Abstract:
An information communication method that enables communication between various devices includes: (SK71) determining a plurality of patterns of a change in luminance, by modulating a respective plurality of signals to be transmitted; and (SK72) transmitting, by each of a plurality of light emitters changing in luminance according to any one of the determined plurality of patterns of the change in luminance, a signal corresponding to the pattern, wherein in the transmitting (SK72), each of the plurality of light emitters changes in luminance at a different frequency so that light of one of two types of light different in luminance is output per a time unit predetermined for the light emitter and that the time unit predetermined for the light emitter is different from a time unit predetermined for an other one of the plurality of light emitters.
Abstract:
An information processing program causes a computer to execute: encoding information to be transmitted, to determine a luminance change frequency SA11; and outputting a signal of the determined luminance change frequency to cause a light emitter to change in luminance according to the determined luminance change frequency to transmit the information SA 12. In the encoding SA11, each of a first frequency and a second frequency different from the first frequency is determined as the luminance change frequency. In the outputting SA12, each of a signal of the first frequency and a signal of the second frequency is output as the signal of the determined luminance change frequency, to cause the light emitter to change in luminance according to the first frequency during a first time and change in luminance according to the second frequency during a second time different from the first time after the first time elapses.
Abstract:
An information communication method that enables communication between various devices includes: determining a pattern of a change in luminance (SK41); transmitting a signal by a light emitter changing in luminance (SK42); determining a sequence of first and second image units (SK43); and displaying an image including the first and second image units arranged according to the determined sequence, wherein in the displaying (SK44): for 0, the sequence of the first and second image units is determined so that a first image unit group and a second image unit group that have a same number of image units as each other are consecutive; and for 1, the sequence of the first and second image units is determined so that a first image unit group and a second image unit group that have different numbers of image units from each other are consecutive.
Abstract:
An information communication method that enables communication between various devices includes: transmitting position information indicating a position of a terminal device (SK61); obtaining one or more sets of identification information of respective one or more devices and one or more sets of service information respectively associated with the one or more sets of identification information, and holding the one or more sets of identification information and the one or more sets of service information (SK62); setting an exposure time of an image sensor (SK63); obtaining a bright line image including a plurality of bright lines (SK64); obtaining identification information of a subject, by demodulating data specified by a pattern of the plurality of bright lines included in the obtained bright line image (SK65); and selecting service information associated with the identification information of the subject from the one or more sets of service information held in the obtaining and holding (SK62), and presenting the service information to a user (SK66).
Abstract:
An information communication method that enables communication between various devices includes: (SK51) transmitting position information indicating a position of an image sensor; (SK52) receiving an ID list; (SK53) setting an exposure time of the image sensor; (SK54) obtaining a bright line image including a bright line, by capturing a subject by the image sensor; (SK55) obtaining information by demodulating data specified by a pattern of the bright line included in the obtained bright line image; and (SK56) searching the ID list for identification information that includes the obtained information.
Abstract:
An information communication method that enables communication between various devices includes: (SA11) setting an exposure time of an image sensor so that, in an image obtained by capturing a subject by the image sensor, a bright line corresponding to an exposure line included in the image sensor appears according to a change in luminance of the subject; (SA12) capturing the subject that changes in luminance by the image sensor with the set exposure time, to obtain the image including the bright line; and (SA13) obtaining information by demodulating data specified by a pattern of the bright line included in the obtained image.
Abstract:
An information communication method that enables communication between various devices includes: (SA11) setting an exposure time of an image sensor so that, in an image obtained by capturing a subject by the image sensor, a bright line corresponding to an exposure line included in the image sensor appears according to a change in luminance of the subject; (SA12) capturing the subject that changes in luminance by the image sensor with the set exposure time, to obtain the image including the bright line; and (SA13) obtaining information by demodulating data specified by a pattern of the bright line included in the obtained image.
Abstract:
A display method capable of reducing the probability of communication error without causing significant deterioration of picture quality includes: specifying (SL21), as a specified light emission period, a light emission period in which light emission is performed for greater than or equal to a time required for transmitting a block included in a visible light communication signal, out of one or more light emission periods in which light emission is performed for displaying an image included in a video signal; and transmitting (SL22) the block of the visible light communication signal by luminance changing in the specified light emission period.
Abstract:
An information communication method that enables communication between various devices includes: determining (SK81) a pattern of a change in luminance, by modulating a first signal to be transmitted; transmitting (SK82) the first signal, by all of a plurality of light emitting elements included in a light emitter changing in luminance in a same manner according to the determined pattern of the change in luminance; and transmitting (SK83) a second signal to be transmitted, by each of the plurality of light emitting elements emitting light with one of two different luminance values so that a light and dark sequence of luminance appears in a space where the light emitter is placed.
Abstract:
An information communication method that enables communication between various devices includes: setting an exposure time of an image sensor so that, in an image obtained by capturing a subject by the image sensor, a bright line corresponding to an exposure line included in the image sensor appears according to a change in luminance of the subject (SK11) ; obtaining a bright line image including the bright line, by capturing the subject that changes in luminance by the image sensor with the set exposure time (SK12) ; and obtaining information by demodulating data specified by a pattern of the bright line included in the obtained bright line image (SK13), wherein in the obtaining of a bright line image (SK12), the bright line image is obtained by capturing light emitted from the subject and expanded by an optical system.