On 27 Jun 2011, at 07:26, Pekka Paalanen wrote:
> On Sat, 25 Jun 2011 09:12:21 +0000
> Gerhard Reitmayr <
address@hidden> wrote:
>
>> CVSROOT: /cvsroot/toon
>> Module name: tag
>> Changes by: Gerhard Reitmayr <gerhard> 11/06/25 09:12:21
>>
>> Modified files:
>> tag : absorient.h
>> src : absorient.cpp
>> Added files:
>> test : sim.cpp
>>
>> Log message:
>> added estimating a similarity transform (se3 + scale) between
>> two 3D point sets after Horn
>
> Hi,
>
> I see you refer to Horn. Are you aware of the paper by Shinji Umeyama,
> Least-Squares Estimation of Transformation Parameters Between Two Point
> Patterns, IEEE TPAMI 13(4), April 1991?
>
> I did not check your code nor which Horn's paper you refer to, but
> Umeyama claims to avoid the problem of reflections in comparison to
> Horn. IIRC the biggest difference is that Umeyama uses SVD instead of
> eigenvalue decomposition.
>
> Just in case you might find it interesting.
>
>
> Cheers.
>
> --
> Pekka Paalanen, M.Sc. (Eng.) LUT/IT, room 6505
> doctoral student
http://www.it.lut.fi/project/rtmosaic/
>
address@hidden http://www.iki.fi/pq/