day I have tried a grid chart I have with low contrast features like red
lines on white paper......PSCS3 did not like that very much>>>>>>
I have to take that back. Just after I wrote this I got an idea to do the
test differently again. I applied the ptlens filter to the images before
auto layer alignment. Auto blended duplicated layers and tested the
difference of each layer (autoaligned) against the blend.....nearly a
4 hand held test images were taken with Canon G3 on a grid target (red
lines on white paper low contrast) 1m distance with deliberate shift of
min 1 inch in 4 directions. Import in to CS3>apply PTlens>compile in one
doc as 1 background and 3 layers>select all layers>auto align layers>make
duplicate image >convert background to layer>select 1/4 section of each
layer with overlap to each layer and delete inversed selection>select all
layers>apply auto blend layers>flatten layers>import alingned 1st image as
layers on the flattened duplicate>blend option show difference of each
layer from the top one after the other.
3 out of 4 layers were pitch black perfect, only one showed one section a
neglectable pitch off.
I did the auto blend layer copy because each test shot had a light
variation from the shifting and different built-in flash directions and
slight focal changes (back and forth an inch or two).
That is impressive result to me. It would be a good and fast way to align
frames for a time lapse movie, after all.
360° Immersive Imaging
Photographic Virtual Reality
Skype me @ vrdundee
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