JP2019506817A5 - - Google Patents
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- JP2019506817A5 JP2019506817A5 JP2018545548A JP2018545548A JP2019506817A5 JP 2019506817 A5 JP2019506817 A5 JP 2019506817A5 JP 2018545548 A JP2018545548 A JP 2018545548A JP 2018545548 A JP2018545548 A JP 2018545548A JP 2019506817 A5 JP2019506817 A5 JP 2019506817A5
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- luminance
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- video
- dynamic range
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- 235000019557 luminance Nutrition 0.000 claims 66
- 235000019571 color Nutrition 0.000 claims 36
- 238000006243 chemical reaction Methods 0.000 claims 25
- 239000002131 composite material Substances 0.000 claims 9
- 230000001131 transforming Effects 0.000 claims 7
- 238000009877 rendering Methods 0.000 claims 2
- 239000003086 colorant Substances 0.000 claims 1
- 230000000875 corresponding Effects 0.000 claims 1
- 230000001419 dependent Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 claims 1
- 238000000844 transformation Methods 0.000 claims 1
Claims (15)
複数の画像のうちの前記2つの画像又は前記2つのビデオのうちの少なくとも1つの画像又はビデオの最大輝度と、複数の画像のうちの前記2つの画像又は前記2つのビデオをレンダリングするためのディスプレイのピーク明度とのうちの少なくとも1つに基づいて決定される最大輝度を少なくとも特徴とする合成輝度ダイナミックレンジを確立するダイナミックレンジ確立ユニットであって、前記ダイナミックレンジ確立ユニットが、前記合成輝度ダイナミックレンジにおけるアンカー輝度を決定する輝度アンカー決定ユニットをさらに含む、ダイナミックレンジ確立ユニットと、
前記2つの画像又はビデオの少なくとも1つに少なくとも輝度変換を実行する色変換ユニットであって、前記色変換ユニットは、前記2つの画像又はビデオの第1の画像又はビデオを供給する第1のソースからのメタデータから少なくとも1つのソースアンカー輝度を読み出すソースアンカー輝度読み出しユニットを含み、前記色変換ユニットは、前記第1の画像又はビデオに適用される色変換を確立し、前記色変換は、前記ソースアンカー輝度が前記アンカー輝度の近傍の出力輝度にマッピングされるという性質を有することによって、前記ソースアンカー輝度の値に依存する、色変換ユニットと、
複数の画像のうちの前記2つの画像又は2つのビデオを合成して、少なくとも1つの出力画像を形成する画像合成ユニットと
を含む、装置。 An apparatus for combining two images or two videos of a plurality of images, wherein one of the two images or two videos is a high dynamic range image or video, the apparatus comprising:
A maximum brightness of at least one image or video of the two images or the two videos of the plurality of images, and a display for rendering the two images or the two videos of the plurality of images A dynamic range establishing unit that establishes a composite luminance dynamic range characterized by at least a maximum luminance determined based on at least one of the peak brightness of the composite luminance dynamic range. A dynamic range establishing unit, further comprising a luminance anchor determining unit that determines an anchor luminance in;
A color conversion unit for performing at least a luminance conversion on at least one of said two images or videos, said color conversion unit being a first source providing a first image or video of said two images or videos A source anchor luminance readout unit that reads at least one source anchor luminance from metadata from the control unit, wherein the color conversion unit establishes a color conversion applied to the first image or video, wherein the color conversion comprises: A color conversion unit that depends on the value of the source anchor luminance by having the property that the source anchor luminance is mapped to an output luminance near the anchor luminance;
An image combining unit for combining the two images or two videos of the plurality of images to form at least one output image.
複数の画像のうちの前記2つの画像又は前記2つのビデオのうちの少なくとも1つの画像又はビデオの最大輝度、及び、複数の画像のうちの前記2つの画像又は前記2つのビデオをレンダリングするためのディスプレイのピーク明度の少なくとも1つに基づいて決定される最大輝度を少なくとも特徴とする合成輝度ダイナミックレンジを確立するステップであって、前記確立するステップが、前記合成輝度ダイナミックレンジにおけるアンカー輝度を決定するステップをさらに含む、確立するステップと、
前記2つの画像又はビデオの少なくとも1つに少なくとも輝度変換から構成される色変換を適用するステップであって、前記色変換は、前記2つの画像又はビデオの第1の画像又はビデオを供給する第1のソースからのメタデータから読み出されるソースアンカー輝度の値に基づいて確立され、前記色変換は、前記ソースアンカー輝度が前記アンカー輝度の近傍の出力輝度にマッピングされるという性質を有する、適用するステップと、
複数の画像のうちの前記2つの画像又は2つのビデオを前記合成輝度ダイナミックレンジにおけるそれらのピクセル色を用いて合成して、少なくとも1つの出力画像を形成するステップと
を有する、方法。 A method for combining two images or two videos of a plurality of images, wherein one of the two images or two videos is a high dynamic range image or video, the method comprising:
A maximum brightness of at least one image or video of the two images or the two videos of the plurality of images, and for rendering the two images or the two videos of the plurality of images. Establishing a composite luminance dynamic range characterized at least by a maximum luminance determined based on at least one of the peak brightness of the display, the establishing step determining an anchor luminance in the composite luminance dynamic range. Establishing, further comprising:
Applying a color transformation comprising at least a luminance transformation to at least one of the two images or videos, the color transformation providing a first image or video of the two images or videos. The color transformation is established based on a value of the source anchor luminance read from metadata from one source, wherein the color transformation has a property that the source anchor luminance is mapped to an output luminance near the anchor luminance. Steps and
Combining the two images or two videos of the plurality of images with their pixel colors in the composite luminance dynamic range to form at least one output image.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP15196054 | 2015-11-24 | ||
EP15196054.9 | 2015-11-24 | ||
US201662383692P | 2016-09-06 | 2016-09-06 | |
US62/383,692 | 2016-09-06 | ||
PCT/EP2016/077373 WO2017089146A1 (en) | 2015-11-24 | 2016-11-11 | Handling multiple hdr image sources |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2019506817A JP2019506817A (en) | 2019-03-07 |
JP2019506817A5 true JP2019506817A5 (en) | 2019-12-19 |
JP6831389B2 JP6831389B2 (en) | 2021-02-17 |
Family
ID=65638024
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018545548A Active JP6831389B2 (en) | 2015-11-24 | 2016-11-11 | Processing of multiple HDR image sources |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP6831389B2 (en) |
RU (1) | RU2723676C2 (en) |
ZA (1) | ZA201804211B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3451677A1 (en) * | 2017-09-05 | 2019-03-06 | Koninklijke Philips N.V. | Graphics-safe hdr image luminance re-grading |
WO2021108719A1 (en) * | 2019-11-27 | 2021-06-03 | Dolby Laboratories Licensing Corporation | Rate-control-aware reshaping in hdr imaging |
CN111915517B (en) * | 2020-07-23 | 2024-01-26 | 同济大学 | Global positioning method suitable for RGB-D camera under indoor illumination unfavorable environment |
CN112949502B (en) * | 2021-03-05 | 2024-03-29 | 浙江大华技术股份有限公司 | Method, system and electronic device for detecting swimming pool safety officer looking around |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8135230B2 (en) * | 2007-07-30 | 2012-03-13 | Dolby Laboratories Licensing Corporation | Enhancing dynamic ranges of images |
CN102422322B (en) * | 2009-05-11 | 2015-01-21 | 杜比实验室特许公司 | Light detection, color appearance models, and modifying dynamic range for image display |
US8606009B2 (en) * | 2010-02-04 | 2013-12-10 | Microsoft Corporation | High dynamic range image generation and rendering |
EP2702766B1 (en) * | 2011-04-28 | 2017-06-14 | Koninklijke Philips N.V. | Apparatuses and methods for hdr image encoding and decoding |
UA116082C2 (en) * | 2011-09-27 | 2018-02-12 | Конінклійке Філіпс Н.В. | Apparatus and method for dynamic range transforming of images |
CN103907343B (en) * | 2011-10-20 | 2017-05-03 | 杜比实验室特许公司 | method and system for video equalization |
WO2014130213A1 (en) * | 2013-02-21 | 2014-08-28 | Dolby Laboratories Licensing Corporation | Systems and methods for appearance mapping for compositing overlay graphics |
MY173495A (en) * | 2013-07-12 | 2020-01-29 | Sony Corp | Reproduction device, reproduction method, and recording medium |
CN105684412B (en) * | 2013-10-22 | 2017-04-26 | 杜比实验室特许公司 | Calendar mechanism for a clock movement |
US9973723B2 (en) * | 2014-02-24 | 2018-05-15 | Apple Inc. | User interface and graphics composition with high dynamic range video |
US9230338B2 (en) * | 2014-03-05 | 2016-01-05 | Dolby Laboratories Licensing Corporation | Graphics blending for high dynamic range video |
WO2015175549A1 (en) * | 2014-05-12 | 2015-11-19 | Apple Inc. | Techniques for hdr/wcr video coding |
BR112017009528A2 (en) * | 2014-11-10 | 2018-02-06 | Koninklijke Philips N.V. | apparatus and method for decoding an integrated hdr video signal from one or more source signals, apparatus for encoding a video signal, and method for decoding a video signal |
WO2016125691A1 (en) * | 2015-02-03 | 2016-08-11 | ソニー株式会社 | Transmitting device, transmitting method, receiving device, and receiving method |
-
2016
- 2016-11-11 RU RU2018122765A patent/RU2723676C2/en active
- 2016-11-11 JP JP2018545548A patent/JP6831389B2/en active Active
-
2018
- 2018-06-22 ZA ZA2018/04211A patent/ZA201804211B/en unknown
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