Matsushita Electric Industrial Co., Ltd.

Panasonic Corporation

Panasonic Intellectual Property Management Co., Ltd.

Panasonic Intellectual Property Corporation of America

Matsushita Electronics Corporation

Matushita Electric Industrial Co., Ltd.

Horiba, Ltd.

Yoshihiro Mori

Masayuki Kozuka

Yoshiichiro Kashiwagi

Kazuhiro Tsuga

Takumi Hasebe

Kazuhiko Nakamura

Tomoyuki Okada

Yoshihisa Fukushima

Yasushi Azumatani

Toshiyuki Kawara

Kenichi Matsui

Masaya Yamamoto

Mitsuaki Oshima

Yasushi Uesaka

Kazuhiko Kouno

Toshiroh Nishio

Akihiko Tsuzumitani

Hiroshi Yahata

Hisashi Ogawa

Takeshi Hirota

Kazuhiko Yamauchi

Tadamasa Toma

Hiroshi Hamasaka

Masatoshi Shimbo

Yasuhiko Yamane

Hidemasa Kitagawa

Yasutoshi Okuno

Hideshi Ishihara

Tomoyuki Nonomura

Koichiro Endo

Kazuhiro Murata

Takashi Higashida

Kisoko Suzuki

Haruyasu Hirakawa

Akihisa Kawamura

Yasutoshi Yamamoto

Toshiro Nishio

Yoshiaki Hachiya

Junya Suzuki

Tetsuji Yamashita

Naohiko Morota

Yuji Yamanishi

Chieko Matsuda

Takahiro Yamaguchi

Tomoki Ogawa

Hideki Fukuda

Katsuhiko Miwa

Kiyoshi Ohnaka

Satoshi Kamiyama

Takashi Saji

Toshiyuki Fukushima

Masaya Mannoh

Kiyoshi Fujihara

Hirokazu Nakanishi

Kazuyoshi Horiike

Noboru Mizuguchi

Keita Kawabe

Tadashi Abe

Masaru Sasago

Wataru Ikeda

Takayuki Yamada

Koji Suzuki

Nobuo Aoi

Nobuyuki Otsuka

Kenji Tagawa

Osamu Yamamoto

Noboru Katta

Shigeo Sakaue

Takeshi Kawabata

Koji Eriguchi

Isao Miyanaga

Yoshio Tamura

Ryoji Suzuki

Takashi Yui

Noriaki Horii

Germano Leichsenring

Toshio Fujii

Kimihiko Arimoto

Jun Shibata

Hirotsugu Kawada

Tetsuo Tomimoto

Kazuhiro Miyamura

Atsushi Ito

Yoko Nakai

Koichi Kusumura

Satoru Takahashi

Toshiya Noritake

Atsutaka Inoue

Yoshito Komada

Ryuma Hirano

Yuiji Tsujioka

Tomoko Seko

Akihiro Sato

Kazuichiro Itonaga

Tatsuya Sakurai

Seiki Yamaguchi

Yuji Ueno

Seiji Sogo

Kazumasa Yamamoto

A video display system includes: an observation device including a capturing unit that generates a wide-angle video, and a data obtainment unit that obtains data related to a position and/or direction of a target in the wide-angle video to be gazed at by a user of a display device and cue information for informing of a change in the state of the observation system; and a VR device including a reception unit that receives the data and the cue information, and a differential calculation that calculates a relative position and/or direction of the gazing target relative to the position and/or direction of the display device in the wide-angle video, based on a difference between the position and/or direction of the display device in the wide-angle video and the position and/or direction of the gazing target in metadata.

Video display system, information processing device, information processing method, and recording medium

A video display system includes: an observation device, a data obtainment unit that obtains data related to a movement direction of the capturing unit, and a metadata composition unit that obtains metadata based on the obtained data; and a VR device including: a reception unit that receives the metadata; an orientation estimation unit that estimates an orientation of the display device; a differential calculation unit that calculates a relative movement direction of the capturing unit based on a difference between the orientation of the display device and the movement direction of the capturing unit in the metadata; a presentation unit that presents the calculated relative movement direction to a user of a display device; a video generation unit that generates a display video; and a VR device including a display device that displays the display video.

Video display system, information processing method, and recording medium

A video display system includes: a VR system including a display that displays a VR space to a participant who participates in a VR experience, and an audio processor that receives and outputs voice; an explainer terminal that receives and outputs voice from and to an explainer who provides an explanation to the participant in the VR space; a video distributor that distributes a 360-degree video for the VR space to the VR system; an audio conversation unit that assists an audio conversation between the participant and the explainer; and a controller that manages an operation mode that selectively takes a first state in which questions from the participant to the explainer are not allowed, a second state in which questions are allowed, and a third state in which a question is being asked, and causes the VR system to display information specifying the operation mode on the display.

Video display system and video display method

An image processing device includes an acquisition section configured to acquire still image data obtained by imaging, a generator configured to generate, from the still image data acquired by the acquisition section, a logically single data unit including first still image data and second still image data different from each other in luminance dynamic range and reproducible independently from each other, and an output section configured to output the data unit generated by the generator.

Image processing device, reproduction device, image processing method, and reproduction method

A video display apparatus includes: a tone mapping processor that performs a tone mapping process of converting a luminance of a video by using conversion characteristics according to a maximum luminance of the video; and a display that displays the video that has undergone the tone mapping process. The tone mapping processor switches between a first tone mapping process of dynamically changing the conversion characteristics according to a time-dependent change in the maximum luminance of the video and a second tone mapping process that is performed using constant conversion characteristics irrespective of the time-dependent change in the maximum luminance of the video.

Video display apparatus and video display method

An information processing apparatus includes: a speech obtainer which obtains speech of a user; a first controller which, when the first controller recognizes that the speech obtained by the speech obtainer is a first activation word, outputs a speech signal corresponding to a second activation word different from the first activation word; and a second controller which performs an activation process for starting transmission of the speech signal of the speech obtained by the speech obtainer to a VPA cloud server when the second controller recognizes that the speech signal output by the first controller indicates the second activation word.

Information processing apparatus that transmits a speech signal to a speech recognition server triggered by an activation word other than defined activation words, speech recognition system including the information processing apparatus, and information processing method

A video display system includes: a tone mapping processor; a display; and a metadata processor that generates first dynamic metadata that indicates a maximum luminance that is constant over a plurality of time intervals by using static metadata. The video display system switches between: a first operation of (i) generating the first dynamic metadata by using the static metadata, performed by the metadata processor and (ii) performing the tone mapping process by using the first dynamic metadata, performed by the tone mapping processor; and a second operation of performing the tone mapping process by using second dynamic metadata in which the maximum luminance varies over the plurality of time intervals, performed by the tone mapping processor.

A video processing system includes: an acquirer that acquires video data including a main video; a format acquirer that acquires a display format that indicates a luminance dynamic range format displayable by a video display apparatus; a generator that generates first characteristics information that indicates first dynamic luminance characteristics that correspond to the display format by using the video data when a luminance dynamic range format of the main video indicated by the video data is different from the display format, the first dynamic luminance characteristics being dynamic luminance characteristics indicating a time-dependent change in luminance characteristics of the main video; and a video transmitter that outputs the first characteristics information generated by the generator.

Video processing system and video processing method

A video display system includes: a tone mapping processor that performs a tone mapping process of converting a luminance of a video by using conversion characteristics according to a maximum luminance of the video; and a display that displays the video that has undergone the tone mapping process. The tone mapping processor switches between a first tone mapping process of dynamically changing the conversion characteristics according to a time-depend change in the maximum luminance of the video and a second tone mapping process that is performed using constant conversion characteristics irrespective of the time-depend change in the maximum luminance of the video. When the tone mapping process used is switched from the second tone mapping process to the first tone mapping process, the conversion characteristics used is changed gradually or stepwise from the constant conversion characteristics to dynamically changing conversion characteristics over a plurality of frames.

A video display system includes: a tone mapping processor that performs a tone mapping process of converting a luminance of a video by using conversion characteristics according to a maximum luminance of the video; and a display that displays the video that has undergone the tone mapping process. The tone mapping processor switches between a first tone mapping process of dynamically changing the conversion characteristics according to a time-dependent change in the maximum luminance of the video and a second tone mapping process that is performed using constant conversion characteristics irrespective of the time-dependent change in the maximum luminance of the video.

Provided is a display method of displaying, on a display device, video of video data where luminance of video is defined by a first EOTF corresponding to HDR. The method includes: acquiring the video data; performing first conversion where the luminance of the video is converted to a luminance corresponding to a dynamic range of a third EOTF, where, with regard to a second EOTF that is part of the first EOTF and is the part of a luminance range where the peak luminance indicated by the peak luminance information included in the acquired video data is maximum luminance, the dynamic range of luminance of the second EOTF is reduced with maximum luminance of the second EOTF matching displayable luminance of the display device, while maintaining the relative relationship of luminance of the second EOTF; and displaying the video on the display device using the result of the first conversion.

Display method and display device

A video display apparatus includes: a tone mapping processor that converts, by using dynamic metadata indicating a maximum luminance of a video in each of a plurality of time intervals included in a predetermined period, a luminance of the video in each time interval based on conversion characteristics according to the maximum luminance of the video in the time interval; and a display. The tone mapping processor switches between: a first operation of performing the tone mapping process by using first dynamic metadata that indicates the maximum luminance that is constant over the plurality of time intervals, the first dynamic metadata being generated by using static metadata that indicates a maximum luminance of the video in the predetermined period; and a second operation of performing the tone mapping process by using second dynamic metadata in which the maximum luminance varies over the plurality of time intervals.

A video display apparatus includes: a video receiver that acquires video data including a main video; a generator that generates first characteristics information that indicates first dynamic luminance characteristics by using the video data when a luminance dynamic range format of the main video indicated by the video data is different from a display format that indicates a luminance dynamic range format displayable by the video display apparatus, the first dynamic luminance characteristics being dynamic luminance characteristics indicating a time-dependent change in luminance characteristics of the main video and correspond to the display format; a tone mapping processor that performs a tone mapping process of converting a luminance of the main video based on conversion characteristics according to the first dynamic luminance characteristics indicated by the first characteristics information generated by the generator; and a display that displays the main video that has undergone the tone mapping process.

Video display apparatus and video display method for luminance conversion

A reference electrode according to the present invention maintains continuity between an internal solution and measurement sample and measures the electrical potential of the measurement sample even if the measurement sample in a liquid junction of the reference electrode has air bubbles mixed therein. This reference electrode is provided with: a second body provided with a second internal solution chamber in which a second internal solution is housed and a liquid junction portion disposed in the second internal solution chamber such that the second internal solution and measurement sample that is to be measured come into contact; and an internal electrode disposed inside the second internal solution. The liquid junction portion is formed from a conduction component formed from a porous or fibrous component and an aperture adjacent to the conduction component.

Reference electrode

Provided is a display method of displaying, on a display device, video of video data where luminance of video is defined by a first EOTF indicating a correlation of HDR luminance and code values. The method includes: acquiring the video data; performing, regarding each of multiple pixels making up the video in the acquired video data, first determining of determining whether luminance of that pixel exceeds a first predetermined luminance; performing, regarding each of the multiple pixels, dual tone mapping where luminance of that pixel is reduced by a different format in a case of the luminance of the pixel being found to exceed the first predetermined luminance from the first determining, and a case of the luminance of the pixel being found to be equal to or lower than the first predetermined luminance; and displaying the video on the display device using the results of the dual tone mapping.

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Osaka, Japan

Yoshihiro Mori