LLukas22/scidocs huggingface dataset:
Rapid Synchronous Acquisition of Geometry and Appearance of Cultural Heritage Artefacts

In order to produce visually appealing digital models of cultural heritage artefacts, a meticulous reconstruction of the 3D geometry alone is often not sufficient, as colour and reflectance information give essential clues of the object’s material. Standard texturing methods are often only able to overcome this fact under strict material and lighting condition limitations. The realistic reconstruction of complex yet frequently encountered materials such as fabric, leather, wood or metal is still a challenge. In this paper, we describe a novel system to acquire the 3Dgeometry of an object using its visual hull, recorded in multiple 2D images with a multi-camera array. At the same time, the material properties of the object are measured into Bidirectional Texture Functions (BTF), that faithfully capture the mesostructure of the surface and reconstruct the look-and-feel of its material. The high rendering fidelity of the acquired BTF texture data with respect to reflectance and self-shadowing also alleviates the limited precision of the visual hull approach for 3D geometry acquisition.
Turning monoidal categories into strict ones.

It is well-known that every monoidal category is equivalent to a strict one. We show that for categories of sets with additional structure (which we define quite formally below) it is not even necessary to change the category: The same category has a different (but isomorphic) tensor product, with which it is a strict monoidal category. The result applies to ordinary (bi)modules, where it shows that one can choose a realization of the tensor product for each pair of modules in such a way that tensor products are strictly associative. Perhaps more surprisingly, the result also applies to such nontrivially nonstrict categories as the category of modules over a quasibialgebra.
Designing And Analysis Of Cycloconverter To Run Variable Frequency Drive Motor

Variable frequency generation becomes necessary now a days for ever growing demand of industrial applications. Cycloconverter is such a device which generates variable frequency. The development of the semiconductor devices has made it possible to control the frequency of the cycloconverter according to the requirement and provide a huge amount of controlled power with the help of semiconductor switching devices like THYRISTOR, IGBT. Nowadays, in an up growing industrial sector different types of mechanical devices are use where the motors are playing a great role. However this types of synchronous and induction motors have more loss due to harmonic distortion of the variable frequency drives. The aim of this thesis is to design & analysis of a cycloconverter circuit with suitable power and minimized total harmonic distortion (THD).
A Computing Model of Artificial Intelligent Approaches to Mid-term Load Forecasting: a state-of-the-art- survey for the researcher

 Abstract—This article presents the review of the computing models applied for solving problems of midterm load forecasting. The load forecasting results can be used in electricity generation such as energy reservation and maintenance scheduling. Principle, strategy and results of short term, midterm, and long term load forecasting using statistic methods and artificial intelligence technology (AI) are summaried, Which, comparison between each method and the articles have difference feature input and strategy. The last, will get the idea or literature review conclusion to solve the problem of mid term load forecasting (MTLF).
Activities and mortality in the elderly: the Leisure World cohort study.

BACKGROUND
Although physical activity has substantial health benefits and reduces mortality, few studies have examined its impact on survival beyond age 75.


METHODS
Using the population-based Leisure World Cohort Study, we explored the association of activity on all-cause mortality in older adults (median age at baseline = 74 years). We followed 8,371 women and 4,828 men for 28 years or until death (median = 13 years) and calculated relative risks for various measures of activity at baseline using Cox regression analysis for four age groups (<70, 70-74, 75-79, and 80+ years) in men and women separately.


RESULTS
Time spent in active activities, even ½ hour/day, resulted in significantly lower (15-35%) mortality risks compared with no time in active activities. This reduction was evident in all sex-age groups except the youngest men. Participants who reported spending 6 or more hours/day in other less physically demanding activities also had significantly reduced risks of death of 15-30%. The beneficial effect of activities was observed in both those who did and those who did not cut down their activities due to illness or injury. Neither adjustment for potential confounders, exclusion of the first 5 years of follow-up, nor exclusion of individuals with histories of chronic disease substantially changed the findings.


CONCLUSIONS
Participation in leisure-time activities is an important health promoter in aging populations. The association of less physically demanding activities as well as traditional physical activities involving moderate exertion with reduced mortality suggests that the protective effect of engagement in activities is a robust one.
Failures in bipolar fresh osteochondral allograft for the treatment of end-stage knee osteoarthritis

Bipolar fresh osteochondral allografts (BFOA) recently became a fascinating option for articular cartilage replacement, in particular in those young patients non-suitable for traditional replacement because of age. While the use of osteochondral allografts for the treatment of focal osteochondral lesions in the knee is well established, their use in the treatment of end-stage arthritis is far more controversial. The purpose of this paper is to describe our experience in a series of seven patients who underwent a resurfacing of both tibio-femoral and patello-femoral joints by BFOA. From 2005 to 2007, seven patients (mean age 35.2 ± 6.3 years) underwent BFOA for end-stage arthritis of the knee. Patients were evaluated clinically, radiographically and by CT scan preoperatively and at established intervals up to the final follow-up. No intra-operative complications occurred. Nevertheless, joint laxity and aseptic effusion, along with a progressive chondrolysis, lead to early BFOA failure in six patients, which were revised by total knee arthroplasty at 19.5 ± 3.9 months follow-up. Only one patient, who received the allograft to convert a knee arthrodesis, gained a satisfactory result at the last follow-up control. BFOA in the knee joint still remains an inapplicable option in the treatment of post-traumatic end-stage arthritis of the young patient, due to the high rate of failure. Further studies are necessary in order to investigate the causes of failure and improve the applicability of this method. Still, after extensive counselling with the patient, BFOA may represent a salvage procedure aimed to revise scarcely tolerated knee arthrodesis. Retrospective case series, Level IV.
A systematic literature review of software quality cost research

Software quality costs have not received as much attention from the research community as other economic aspects of software development. Over the last three decades, a number of articles on this topic have appeared in a range of journals, but comprehensive overviews of this body of research are not available. For the detailed review of software quality cost research presented in this article, we collect 87 articles published between 1980 and 2009 in 60 leading computing journals. We study the distribution of these articles across research disciplines and journals as well as over time. Moreover, we identify the predominant researchers in the software quality cost domain and the related research clusters. We also classify the articles according to three properties, namely, research topic, research scope, and research approach. This categorization enables us to identify aspects emphasized by previous research on software quality costs and to point out promising future research directions. Our review shows that prevention costs have gained the least attention, in spite of their big cost impact. It also reveals that only one article has targeted multiple companies. Further, we observe that many articles do not empirically validate their findings. This is especially true for those articles dealing with an entire firm.
Growth Hormone Insensitivity (Laron Syndrome)

In 1966 our group reported three siblings with clinical and biochemical features of GH deficiency but who had high serum GH levels [1] in the range of active acromegaly. Within 2 years we were able to collect 22 patients [4] all Oriental Jews. The first hypothesis that the defect is due to an abnormal GH molecule was disproved by finding that the circulating GH of these patients is normal by immunologic [5,6] and radioreceptor tests using GH receptors (GH-R) prepared from human liver membranes [7,8]. Growth hormone insensitivity was diagnosed by the low serum levels of insulin-like growth factor I (IGF-I) (at that time called somatomedin-C) in the presence of high endogenous GH levels and by the inability to generate IGF-I by the administration of exogenous hGH [9,10]. The cause of the GH resistance was also demonstrated by our group in 1984 by showing that GH-R prepared from liver membranes obtained by biopsies from two patients with LS did not bind radio-labelled human GH [11]. The subsequent cloning by Leung et al., of the GH-R [12], its characterization by Godowski et al. of the GH-R [13] and the introduction of new techniques in molecular biology enabled the localization of the molecular defects of the GH receptor gene. Geographical distribution and genetic aspects Since the first description of patients with LS in Israel of Oriental Jewish origin (Yemen, Iran, Afghanistan, Middle East and North Africa [1,4,14], more and more patients have been diagnosed both in our and other countries, the majority originating in the Mediterranean area, of North African, Spanish or Italian origin and Middle East of Jewish, Arab, Turkish, Iranian or Pakistani origin or in descendants of subjects originating from these regions. A large genetic isolate has been reported from Ecuador [15] suspected to have originated from Jewish conversos fleeing the Spanish Inquisition, and a smaller one in the Bahamas [16]. There are also numerous patients in Turkey [17], Pakistan and India [18,19]. In most of the above populations consanguinity was or is still in practice. Isolated patients not of Mediterranean or Oriental descent have been reported from Denmark, The Netherlands, Slovakia, Russia, Slovenia, Japan and the USA. A more detailed listing appears in recent reviews of this syndrome [20–22]. At present many hundreds of patients have been diagnosed and the number increases constantly. Analysis of the Israeli cohort led to the conclusion that Laron syndrome is caused by an autosomal fully penetrant recessive mechanism [23].
The construction and practice of “software foundation” exquisite course

The paper introduces the teaching exploration and reform measures in the process of the construction of “software foundation”, which is a exquisite course of Zhejiang University City College, including the experience of team construction, teaching methods, teaching means, reform of teaching mode and construction of teaching material and website, etc.
Feeding with microbial flocs by tilapia in minimal discharge bio-flocs technology ponds

The uptake of microbial flocs by tilapia was evaluated. Fish (tilapia Mozambique, 107 g) were stocked in 1 m tanks filled with water from a limited exchange intensive tilapia producing pond (bio-floc technology, BFT system). Tagged ammonium nitrogen (NH4(SO4)2) and starch to ensure incorporation of the N into the bio-flocs, were added. Fish were held in the tanks for ca 2 weeks, not fed during a week period, when the only source of feed was microbial flocs. Floc volume, total suspended solids, as well as total carbon and nitrogen in suspension were monitored. The floc plug in settling cones contained 1.4% as dry matter. Feed uptake, evaluated through the decrease with time in respect to 4 independently determined parameters, namely floc volume, TSS, C and N in suspension, was found to be 10.3±1.0 g kg fish day, averaged for the computed values for these parameters However, this preliminary evaluation was based on the assumption that fish harvesting is the only mechanism affecting bio-flocs mass, neglecting biodegradation and production of flocs. Gross daily uptake of nitrogen as determined using N uptake data was 0.25 gN kg (1.6 g protein), equivalent to the daily uptake of 6.2 g kg of dry bio-flocs, 60% of that computed by the simplified mass balance approach. This difference may be attributed to microbial degradation of the bio-flocs. Even the lower flux as evaluated through N uptake, constituted, in the specific case studied, almost 50% of conventional feed ration. © 2006 Elsevier B.V. All rights reserved.
Hall versus conventional stainless steel crown techniques: in vitro investigation of marginal fit and microleakage using three different luting agents.

PURPOSE
This study's purpose was to investigate microleakage and marginal discrepancies in stainless steel crowns (SSCs) placed using conventional and Hall techniques and cemented with three different luting agents.


METHODS
Seventy-eight human primary maxillary second molars were randomly assigned to two groups (N=39), and SSCs were applied either with the Hall or conventional technique. These two groups were further subgrouped according to the material used for crown cementation (N=13 per group). Two specimens in each group were processed for scanning electron microscopy investigation. The extent of microleakage and marginal fit was quantified in millimeters on digitally photographed sections using image analysis software. The data were compared with a two-way independent and a two-way mixed analysis of variance (P=.05).


RESULTS
The scores in the Hall group were significantly worse than those in the conventional technique group (P<.05). In both groups, resin cement displayed the lowest extent of microleakage, followed by glass ionomer and polycarboxylate cements (P<.05).


CONCLUSIONS
Stainless steel crowns applied using the Hall technique displayed higher microleakage scores than those applied using the conventional technique, regardless of the cementation material. When the interaction of the material and technique was assessed, resin cement presented as the best choice for minimizing microleakage in both techniques.
Cervical osteoarthropathy: an unusual cause of dysphagia.

PRESENTATION
A 72-year-old man complained of progressive dysphagia for solids associated with a sensation of foreign body in his throat for 2 years. A barium swallow showed a bridging osteophyte between C4 and C5 vertebrae indenting the oesophagus posteriorly and displacing it anteriorly.


OUTCOME
He refused surgical intervention and was given dietary advice. After 6 months, his weight was steady and he was able to swallow semi-solid food without difficulty.
Challenges in middleware solutions for the internet of things

The Internet of Things (IoT) aims to interconnect our everyday life items. It provides them with information processing capabilities to enable computers to sense, integrate, present, and react to all aspects of the physical world. This move from “interconnected computers” to “interconnected things” requires simplifying the development of new applications and services by supporting interoperability among heterogeneous devices; so that the programmer can focus on the development of applications enabled by the infrastructure of IoT. Middleware is a software layer interposed between the infrastructure and the applications using it [1] that basically aims to support important requirements for these applications. This paper surveys existing middleware designed for IoT and focuses on various technical challenges in this domain.
Generic control method of multileg voltage-source-converters for fast practical implementation

A generic and simple control method is suggested for any multileg voltage-source-converter. A specific coding yields an inversion table allowing a fast practical implementation. Phase-tophase voltage references have to be defined for such a table. This original control strategy is validated by experimental results for two-leg, three-leg, four-leg, and five-leg structures supplying balanced and unbalanced multiphase loads.
Discontinuous SVPWM Techniques of Three-Leg VSI-Fed Balanced Two-Phase Loads for Reduced Switching Losses and Current Ripple

In this paper, various types of discontinuous space vector pulse-width modulation techniques for a three-leg voltage source inverter supplying balanced two-phase loads are proposed. The main objectives of the paper are to analyze switching loss characteristics associated with semiconductor devices and to reduce output current ripple by dealing with various types of zero space vector time in each switching sequence. Capabilities of reductions in switching losses and current ripple for both balanced and unbalanced output phase voltages at high modulation index and load power factor angle of 30° lagging are focused. The validity of the proposed techniques is verified by simulation and experimental results in terms of voltage spectrum, current waveforms, reductions in switching losses, and output current ripple at high modulation index when compared to a continuous space vector pulse-width modulation technique.
Yoga for Low-Income Older Adults: Silver Age Yoga

In the next few decades, the proportion of Americans age 65 or older is expected to increase from 12% (36 million) to 20% (80 million) of the total US population [1]. As life expectancy increases, an even greater need arises for cost-effective interventions to improve function and quality of life among older adults [2-4]. All older adults face numerous health problems that can reduce or limit both the quality and quantity of life they will experience. Some of the main problems faced by older adults include reduced physical function and well-being, challenges with mental and emotional functioning and well-being, and more limited social functioning. Not surprisingly, these factors comprise the primary components of comprehensive health-related quality of life [5,6].
Recombinant human LH supplementation versus recombinant human FSH (rFSH) step-up protocol during controlled ovarian stimulation in normogonadotrophic women with initial inadequate ovarian response to rFSH. A multicentre, prospective, randomized controlled trial.

BACKGROUND
In approximately 12-14% of young normogonadotrophic women treated with a depot GnRH agonist long protocol, the initial ovarian response to recombinant human FSH (rFSH) can be suboptimal. We have tested the hypothesis that these women may benefit from recombinant human LH (rLH) supplementation in a multicentre, prospective, randomized trial compared with patients treated with an rFSH step-up protocol.


METHODS
A total of 260 young normogonadotrophic women undergoing controlled ovarian stimulation with a GnRH agonist long protocol for IVF/ICSI were enrolled. The starting dose of rFSH was 225 IU. One hundred and thirty patients with serum estradiol levels <180 pg/ml and with at least six follicles with a mean diameter >5 mm but none >10 mm on both day 5 and day 8 of stimulation were randomly allocated to two groups. From the eighth day of stimulation, women in group A (n=65) received 150 IU of rLH in addition to rFSH, while those in group B (n=65) had an increase of 150 IU in the daily dose of rFSH (step-up protocol). One hundred and thirty normally responding women continued monotherapy with rFSH and served as a further control population (group C).


RESULTS
The mean number of cumulus-oocyte complexes retrieved in group A (9.0+/-4.3) was significantly higher (P<0.01) compared with group B (rFSH 6.1+/-2.6) but significantly lower compared with group C (10.49+/-3.7, P<0.05). Implantation and pregnancy rates were significantly lower (P<0.05) in the rFSH step-up group (10.5 and 29.3% respectively) when compared with normal responders (18.1 and 47.3% respectively).


CONCLUSIONS
rLH supplementation is more effective than increasing the dose of rFSH in terms of ovarian outcome in patients with an initial inadequate ovarian response to rFSH alone.
Endocrine outcomes in Endoscopic Pituitary Surgery: A Literature Review

Since the introduction of fully endoscopic surgery this new technique has been adopted with enthusiasm by many but not all pituitary surgeons. Whilst some advantages of minimal access have been recognised, the information on endocrine outcomes has been slow to accumulate. This literature review examined all the endoscopic papers for endocrine results and complication rates. Where adequate detail was provided these results were broken down by subtype and the pooled cure rates calculated. The review revealed that the fully endoscopic method is the equal of the microscopic technique for endocrine remission in functioning pituitary tumours. Furthermore the endoscopic results in functioning macroadenomas are substantially better than the microscopic results with similar complication rates. Endoscopic pituitary surgery offers significant advantages over the microscopic technique and should become the standard method of pituitary adenoma surgery.
Follow-up of coiled cerebral aneurysms at 3T: comparison of 3D time-of-flight MR angiography and contrast-enhanced MR angiography.

BACKGROUND AND PURPOSE
Our aim was to compare contrast-enhanced MR angiography (CE-MRA) and 3D time-of-flight (TOF) MRA at 3T for follow-up of coiled cerebral aneurysms.


MATERIALS AND METHODS
Fifty-two patients treated with Guglielmi detachable coils for 54 cerebral aneurysms were evaluated at 3T MRA. 3D TOF MRA (TR/TE = 23/3.5; SENSE factor = 2.5) and CE-MRA by using a 3D ultrafast gradient-echo sequence (TR/TE = 5.9/1.8; SENSE factor = 3) enhanced with 0.1-mmol/kg gadobenate dimeglumine were performed in the same session. Source images, 3D maximum intensity projection, 3D shaded surface display, and/or 3D volume-rendered reconstructions were evaluated in terms of aneurysm occlusion/patency and artifact presence.


RESULTS
In terms of clinical classification, the 2 MRA sequences were equivalent for 53 of the 54 treated aneurysms: 21 were considered fully occluded, whereas 16 were considered to have a residual neck and 16 were considered residually patent at follow-up MRA. The remaining aneurysm appeared fully occluded at TOF MRA but had a residual patent neck at CE-MRA. Visualization of residual aneurysm patency was significantly (P = .001) better with CE-MRA compared with TOF MRA for 10 (31.3%) of the 32 treated aneurysms considered residually patent with both sequences. Coil artifacts were present in 5 cases at TOF MRA but in none at CE-MRA. No relationship was apparent between the visualization of patency and either the size of the aneurysm or the interval between embolization and follow-up.


CONCLUSION
At follow-up MRA at 3T, unenhanced TOF and CE-MRA sequences are similarly effective at classifying coiled aneurysms as occluded or residually patent. However, CE-MRA is superior to TOF MRA for visualization of residual patency and is associated with fewer artifacts.
Overlay Cloud Networking through Meta-Code

We propose a new structuring mechanism and architecture for construction of overlay networks spanning multiple clouds. We have designed and implemented Suorgi for this purpose, a run-time that supports extensibility of cloud infrastructures. Novice users can now construct their private cloud overlay networks without explicit programming knowledge. Key to support this is meta-code, preprogrammed code modules extending and augmenting the cloud infrastructure to fit specific user needs. Meta-code can implement, for instance, fine-level trust policies, replication management, auditing, and provenance mechanisms.