I started the timer when the program started to load the photos and stopped the timer when the picture was ready. Because the stacking programs have differences in how they handle the pictures I wanted to time the entire process from loading the pictures to final stack. The stack consists of 849 TIFF photos 114MB each. The second example is the photos I used to make the crossed eye stereo of the pyrite mineral above. More pictures use more computer time to stack, so for large stacks time is more important. Cross eyed stereo of Pyrite, Photo Jörgen Hellberg I could not with any significance measure a difference between having the pictures on the hard drive or on the external drive. Zerene StackerĪfter loading the pictures in Zerene Stacker, stacking them using PMax I measured 2 minutes and 41 seconds stacking time or more than 0.7 photos per second. With hardware acceleration I measured a little less than 9 seconds stacking time or approximately 12 photos per second. Helicons other methods was almost identically fast. I choose method C because it is the method that is most comparable to one of Zerene Stacker methods – PMax. Helicon FocusĪfter, loading the set and then stacked them using method C I measured a 21 second stacking time or more than 5 photos per second. The stack consists of 102 JPG photos 3MB each. The first set is this picture of three pollen grains. Using hardware acceleration can significantly speed up the stacking process but is not necessary. For this test I have used my old GeForce GTX 980. Helicon Focus can use OpenCL hardware acceleration.
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