EweTwo on wrote... | | I have a bunch of similar images that are very close in content but maybe | just slightly different enough to not be easily perceptible to the human | eye. The main problem is that some of the images have differing aspect | ratios but I am correcting that manually and resizing the images where | needed. My question is is there a similar or equivalent function to the | image comparison feature in the Beyond Compare tool. I know IM has compare | and convert but BC2 can present the visual equivalent of a diff in a center | panel with the two images surrounding it. | I have no idea what Beyond Compare tool is, but it sounds like a -compose difference with posibly some type of -sigmodial-contrast enhancement to show minor differences better.
The current "compare" program in IM finds and colors red the most minor of differences with no ability to 'treshold' that difference level. | The litmus test is if I align the two and flip between them I should | see no perceptible motion) The other problematic issue is that the | images are not always the same saturation or palette or quality but | their content is basically the same but slightly different enough | (<5%) to warrant scrutiny. Any suggestions or code would be greatly | appreciated. | I have a simular flip test script called 'flicker_cmp' in the IM Examples script area http://www.imagemagick.org/Usage/scripts/ As for alignment and color/gamma aligning that is something I am also interested in purely in the realm of automatically finding images that were slightly modified duplictes. However I also have scaling issues. What you are looking at is something called 'image registration' whcih locates simular points in the two images do the images can be 'warped' or distorted into a simual view. Examples include http://www.graficaobscura.com/merge/index.html and a unversity course on computational photography http://graphics.cs.cmu.edu/courses/15-463/2007_fall/463.html (see project 4) You may also be interested in looking at the video... http://www.ted.com/index.php/talks/view/id/129 | On a unrelated note, does anyone know of a package to automagically overlay | and auto-align/calibrate similar images. I've been doing this manually with | some packages and its quite a pain as some images have been cropped and | others have more content in them. | If you find anything of note. PLEASE email them to me, as eventually I will be looking at getting things like this in ImageMagick. Anthony Thyssen ( System Programmer ) <[EMAIL PROTECTED]> ----------------------------------------------------------------------------- Picard: Worf, do you have eleven weapons on you? Worf: Of course not, sir. Picard: Good... How many DO you have on you? Worf: Fourteen. StarTrek NG, "Strike Zone" ----------------------------------------------------------------------------- Anthony's Home is his Castle http://www.cit.gu.edu.au/~anthony/ _______________________________________________ Magick-users mailing list [email protected] http://studio.imagemagick.org/mailman/listinfo/magick-users
