cybereye wrote:Hello Ivo!
I was just wondering if you could provide some references/papers regarding how the denoise is done when I turn off the tracking. The main thing I'm coming to grips with is getting the optimum grain-size to do the denoise. Is bigger better (depending on data of course) or is there a point of diminishing returns...?
chrischarlesjax wrote:Correct me if I'm wrong, but I think PixInsight has a tracking feature as well. I believe you can go back and remove specific functions in that program as well.
admin wrote:chrischarlesjax wrote:Correct me if I'm wrong, but I think PixInsight has a tracking feature as well. I believe you can go back and remove specific functions in that program as well.
(Un)fortunately an undo history, or a process container is not the same as what Tracking does in StarTools. The algorithms/filters in a simple undo history or process container cannot (and do not) consult super position states of the data if they were not explicitly created, nor are these super position states (and associated stats) consulted by the filters and algorithms (as they are not explicitly available at all times in other programs like PI). Lastly, the algorithms and filters are not aware of eachother or their most optimal sequence in the processing flow. PI will happily allow you to apply deconvolution or color calibration to stretched data, apply ABE/DBE (e.g. light pollution or sky glow subtraction) to heavily processed data, and perform noise reduction anywhere in the processing flow.
To learn more about Tracking in ST, have a read here.
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