公开(公告)号：US09264756B2

公开(公告)日：2016-02-16

申请号：US14606516

申请日：2015-01-27

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Takahiro Yamaguchi ,  Yoshiichiro Kashiwagi ,  Yoshihiro Mori ,  Masayuki Kozuka

IPC: H04N5/932 ,  H04N21/432 ,  H04N11/20 ,  H04N19/186 ,  H04N19/40 ,  H04N19/136 ,  H04N19/44 ,  G06T7/00 ,  G06T7/40 ,  G06T11/00 ,  H04N21/2383 ,  H04N21/438 ,  H04N21/2343

CPC classification number: H04N21/4325 ,  G06T7/00 ,  G06T7/90 ,  G06T11/001 ,  H04N11/20 ,  H04N19/136 ,  H04N19/186 ,  H04N19/40 ,  H04N19/44 ,  H04N21/234327 ,  H04N21/2383 ,  H04N21/4382

Abstract: Provided is a production apparatus that can produce a distribution content that offers an even richer color tone expression during playback of video. The production apparatus for producing a distribution content including distribution video data is constituted by an original acquisition unit that acquires original video data; a distribution video acquisition unit that acquires the distribution video data, the distribution video data having been generated by conversion of the original video data to a lower gradation; a difference generation unit that generates difference data between the original video data and the distribution video data; and an output unit that outputs the difference data. A playback apparatus plays back the distribution content.

公开(公告)号：US11184596B2

公开(公告)日：2021-11-23

申请号：US16317081

申请日：2017-07-25

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Yasushi Uesaka ,  Masayuki Kozuka ,  Yoshihiro Mori ,  Toshiyuki Fukushima ,  Kazuhiko Kouno ,  Yoshiichiro Kashiwagi ,  Shigeo Sakaue

IPC: H04N9/87 ,  H04N5/77 ,  H04N9/79 ,  G06T5/00 ,  G11B20/10 ,  H04N5/235 ,  H04N5/265 ,  H04N5/91

Abstract: 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.

公开(公告)号：US11153466B2

公开(公告)日：2021-10-19

申请号：US16331464

申请日：2018-02-26

Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.

Inventor： Masaya Yamamoto ,  Masayuki Kozuka ,  Yoshiichiro Kashiwagi ,  Toshiroh Nishio ,  Kazuhiko Kouno ,  Hiroshi Yahata ,  Takeshi Hirota ,  Yoshihiro Mori

IPC: G06T5/00 ,  G06T5/20 ,  H04N9/793 ,  H04N5/20 ,  H04N5/445 ,  H04N21/431 ,  H04N21/4402 ,  H04N9/82 ,  H04N5/66 ,  H04N21/47

Abstract: 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.

公开(公告)号：US10567727B2

公开(公告)日：2020-02-18

申请号：US16335012

申请日：2017-09-25

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Toshiyuki Fukushima ,  Yasushi Uesaka ,  Atsushi Ito ,  Kiyoaki Watanabe ,  Toshiya Noritake ,  Kazuhiko Kouno ,  Yoshiichiro Kashiwagi ,  Masayuki Kozuka ,  Yoshihiro Mori

IPC: H04N9/87 ,  H04N7/01 ,  H04N9/79

Abstract: A reproducing method includes: an obtaining step of obtaining a high quality image and a first low quality image that are still images showing an identical scene, and conversion determination information; a first determining step of determining whether or not the display device can display the high quality image; a first reproducing step of reproducing the high quality image when the display device can display the high quality image; a second determining step of determining whether or not to generate a second low quality image by using the conversion determination information when the display device cannot display the high quality image; a second reproducing step of reproducing the first low quality image when it is determined not to generate the second low quality image; and a third reproducing step of generating the second low quality image from the high quality image and reproducing the second low quality image when it is determined to generate the second low quality image.