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kikuchiyo
<p><i>> could you please elaborate? Do you know the corresponding point pairs (known_i,target_i)?</i></p>
<p>Each <code>known_i</code> and <code>target_i</code> point represents an unique named feature of the original image, and their locations (thus, the vectors between any two <code>known_i</code> and <code>target_j</code> point) are fixed on the reference image.</p>
<p><i>> There are many "transformations", I remember seeing a projection model based on a 4x4 matrix in uni.</i></p>
<p>The list of possible transformations include translation, rotation, skewing (so all affine transformations) plus barrel distortion, lens distortion etc. Think of a reference version of a poster in an image authoring software vs. the same poster photographed with a potato camera, not necessarily from a head-on orientation.</p>
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