Patent ID: 8823852

Claim:
An information communication method of obtaining information from a subject, the information communication method comprising: setting a first exposure time for each of a plurality of exposure lines of an imaging sensor; obtaining a first image by exposing the plurality of exposure lines for the first exposure time and capturing the subject; detecting a range in which the subject is captured, from the first image; determining, from among the plurality of exposure lines, predetermined exposure lines for capturing the range in which the subject is captured; setting a second exposure time shorter than the first exposure time; obtaining a second image including a bright line corresponding to the predetermined exposure lines, by using only the predetermined exposure lines and capturing the subject, which changes in luminance; and obtaining the information by demodulating data specified by a pattern of the bright line included in the obtained second image, wherein in the obtaining the second image, the bright line is caused to appear in the second image by exposing each of the exposure lines included in the predetermined exposure lines for the second exposure time shorter than the first exposure time and capturing the subject.