This is the Windows app named fastPTOptimizer whose latest release can be downloaded as libpano13-2021-06-07.zip. It can be run online in the free hosting provider OnWorks for workstations.
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Wine is a way to run Windows software on Linux, but with no Windows required. Wine is an open-source Windows compatibility layer that can run Windows programs directly on any Linux desktop. Essentially, Wine is trying to re-implement enough of Windows from scratch so that it can run all those Windows applications without actually needing Windows.
This is a fork of Panorama Tools / libpano13-2.9.21 Mercurial.
PTOptimizer is part of panorama tools, a great software for aligning and stitching several partially overlapping photos in order to get a bigger photo. When you have only a small or medium number of images and control points, the original PTOptimizer does the optimization in a fairly short time.
However if you have a large number of images (several hundrets or more than thousand) and control points, PTOptimizer typically needs much time (up to several days) for the optimization of the parameters.
fastPTOptimizer decreases the processing time for large panoramas (a speedup factor of 100 or more can be achieved). This is possible by exploiting the sparseness of the mathematical optimization problem. The original PTOptimizer uses the well proven Levenberg Marquardt optimizer lmdif from the minpack software. fastPTOptimizer uses a "sparse" optimizer lmdif_sparse that uses the SuiteSparse library.
This is an application that can also be fetched from https://sourceforge.net/projects/fastptoptimizer/. It has been hosted in OnWorks in order to be run online in an easiest way from one of our free Operative Systems.