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AssigneeKoninklijke Philips Electronics N.V.
InventorsChris Damkat, Gerard De Haan, Mark Jozef Willem Mertens, Remco Muijs, Martin Hammer, Philip Steven Newton
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To allow better quality rendering of video on any display, a method is proposed of encoding, in addition to video data (VID), additional data (DD) comprising at least one change time instant (TMA—1) indicating a change in time of a characteristic luminance (CHRLUM) of the video data, which characteristic luminance summarizes the set of luminances of pixels in an image of the video data, the method comprising: —generating on the basis of the video data (VID) descriptive data (DED) regarding the characteristic luminance variation of the video, the descriptive data comprising at least one change time instant (TMA—1), and—encoding and outputting the descriptive data (DED) as additional data (DD).
A method of encoding, in addition to video data (VID), additional data (DD) comprising at least one change time instant (TMA_1) indicating a change in time of a characteristic luminance (CHRLUM) of the video data, which characteristic luminance summarizes a set of luminances of pixels in an image of the video data, the method comprising:
A video encoding apparatus (524) arranged to encode, in addition to video data (VID), additional data (DD) comprising at least one change time instant (TMA_1) indicating a change in time of a characteristic luminance (CHRLUM) of the video data, which characteristic luminance summarizes a set of luminances of pixels in an image of the video data, on the basis of descriptive data (DED) of the characteristic luminance variation of the video.
A video encoding apparatus (524) as claimed in claim 11, comprising a reprocessing strategy indication formatter (5241) arranged to encode in the additional data (DD) at least one indication (ALCORR, (TYPE)) of allowed reprocessing strategies of at least the luminances of the pixels of the video data.
A method of decoding additional data (DD) additional to video data (VID), the additional data (DD) comprising at least one change time instant (TMA_1) indicating a change in time of a characteristic luminance (CHRLUM) of the video data, which characteristic luminance summarizes a set of luminances of pixels in an image of the video data, the method further comprising outputting at least one change time instant (TMA_1).
A method of decoding additional data (DD) additional to video data (VID) as claimed in claim 14, the method further extracting from the additional data (DD) at least one indication (ALCORR, (TYPE)) of allowed reprocessing strategies of at least the luminances of the pixels of the video data, the method further comprising outputting that indication in a pre-agreed format.
A data signal (NDAT) associated with video data (VID), comprising at least one change time instant (TMA_1) indicating a change in time of a characteristic luminance (CHRLUM) of the video data, which characteristic luminance summarizes a set of luminances of pixels in an image of the video data.
A data signal (NDAT) associated with video data (VID) as claimed in claim 17, further comprising at least one indication (ALCORR, (TYPE)) of allowed reprocessing strategies of at least the luminances of the pixels of the video data in a temporal vicinity of the change time instant (TMA_1).
A video decoding apparatus (600) arranged to decode video data (VID) and arranged to decode, related to the video data (VID), additional data (DD) comprising at least one change time instant (TMA_1) indicating a change in time of a characteristic luminance (CHRLUM) of the video data, which characteristic luminance summarizes a set of luminances of pixels in an image of the video data, and arranged to output via an output (650) at least the at least one change time instant (TMA_1).
A video decoding apparatus (600) as claimed in claim 19, further arranged to decode at least one indication (ALCORR, (TYPE)) of allowed reprocessing strategies of at least the luminances of the pixels of the video data.
A video decoding apparatus (600) as claimed in claim 20, further arranged to decode a particular reprocessing code (MULT) from a set of prefixed agreed codes.
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Dependencies are inferred from the claim text.