The evaluation of light conditions influence and corrections upon Doppler blood perfusion imagining

The paper deals with theoretical and experimental research of the ambient light influence upon the measuring reliability of the perfusion maps by the laser Doppler method using the device PeriScan PIM 3. The main applicable result of the analysis is a set of recommendations for the standardization, the improving of reliability and the compactness of the blood perfusion measuring in the clinical practise. The improvement of examination brings more accurate results and contributes to the optimization of diagnostic process and therapy

A study of erosion control system using biotechnical conservation measures

Cílem bakalářské práce byl návrh protierozní ochrany s využitím systému přírodě blízkých opatření ve vybraném povodí. Pomocí nástrojů ArcGis byl vytvořen digitální model terénu a stanoven průměrný erozní smyv na jednotlivých erozně uzavřených celcích. Na vybrané erozně ohrožené lokalitě byl v prostředí Microstation s použitím programové nádstavby InRoads vypracován návrh systému přírodě blízkých protierozních opatření. Jako systém přírodě blízkých opatření byla vybrána soustava retenčních nádrží se sedimentačním prostorem v kombinaci s plošným zatravněním. Snahou práce je poukázat na rozdíly mezi možným optimálním řešením a kompromisním řešením, respektujícím požadavky hospodařících subjektů. Řešení respektuje trend zadržení vody v krajině a užití nízkonákladových opatření.The objective of the bachelor thesis was the study of soil erosion control with application of system of semi-natural measures in chosen small catchment. Digital elevation model was generated and average soil loss was determined by ArcGis tools at each erosion parcel . Design of erosion control at chosen erosion risked locality was create in Microstation software and InRoads utilities. As a type of enviromental erossion control mesures was chosen a system of a earthfill dams with the sedimentation area in combination with grassing. The thesis efforts to point the differences between the possible optimal solution and a compromise solution which respects the requirements of agricultural entities. The solution respects the trend of water retention in landscape and use of low cost measures.

Sheet metal part manufacturing by drawing

Projekt vypracovaný v rámci bakalářského studia oboru B2307-00 předkládá návrh technologie výroby výtažku, kterým je střecha modelu lanovky. Součást je vyrobena z ocelového plechu 11 320. Vzhledem k předpokládané výrobní sérii 10 000 ks za rok je posouzeno několik výrobních variant. Na základě literární studie problematiky tažení je navrženo tažení kovovým nástrojem s přidržovačem. Pomocí výpočtů tažné síly a tažné práce je navrhnut lis LEN 40 C. Tažný nástroj je navržen tak, aby v co největší míře využíval normalizovaných komponent a je řešen formou obvyklého stojánku upnutého na výstředníkovém lisu LEN 40 C. Tažník a tažnice jsou vyrobeny z nástrojové oceli 19 436.3 a tepelně zpracovány dle výkresové dokumentace.The project developed in the frame of the bachelor study branch B2307-00 presents a proposal of acreation technology of a flange, which is to be a model of the roof lift. The part is made of steel 11 320. Due to the anticipated serial production of 10 000 pieces per year, a number of production options is considered. On the basis of literary studies of the issue of drawing, it is suggested a drawing by a metal tool with blankholder. Due to calculations of tensile strength and work, press LEN 40 C is suggested. Drawing tool is designed to require the most of standard components and is solved through the form of a normal rack fastened to the eccentric press LTN 40 C. Drawing punch and drawing die are made of tool steels 19 436.3 and heat-processed according to the drawing documentation.

The Influence of Light Conditions upon Laser Doppler Blood Perfusion Imaging and Its Compensation

Import 26/06/2013Cílem této diplomové práce bude teoretické a experimentální zkoumání a objektivní posouzení vlivu ambientního osvětlení na spolehlivost měření perfuzních map metodou laserové dopplerometrie za využití přístroje PeriScan PIM 3 System od švédské firmy Perimed AB. Aplikovatelným přínosem práce bude soubor doporučení pro standardizaci, zlepšení spolehlivosti a kompatibility měření krevní perfuze v klinické praxi. Zkvalitnění podmínek vyšetření přinese přesnější výsledky a přispěje k optimalizaci diagnostického procesu a terapie. Teoretická část práce se zabývá problematikou laserů, optiky, laserové dopplerometrie a je zamýšlena pro možné použití jakožto studijní materiál pro studenty oboru biomedicínského inženýrství. Praktická část práce bude věnována vytvoření standardu „guidline“ procesu klinického vyšetření přístrojem PeriScan PIM 3 Systém u popáleninových stavů.The aim of this Thesis is a theoretical and experimental research and an objective assessment of the influence of ambient light on the reliability of perfusion maps measurement using Doppler laser based PeriScan PIM 3 System, the product of the Swedish company Perimed AB. Applicable contribution of this Thesis is a collection of recommendations for standardization, improvement of reliability and compatibility of blood perfusion measuring in a clinical practice. The standardization of conditions of medical examination brings also more accurate results and contributes to optimization of diagnostic process and therapy. The theoretical part of the thesis follows up with lasers, optics, Doppler velocimetry and it is intended to be used as study material for students of biomedical engineering. The practical part pursues creation of guidline for clinical examination process of burn states by using device PeriScan PIM 3 System.450 - Katedra kybernetiky a biomedicínského inženýrstvívelmi dobř

Computational approaches to the study of post-marital residence : a thesis presented in partial fullfilment of the requirements for the degree of Doctor of Philosophy in Statistics at Massey University, Manawatu, New Zealand

Chapter 2 is republished under a CC BY-NC-ND 4.0 license: Moravec, Jiří C., Atkinson, Quentin, Bowern, Claire, Greenhill, Simon J., Jordan, Fiona M., Ross, Robert M., Gray, Russell, Marsland, Stephen, & Cox, Murray P. (2018). Post-marital residence patterns show lineage-specific evolution. Evolution and Human Behavior, 39, 594-601. https://doi.org/10.1016/j.evolhumbehav.2018.06.002Post-marital residence is the location taken by a couple after marriage. It is often a cultural practice, a choice based on tradition. Through its effect on family and family structure, post-marital residence influences important concepts and practices such as inheritance of property, status of men and women, initiation rites and tracing of descent. Due to its long-reaching effects and the fact that it is relatively easy to observe, through a short discussion with informant or by collecting information about marriages, post-marital residence has become an important subject of study for many anthropologists. In the past, post-marital residence was predominantly explored through association studies. However, factors influencing post-marital residence often exhibit unclear causative direction. This makes their study using association analyses difficult. This thesis will explore post-marital residence using three different computational methods: an evolutionary approach based on language trees; a data-mining approach that finds clusters of societies in an ethnographic database; and an agent-based model of warfare-induced residence change. These three methods enable exploration of post-marital residence from significantly different angles, which enables me to describe a much more complex and balanced picture. I find no evidence for the existence of global patterns of residence change. In fact, even language groups with similar demographic histories differ significantly in their patterns of residence evolution. However, I find strong evidence for the existence of more localized patterns. Based on data that describe societal properties such as the prevalent type of subsistence, sex taboos or type of housing, societies can be clustered into groups, with some groups being almost exclusively formed by societies with a single type of residence. Finally, I find that while warfare is able to induce a change of residence, it does this only when a significant portion of the society is under warfare pressure. However, warfare can also be a catalyst when another factor influencing residence change is present. My results suggest that more localized patterns should be explored. Based on the grouping of societies identified in this work, one should not assume that because two societies have the same residence state that similar factors must be in play. In fact, a multitude of factors could induce change into a specific residence state under different conditions. Thus, the factors for residence change should be explored on a case-by-case basis and societies with similar histories and pressures should be grouped together and investigated instead. Societies where the change of residence was induced by warfare could be one such group. Results from the agent-based model can help to specify the exact conditions required. Computational-based approaches enable new and interesting points of view on classical anthropological problems. However, they are limited by the existence of data and a functional knowledge of societies and cultures. These are often lacking, at least in a programatically accessible form. Thus, developing better and more accessible databases and knowledge banks with a mechanistic description of cultural concepts should be a primary future focus for anthropology. Taken together, the results of the three approaches shown in this thesis form a strong statement regarding how various factors influence a change of post-marital residence. This provides a proof of concept of benefits for tacking classical anthropology questions with computational tools. It will hopefully work as an invitation for collaboration between the two research areas

Camera calibration according to a known object for the task of trajectory measurement during surgical operations

Tato práce se zabývá novými metodami kalibrace kamery dle známého předmětu pro úlohu měření trajektorií během chirurgických operačních výkonů. Za tímto účelem byly využity konvoluční neuronové sítě, hlavně konvoluční neuronová síť Mask R-CNN, i konvenční metoda počítačového vidění, kterou byla Houghova transformace. Byly navrženy nové metody, jejichž cílem bylo zpřesnit dosud používané řešení, které nebylo spolehlivé. V závěru práce byly nové metody porovnány mezi sebou i se stávajícími metodami s uspokojujícími výsledky.ObhájenoThis work deals with new methods of camera calibration according to the known subject for the task of trajectory measurement during surgical operations. For this purpose, convolutional neural networks, mainly the convolutional neural network Mask R-CNN, and the conventional method of computer vision, which was the Hough transform, were used. New methods were proposed to refine the solution used so far, which was not reliable. At the end of the work, the new methods were compared with each other and with existing methods with satisfactory results

Manufacturing of a hinge

Projekt předkládá návrh technologie výroby pantu z ocelového plechu 11 321 tloušťky 2 mm v sérii 300 000 kusů za rok. Z variantního řešení byla navržena výroba technologií stříhání a ohýbání ve sdruženém postupovém nástroji. Na tyto témata byla zpracována literární rešerše. Jako pracovní stroj byl zvolen výstředníkový lis LEN 40 C slovenského výrobce TOMA INDUSTRIES s.r.o., Trnava, se jmenovitou silou 400 kN. Pracovní části nástroje jsou vyrobeny z oceli 19 436. V ekonomickém hodnocení byly stanoveny náklady na výrobu jednoho kusu včetně požadovaného zisku výrobce a určen bod zvratu, který nastává po vyrobení 151 966 kusů.The project presents design of technology production of the hinge made of metal sheet plate 11 321. The variant proposed solutions have been designed manufacturing cutting and bending technology in transfer combined die. These themes were elaborated in literatures studies. As a working machine was selected eccentric press LEN 40 C of Slovak producer TOMA INDUSTRIES s.r.o., Trnava, with a nominal force 400 kN. Functional parts are made of tool steel 19 436. In economic results was defined cost of one piece including manufacturers profit and the break-even point, which is coming after production of 151 966 pieces.

WOFEX 2021 : 19th annual workshop, Ostrava, 1th September 2021 : proceedings of papers

The workshop WOFEX 2021 (PhD workshop of Faculty of Electrical Engineer-ing and Computer Science) was held on September 1st September 2021 at the VSB – Technical University of Ostrava. The workshop offers an opportunity for students to meet and share their research experiences, to discover commonalities in research and studentship, and to foster a collaborative environment for joint problem solving. PhD students are encouraged to attend in order to ensure a broad, unconfined discussion. In that view, this workshop is intended for students and researchers of this faculty offering opportunities to meet new colleagues.Ostrav

Two newly recognized species of Hemidactylus (Squamata, Gekkonidae) from the Arabian Peninsula and Sinai, Egypt

This is an open access article distributed under the terms of the Creative Commons Attribution License 3.0 (CC-BY), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.A recent molecular phylogeny of the Arid clade of the genus Hemidactylus revealed that the recently described H. saba and two unnamed Hemidactylus species from Sinai, Saudi Arabia and Yemen form a well-supported monophyletic group within the Arabian radiation of the genus. The name 'Hemidactylus saba species group' is suggested for this clade. According to the results of morphological comparisons and the molecular analyses using two mitochondrial (12S and cytb) and four nuclear (cmos, mc1r, rag1, rag2) genes, the name Hemidactylus granosus Heyden, 1827 is resurrected from the synonymy of H. turcicus for the Sinai and Saudi Arabian species. The third species of this group from Yemen is described formally as a new species H. ulii sp. n. The phylogenetic relationships of the members of 'Hemidactylus saba species group' are evaluated and the distribution and ecology of individual species are discussed. © Jiří Šmíd et al.The study was supported by the NAKI project of the Ministry of Culture of the Czech Republic (# DF12P01OVV021 MKČR to JŠ and JM), by grant CGL2012-36970 to SC from the Ministerio de Economía y Competitividad, Spain (co-funded by FEDER). We are thankful to the Deanship of academic research at Taif University for funding the sample collection in Saudi Arabia (Grant no. 1-433-2108) and to Omer Baeshen, Environment Protection Agency, Sana'a, Republic of Yemen for issuing the collecting permit (Ref 10/2007).Peer Reviewe