SELECTION OF DOMINATING COLOUR WITH APPLICATION OF PERCEPTION LAWS FOR CREATION OF SURROUNDING LIGHTING OBTAINED FROM VIDEO CONTENT Russian patent published in 2009 - IPC H04N9/64 G06T7/00 

Abstract RU 2352081 C2

FIELD: information technologies.

SUBSTANCE: method is suggested for selection and processing of video content, which includes the following stages: quantisation of colour video space; making selection of dominating colour with application of mode, median of average or weighted average of pixel colorations; application of perception laws for further production of dominating colorations by means of the following steps: transformation of colorations; weighted average with application of pixel weight function affected by scene content; and expanded selection of dominating colour, where pixel weighing is reduced for majority pixels; and transformation of selected dominating colour into colour space of surrounding light with application of three-colour matrices. Colour of interest may additionally be analysed for creation of the right dominating colour, at that former video frames may control selection of dominating colours in the future frames.

EFFECT: creation of method to provide imitating surrounding lighting by means of dominating colour separation from selected video areas, with application of efficient data traffic, which codes averaged or characteristic values of colours.

20 cl, 43 dwg

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RU 2 352 081 C2

Authors

Gjutta Srinivas

Dideriks Ehlmo M. A.

Ehlting Mark J.

Dates

2009-04-10Published

2005-06-27Filed