Mike, due to limitations in registax I find myself adding more and more features to ppmcentre to compensate.
In this case I found that if I resampled my images 2x before aligning then registax has a lot of trouble getting a good quality estimate on each image, and after the align phase the images are still more-or-less in random order. The problem is that the raw images become too large for the algorithms that registax is using.
I worked around this by adding the quality estimator function to ppmcentre and having it re-number the output images according to their quality, best image becomes 00001, next best image is 00002 etc down to worst images at the end. This means I can choose the first 1/2 or 1/3 of the processed frames and drag them into registax and not have to worry about how good/bad the quality estimator in registax happens to be. I just process all of the images I drag in.
Bird
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