Abstract: A display method is for a display apparatus to display an image, and includes: obtaining a captured display image and a decode target image by an image sensor capturing an image of a subject; obtaining a light ID by decoding the decode target image; transmitting the light ID to a server; obtaining, from the server, an AR image and recognition information which are associated with the light ID; recognizing a region according to the recognition information as a target region from the captured display image; and displaying the captured display image in which the AR image is superimposed on the target region.

Abstract: A method is provided that includes obtaining a first image by image capture with a first exposure time, and obtaining a second image, including a plurality of bright lines, by capturing a subject changing in luminance with a second exposure. The method also includes obtaining information by demodulating data specified by a pattern of the plurality of bright lines included in the obtained second image, and sending the information to a server. The method further includes obtaining augmented reality information related to the information from the server, and displaying the first image of the display a second time, instead of displaying the second image, when the image sensor receives the first image followed by the second image, wherein the augmented reality information is superposed in both (i) the first image that is displayed at a first time, and (ii) the first image that is displayed at a second time.

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, obtaining identification information of the subject, and sending the identification information to a server. The method further includes obtaining menu information related to the identification information from the server, the menu information related to a restaurant where the subject is installed, and displaying the menu information on a display of the terminal device.

Abstract: A display method capable of displaying an image valuable to a user is disclosed. The display method according to an embodiment of the present disclosure includes: Step S41 of capturing, by an imaging sensor, a still image lit up by a transmitter that transmits a signal by luminance change of light as a subject to obtain a captured image; Step S42 of decoding the signal from the captured image; and Step S43 of reading video corresponding to the decoded signal from a memory and superimposing the video on a target region corresponding to the subject in the captured image for display on a display. In Step S43, out of a plurality of images included in the video, the plurality of images is sequentially displayed from a leading image identical to the still image.

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: A visible light communication method is provided that includes obtaining a first information, by a receiver, through visible light communication with a light source. The method also includes sending the first information and a second information, by the receiver, to a first server, the second information related to a membership information of a specified organization which is stored in the receiver. The method further includes obtaining, by the receiver, information from the first server using the first information and the second information.

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: A method includes setting an exposure time of an image sensor of a terminal of a customer so that, in an image obtained by capturing a subject, a bright line corresponding to each of 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 a plurality of bright lines, by capturing the subject that changes in luminance by the image sensor with the set exposure time, 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 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 selected by the customer.

Abstract: A method includes capturing images with an image sensor while switching the shutter speed of the image sensor between a first speed and a second, higher speed. When a captured subject is a barcode, a barcode image is obtained when the shutter speed is the first speed, and barcode information is obtained by decoding the barcode in the image. When a captured subject is a light source, a bright line image including bright lines corresponding to a plurality of exposure lines included in the image sensor is obtained when the shutter speed is the second speed, and a visible light signal is obtained as visible light information by decoding a pattern of the bright lines in the obtained bright line image. The method also includes displaying an image obtained through capturing performed when the shutter speed is the first speed.

Abstract: A recoding medium storing a computer program, which, when executed by a processor, cause the processor to perform operations including: determining a pattern of a 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 that indicates 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. The address information is used to identify a same location of the block data segment in the signal transmitted at a first time and in the signal transmitted at a second time, which is different from the first time. The signal has a check signal.

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 signal decoding method which enables communication between various devices is disclosed according to one aspect. The signal decoding method includes: a step SF1 of determining whether or not a Datapart length that is a bit length of a data part included in a packet of a visible light signal is an eight bit; and a step SF2 of decoding the data part according to a result of the determination of the Datapart length, and, in step SF2, the decoding is performed according to LSB first when it is determined in step SF1 that the Datapart length is not an eight-bit length, and the decoding is performed according to MSB first when it is determined in step SF1 that the Datapart length is the eight-bit length.

Abstract: A display device of the present disclosure is a display device capable of outputting, by a Carousel method, a visible light communication signal including a plurality of signal units. The display device includes a display panel that displays a video signal, a visible light communication processor that encodes the signal units, divides the encoded signal units into a plurality of blocks, generates a plurality of transmission frames by using the plurality of blocks, and uses the generated transmission frames as a backlight control signal, and a backlight that illuminates the display panel from the back surface of the display panel based on the backlight control signal. With regard to the plurality of transmission frames corresponding to one of the signal units generated by the visible light communication processor, an order of the plurality of blocks is different between at least two of the transmission frames.

Abstract: An information communication method is provided that includes continuously capturing an image of a subject that transmits a signal by changing luminance, with an image sensor, and displaying a captured image that includes a box. The method also includes determining whether the subject is in the box, and receiving the signal transmitted by the subject when it is determined that the subject is in the box. In in the receiving, image data is obtained by capturing the subject with an exposure time, the signal is obtained by demodulating a bright line pattern, and the bright line pattern is caused to appear in the image data by setting the exposure time to be less than or equal to 1/480 second.

Abstract: A visible light signal generating method is a method for generating a visible light signal transmitted in response to a change in a luminance of a light source of a transmitter, and includes: generating a header (SHR), where the header is data in which first and second luminance values, which are different luminance values, alternately appear along a time axis; generating a PHY payload A and a PHY payload B by determining a time length according to a first mode, where the time length is a time length during which each of the first and second luminance values continues in the data in which the first and second luminance values alternately appear along the time axis, and the first mode matches a transmission target signal; and generating the visible light signal by joining the header (SHR), the PHY payload A and the PHY payload B.

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: A display method for appropriately transmitting a visible light communication signal includes: a step of coding a visible light communication signal to generate an image having a striped pattern for visible light communication as a first visible light communication image; a step of displaying the image included in the video signal, in a predetermined frame; and a step of displaying a low-luminance image in the predetermined frame, and sequentially displaying the first visible light communication image, the low-luminance image being an identification image and having uniform luminance lower than average luminance of the image which is to be displayed, wherein in the step, after the image included in the video signal is displayed in the predetermined frame, each of the first identification image and the first visible light communication image is displayed in a same frame as the predetermined frame, for a period shorter than the predetermined frame.

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: In one embodiment, such a method may include receiving a visible light signal by a sensor of a terminal device from a transmitter which transmits the visible light signal by a light source changing in luminance. The terminal device may transmit a request signal for requesting content associated with the visible light signal, from the terminal device to a server, and receive a content from the server. The content may include time points and data to be reproduced at the time points. Thereafter the terminal device may reproduce data included in the content and corresponding to a time point of a clock included in the terminal device.

Abstract: A display device includes: a display panel including a display screen; a backlight having a light emission surface that illuminates the display screen of the display panel from behind; a second processor that superimposes the visible light communication signals on backlight control signals generated based on the image signal; and a second controller that divides the light emission surface of the backlight into regions and establishes a period during which control of light emission in each of the regions and control for turning off the backlight in each of the regions a different time are performed based on the backlight control signals outputted by the second processor. When superimposing the visible light communication signals on the backlight control signals, the second processor does not superimpose a visible light communication signal in a period indicating an OFF state of the backlight in the backlight control signals.