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New technologies for building dense DTM models, effective parallel computing strategies in PHOTOMOD 5.1

A.Yu. Sechin (Racurs)

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One of the new features of the new version 5.1 of DPW PHOTOMOD is an algorithm of building dense DTM when the height is computed in all pixels of images. To speed up these calculations CUDA technology is used.
PHOTOMOD 5.1 also introduces a new import algorithm of LIDAR data (splitting, subsampling, classification).
First results of using PHOTOMOD on 128 blades (Xeon 5500) computer cluster are presented.

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