Panasonic Intellectual Property Corporation of America

Panasonic Intellectual Property Management Co., Ltd.

Toray Industries, Inc.

Kengo Miyoshi

Mitsuaki Oshima

Hideki Aoyama

Koji Nakanishi

Akihiro Ueki

Toshiyuki Maeda

Tsutomu Mukai

Shigehiro Iida

Shinsuke Ogata

Chikara Yoshida

Akira Shiokawa

Koji Aoto

Yuki Higashi

Keiichi Ando

Yasuhiro Asada

A display method is for a display apparatus to display an image, and includes: obtaining a captured display image by an image sensor included in a terminal device; obtaining a light ID by visible light communication with a subject; obtaining an AR image and recognition information which are associated with the light ID from a memory included in the terminal device; recognizing a target region within the captured display image using the recognition information; and displaying the captured display image in which the AR image is superimposed on the target region.

Display method and display apparatus

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.

Reproduction method for reproducing contents

A receiving method includes: setting a first exposure time for at least one exposure line of exposure lines in an image sensor, setting a second exposure time for a remainder of the exposure lines in the image sensor, and causing the image sensor to capture an image of a light transmitter, to obtain a normal image from the at least one exposure line with the first exposure time, and to obtain a bright line image from the remainder of the exposure lines with the second exposure time. The second exposure time is shorter than the first exposure time. The bright line image includes a plurality of bright lines, each of which corresponds to a different one of the remainder of the exposure lines in the image sensor. Information is obtained by decoding a pattern of the plurality of the bright lines included in the obtained bright line image.

Information processing program, reception program, and information processing apparatus

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.

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.

Display device and display method

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.

Information communication device

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.

A visible light signal transmitting method includes: determining a luminance change pattern to transmit the visible light signal; switching a common switch according to the luminance change pattern, the common switch being for turning ON a plurality of light sources in common; and turning ON a first pixel switch, to cause the first light source to be ON for a period in which the common switch is ON and the first pixel switch is ON, to transmit the visible light signal, the first light source being one of the plurality of light sources. In the turning ON of a first pixel switch, when the image is displayed on the display, the first pixel switch is switched to increase a lighting period that corresponds to the first light source, to compensate a period in which the first light source is OFF for transmission of the visible light signal.

Transmitting method, transmitting apparatus, and program

An information processing program causes a computer to execute: encoding information to be transmitted, to determine a luminance change frequency; 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. In the encoding, each of a first frequency and a second frequency different from the first frequency is determined as the luminance change frequency. In the outputting, 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.

Information processing method for generating encoded signal for visible light communication

A computer-implemented method is provided, in which a plurality of luminance change frequencies of a light emitter is determined by coding one of a plurality of transmission information sources. The light emitter transmits a transmission information source by a change in luminance according to each of the plurality of luminance change frequencies. A signal, which controls the change in luminance of the light emitter according to each of the plurality of luminance change frequencies, is output to the light emitter. The plurality of luminance change frequencies include a first frequency and a second frequency. A signal of the first frequency and a signal of the second frequency respectively cause the light emitter to change in luminance according to the first frequency during a first time period and to change in luminance according to the second frequency during a second time period after the first time period has elapsed.

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. The method also includes displaying a captured image that includes a box and a subject image for identifying the subject, while continuously updating a position of the subject image on the captured image, according to a positional relationship between the image sensor and the subject established when the image of the subject is captured. The method further includes determining whether the subject image is in the box, and receiving the signal transmitted by the subject when it is determined that the subject image is in the box. In the receiving, information is obtained by demodulating a bright line pattern that appears in a second image data and corresponds to the plurality of exposure lines.

In a transmitting method that enables communication between various devices including devices other than lightings, a luminance change pattern is determined by modulating a visible light signal, a common switch for turning ON, in common, a plurality of light sources which are included in a light source group of a display and are each used for representing a pixel in an image is switched according to the luminance change pattern, and a first pixel switch for turning ON a first light source among the plurality of light sources included in the light source group is turned ON, to cause the first light source to be ON only for a period in which the common switch is ON and the first pixel switch is ON, to transmit the visible light signal.

Switched pixel visible light transmitting method, apparatus and program

A communication method for obtaining information from a subject includes obtaining image information of the subject in an image information-taking mode, obtaining visible light data of the subject in a visible light communication mode, and setting a shutter speed and an international organization for standardization (ISO) speed rating or a gain value for the visible light communication mode. The visible light communication mode is a different mode from the image information-taking mode. Also, in the setting, the shutter speed for the visible light communication mode is set to be faster than a shutter speed for the image information-taking mode, and the ISO speed rating or the gain value for the visible light communication mode is set to be greater than an ISO speed rating or a gain value for the image information-taking mode.

Communication method

An information communication method includes: determining whether conflict over use of a light receiving unit will occur between a first program for performing visible light communication and a second program for performing processing different from the visible light communication; notifying a user that the conflict will occur if it is determined that the conflict will occur; permitting one of the first program and the second program to use the light receiving unit in response to an operation by the user; and causing, by the first program, a computer to execute visible light communication according to light detected by the light receiving unit if the first program is permitted to use the light receiving unit.

Growing community of inventors

Osaka, Japan

Kengo Miyoshi