Tenders Are Invited For Photogrammetry Services – Detection Of Arbitrary Construction With Modern Technologi ... in Greece

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Photogrammetry Services – Detection Of Arbitrary Construction With Modern Technological Means. Illegal Construction Continues To Be A Perennial And Significant Problem For The Natural And Built Environment. With Law 5106/2024, The State Services Are Expected To Be Equipped With New Tools And Digital Media To Deal With It And Support Their Business Processes. The Goal Is To Create An Integrated System That Will Make Use Of New Gis And Ai Technologies In Combination With The Existing Information Systems Of The Tee (E.G. E-Permits, Declarations Of Unauthorized Persons, Htk And Epx) And With New And Repeated High-Resolution Aerial Photography With Manned Aircraft And Uavs, For The Effective Detection And Immediate Control Of Cases Of Arbitrary Construction In Application Of N.4495/17 And The Local Enforcement And Implementation Of The Relevant Legislation. It Thus Becomes Possible To Detect And Check If Any Arbitrary Construction Is Being Made. It Includes The Following Tasks: • Application Of A.I Algorithms To A Historical Reference Background 2011 And A Recent Background 2024 (Orthoimages) Which Have Been Produced From Satellite Images And Will Be Made Available By The Ministry Of The Interior And The Tee, In Order To Compare And Identify The Difference Of Buildings From 2011 To 2024 And The Export Of Their Contours In An Area Of ​​30,000 Km2. Georeferencing Of The Topographical Diagrams Of The Building Permits Of The Ydom (Until 2019) And Transfer Of The Topographical Diagrams From E-Permits (From 2019 Onwards) To Locate The Buildings After 2011 Without A Building Permit. • Production Of A Digital Orthophoto Map With An Accuracy Of Up To 20 Cm, From Aerial Photography, With A Terrain Resolution Of 10 Cm And Lidar, To Cover 20,000 Square Meters. Kilometers Of The Country, In Addition To The Areas That Have Already Been Covered During The Period 2022-2024 Within The Framework Of The Single Digital Map And 3D Register Of Buildings Projects Implemented By Tee, Distributed Nationwide In The Countrys Urban Centers, With An Emphasis On Coastal Areas And As A Priority In Areas With Increased Problems Of Arbitrary Construction. Creation Of A Digital Terrain Model (Dtm) And Surface (Dsm) And 3D Digitization Of Approx. 1,000,000 Buildings, With Calculation Of Coverage, Total Built Surface, Base And Top Elevation And The Creation Of A 3D Register Of Buildings And Integration Of The Above Data Into The Epa For Their Management And Processing With The Rest Of This Data. • Development Of Applications, Tools And Electronic Services In The Single Digital Map Information System For The Implementation Of The Online Platform For Spatial Localization And Assessment Of Potentially Arbitrary Construction With A Combination Of Spatial Analysis, Multi-Criteria Processing And The Use Of Deep Machine Learning And Customized Ai Algorithms. Interoperability With The Unified Electronic Complaints System (E.H.S.Y.Ka), Which Is Planned To Be Implemented Based On Law 5106/2024 And Implementation Of Applications And Tools To Serve The Work Of Building Inspectors And Echelon Inspections

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