%PDF-1.4 % 1 0 obj << /Type /Pages /Count 1 /Kids [ 2 0 R ] >> endobj 2 0 obj << /Type /Page /Parent 1 0 R /Resources << /ProcSet [ /PDF /Text /ImageB /ImageC /ImageI ] /Font << /QuickPDFFe2dd9385 73 0 R /QuickPDFF900ebb30 115 0 R >> >> /Contents [ 5 0 R ] /MediaBox [ 0 0 595.2756 841.8898 ] /CropBox [ 0 0 595.2756 841.8898 ] >> endobj 3 0 obj << /Type /Catalog /Pages 1 0 R /Metadata 116 0 R >> endobj 4 0 obj << /Producer (Debenu Quick PDF Library 11.15 \(www.debenu.com\)) /Creator (Debenu Quick PDF Library 11.15 \(www.debenu.com\)) /CreationDate (D:20210628125556+02'00') /ModDate (D:20210628125556+02'00') >> endobj 5 0 obj << /Length 3388 /LC /iSQP >> stream 0 Tr /QuickPDFF900ebb30 14 Tf 0 0 0 rg 100 Tz 0 Tw 0 Tc 0 Ts BT 1 0 0 1 72.6648 770.8329 Tm (Basic Data Survey and Investigation of Urban Renewal and Reconstruction)Tj 1 0 0 1 181.9418 752.1709 Tm (Based on Multi-technology Integration)Tj ET /QuickPDFF900ebb30 11 Tf 0 0 0 rg BT 1 0 0 1 212.8278 717.2179 Tm (Du Shunji and He Qian \(China, PR\))Tj ET /QuickPDFF900ebb30 11 Tf 0 0 0 rg BT 1 0 0 1 56.6929 675.188 Tm 14.663 TL (Key words: )' ET /QuickPDFFe2dd9385 11 Tf 0 0 0 rg BT 1 0 0 1 141.7323 675.188 Tm 14.454 TL (Engineering survey; Urban renewal; urban renewal; basic data survey; UAV remote)' (sensing; informationization surveying and mapping)' ET /QuickPDFF900ebb30 11 Tf 0 0 0 rg BT 1 0 0 1 56.6929 632.6683 Tm 14.663 TL (SUMMARY)' ET /QuickPDFFe2dd9385 11 Tf 0 0 0 rg BT 1 0 0 1 56.6929 604.3219 Tm 14.454 TL (At present, China's big cities are undergoing vigorous development and construction, especially since the)' (21st century, the area and social capacity is becoming more and more big, leading to a certain degree of)' ("urban diseases" such as residential environment congestion, traffic jams and urban waterlogging. Therefore,)' (in recent years, local governments are vigorously promoting urban renewal, especially for surrounding old)' (villages or industrial backward areas can be rebuilt without increasing the land area, but it can realize)' (multi-regional development, improve living environment and improve urban quality.)' ()' (In the process of urban renewal, basic data survey is the basic work that needs to be carried out in the early)' (stage of the project. It is necessary to fully investigate the current situation data of population, housing, land,)' (cultural relics and other current data in the renewal area, so as to carry out scientific renewal planning and)' (implementation. In order to ensure data quality and work efficiency, we have adopted a series of surveying)' (and mapping technology.)' ()' (We adopt mobile phone programming to realize real estate information collection and area automatic)' (calculation,utilize unmanned aerial vehicle \(UAV\) and 3D laser scanning technology to establish a real 3D)' (model of the reconstructed area and building, and use FME to achieve quality inspection and database)' (construction.A village spatial information mapping and modeling production system with integrated)' (technology has been built,which can quickly and accurately obtain geospatial data.Through several actual)' (projects test and the verification by independent third-party testing agency, it shows that the measurement)' (results of this method meet the requirements of the relevant specifications of the real estate and urban)' (renewal survey, improve efficiency and diversity of results,and can provide important data support for design)' (renewal planning, cultural relic protection and illegal land use monitoring. )' ET /QuickPDFFe2dd9385 10 Tf 0 0 0 rg BT 1 0 0 1 56.6929 163.8497 Tm 13.14 TL (__________________________________________________________________________________________)' ()' (Basic Data Survey and Investigation of Urban Renewal and Reconstruction Based on Multi-technology Integration)' (\(11098\))' (Du Shunji and He Qian \(China, PR\))' ()' (FIG e-Working Week 2021)' (Smart Surveyors for Land and Water Management - Challenges in a New Reality)' (Virtually in the Netherlands, 2125 June 2021)' ET endstream endobj 6 0 obj << /Length 316 /Filter /FlateDecode >> stream xMRKnCAۿSpk`y^Uu[jIɒT%C/:b}Rx\%=
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