Yes... you're completely right Mathieu... I've made a bad link between his question and my pix_knowledge (maybe because it was 1h30 AM :-p )
Cheers. 01ivier 2011/9/11 Mathieu Bouchard <[email protected]> > On Sun, 11 Sep 2011, Olivier B wrote: > > I think [pix_mean_color] is what you need. >> > > This only finds the average colour, which is usually not the same as the > most prevalent colour, even though it is the best estimator. > > The best estimator means that it's your best guess when someone asks you to > predict pixels picked randomly in the image. It leads to least square > error : (predicated - random)² is as low as it can be, on the long term. > > In statistics, we learn about Average, Median and Mode, usually all 3 at > once, as 3 basic approaches, three kinds of «middles» of the data. What > Sebastian is looking for is more like Mode, which looks like the easiest of > the 3, but is actually the hardest of the 3, especially when doing in > multidimension spaces (such as red,green,blue) and on continuous scales (256 > values per dimension is continuous enough for what I'm talking about). > > There are several gotchas about peaks in statistical distributions. > > > ______________________________**______________________________** > ___________ > | Mathieu Bouchard ---- tél: +1.514.383.3801 ---- Villeray, Montréal, QC > -- Envie de tisser ? http://yamatierea.org/papatchs/
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