VIIIth International Scientific and Technical Conference From Imagery

VIIIth International Scientific and Technical Conference From Imagery to Map: Digital Photogrammetric Technologies PHOTOMOD 5 What is upcoming Alexey B. Elizarov Deputy Head of Software Development Department Racurs September 15– 18, 2008, Porec, Croatia

PHOTOMOD History Version 1. 3 (1994) Single stereopair processing Central projection images Version 2. 0 (1999) Tens, hundreds of images Block aerotriangulation Version 3. 0 (2001) Hundreds of images Pushbroom satellite images processing Semiautomatic internal orientation Version 3. 5 (2003) Distributed network storage system Version 4. 0 (2006) Thousands of images Fully automatic tie points measurements

Current Photogrammetric Processing Requirements Large blocks (over 10 000 images) Images with high color depth (16 bit samples), multichannel (4 and more channels) Stereoprocessing of any two overlapping images

PHOTOMOD 5. Software Modules Montage Desktop Project management AT Internal orientation, manual tie point measurements AAT Automated tie point measurements Solver Central projection and pushbroom adjustment Stereo. Module Stereoprocessing, combines DTM and Stereo. Draw DTM generation and editing Stereo. Draw 3 D digitizing in stereo mode, topology, code table handling Mosaic Orthorectification and orthomosaicing

PHOTOMOD 5. Project Management Large block support (over 20 000 images) Speed up global block operations Integration of AT and Solver to speed up aerotriangulation, locating and correcting blunders Several graphical modes No graphics—for huge blocks (recommended for blocks over 5000 images) Limited graphics—for large blocks (recommended for blocks of 1000— 5000 images) Full graphics—for medium size and small blocks (recommended for blocks up to 1000 images)

PHOTOMOD 5. More Flexible Workflow Override of fixed stage sequence while retaining clear workflow Ability of stereoprocessing before completing triangulation Stereoprocessing of any two overlapping images

PHOTOMOD 5. Improved Raster Images Support 16 bit samples Any number of channels Storing rasters in source color format inside the project Selection of channels to process at any time Support of rasters over 4 GB size

PHOTOMOD 5. Improved Correlator Improved reliability: Multichannel support High color depth support Multi-image matching

PHOTOMOD 5. Internal Orientation Fully automatic internal orientation for film cameras (using cameras library) Improved graphical display of the results (for easier detection of blunders)

PHOTOMOD 5. Stereoprocessing (DTM & Stereo. Draw) New Stereo. Module: combines DTM and Stereo. Draw functions On-the-fly TIN and contour lines Big amounts of pickets (tens of millions of points, laser scanner data)

PHOTOMOD 5. Distributed Batch Processing Batch mode processing distributed over LAN: Adding images to the project Automatic internal orientation Automatic tie point measurement and triangulation DTM generation Orthomosaicing

PHOTOMOD 5. Data Structure Optimization Directed to effectively support large blocks More user-friendly resources system Added ability to attach directories File names match resource names Steps to open standards

PHOTOMOD 5. Other Advantages Camera self-calibration Laser scanner data processing New pushbroom sensors Improved True. Ortho

PHOTOMOD 5. Hardware Requirements Professional videocards with Open. GL support (512 MB or more of memory) Multicore processor (for parallel distributed processing) System memory 2 GB or more

PHOTOMOD 5. Release Time Production testing: winter 2009 Commercial release: spring 2009

Further PHOTOMOD Development Combined central projection and pushbroom blocks More automation More parallel processing Speeding up Improving DTM operation Improving correlator Improving automated tie points measurements 3 D-modeling Automatic feature extraction More. . .

Thank you for attention!