Comparative analysis of the inventory process using manual measurements and laser scanning

Laser scanning allows the acquiring of spatial data about existing objects. It is used as a modern inventory technique, most often in the creation of archival or conservation documentation. It gives the opportunity to obtain a very large amount of spatial data of the facility thus helping to improve operations in the field of conservation but also reduces the margin of error in the inventory and then design documentation. It is useful due to the growing BIM technology, through which three-dimensional models of existing objects of various scales are obtained. This article presents research comparing the traditional measurement method and the modern one with the use of a laser scanner. The research is a compilation of the duration of architectural inventory techniques as well as the accuracy of the measurements made and of the following architectural drawings. The result of the research is a relative percentage ratio showing the acceleration of inventory works with a simple construction object using modern assistive techniques compared to the traditional method

The analysis of spatial and functional modifi cations of the palace in Krzesimów in Mełgiew commune aiming at adaptation of the building to the requirements of a social welfare home

The palace in Krzesimów was built in the classicist style at the beginning of 19th century. The building is the part of the palace-park complex entered into the register of monuments because of its historical, aesthetical and landscape values. From 1970s, it is the headquarters of a social welfare home. Over the years, this function enforced many changes in the functional layout of the building to adapt it to the needs of people with various types and levels of disability. Despite many minor renovations and modifi cations, the palace didn’t undergo complete overhaul, which would greatly improve the technical condition of the original fabric. This aim of article is to analyse introduced functional changes, which were supposed to facilitate the use of the building by the handicapped, and to consider what actions must be undertaken in order to improve its technical condition. The authors of the paper underline the need to start renovation works on the basis of the archive documentation, as well as conducted survey and research of its current technical condition

How to avoid false positive hyperdense middle cerebral artery sign detection in ischemic stroke

Objectives: The aim of the study was to find how to differentiate hyperdense middle cerebral artery sign (HMCAS) in stroke patients from asymmetric hyperdensity not related to stroke, by comparison of the CT density values typical for HMCAS to the values in normal or atherosclerotic middle cerebral artery (MCA). Methods: The group analyzed consisted of 100 patients with ischemic stroke, presenting HMCAS on the admission CT. Density measurements in HU were performed in the hyperdense segment of the involved MCA, contralateral MCA, brain cortex adjacent to the hyperdense MCA. The control group consisted of 100 patients with no symptoms of cerebral stroke. Density measurements in HU were performed: in the M1 segment of right and left MCA, brain cortex adjacent to the more dense from right or left MCA. Results: In the stroke group the median values obtained were: in the hyperdense MCA 59 HU, contralateral MCA 41 HU, brain cortex 36 HU. In the control group the median values obtained were: in the more dense MCA 43 HU, contralateral MCA 40 HU, brain cortex 34 HU. The range of HMCAS/contralateral MCA density ratios in stroke only slightly overlapped the range of more dense MCA/contralateral MCA density ratios in non-stroke patients. Conclusion: The ratio of hyperdense MCA CT density/contralateral density is a good tool to differentiate HMCAS from asymmetric hyperdensity not related to stroke. The threshold ≥1.16 provided 100% sensitivity and 97% specificity, whereas ≥1.22 provided 94% sensitivity and 100% specificity

Hyperdense middle cerebral artery sign as the only radiological manifestation of hyperacute ischemic stroke in computed tomography

Objectives: The main aim of the study was to find the effect of hyperdense middle cerebral artery sign (HMCAS), as the only admission computed tomography (CT) manifestation of ischemic stroke involving middle cerebral artery (MCA) region, on the extent of stroke measured by Alberta Stroke Program Early CT score (ASPECTS) in the follow-up CT. The secondary aim was to determine the correlation between length of hyperdense MCA segment on admission CT and ASPECTS in follow-up CT. Methods: The group analyzed consisted of 118 patients with ischemic MCA region stroke, with no early signs of brain tissue ischemia on admission CT, but infarcts confirmed in follow-up CT, with extent evaluated using ASPECTS. For the subgroups: 66 patients with HMCAS present and 52 with HMCAS absent, median ASPECTS values were compared. In the subgroup with HMCAS present, length of hyperdense segment was measured and correlation with ASPECTS was determined. Results: The median ASPECTS 6 (min. 0, max. 9) in the subgroup with HMCAS present was significantly lower, compared to the score 8.5 (min. 0, max. 9) in the subgroup with HMCAS absent. Moderate correlation between the length of hyperdense segment and ASPECTS was found (R = -0.45). Conclusion: In patients with ischemic stroke involving MCA region and no early signs of brain tissue ischemia on the admission CT, HMCAS is associated with significantly lower ASPECTS in the follow-up CT. There is moderate correlation between the length of hyperdense MCA segment and ASPECTS

The effect of software post-processing applications on identification of the penumbra and core within the ischaemic region in perfusion computed tomography

Purpose: Assessment of software applications designed for post-processing of CT imaging data and perfusion maps in terms of their ability to consistently define the penumbra and core in an ischemic area. Material and methods: This study is based on measurements conducted in a group of 65 patients with neurological symptoms suggestive of ischaemia in the area of the MCA within 12 hours following onset of the first symptoms. Non-contrast and perfusion CT were performed during an emergency duty. The acquired data were processed using various programs to obtain defined ischaemic areas and parameters. Finally, the results obtained were compared to the distribution of penumbra and core within the ischaemic area received from different perfusion mapping programs. Results: The programs designed to convert the acquired data and to map the distribution of perfusion were also assessed for their viability in dividing the ischaemic zone into penumbra and core. There was a statistically strong correlation (0.784-0.846) between results obtained by processing of imaging data with two different packages, and then by post-processing with one package, and a poor correlation (0.315-0.554) between results obtained by processing of data with the same package, and post-processing with two different packages designed for measuring penumbra and core areas. Conclusions: The results obtained by processing of imaging data with different software applications and by post-processing with one program developed for identifying penumbra and core areas show a strong correlation. However, the results obtained by processing imaging data with the same software application and by post-processing with different programs measuring penumbra and core areas reveal poor correlation

Hyperdense middle cerebral artery sign as the only radiological manifestation of hyperacute ischemic stroke in computed tomography

Objectives The main aim of the study was to find the effect of hyperdense middle cerebral artery sign (HMCAS), as the only admission computed tomography (CT) manifestation of ischemic stroke involving middle cerebral artery (MCA) region, on the extent of stroke measured by Alberta Stroke Program Early CT score (ASPECTS) in the follow-up CT. The secondary aim was to determine the correlation between length of hyperdense MCA segment on admission CT and ASPECTS in follow-up CT. Methods The group analyzed consisted of 118 patients with ischemic MCA region stroke, with no early signs of brain tissue ischemia on admission CT, but infarcts confirmed in follow-up CT, with extent evaluated using ASPECTS. For the subgroups: 66 patients with HMCAS present and 52 with HMCAS absent, median ASPECTS values were compared. In the subgroup with HMCAS present, length of hyperdense segment was measured and correlation with ASPECTS was determined. Results The median ASPECTS 6 (min. 0, max. 9) in the subgroup with HMCAS present was significantly lower, compared to the score 8.5 (min. 0, max. 9) in the subgroup with HMCAS absent. Moderate correlation between the length of hyperdense segment and ASPECTS was found (R=−0.45). Conclusion In patients with ischemic stroke involving MCA region and no early signs of brain tissue ischemia on the admission CT, HMCAS is associated with significantly lower ASPECTS in the follow-up CT. There is moderate correlation between the length of hyperdense MCA segment and ASPECTS

How to avoid false positive hyperdense middle cerebral artery sign detection in ischemic stroke

Objectives The aim of the study was to find how to differentiate hyperdense middle cerebral artery sign (HMCAS) in stroke patients from asymmetric hyperdensity not related to stroke, by comparison of the CT density values typical for HMCAS to the values in normal or atherosclerotic middle cerebral artery (MCA). Methods The group analyzed consisted of 100 patients with ischemic stroke, presenting HMCAS on the admission CT. Density measurements in HU were performed in the hyperdense segment of the involved MCA, contralateral MCA, brain cortex adjacent to the hyperdense MCA. The control group consisted of 100 patients with no symptoms of cerebral stroke. Density measurements in HU were performed: in the M1 segment of right and left MCA, brain cortex adjacent to the more dense from right or left MCA. Results In the stroke group the median values obtained were: in the hyperdense MCA 59 HU, contralateral MCA 41 HU, brain cortex 36 HU. In the control group the median values obtained were: in the more dense MCA 43 HU, contralateral MCA 40 HU, brain cortex 34 HU. The range of HMCAS/contralateral MCA density ratios in stroke only slightly overlapped the range of more dense MCA/contralateral MCA density ratios in non-stroke patients. Conclusion The ratio of hyperdense MCA CT density/contralateral density is a good tool to differentiate HMCAS from asymmetric hyperdensity not related to stroke. The threshold ≥1.16 provided 100% sensitivity and 97% specificity, whereas ≥1.22 provided 94% sensitivity and 100% specificity

Ubezpieczenie dla literaturoznawstwa.Uwagi na marginesach Poetyki

The text is an attempt to indicate innovatory terminological solutions and their critical reception of the so-called cultural theory of literature, being formed in the last decade, on the basis of the last proposal included in Poetyka doświadczenia (“Poetics of Experience”) by Ryszard Nycz. The author of the essay concentrates on the fundamental humanistic notions, for example experiencing, happening, paradigmaticality, interdisciplinarity in the studies into literature or intertextuality, which, from this viewpoint, are subject to redefinition and a kind of conceptualization. A separate place in these considerations is occupied by the comparison of the stance of the author of Sylwy współczesne with the recent writings of Michał Paweł Markowski and the argument with the analysis of specific case studies included in the ending of Poetics of Experience

Granice wiedzy o literaturze. Słowo o kilku nowych ujęciach interdyscyplinarności (z dodatkiem jednego przykładu)

The limits of literary knowledge. On some new theories of interdisciplinarity (including one example) The paper consists of the review of a number of academic approaches to interdisciplinary research as represented by the Polish theorists of literature (Andrzej Hejmej, Michał P. Markowski, Ryszard Nycz). On the example taken from Tadeusz Nowak’s novel A jak królem, a jak katem będziesz, the author attempts to identify the nature of the close relations between anthropological and literary discourses, where the border line between them lies, and, consequently, what benefits for literary studies stem from anthropological readings

Twierdza Kłodzko – jako integralny element struktury miasta

This article presents the importance of a historical element in the city structure which is the Kłodzko Fortress. This towering military building is an important dominant located in the center of Kłodzko. The author citing the analyzes and research carried out by him in the territory of the Twierdza, bringing closer the possibilities of using the adaptive potential of this place. This object, once performing a signifi cant military function, should now have a completely new application. Also presenting the examples of adaptation of this type of objects from the country and the world, the cultural and economic potential for the region has been presented. Objects that do not fulfi ll their target function fall into ruin, losing values and potential hidden in them. The adaptive possibilities of the Kłodzko Fortress allow for the introduction of various functions to it, which may result in an enrichment of its value. Giving a contemporary function in a facility located in the center of the Kłodzko valley is to have an added element, i.e. a synergy effect for the city and the area in which it is located. Based on the materials developed by the author, the potential of the place is presented as an attractive commercial and cultural object. Presenting adaptation methods, at the same time, attention is paid to the risks associated with leaving the Fortress to destructive activities.W niniejszym artykule przedstawione zostało znaczenie historycznego elementu w strukturze miasta jakim jest Twierdza Kłodzko. Ten górujący nad miastem obiekt militarny stanowi ważną dominantę znajdującą się w centrum Kłodzka. Autor powołując się na analizy oraz badania przeprowadzane przez niego na terenie samej Twierdzy przybliżając możliwości wykorzystania potencjału adaptacyjnego tego miejsca. Obiekt ten pełniący niegdyś znaczącą funkcje militarną powinien w dzisiejszych czasach mieć zupełnie nowe zastosowanie. Prezentując również przykłady adaptacji tego typu obiektów z kraju oraz ze świata przedstawiony został potencjał kulturowy oraz ekonomiczny dla regionu. Obiekty niespełniające swojej docelowej funkcji popadają w ruinę zatracając wartości oraz potencjał w nich ukryty. Możliwości adaptacyjne jakie posiada Twierdza Kłodzko pozwalają na wprowadzenie do niej różnego rodzaju funkcji co skutkować może wzbogaceniem jej wartości. Nadanie współczesnej funkcji w obiekcie zlokalizowanym w centrum kotliny Kłodzkiej stanowić ma element dodany, czyli efekt synergii dla miasta oraz obszaru w którym się ona znajduję. Bazując na opracowanych przez autora materiałach przedstawiony jest potencjał miejsca jako obiektu atrakcyjnego komercyjnie oraz kulturowo. Prezentując sposoby adaptacyjne zwraca się równocześnie uwagę na zagrożenia wiążące się z pozostawieniem Twierdzy działaniom niszczącym