Thank you sooo much Dev and Daniel. I've been waiting for this for soooo long.
> From: d...@uvic.ca > To: hugin-ptx@googlegroups.com > To: panotools-de...@lists.sourceforge.net > Subject: [hugin-ptx] Tilt transformation... > Date: Wed, 9 Sep 2009 14:03:06 -0700 > > > > (this code was brought to you by Google :) > > As you might know, Dev Gosh was one of Google Summer of Code > students. Unfortunately he only completed part of his project. > > His idea was to allow for the rotation of the camera plane in two axis: > around x, and around y. He did a good job with the math and, except for > some very minor bugs, his code worked as expected. > > For example, for the tilt on X, imagine you take a photo, then you apply > a "pitch" rotation (rotation around x), then a translation to recenter > the image on (0,0). the same applies for rotation around Y. > > When I integrated his code I discovered that it would be good to add the > ability to rotate around Z, and implemented it accordingly. > > Here is in example of the input: > > http://turingmachine.org/~dmg/temp/floorInput.jpg > > and the output: > > http://turingmachine.org/~dmg/temp/floorOutput.jpg > > and this is a photo of the same place taken: > > http://turingmachine.org/~dmg/temp/floorInput.jpg > > In this case, there is a tiltX of 32 degrees, and a tiltZ of -11 and a > shear of -125 pixels. > > I have also added 3 parameters to the parser: Tx, Ty, and Tz, which are > angles to rotate in degrees; and Ts, which is a scaling factor. > > I have the inverse transformations done. they are described here: > > http://turingmachine.org/~dmg/temp/tiltEq.pdf > > I am struggling with the inverse ones. If anybody wants to help, I'll be > grateful. This is the only roadblock to have an alpha version of it. > > Now, the real question for hugin developers: can somebody create a > branch of hugin that supports these new parameters during the > optimization? shearX, shearY, tiltX, tiltY, tiltZ and tiltScale? > > > I haven't committed my code but will do soon. in its current state the > optimizer nor the cropping works (we need the forward transform for that). > > > -- > Daniel M. German > http://turingmachine.org/ > http://silvernegative.com/ > dmg (at) uvic (dot) ca > replace (at) with @ and (dot) with . > > > _________________________________________________________________ Hotmail® is up to 70% faster. Now good news travels really fast. http://windowslive.com/online/hotmail?ocid=PID23391::T:WLMTAGL:ON:WL:en-US:WM_HYGN_faster:082009 --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "hugin and other free panoramic software" group. A list of frequently asked questions is available at: http://wiki.panotools.org/Hugin_FAQ To post to this group, send email to hugin-ptx@googlegroups.com To unsubscribe from this group, send email to hugin-ptx-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/hugin-ptx -~----------~----~----~----~------~----~------~--~---
