paul womack wrote:
(more experiments below)
My more significant concern is that my "final" optimisation,
has a disappointingly large error, and (indeed)
shows stitching glitches on final output.
Since my map is nigh 2 dimensional, and I went to considerable
pains to shoot a narrow FOV from a good distance above the
map, I believe that the mosaic model should be able to get
VERY close to perfect on this image set, and yet it doesn't.
For my project as uploaded the optimisation is:
avg: 2.28
std: 1.80
max: 16.2
Suspecting that my map might be poorly printed, I removed
all the horiz and vert control points, and just left the anchor
with a fixed roll, to keep the pano "right way up".
avg: 2.21
std: 2.18
max: 43.8
Which, despite being less constrained (more optimised) gives a worse result?!
But If I now allow the anchor roll to be optimised (rotating the whole
panorama, of course) I
get the rather better:
avg: 0.79
std: 0.57
max: 4.00
and it has swung the whole pano around 180 degrees.
If anyone can explain what's going on, I'd be grateful.
BugBear
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