Hi,I gave that a quick try, see attached. (One can easily fine tune that further.)
Looking at your version: I think it is harmful to optimise plane pitch and yaw here; the first lens parameters should be optimised (eg a and b); given that there is a grid it is helpful and very easy to define a few horizontal and vertical lines; you can remove many control points that are in areas of low contrast, especially the water, because you can't trust them. However, there are limits to what one can expect as the map is not completely flat.
cheers, lukas wirz On 02/07/2025 23:42, Martim Passos wrote:
Hi, I'm stitching non-panoramic images of a map and, after reading the flat scan tutorial and some threads here about doing one or two images at a time, parameter optimization order, etc, I achieved what I believe to be a decent result. The main issue is that the top row seems pitched, even though I was very cautious with camera leveling and distance to subject (not as much with consistent overlapping I'm afraid) I wonder if anyone more experienced could help me go a step further? The source images can be found in this Google Drive folder <https://drive.google.com/drive/folders/1LGUipCbT6L9Rn2Jkie9CRsAPzqLXp7Bq?usp=drive_link>, and the project file is attached below. I'm happy to try improving it myself if anyone provides pointers too. Thanks!
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1965_01-1965_26_mine.pto
Description: application/ptoptimizer-script
