Le 11-11-14 14:15, Hans-Christoph Steiner a écrit : > > On Nov 14, 2011, at 12:30 PM, Ricardo Fabbri wrote: > >>> i would go for [pix_colorclassify]. >>> if you agree and are willing to change the name in your branch, i'll >>> import it as is. >> >> I agree and have just renamed it and it compiles cleanly here. You can >> fetch the changes in the same 'color' branch. >> >>> - - it would be great if the user could modify those labels. e.g. [1 0 0] >>> sounds like a great label for "red", but some weird user might chose to >>> prefer [0.5 1 0.8]. >> >> That will come with a later contribution. I wrote a [pix_equal] >> external which can change any pixels "equal" to some value within a >> given cosed r & g & b range. I use it to separate the colors into >> different images, change the color label, etc. > > That sounds very useful! I believe that operation is called a color mask. > Isn't there something like pix_mask?
Yes, it is [pix_bitmask] I use it in this patch. It works well in conjuction with [pix_gain]. I found a reference to it by looking at the opencv objects in Yves' lib, some of which only exist for linux and not OSX. I'm looking forward to new options though, keep up the good work. Alexandre > > .hc > >>> it would also be nice to be able to parameterize the detection code, but >>> i guess it is too fine tuned to the six given classes (so it would both >>> complicate things from the dev's and the user's povs) >>> >> >> I guess we should go with the simple algorithm at first, then improve >> it if needed. I noticed that even with very bad lighting conditions >> and offset colorbalance, at least 2 or 3 colors work robustly, so this >> should be useful without tweaking. The parameters have already been >> tuned on a large database of exemplars. But, I agree, decreasing the >> sensitivity to e.g. 'red' would be nice. I say we wait for further >> demands and beta-testing prior to making the external more complex. >> >> Thanks! >> >> Ricardo Fabbri >> labmacambira.sf.net >> >> _______________________________________________ >> GEM-dev mailing list >> [email protected] >> http://lists.puredata.info/listinfo/gem-dev > > > > ---------------------------------------------------------------------------- > > Terrorism is not an enemy. It cannot be defeated. It's a tactic. It's > about as sensible to say we declare war on night attacks and expect we're > going to win that war. We're not going to win the war on terrorism. - > retired U.S. Army general, William Odom > > > > _______________________________________________ > GEM-dev mailing list > [email protected] > http://lists.puredata.info/listinfo/gem-dev >
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