All countries around the world are blessed with particularly rich cultural heritage. Nowadays, many researchers are exploring different methods for documentation, management, and sustainability of cultural heritage. The aim of this article is to review the state-of-the-art documentation, management, and sustainability techniques in the field of cultural heritage based on the case study in the Museum of King Jan III’s Palace at Wilanów. Various 2D/3D image and range-based methods are discussed demonstrating their applications and drawbacks. The geographical information system (GIS) is presented as a method for management, storage, and maintenance of cultural heritage documentation.
Cultural heritage objects are affected by a wide range of factors causing their deterioration and decay over time such as ground deformations, changes in hydrographic conditions, vibrations or excess of moisture, which can cause scratches and cracks formation in the case of historic buildings. The electromagnetic spectroscopy has been widely used for non-destructive structural health monitoring of concrete structures. However, the limitation of this technology is a lack of geolocalisation in the space for multispectral architectural documentation. The aim of this study is to examine different geolocalisation methods in order to determine the position of the sensor system, which will then allow to georeference the results of measurements performed by this device and apply corrections to the sensor response, which is a crucial element required for further data processing related to the object structure and its features. The classical surveying, terrestrial laser scanning (TLS), and Structure-from-Motion (SfM) photogrammetry methods were used in this investigation at three test sites. The methods were reviewed and investigated. The results indicated that TLS technique should be applied for simple structures and plain textures, while the SfM technique should be used for marble-based and other translucent or semi-translucent structures in order to achieve the highest accuracy for geolocalisation of the proposed sensor system.
Cultural heritage is the evidence of the past. Nowadays monumental objects create the important part of the cultural heritage, so it is essential to document this type of objects and perform structural health monitoring analysis for preservation.Currently, the digital architectural documentation is recorded as vector drawings, digital object models, 3D models or orthoimages, which are the obligatory form of the inventory of historical objects [1]. In order to generate this type of high resolution and high quality documentation, different sensors as well as appropriate methods are used. The aim of this paper is to present both the conception of the novel surveying device (based on RGB camera, Terrestrial Laser Scanning -TLS with electromagnetic sensor) and methodology of data processing. This paper will review existing state of the art sensors and discuss their advantages and disadvantages as well as the further improvement of such sensors. Additionally, the conception of the new architectural documentation will be described.
Introduction Due to the increasing incidence of skin cancer in the last decades a wide promotion of proper sun protection is needed. Mothers and their children commonly spending time outdoors are particularly vulnerable to the harmful effects of sunlight. Aim To assess health awareness and behaviours connected to sun protection in the group of mothers of children under 6 years of age. Material and methods An online survey containing 23 questions (19 closed and 4 open) was carried out between July and August 2019. One hundred and seven women (mean age: 30.7 ±4.3years) participated in the study. The mean age of children was 1.9 ±1.6years (range: 0–6 years). Results One hundred and five (98.1%) mothers declared using sunscreen. Of them, 36 women used sunscreen only in summer, while 14 women applied sunscreen all year. Mothers of younger children used sunscreen all year round significantly more often ( p = 0.041) compared to mothers of older children. Mothers of children under the age of 1 used sunscreen when staying in the shade more often ( p = 0.025) than mothers of older children. Only 14 (13.3%) women declared applying sunscreen on their children during cloudy weather. Conclusions A good photoprotection awareness of mothers, especially with respect to the youngest children was observed. However, a need for further education regarding certain photoprotection aspects (proper application and damaging effect of UVA) is necessary.
Abstract. Nowadays, cultural heritage is an integral part of modern societies and it is necessary to preserve the tangible and intangible evidences of the past. Cultural heritage objects and sites are being devastated by natural causes and human acts. There are many existing techniques for structural health monitoring, but in the cultural heritage area, there is a need for a non-destructive measurements. The main advantages and drawbacks of some of these technologies have been presented for both laser scanner and photogrammetry techniques. The aim of this article is to present the integration of existing methods for spatial documentation (classical surveying, laser scanner, photogrammetry) and structures health monitoring using electromagnetic spectroscopy. The multi-sensor platform was developed to characterise and analyse various building materials such as marble, sandstone and bricks. The spatial techniques were used for generation of architectural documentation and geolocalisation of the multi-sensor platform. The preliminary results demonstrated that the proposed technology enables commonly used image and rage-based surface measurements as well as measurements through the entire structure for more detailed analysis.
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