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image registration

Alexia werk
Posted 11 years ago

can someone has idea how to start with two totally different image for registration. Both image has few points which I marked. Then I want to make registration.

coordinate-img1 = {{125, 205}, {266, 190}, {102, 49}, {191, 32}, {258, 38}};
coordinate-img2 = {{280, 250}, {103, 251}, {91, 56}, {200, 44}, {284, 57}};

are position of the markers in both images landmark based registration or pointwise registration ? No idea how to strat with.
POSTED BY: Alexia werk
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Alexia werk
Alexia werk
Posted 11 years ago
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POSTED BY: Alexia werk
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POSTED BY: Henrik Schachner
Alexia werk
Alexia werk
Posted 11 years ago

Thanks all. Not working for these points

coordimg1 = {{309., 174.}, {252., 98.}, {113., 116.}, {181., 161.}}

coordimg2 = {{314., 145.}, {267., 120.}, {159., 129.}, {215., 161.}}
POSTED BY: Alexia werk

Here the markers are solid. Try this:

In[82]:= Union[
 PixelValue[image, 
  PixelValuePositions[ColorDistance[image, Green], Black, .1]]]

Out[82]= {{0., 0.976471, 0., 1.}}
POSTED BY: Shadi Ashnai
Alexia werk
Alexia werk
Posted 11 years ago

see the attachment.

HighlightImage[img1, coordimg1, "HighlightColor" -> Green, Method -> {"CrossMarkers", 8}];

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POSTED BY: Alexia werk

Method->"CrossMarkers" in HighlightImage are solid (or, at least, supposed to be). If you see this differently, please send us an example.
POSTED BY: Shadi Ashnai
Alexia werk
Alexia werk
Posted 11 years ago

With highlight function can we also make the crossmarker solid. The marker does not looks so solid. I tried but it seems its not avilable with this.
POSTED BY: Alexia werk
Alexia werk
Alexia werk
Posted 11 years ago

Thank you so much.
POSTED BY: Alexia werk

Hi Alexia,

I think your problem can nicely be solved: The function FindGeometricTransform is made for this kind of task. The crucial thing is to re-oder one of the sets of points, so that there is a correspondence between the points of both sets - see attached notebook. Hope that helps!

Regards -- Henrik

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POSTED BY: Henrik Schachner
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