AAMToolbox simplify point model: Difference between revisions

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[[Tutorials on the Shape modelling toolbox#1|Back to Tutorial pages]]<br>
[[Tutorials on the Shape modelling toolbox#1|Back to Tutorial pages]]<br>
 
==<span style="color:Navy;">'''What does it mean''' to best fit the shape model to a particular image point model</span>==
[[File:Walk_model_AAMToolbox.png|700px|Model Viewer]]<br><br>
All the point models were used to find the shape model. This is equivalent to <br>
===<span style="color:FireBrick;">Finding the best fit to the point model of an image</span>===
PCA finds all the coefficients need to exactly represent a part
{| border="0" cellpadding="5" cellspacing="3"
[[File:Loading_point_model_walk_AAMToolbox.png|700px|Loading a point model into ModelViewer]]<br>
|- valign="top"
In the act of loading an image file (highlighted in sub-window). The buttons needed to load an image - actually the point model associated with an image - calculate the associated weights and resetting the model again.<br><br>
|width="700pt"|The dots on the right represent the mean positions of the landmarks averaged over all the images in the model. These points mean more to us once they are joined by lines (see above screenshot). Capturing that higher meaning requires more analysis or, as in this case, human interaction (when we created the template).<br><br>Note that the point models had been normalised to the''' same scale, same rotation and same translational''' position.<br>
[[File:Deviations_of_a_particular_point_model_AAMToolbox.png|700px|Point model in ModelViewer]]<br>
|width="200pt"|[[File:Mean_shape.png|200px|The Model generator control panel]]
Result of Calculating the Weights (see button) . Notice that <br><br>
|}

Revision as of 18:52, 20 February 2012

Back to Tutorial pages

What does it mean to best fit the shape model to a particular image point model

All the point models were used to find the shape model. This is equivalent to
PCA finds all the coefficients need to exactly represent a part Loading a point model into ModelViewer
In the act of loading an image file (highlighted in sub-window). The buttons needed to load an image - actually the point model associated with an image - calculate the associated weights and resetting the model again.

Point model in ModelViewer
Result of Calculating the Weights (see button) . Notice that

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