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From: david carollo on 29 Apr 2010 20:05
Hi guys,
i never use matlab and i need to programming a photomosaic..take an image and divided in too many tiles..this tiles must match with the more similar (based on features like color, texture,etc) images of my database..i need your help and recommend!

thanks to all!

D.
From: ImageAnalyst on 29 Apr 2010 21:43
david carollo:
OK, how can I help? There are lots of ways you can chop up your
image. Do you want them to be rectangles? But rectangles won't
necessarily align with colored regions and textured regions, which may
not be rectangular. Why don't you just be specific and post 4 or 5
images to http://drop.io so we can look at them? Then we can get more
specific about what you're needing.
From: ImageAnalyst on 29 Apr 2010 21:53
Oh, do you mean like Robert Silvers pictures where he creates photos
of something, for example a photo of the president, using thousand of
very tiny photos that are similar in color, texture, and edges? Like
this:
http://www.photomosaic.com/portfolio.html
I've read a little about how they do that. But first, do you have
access to a HUGE database of images from which to draw? If not, your
results will be very poor.
From: david carollo on 30 Apr 2010 13:52
ImageAnalyst <imageanalyst(a)mailinator.com> wrote in message <25b209d1-5066-486b-9b72-2198b63b86ed(a)w36g2000yqw.googlegroups.com>...
> david carollo:
> OK, how can I help? There are lots of ways you can chop up your
> image. Do you want them to be rectangles? But rectangles won't
> necessarily align with colored regions and textured regions, which may
> not be rectangular. Why don't you just be specific and post 4 or 5
> images to http://drop.io so we can look at them? Then we can get more
> specific about what you're needing.


Hello,
thanks for your attention..now..I have a database of 32.000 images..all the images have the same dimensions (384x256 or 256x384 if is a vertical image)..it's not important if the mosaic don't follow the edge of the source images..if i have too many tiles the final result is ok..i upload 4-5 images at http://drop.io/th3be2d (pw:kaswpfitm2) ..beacuse the images are horizontals and verticals I think about to divide the source image in 4 areas:for example the north-west & south-east areas have the horizontals and the other 2 have the verticals..i hope you can understand me!!! :D

My idea is this:have a script to extract the medium value of H,S & V (HSV color space) from my database (like this but i have not knowledge to adapt to my goals:http://www.mathworks.com/matlabcentral/fileexchange/18440-color-detection-using-hsv-color-space-training-and-testing) and match this value with the H,S & V value of the tiles of the source image..for the texture i don't already think..

Very very thanks, David
From: david carollo on 30 Apr 2010 14:01
ImageAnalyst <imageanalyst(a)mailinator.com> wrote in message <65668691-6889-4767-b7be-892b301a4b79(a)h9g2000yqm.googlegroups.com>...
> Oh, do you mean like Robert Silvers pictures where he creates photos
> of something, for example a photo of the president, using thousand of
> very tiny photos that are similar in color, texture, and edges? Like
> this:
> http://www.photomosaic.com/portfolio.html
> I've read a little about how they do that. But first, do you have
> access to a HUGE database of images from which to draw? If not, your
> results will be very poor.


Yes!the final result it's that!!
My database is very big:32.000 images..if you know anything about it please tell me..i'm in anxiety :(

ps:in the previous post I write an idea about how to do..but if u have a better idea i'm happy :)

Very very thanks, David
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