Abstract: An information communication method is provided for obtaining information from a subject using a terminal device that includes an image sensor having a plurality of exposure line. The method includes setting an exposure time of the image sensor so that, in an image obtained by capturing the subject by the image sensor, a bright line corresponding to each of the plurality of exposure lines included in the image sensor appears according to a change in luminance of the subject. The method also includes obtaining a bright line image including a plurality of bright lines, obtaining identification information of the subject, and sending the identification information to a server. The method further includes obtaining reservation information related to the identification information from the server, the reservation information related to a content displayed by the subject, and displaying the reservation information on a display of the terminal device.

Abstract: A monitoring device (3) identifies a person from videos made by a plurality of cameras (1) installed in a predetermined region where a plurality of products are arranged. The monitoring device includes a receiving unit (31) configured to receive the videos from the plurality of cameras (1) and purchase history information indicating a product purchased by the person from a POS register (2) installed in the predetermined region, a storage unit configured to store feature information indicating a feature of the person and shooting region information indicating shooting regions of the cameras, and a controller (33) configured to identify the person from the videos based on the feature information. The controller (33) specifies the camera which captured the shooting region through which the person passed based on the purchase history information and the shooting region information.

Abstract: A method is provided that includes setting an exposure time of an image sensor of a customer terminal so that, in an image obtained by capturing the subject, a bright line corresponding to each of a plurality of exposure lines appears according to a change in luminance of the subject. The method also includes obtaining a bright line image including a plurality of bright lines, by capturing the subject and obtaining identification information of the subject, by demodulating data specified by a pattern of the plurality of bright lines included in the obtained bright line image. The method further includes sending the identification information to a server, obtaining a menu listing a product of the store from the server, displaying the menu on a display of the terminal, and sending product information of the product that is selected by the customer and payment information of the customer to the server.

Abstract: An information communication method of transmitting a signal using a change in luminance is provided. The information communication method includes: determining a pattern of the change in luminance, by modulating the signal to be transmitted; and transmitting the signal, by at least one light emitter changing in luminance according to the determined pattern of the change in luminance. The signal has a plurality of blocks. Each block of the plurality of blocks includes (i) address information to indicate a position of a data segment in the signal, and (ii) the data segment. In the transmitting, the signal is transmitted repeatedly at different times.

Abstract: An information communication method is provided for obtaining information from a subject using a terminal device that includes an image sensor having a plurality of exposure line. The method includes setting an exposure time of the image sensor so that, in an image obtained by capturing the subject by the image sensor, a bright line corresponding to each of the plurality of exposure lines included in the image sensor appears according to a change in luminance of the subject. The method also includes obtaining a bright line image including a plurality of bright lines, obtaining identification information of the subject, and sending the identification information to a server. The method further includes obtaining reservation information related to the identification information from the server, the reservation information related to a content displayed by the subject, and displaying the reservation information on a display of the terminal device.

Abstract: An information communication method is provided for obtaining information from a subject using a terminal device that includes an image sensor having a plurality of exposure lines. The method includes setting an exposure time of the image sensor so that a bright line corresponding to each of the plurality of exposure lines appears according to a change in luminance of the subject. The method also includes obtaining a bright line image including a plurality of bright lines by capturing the subject that changes in luminance, and obtaining identification information of the subject by demodulating data specified by a pattern of the plurality of bright lines included in the obtained bright line image. The method further includes sending the identification information to a server, obtaining place information indicating a location of the subject from the server, and displaying a location of the terminal device on a map.

Abstract: An apparatus is provided that includes a display, a processor, and a recording medium having a program that causes the processor to execute operations, including obtaining a first image by image capture with a first exposure time by starting exposure for a plurality of exposure lines in an image sensor. The operations also include obtaining a second image, including a plurality of bright lines, by capturing a subject changing in luminance by the image sensor with a second exposure time by starting exposure for the plurality of exposure lines in the image sensor. The operations further include obtaining information by demodulating data specified by a pattern of the plurality of bright lines included in the obtained second image, and displaying a first image on the display during a period of obtaining of the second image using the image sensor.

Abstract: An apparatus includes a processor and a recording medium having a program, the program causing the processor to execute operations. The operations include providing a normal mode and a visible light communication mode, wherein the normal mode and the visible light communication mode are switchable. In the normal mode, first image data is obtained by image capture with a first exposure time by sequentially starting exposure for a plurality of exposure lines in an image sensor each at a different time and each of the plurality of exposure lines partially overlaps in exposure time an adjacent exposure line. In the visible light communication mode, (i) a second exposure time of the image sensor is set, (ii) a bright line image is obtained, and (iii) information is obtained by demodulating data specified by a pattern of the plurality of bright lines included in the obtained bright line image.

Abstract: A method is provided that includes setting an exposure time of an image sensor of a customer terminal so that, in an image obtained by capturing the subject, a bright line corresponding to each of a plurality of exposure lines appears according to a change in luminance of the subject. The method also includes obtaining a bright line image including a plurality of bright lines, by capturing the subject and obtaining identification information of the subject, by demodulating data specified by a pattern of the plurality of bright lines included in the obtained bright line image. The method further includes sending the identification information to a server, obtaining a menu listing a product of the store from the server, displaying the menu on a display of the terminal, and sending product information of the product that is selected by the customer and payment information of the customer to the server.

Abstract: An information communication method is provided for obtaining information from a subject using a terminal device that includes an image sensor having a plurality of exposure lines. The method includes setting an exposure time of the image sensor so that a bright line corresponding to each of the plurality of exposure lines appears according to a change in luminance of the subject. The method also includes obtaining a bright line image including a plurality of bright lines by capturing the subject that changes in luminance, and obtaining identification information of the subject by demodulating data specified by a pattern of the plurality of bright lines included in the obtained bright line image. The method further includes sending the identification information to a server, obtaining place information indicating a location of the subject from the server, and displaying a location of the terminal device on a map.

Abstract: An information communication method is provided for obtaining information from a subject using a terminal device that includes an image sensor having a plurality of exposure lines. The method includes setting an exposure time of the image sensor so that, in an image obtained by capturing the subject by the image sensor, a bright line corresponding to each of the plurality of exposure lines included in the image sensor appears according to a change in luminance of the subject. The method also includes obtaining a bright line image including a plurality of bright lines, and obtaining identification information of the subject by demodulating data specified by a pattern of the plurality of bright lines. The method further includes sending (i) the identification information and (ii) language identification information to a server, obtaining a content identified by the identification information from the server, and displaying the translated content.

Abstract: An information communication method is provided that determines a pattern of a change in luminance by modulating a signal to be transmitted, and outputs the determined pattern to a light emitter that changes in luminance according to the determined pattern. In the method, the signal includes a first data, a first header of the first data, second data, and a second header of the second data. Additionally, the pattern of the change in luminance is determined according to in an order of (i) the first data, (ii) the first header, (iii) the first data, (iv) the second data, (v) the second header, and (vi) the second data.

Abstract: A method is provided for obtaining information from a transmission device using an image sensor that includes a plurality of exposure lines. The method includes obtaining image data by starting exposure sequentially for the plurality of exposure lines each at a different time, starting exposure of a next exposure line before exposure of one exposure line ends, and imaging for a predetermined exposure time. The method also includes obtaining the information by demodulating data specified by a pattern of bright lines that appear in the image data, the bright lines corresponding to the plurality of exposure lines. The method further includes setting the predetermined exposure time so that a relation of tE>tHT is satisfied, where the predetermined exposure time is tE ?s, and a period of high frequency noise of a light source included in the transmission device is tHT ?s.

Abstract: An information communication method is provided for obtaining information from a subject using a terminal device that includes an image sensor having a plurality of exposure lines. The method includes setting an exposure time of the image sensor so that, in an image obtained by capturing the subject by the image sensor, a bright line corresponding to each of the plurality of exposure lines included in the image sensor appears according to a change in luminance of the subject. The method also includes obtaining a bright line image including a plurality of bright lines, and obtaining identification information of the subject by demodulating data specified by a pattern of the plurality of bright lines. The method further includes sending (i) the identification information and (ii) language identification information to a server, obtaining a content identified by the identification information from the server, and displaying the translated content.

Abstract: An information communication method is provided for obtaining information from a subject using a terminal device that includes an image sensor having a plurality of exposure lines. The method includes setting an exposure time of the image sensor so that, in an image obtained by capturing the subject by the image sensor, a bright line corresponding to each of the plurality of exposure lines included in the image sensor appears according to a change in luminance of the subject. The method also includes obtaining a bright line image, including a plurality of bright lines, by capturing the subject that changes in luminance, and obtaining identification information of the subject. The method further includes sending the identification information to a first server, obtaining access information from the first server, sending the access information to a second server, and obtaining information from the second server.

Abstract: An information communication method is provided for obtaining information from a subject. The method includes setting an exposure time of an image sensor so that, in an image obtained by capturing the subject by the image sensor, a plurality of bright lines corresponding to a plurality of exposure lines included in the image sensor appears according to a change in luminance of the subject. The method also includes obtaining a bright line image, including the plurality of bright lines, by capturing the subject that changes in luminance by the image sensor with the set exposure time. The method further includes obtaining the information by demodulating data specified by a striped pattern of the plurality of bright lines included in the obtained bright line image.

Abstract: A method is provided for obtaining information from a transmission device using an image sensor that includes a plurality of exposure lines. The method includes obtaining image data by starting exposure sequentially for the plurality of exposure lines each at a different time, starting exposure of a next exposure line before exposure of one exposure line ends, and imaging for a predetermined exposure time. The method also includes obtaining the information by demodulating data specified by a pattern of bright lines that appear in the image data, the bright lines corresponding to the plurality of exposure lines. The method further includes setting the predetermined exposure time so that a relation of tE>tHT is satisfied, where the predetermined exposure time is tE ?s, and a period of high frequency noise of a light source included in the transmission device is tHT ?s.

Abstract: An apparatus is provided that includes a display, an image sensor having a plurality of exposure lines, a processor, and a memory storing a computer program, which when executed by the processor, causes the processor to perform operations. The operations include displaying a first assist image on the display, and executing a visible light communication mode. In the visible light communication mode, the operations include (i) setting a second exposure time of the image sensor so that, in an image obtained by capturing a subject by the image sensor, a plurality of bright lines corresponding to the plurality of exposure lines included in the image sensor appear according to a change in luminance of the subject, (ii) obtaining a bright line image including the plurality of bright lines, and (iii) obtaining information by demodulating data specified by a pattern of the plurality of bright lines.

Abstract: An information communication method of transmitting a signal using a change in luminance is provided. The information communication method includes: determining a pattern of the change in luminance, by modulating the signal to be transmitted; and transmitting the signal, by at least one light emitter changing in luminance according to the determined pattern of the change in luminance. The signal has a plurality of blocks. Each block of the plurality of blocks includes (i) address information to identify the block and (ii) data of the block. In the transmitting, the signal is transmitted repeatedly at different times.

Abstract: An information communication method of transmitting a signal is provided that uses a change in luminance. The method includes determining a plurality of patterns of the change in luminance, by modulating a respective plurality of signals to be transmitted, and transmitting, by a light emitter changing in luminance according to a pattern among the determined plurality of patterns of the change in luminance, a signal corresponding to the pattern. The plurality of signals each includes a header and a body. In the determining, a first body, a first header, and a second body are modulated as one set in stated order. In the transmitting, the light emitter changes in luminance according to, in stated order, a first luminance change pattern corresponding to the first body, a second luminance change pattern corresponding to the first header, and a third luminance change pattern corresponding to the second body.