I want to use DLT method (direct linear transformation) in my human movement analysis and I know this method is require low cost systems and work on image processing but this method is working on calibration of cameras not to reconstruction the markers in images, I'm looking for an explicit instruction to find right path of this method in my projects and I know this method has errors and its not like the expensive instruments in biomechanics labs but its useful in 2D projects and some how I hope it will be good in 3D projects.
finally I found the source i look for it and its an article was published in 1971 by Y.I Abdel-Aziz and Dr. H.M. Kara as the name < Direct Linear Transformation from Comparator Coordinates into Object Space Coordinates in Close-Range Photogrammetry> and there are a lot of researches use this method to provide 3d coordinate of human movements and analyzed the results but in this field there are several programs are available that can do the job for the researchers. as the more information.
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