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公开(公告)号：EP2259852A2
公开(公告)日：2010-12-15
申请号：EP10703140.3
申请日：2010-01-06
CPC分类号： A63F9/10 , A63F9/1204 , A63F9/24 , G06T11/60
摘要： A mosaic puzzle set has a predetermined number of pieces (45) with unique, directionally visible, identifiers and different brightness characteristics, three for grey scale and five for color, comprising average brightness(es), and direction and magnitude of brightness gradients, enabling assembly to copy any user selected target picture (30) by following a dedicated table/chart (33). An internet server (1) storing piece characteristics and accessible for target picture upload and chart download by an access code in the purchased set, divides (S11) the target picture (30) into a same number of data areas (311) as pieces, analyzes their brightness characteristics and assembles the chart (33) by provisionally assigning pieces to respective target areas (311) and exchanging them for each other when sums of respective mismatch values between pieces and respective target areas are thereby reduced (S12-S14). Alternatively, pieces are divisions of an iconic source picture or only screen images. Pieces in a humped brightness histogram, population distribution provide greater detail. A grid-form tray supports and aligns pieces during assembly. Internet (2) billing is possible.
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公开(公告)号：EP2259852B1
公开(公告)日：2011-10-05
申请号：EP10703140.3
申请日：2010-01-06
CPC分类号： A63F9/10 , A63F9/1204 , A63F9/24 , G06T11/60
摘要： The invention provides a personalized set of mosaic puzzle source tiles and a method for assembling them in their entirety into a recognizable semblance of almost any user selected target picture such as a person's face by following assembly instructions based on an automated analysis of the selected face in terms of appearance characteristics, in particular average brightness, magnitude and direction of a brightness gradient, of the source tiles and supplied to the user on a source tile arrangement chart, comprising a predetermined, limited number of puzzle source tiles of identical size and shape, which are rotationally symmetrical, and marked with indicia providing respectively different tile identification codes providing directional characteristics enabling the source tiles to be assembled together in correct rotational positions. The method includes the step of comparing sums fo mismatches of pairs of source tiles with pairs of target regions and exchanging the positions of the source tiles for each other if such sum of mismatch values would be reduced by the exchange and progressively storing the mismatch values to avoid a need for measurements of any tile in identical position at a later stage of computing.
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