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  • Friedrich Miescher Institute for Biomedical Research [www]
  • Center for Biological Systems Analysis [www]
 

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devel:improving_data_structures [2010/03/12 15:11]
mario
devel:improving_data_structures [2010/04/10 10:36] (current)
mario added Pairs of Tiles
Line 14: Line 14:
 The data type '​pairwise_displacements'​ is used tightly with The data type '​pairwise_displacements'​ is used tightly with
    * '​pairwise_correlation_coeff'​    * '​pairwise_correlation_coeff'​
 +
 +==== Pairs of Tiles ====
 +
 +Pairs of tiles (**PoT**) are a cornerstone of the concept of stitching. Here is a collection of information that a **PoT** can be assigned:
 +
 +   * Is a displacement known (multiple combinations of these are possible):
 +     * Is a displacement known from stage coordinates?​ This will not have a correlation coefficient assigned.
 +     * Is a displacement known from manual pre-alignment?​ This will not have a correlation coefficient assigned.
 +     * Is a displacement known from phase-only correlation?​ This will have a correlation coefficient assigned that has no absolute meaning, and is useful only in relation to other correlation coefficients of the same pair.
 +     * Is a displacement known from normalized cross-correlation?​ This will have a quantitative correlation coefficient assigned.
 +   * Are both tiles currently in RAM available?
 +
 +Multiple combinations of known displacements are possible. For some displacement types, a list can emerge: i.e. several positions can have been cross-correlated with different correlation coefficients.
 +
 +
 +
devel/improving_data_structures.txt ยท Last modified: 2010/04/10 10:36 by mario
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