accepting section as defined herein; an identification result accepting section as defined herein; a detection result accepting section as defined herein; a determination result accepting section as defined herein; a correcting section as defined herein; and an outputting section as defined herein.

Claims

1. A location determination device comprising:

at least one processor; and

a memory that stores a correspondence between levels within a building and an elevation of the respective levels within the building, wherein

the memory is coupled to the at least one processor, and

the at least one processor is configured to;

receive, from a first information processing device, reference information detected by one or more sensors of the mobile information processing device, the reference information including information related to atmospheric pressure, information related to temperature, and information related to altitude;

receive, from a second information processing device, which is a mobile device, information related to atmospheric pressure for a location where the second a-mobile information processing device exists;

compute an altitude of the second information processing device based on the reference information received from the first information processing device and the information related to atmospheric pressure received from the second information processing device;

identify, from the memory that stores the correspondence between the levels within the building and the elevation of the respective levels within the building, a level within the building corresponding to the computed altitude;

detect, based on an activity pattern of an owner of the second information processing device, a level in the building on which the owner is located;

determine whether a difference exists between the detected level within the building on which the user is located, and the level in the building identified from the memory; and

if the determination result indicates that a difference exists between the detected level and the level identified from the memory, correct the level within the building on which the user is located, and output the corrected level.

2. The location determination processing device according to claim 1, wherein the processor is further configured to:

if the determination result indicates that a difference exists between the detected level and the level identified from the memory, correct a function used for computing the altitude of the second information processing device based on the reference information received from the first information processing device and the information related to atmospheric pressure received from the second information processing device; and

compute the altitude of the second information processing device by using the corrected function.

3. The location determination processing device according to claim 1, wherein the correcting of the level within the building on which the user is located includes correcting the identified level to be the detected level.

4. The location determination processing device according to claim 1, wherein the processor is further configured to:

detect whether the second information processing device has moved; and

after detecting that the second mobile information processing device has moved;

compute the altitude of the second information processing device based on the reference information received from the first information processing device and the information related to atmospheric pressure received from the second information processing device.

5. The location determination processing device according to claim 1, wherein the processor is further configured to:

detect whether the second information processing device has moved; and

if it is detected that there has been no movement of the second information processing device, output a previously output level within the building.

6. The location determination processing device according to claim 1, wherein the processor is further configured to:

receive a time at which the one or more sensors detected an atmospheric pressure and a time at which the one or more sensors detected a temperature, and

if the received time at which the one or more sensors detected the atmospheric pressure and the received time at which the one or more sensors detected the temperature is within a predetermined time range, compute the altitude of the second information processing device based on the detected atmospheric pressure and the detected temperature, reference information received from the first information processing device and the information related to atmospheric pressure received from the second information processing device.

7. The location determination processing device according to claim 1, wherein the activity pattern of the owner of the second information processing device is a schedule of the owner carrying the mobile information processing device at specific levels and a time at which detection of the respective level was performed.

8. The location determination processing device according to claim 1, wherein

the one or more sensors comprises a plurality of sensors, and

the reference information includes a plurality of atmospheric pressures, a plurality of temperatures, and a plurality of altitudes, and

the processor is further configured to:

compute the altitude of the second information processing device based on an atmospheric pressure, a temperature, and an altitude that are respectively statistical representative values of the plurality of atmospheric pressures, the plurality of temperatures, and the plurality of altitudes.

9. The location determination processing device according to claim 1, wherein the processor is further configured to:

if a person carrying the second information processing device has used a stationary information processing device, an altitude of a location where the stationary information processing device is installed is determined as the altitude of the second information processing device, the stationary information processing device being an information processing device that is fixed in position.

10. The location determination processing device according to claim 1, wherein the processor is further configured to:

if a person carrying the second information processing device has passed through an entry and exit management device, an altitude of a location where the entry and exit management device is installed is determined as the altitude of the second information processing device.

11. The location determination processing device according to claim 10, wherein the processor is further configured to:

after passage through the entry and exit management device, determine the altitude of the second information processing device based on a change in a detected atmospheric pressure detected by the one or more sensors, and the altitude of the location where the entry and exit management device is installed.

12. A non-transitory computer readable storage medium comprising information processing program instructions that, when executed by a processor, cause the processor to:

receive, from a first information processing device, reference information detected by one or more sensors of the mobile information processing device, the reference information including information related to atmospheric pressure, information related to temperature, and information related to altitude;

receive, from a second information processing device, which is a mobile device, information related to atmospheric pressure for a location where the second mobile information processing device exists;

compute an altitude of the second information processing device based on the reference information received from the first information processing device and the information related to atmospheric pressure received from the second information processing device;

identify, from a memory that stores a correspondence between levels within a building and an elevation of the respective levels within the building, a level within the building corresponding to the computed altitude;

detect, based on an activity pattern of an owner of the second information processing device, a level in the building on which the owner is located;

determine whether a difference exists between the detected level within the building on which the user is located, and the level in the building identified from the memory; and

if the determination result indicates that a difference exists between the detected level and the level identified from the memory, correct the level within the building on which the user is located, and output the corrected level.