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Published byDwayne Phillips Modified over 9 years ago
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From Imagery to Map: Digital Photogrammetric Technologies 13 th International Scientific and Technical Conference From Imagery to Map: Digital Photogrammetric Technologies Trends in Digital Photogrammetric Workstations Andrey Sechin Scientific Director, Racurs September 2013, Fontainebleau, France
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What Drives DPW Development? New sensors – aerial cameras, lidars, satellites, gps-imu, … Computer technology New Algorithms Network technologies User experience and wishes
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New sensors Satellite imagery: Higher productivity, large blocks Aerial survey: high overlap, big color depth (>8 bits per channel), special oblique cameras, lidars
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Computer technologies 64-bit computing Multicore CPU multithreading Clusters CUDA, MIC,… Operating system Operating system – Windows 7 Home Premium 64 Processor Processor - 3 rd Generation Intel (R) Core (TM) i5- 3330 quad-core processor [3.0GHz, 6MB Shared Cache] Memory Memory – 6GB DDR3-1333MHz SDRAM [2 DIMMs]
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New algorithms Computer Vision –> algorithms Pattern recognition –> automation 3D
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Do we need 3D point clouds? Automatic 3D points conversion to vector objects: roofs, roads, … 3D geoportals, 3D GIS …3D
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Network technologies Cloud storage Software as a service Client-server architecture GEO Database/GEO PortalDPW
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User experience
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Conclusions Oblique cameras and images 64-bit software architecture Cluster computing Multithreading & multiprocessing Automation: Point clouds -> vector objects DPW & GEO Database/Portal integration Client-Server networking
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Thank you for attention
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