Disambiguation of styli by correlating acceleration on touch inputs
US-2016291704-A1 · Oct 6, 2016 · US
US2018333644A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2018333644-A1 |
| Application number | US-201815978967-A |
| Country | US |
| Kind code | A1 |
| Filing date | May 14, 2018 |
| Priority date | Nov 13, 2015 |
| Publication date | Nov 22, 2018 |
| Grant date | — |
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An object of the present invention is to establish, in new countermeasure technologies against the acts of tampering with or otherwise interfering with operation histories, a method that works effectively even in the case where a tampering detection method has become known to the public or in the case where program code for executing detection itself has been tampered with. A vibration-information obtaining unit 111 obtains, from a player terminal 1, vibration history information representing a time series of the results of detection by a vibration detecting unit 31 of the player terminal 1. An operation-information obtaining unit 113 obtains, from the player terminal 1, operation history information representing a time series of the results of detection by a touch-operation input unit 26 of the player terminal 1. An operation-information validity determining unit 114 determines the validity of the operation history information obtained from the operation-information obtaining unit 113 by comparing the operation history information with the vibration history information for which the validity has been determined by a vibration-information validity determining unit 112.
Opening claim text (preview).
1 . An information processing device that carries out communications to send information to and receive information from a terminal including: a first detecting unit that detects a vibration that occurs on the terminal; a display unit that displays an image on a predetermined display surface; a second detecting unit that is laid over the display surface and that detects contact with an object by using a predetermined method; and an executing unit that executes predetermined processing on the basis of a touch operation performed by bringing the object into contact, the information processing device comprising: a first obtaining means for obtaining vibration history information representing a time series of results of detection by the first detecting unit from the terminal; a second obtaining means for obtaining operation history information representing a time series of touch operations from the terminal; and a first determining means for determining the validity of the operation history information by comparing the operation history information with the vibration history information. 2 . The information processing device according to claim 1 , further comprising: a management means for managing index information that serves as an index for determining whether or not the vibration of the terminal is based on the touch operation performed by a actual person; and a second determining means for determining the validity of the vibration history information on the basis of the index information, wherein the first determining means permits the execution of the determination of the validity of the operation history information in the case where the vibration history information has been validated and prohibits the execution of the determination of the validity of the operation history information in the case where the operation history information has not been validated. 3 . The information processing device according to claim 2 , further comprising: a generating means for generating the index information on the basis of one or more pieces of vibration history information validated in the past. 4 . The information processing method executed by an information processing device that carries out communications to send information to and receive information from a terminal including: a first detecting unit that detects a vibration that occurs on the terminal; a display unit that displays an image on a predetermined display surface; a second detecting unit that is laid over the display surface and that detects contact with an object by using a predetermined method; and an executing unit that executes predetermined processing on the basis of a touch operation performed by bringing the object into contact, the information processing method comprising: a first obtaining step of obtaining vibration history information representing a time series of results of detection by the first detecting unit from the terminal; a second obtaining step of obtaining operation history information representing a time series of touch operations from the terminal; and a determining step of determining the validity of the operation history information by comparing the operation history information with the vibration history information. 5 . A program for causing a computer to execute control processing, the computer controlling a server that carries out communications to send information to and receive information from a terminal including: a first detecting unit that detects a vibration that occurs on the terminal; a display unit that displays an image on a predetermined display surface; a second detecting unit that is laid over the display surface and that detects contact with an object by using a predetermined method; and an executing unit that executes predetermined processing on the basis of a touch operation performed by bringing the object into contact, the control processing comprising: a first obtaining step of obtaining vibration history information representing a time series of results of detection by the first detecting unit from the terminal; a second obtaining step of obtaining operation history information representing a time series of touch operations from the terminal; and a determining step of determining the validity of the operation history information by comparing the operation history information with the vibration history information.
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