{ "item_title" : "Creating Architectural Photo Models using Close Range Photogrammetry", "item_author" : [" Wilfried Karel "], "item_description" : "Virtual 3-D models of architecture featuring metric surface texture ori-ginating from photographs are becoming wanted data sets, combi-ning the geometric and photographic documentation of building con-ditions. Whenever demands on quality shall be complied with, these must be considered from data capture on. Objective quality measures have to be generated then, which should at best be presented to-gether with the model itself. With increasing project size, production time and automatic error detection become crucial. The author Wilfried Karel presents a way to meet these requirements, with a conducted project serving as example. Considerations concer-ning amateur camera calibration and on-site data capture are illustra-ted, followed by adjustment techniques integrating photogrammetric, geodetic, and parameter observations into a hybrid block, and placing special emphasis on quality estimation. For a waterproof model and a faster production, fictitious observations are introduced, regarding si-milarities and symmetries of construction. Finally, methods are illustra-ted to present the achieved quality using VRML97. The work is addressed to all quality-aware people dealing with spatial data.", "item_img_path" : "https://covers1.booksamillion.com/covers/bam/3/63/904/294/3639042948_b.jpg", "price_data" : { "retail_price" : "52.92", "online_price" : "52.92", "our_price" : "52.92", "club_price" : "52.92", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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