Casio Computer Co., Ltd.

Kabushiki Kaisha Toshiba

Masaaki Kikuchi

Nobuo Iizuka

Keiichi Kaneko

Masao Obama

Masayuki Okamoto

Kazunori Imoto

Kazushige Ouchi

Yoshihiro Ohmori

Yasukazu Higuchi

Rika Hosaka

Miwako Doi

Kenta Cho

Mitsuyasu Nakajima

Hideo Umeki

Masanori Hattori

Naoki Iketani

Nayuko Watanabe

Takehide Yano

Kazuyuki Goto

Takayuki Iida

Keisuke Nishimura

Yuuichi Togashi

Taichi Murakami

Takeshi Imai

Toyokazu Itakura

Koichi Ootomi

A position measuring device comprising includes an imager, and at least one processor configured to execute a program stored in a memory. The at least one processor detects, from an imaging range of a picture image acquired by the imager, a light-emitter image of a first light emitter that is capable of movement in a space and emits light corresponding to identification information of the first light emitter in the space, and acquires a three-dimensional position of the first light emitter in the space based on a position of the detected light-emitter image of the first light emitter in the picture image.

Position measuring device, position measuring method, and recording medium

A remaining battery capacity measuring device within a control device of a mobile apparatus measures a remaining battery capacity level of a battery. The light-emission control device, in a period separate from a transmission period for transmitting an ID, in accordance with the remaining charge amount of the battery, performs changing of a hue of light emitted by an LED, and setting no-data and a no-data period. Alternatively, the light-emission control device, in the period separate from the transmission period for transmitting the ID, in reaction to the remaining battery capacity level of the battery, changes a luminosity of the light emitted by the LED.

Transmitting device, transmission method, and recording medium

Markers--emit light, according to control by as server, in accordance with a light emission pattern. On the other hand, a mobile devicedistinguishes a reference signal and a numerical signal based on a mode of light emission of the markers--, and displays, upon receiving the numerical signal, a numerical value at a position of the markercorresponding to the numerical signal in a frame, and displays, upon receiving the reference signal, ongoing reception of an ID at a position of the marker-corresponding to the reference signal in the frame. Furthermore, the mobile devicedisplays, at timing when all of the reference signals and the numerical signals are received, at a position of the marker-in the frame, a plurality of numerical values and units of the plurality of numerical values being integrated.

Decoding apparatus, decoding method and non-transitory computer readable recording medium

A portable terminal detects a color change region corresponding to a marker in frames, and determines whether the brightness and/or hue change with time in the color change region matches a search rule. Subsequently, when the brightness and/or hue change with time in the color change region matches a search rule, the portable terminal restores information by decoding and determines whether the information is the content of predetermined information corresponding to the search rule determined to match. Furthermore, when the restored information is the content of predetermined information corresponding to the search rule determined to match, the portable terminal displays the information in association with the color change region to provide notice that the corresponding flying object is an appropriate flying object performing optical communication.

Notification device, notification method, and non-transitory recording medium

To easily capture the light emission position of a light-emitting apparatus on the imaging apparatus side, even when the positional relationship of the two changes. A mobile device detects its own speed, and an LED within the mobile device accomplishes light emission in accordance with any out of a first light emission pattern, a second light emission pattern and a third light emission pattern so that the light emission cycle becomes shorter the faster the speed of the mobile device. On the other hand, a server detects the speed of the mobile device from frames obtained through imaging by an imager, and changes the imaging interval of the imager so that the imaging interval becomes longer the slower the speed.

Light-emitting apparatus, imaging apparatus, information transmission system and information transmission method

A reception device acquires multiple frames for a period corresponding to an optical signal format and determines whether a color change region within the frames includes any of red (R), green (G), and blue (B), which is a first color, and black (Bk) in the non-emission period corresponding to a header, which is a second color. Moreover, when the color change region within the multiple frames for a period corresponding to an optical signal format includes any of red (R), green (G), and blue (B) and black (Bk), the reception device controls decoding of a bit data string corresponding to the red (R), green (G), and blue (B) colors in the color change region to acquire communication target information.

Optical communication device, optical communication method, and non-transitory recording medium

A display system, a display apparatus, computer-readable storage medium are described. According to one implementation, a display system includes display apparatuses placed at a plurality of designated sites and a management server. Each of the display apparatuses include a communication unit which acquires user information from a terminal apparatus and transmits the user information to the management server. The management server includes a server receiving unit which receives the user information, a user registering unit which registers the user information on the terminal apparatus, a sheet creating unit which creates a stamp rally sheet including at least one of the plurality of designated sites for the user information, and a server transmitting unit which transmits the created stamp rally sheet to the display apparatus.

Display system, digital signage apparatus which displays advertisements, and computer-readable storage medium

In a smartphone, the imaging mode of an imager or the display mode of a display is changed from a normal mode when an image of an optical communication region is captured. More specifically, a process of lowering the contrast of the entire image (frame), a process of superimposing an icon image on the candidate region, a masking process for lowering the contrast of the candidate region, a process of reducing the count of display frames by image averaging or thinning, or a zoom limiting process of limiting the upper limit of the zoom ratio of the imager or the upper limit of the enlarged display magnification on the display is performed.

Display device, display control method, and non-transitory recording medium

An information transmission system includes: an information sending device including a light emitting section that emits light in a plurality of colors, a modulating section that modulates information to be transmitted into signals composed of changes in color, and a light emission control section that controls the light emitting section to emit light while changing color temporally based on the signals generated by the modulating section; and a receiving device including a camera that captures an image having color, and a control and communication section that detects a temporal color change of the light emitting section emitting light by light emission control by the information transmitting device, from images consecutively captured by the camera, decodes the detected color change into information, and outputs the generated information to a display section.

Information transmission system, information sending device, information receiving device, information transmission method, information sending method, information receiving method and program product

An optical communication apparatus includes a light receiving unit, a wavelength band determining unit and an estimating unit. The light receiving unit receives light which changes to predetermined wavelength bands in a predetermined cycle according to communication object information, for a predetermined light reception period. The wavelength band determining unit determines each wavelength band of the light received by the light receiving unit. The estimating unit estimates that a wavelength band of the light received by the light receiving unit is any one of the predetermined wavelength bands, in a case where said wavelength band determined by the wavelength band determining unit is not any one of the predetermined wavelength bands.

Optical communication apparatus, wavelength band estimating apparatus, optical communication method and storage medium

The imager and controller of an information apparatus images the back face of another information apparatus to acquire the manufacturing number of the other information apparatus corresponding to the two-dimensional bar code provided on the back face of the other information apparatus and acquire visible light information corresponding to blinking of light emitted by the light emitter arranged on the back face of the other information apparatus. Furthermore, the controller controls the imager so as to be able to image the two-dimensional bar code and the light emitted by the light emitter.

Information acquisition apparatus, information acquisition method, and non-transitory recording medium

According to one embodiment, a region-of-interest extraction apparatus includes following units. The acquisition unit acquires a structured document including elements. The first extraction unit extracts block regions including specific elements, from the structured document. The second extraction unit extracts, as a display region, parts of the elements being displayed on a display screen, from the structured document. The third extraction unit extracts a region of interest, in which a user is interested, from the structured document, based on relations between the block regions and the display region.

Region-of-interest extraction apparatus and method

A transmission-side information terminal displays a marker whose wavelength changes with time on the basis of a tag ID acquired from a management server. A receiving-side information terminal takes an image to acquire the tag ID, and transmits storage instruction information to a distribution server, the storage instruction information including the tag ID, an area number indicating a position of the receiving-side information terminal and image data acquired by taking an image. The image distribution server stores the tag ID, the area number and the image data in the storage instruction information in association with one another. The transmission-side information terminal transmits query information including the tag ID acquired from the management server and the area number indicating its own position to the image distribution server, thereby acquiring image data associated with the tag ID and the area number from the image distribution server.

Communication system, information terminal, communication method and recording medium

An information device is provided that includes a first acquisition unit, a second acquisition unit, a search unit, a first display unit, a determining unit, and a second display unit. The first acquisition unit acquires situation data indicating a situation of the information device. The second acquisition unit acquires object information in accordance with the situation data. The search unit searches a database for related words related to the object information. The first display unit displays the related words to allow any one of the related words to be selected, while the determining unit determines whether any one of the related words is selected. The second display unit displays the object information acquired by the second acquisition unit for the selected related words.

Information device and information presentation method for selected object information corresponding to device location

An information transmission system is constituted by: an information sending device including a light emitting section that emits light in a plurality of colors, a modulating section that modulates information to be transmitted into signals composed of changes in color, and a light emission control section that controls the light emitting section to emit light while changing color temporally based on the signals generated by the modulating section; and a receiving device including a camera that captures an image having color, and a control and communication section that detects a temporal color change of the light emitting section emitting light by light emission control by the information transmitting device, from images consecutively captured by the camera, decodes the detected color change into information, and outputs the generated information to a display section.

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Fussa, Japan

Masaaki Kikuchi