The paper describes the process for optimizing the 3D virtual model, the implementation of the interactive scenario and the results of a proposed 3D VT/IM of redesigning model for the Qaitbay Castle Plaza. Further, the 3D virtual model was implemented by integrated steps through Virtual Tours and Informational Modeling (VT/IM) to improve real urban data of heritage sites. The scenario was realized by integrating low-cost Virtual Reality (VR) techniques, as the Kolor Panotour Pro software, some tools as Oculus Rift DK2 and the Leap Motion controller. Also, this plaza is considered as a tourist and historical area as well as the organization for paths of movement and transforming the work places for sale from street vendors to organized markets. The results of the research would be used for the renewal of the current plaza of Qaitbay castle by making it more attractive. The study includes engagement tool of historic conservation in Alexandria, brings historic spaces and buildings to users in detailed studies whether researchers or students. This site discusses a conceptual and practical workflow for the development of virtual heritage platforms as a research area, educational purpose. So, this paper focuses in using various digital restoration techniques and methods to investigate and incorporate a cultural-feed into digital platforms of VH especially at Alexandria in Egypt as Qaitbay castle plaza. So, Virtual Heritage Environments (VHE) suffers from the lack of ‘thematic interactivity’ due to the limited cultural heritage content and engaging modules largely used in photorealistic systems. Yet, human attitude and cultural traditions remain a gap in current research and advanced technology in heritage visualization. Digital models of historical buildings and its urban spaces only give a sense of precision for their historical values. Beside, using Geographical Information System (GIS) and Google earth model to define these urban heritage sites accurately with all database related to the specific area under study. One of these techniques is Virtual Reality (VR) that could be used to improve the field of Virtual Heritage (VH) which is directed towards accurate representation of historic structures in urban heritage sites, objects or artefacts. There are various restoration methods and techniques that would help specialists whether planners, designers and archeologists to study historical sites and their valued heritage buildings in various cities at Egypt as Alexandria governorate which is considered as one of heritage towns. The content of the platform could be accessed with a smartphone and viewed with a virtual reality device and could promote both tourist attractions and wind energy. Subsequently, multimedia materials providing information on wind turbine attributes were combined with the panorama platform to establish a virtual reality tour platform. The RMSEs of the panoramas of all stations were all less than 5 pixels. The stitching quality was improved by resolving eccentricity and by increasing the number of tie points. According to the study results, the overlap rate between the original images was inversely proportional to the RMSE and directly proportional to the time required for photography and image processing. Errors due to eccentricity attributed to the camera’s relative position to the rotational axis of the multi-row panorama instrument were examined and solved the effect of the overlap rate on image stitching quality was also investigated. Subsequently, the image stitching quality was improved by calculating the root mean square error (RMSE) of tie point matching and adjusting the tie points. A virtual tour of the onshore wind farm near Gaomei Wetland, Taichung City, Taiwan, was produced by producing panoramic images of the site by stitching images captured with a full-frame digital single-lens reflex camera and a multi-row panorama instrument, which automatically and precisely divided each scene into several images.
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