?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=An+Integrated+Scan-to-BIM+Approach+for+Buildings+Energy+Performance+Evaluation+and+Retrofitting&rft.creator=Valero%2C+E&rft.creator=Mohanty%2C+DD&rft.creator=Ceklarz%2C+M&rft.creator=Tao%2C+B&rft.creator=Bosch%C3%A9%2C+F&rft.creator=Giannakis%2C+GI&rft.creator=Fenz%2C+S&rft.creator=Katsigarakis%2C+K&rft.creator=Lilis%2C+GN&rft.creator=Rovas%2C+D&rft.creator=Papanikolaou%2C+A&rft.description=Energy+retrofitting+is+paramount+to+reduce+the+use+of+energy+in+existing+buildings%2C+with+benefits+to+the+environment+and+people%E2%80%99s+economy.+The+increasing+use+of+novel+technologies+and+innovative+methodologies%2C+such+as+Terrestrial+Laser+Scanning+(TLS)+and+Building+Information+Modelling+(BIM)%2C+is+contributing+to+optimise+retrofit+processes.+In+the+context+of+energy+efficiency+retrofitting%2C+complex+semantic+3D+BIM+models+are+required+that+include+specific+information%2C+such+as+second+level+space+boundaries+(2LSBs)%2C+material+energy+performance+properties%2C+and+information+of+the+Heating+Ventilation+and+Air+Conditioning+(HVAC)+system+and+their+layout.+All+this+information+is+necessary+for+energy+analysis+of+the+existing+building+and+planning+of+effective+retrofitting+strategies.+In+this+paper%2C+we+present+an+integrated+(semi-)automated+Scan-to-BIM+approach+to+produce+BIM+models+from+point+clouds+and+photographs+of+buildings+by+means+of+computer-vision+and+artificial+intelligence+techniques%2C+as+well+as+a+Graphical+User+Interface+(GUI)+that+enables+the+user+to+complete+the+models+with+information+that+cannot+be+retrieved+by+means+of+visual+features.+Information+about+the+materials+and+their+performance+properties+as+well+as+the+specification+of+the+HVAC+component+is+obtained+from+a+database+that+integrates+information+from+BAUBOOK%2C+OKOBAUDAT+and+ASHRAE.+The+Scan-to-BIM+tool+introduced+in+this+paper+is+evaluated+with+data+from+an+inhabited+two-storey+building%2C+delivering+promising+results+in+energy+simulations.&rft.subject=BIM%3B+Energy%3B+Retrofit%3B+Scan-to-BIM%3B+TLS%3B+Photogrammetry%3B+HVAC&rft.publisher=ISARC&rft.date=2021-11&rft.type=Proceedings+paper&rft.language=eng&rft.source=+++++In%3A++Proceedings+of+the+International+Symposium+on+Automation+and+Robotics+in+Construction.++(pp.+pp.+204-211).++ISARC+(2021)+++++&rft.format=text&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F10147992%2F1%2F028%2520ISARC%25202021%2520Paper%2520166.pdf&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F10147992%2F&rft.rights=open