[cnuhyl]

Hi

In First SPP analysis I select 570967 PS point.

In second APS analysis I select PS point with Temporal Coherence bigger than 0.7 and select 33392 PS point

In second SPP analysis I set the Temporal coherence equal 0,but only select 33392 PS point????
Why? The number of PS point is so small???

More information in the attachment. Thank you very much.

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[periz]

Hi cnuhyl,

the infos you are providing are too few to understand your case.
First of all, in the PSC selection there is also a sparsing operation applied (points are made sparser according to the DS and DL values). You should check it.
Secondly, I am wondering whether your overwrote the coherence file.
To understand better, I suggest you load the temporal coherence using the “load mask” function in “site processing” (threshold =0).
Then you can also plot the values or check the histogram to see what you physically have in the file.
dp

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