gebhart/patrepeval huggingface dataset:
Tracking in uncalibrated cameras with overlapping field of view (2001)

To track people successfully in multiple cameras, one needs to establish correspondence between objects captured in each camera. We present a system for tracking people in multiple uncalibrated cameras. The system is able to discover spatial relationships between the camera fields of view and use this information to correspond between different perspective views of the same person. We employ the novel approach of finding the limits of field of view (FOV) of a camera as visible in the other cameras. Using this information, when a person is seen in one camera, we are able to predict all the other cameras in which this person will be visible. Moreover, we apply the FOV constraint to disambiguate between possible candidates for correspondence. Tracking in each individual camera needs to be resolved before such an analysis can be applied. We perform tracking in a single camera using background subtraction, followed by region correspondence. This takes into account the velocities, sizes and distance of bounding boxes obtained through connected component labeling. We present results on sequences taken from the PETS 2001 dataset, which contain several persons and vehicles simultaneously. The proposed approach is very fast compared to camera calibration based approaches.
Immediately loaded mandibular implant bar overdenture: a surgical and prosthodontic rationale. (2000)

Classical guidelines for osseointegration include a long healing time, during which functional load should be avoided. However, the long healing period might impose an intolerable situation on some patients, especially in the completely edentulous situation. Studies on immediately loaded implant-supported prostheses in completely edentulous patients have been reported, exhibiting high success rates comparable to conventionally loaded implants. This article describes the surgical and prosthodontic procedure for the immediately loaded mandibular implant bar overdenture as well as its clinical rationale.
Stresses in Plates with Polygonal Holes (1963)

A multiple crack of four arms in an infinite plate in uniform tension is simulated by means of a ‘square’ hole with curved sides. The conformal transformation uses two terms, the decimal coefficient of the second term being determined by a function generator. The stress distribution due to such a discontinuity is obtained theoretically by derived complex potentials, the results being compared with stress values found by photoelasticity. Stress concentration factors are given for other discontinuities in the form of square and triangular holes, and cracks of three arms. Good agreement is shown to exist between theoretical and experimental results.
An improved alphanumeric input algorithm using gloves (2015)

This paper describes an alphanumeric input algorithm using gloves. We list and discuss traditional algorithms and methods using a glove, then describe an improved algorithm using gloves. An efficiency test was conducted and the results were compared with other glove based devices and algorithms. 1.
Handbook of Sleep Disorders (1991)

A summary of knowledge in nearly all aspects of the mechanisms, psychology, primary disorders and secondary complications of human sleep states. Thirty-six chapters cover the physiology of the EEG in sleep, primary and secondary sleep disorders, hypersomnias and relative insomnias, circadian dysfunc
Three-dimensional culture of canine articular chondrocytes on multiple transplantable substrates. (1997)

Three-dimensional culture of canine chondrocytes in agarose appears to produce favorable results with respect to chondrocyte proliferation and matrix production. Canine CB appears to have beneficial effects with regard to early GAG synthesis. Polypropylene mesh and oxidized regenerated cellulose had detrimental effects on cellular proliferation and matrix production.
Real-Time Traveling-Wave-Based Fault Location Using Two-Terminal Unsynchronized Data (2015)

In this paper, a new two-terminal traveling-wave-based fault-location algorithm is proposed. Its main advantage over similar two-terminal algorithms lies in the fact it does not require the data from both line terminals to be synchronized. In order to do so, the algorithm is applied in real time, and a communication system is used, whose data-transmission latency is taken into account in the proposed formulation. The fault locator routines were implemented using the real-time digital simulator (RTDS), such that a wide variety of fault scenarios in a 230-kV transmission line 200 km long was evaluated in real time, considering communication systems with different latency variability levels. The obtained results indicate the proposed algorithm is able to locate faults using either synchronized or unsynchronized two-terminal data, whereas classical methods work properly for synchronized measurements only.
Application of biochar-based catalysts in biomass upgrading: a review (2017)

The application of biochars as versatile catalysts and/or catalyst supports for biomass upgrading is systematically overviewed.
ASSOCIATION BUSINESS Five Years with the Members (1968)

(1968). ASSOCIATION BUSINESS Five Years with the Members. English in Education: Vol. 2, No. 1, pp. 24-25.
SmartRetro: Blockchain-Based Incentives for Distributed IoT Retrospective Detection (2018)

Internet of Things (IoT) has already been in the period of rapid development and widespread deployment, while it is still vulnerable to various malicious attacks. Security detection before system installation is not enough to ensure that IoT devices are always secure, because newly emerging vulnerabilities can still be exploited to launch attacks. To address this issue, retrospective detection is often required to trace the security status of IoT systems. Unfortunately, existing centralized detection mechanisms cannot easily provide a comprehensive security analysis. In particular, consumers cannot automatically receive security notification whenever a new vulnerability is uncovered. In this paper, we propose a novel blockchain-powered incentive platform, called SmartRetro, that can incentivize and attract more distributed detectors to participate in retrospective vulnerability detection and contribute their detection results. Leveraging smart contracts, consumers in SmartRetro receive automatic security feedback about their installed IoT systems. We perform the security and theoretical analysis to demonstrate that SmartRetro achieves our desirable security goals.We further implement SmartRetro prototype on Ethereum to evaluate its performance. Our experimental results show SmartRetro is technically feasible and economically beneficial.
Impact of Virtual Flux reference frame orientation on voltage source inverters in weak grids (2010)

This paper investigates how different approaches to grid synchronization and reference frame orientation can improve the control performance of a voltage source inverter operating in a weak grid. It is first shown how voltage-sensor-less operation based on Virtual Flux allows for flexibility in how to choose the reference frame orientation of the control system. The different possible orientations are then explained, and the potential improvement in stability and performance of the control system is discussed. If is further explained how the choice of reference frame orientation can be used to select a point in the grid seen from the converter, where reactive power flow or power factor can be explicitly controlled. The dynamic response and stability limits of an inverter operating in a weak grid have been investigated by simulations for verifying and illustrating the influence of different reference frame orientations.
Effect of Sr on the properties of Ce-Zr-La mixed oxides (2006)

Ce-Zr-La-Sr mixed oxides, with different Sr contents, were prepared by the sol-gel method. In a flow-system microreactor, the reduction properties and the oxygen storage capacity (OSC) of the Ce-Zr-La-Sr mixed oxides were investigated by a temperature programmed reduction (TPR) and a pulse technique. It was shown that the properties of the Ce-Zr-La mixed oxides depend on the Sr content and that the optimum Sr content in the Ce-Zr-La-Sr mixed oxide is 3 mol%. The Ce-Zr-La-Sr mixed oxides doped with 3 mol% Sr (Ce0.52Zr0.4La0.05Sr0.03O1.945) has the largest specific surface area and better reduction properties and oxygen storage capacity in comparison to the other investigated samples. The XRD results of the Ce-Zr-La-Sr mixed oxides showed that their X-ray diffraction patterns are well in agreement with that of fluorite-type CeO2 with Sr ions incorporated into the Ce-Zr-La mixed oxide structures. With increasing calcination temperature, the intensity of the X-ray diffraction peaks increased, but no new peaks were observed. All of these indicate that the synthesized samples had good thermal stability.
A Tumor-Specific Truncated Estrogen Receptor Splice Variant Enhances Estrogen-Stimulated Gene Expression (1998)

This study examines the cooperative effects of a human estrogen receptor-alpha (ERalpha) isoform on estrogen (E2)-mediated gene activation in U2-OS osteosarcoma cells. Delta5ERalpha, an alternatively spliced ERalpha variant lacking exon 5, is coexpressed with normal ERalpha in several E2-responsive neoplastic tissues. However, the potential interactions of delta5ERalpha with normal ERalpha have not been functionally characterized. Delta5ERalpha encodes the hormone-independent trans-activating function (AF-1), as well as the constitutive receptor dimerization and DNA-binding domains. It is generated by an alternate splice event that omits exon 5 and alters the reading frame of the resulting mRNA. The delta5ERalpha protein is prematurely truncated and lacks the majority of the hormone-binding and activating function-2 (AF-2) domains. When delta5ERalpha mammalian expression vector was transfected alone in human ERalpha/ERbeta-negative osteosarcoma U2-OS cells, it had no effect on either basal or E2-mediated EREtk81Luc reporter transcriptional activity, while transfected cells expressing control normal ERalpha increased EREtk81 Luc activity up to 20-fold in response to 10 nM E2. However, when delta5ERalpha was cotransfected with normal ERalpha, both basal and E2-stimulated EREtk81Luc reporter activation were increased approximately 500% over levels observed when cells were transfected with ERalpha alone. Similar effects of delta5ERalpha and normal ERa coexpression were observed using an E2-responsive human C3 promoter/luciferase reporter construct. The effects of delta5ERalpha on normal ERalpha were further assessed in U2-OS cells stably transfected with normal ERalpha. Transfection of increasing amounts of delta5ERalpha expression vector into [ERalpha+]OS cells resulted in potentiation of E2-stimulated ERELuc activity in a synergistic, dose-dependent manner. Moreover, coexpression of delta5ERalpha in [ERalpha+]OS cells improved E2 sensitivity 100-fold over cells expressing ERalpha alone. Proliferation rates of stable U2-OS cell lines expressing delta5ERalpha were significantly increased (P < 0.05), with cell doubling times reduced from 35 h in control parental U2-OS cells to 28 h in [delta5ERalpha]OS cells. However, growth rates were not affected by either E2 or tamoxifen treatment. Electromobility shift/supershift assays using nuclear extracts of U2-OS cells stably transfected with ERalpha and delta5ERalpha confirmed the constitutive binding of delta5ERalpha and ERalpha protein to estrogen-response element (ERE) sequence independent of E2 and also showed an increase in delta5ERalpha/ERalpha-ERE complexes with E2 treatment. These data are consistent with interactive effects of normal ERalpha and delta5ERalpha on transcription from classic ERE gene promoters. Delta5ERalpha appears to therefore act as a dominant positive receptor that increases both basal and E2-stimulated gene transactivation of normal ERalpha.
In-board magnetics processes (2003)

This paper introduces a design and manufacturing process for integrating magnetic components, transformers and inductors, within a multilayer printed circuit board (PCB). As such, the magnetic core constitutes one or more of the layers of the PCB. This structure has a number of potentially advantageous features. The thickness of the resulting magnetic component can be rather small, comparable to that of standard laminated multilayer PCBs. If the traces used to form the turns of the magnetic devices are internal layers of the multilayer PCB, the surface real estate occupied by the magnetic device is fully available for other surface mountable components. Thus, this technology offers great advantage in packaging density. In addition, the planar type form factor provides for a large surface area to volume ratio, allowing for effective heat transfer from the magnetic device.
Compensation of Steady-State Flow Forces in Spool-Type Hydraulic Valves (1957)

Abstract Three heretofore unreported schemes for reducing the steady-state flow forces in spool-type hydraulic valves are described. Experimental data are presented which compare the steady-state flow-force characteristics of valves using each of these schemes to the characteristics of uncompensated valves.
Multi-sensor sub-band adaptive noise cancellation for speech enhancement in an automobile environment (1997)

Concerning noise in automobiles, the effect of spacing sub-bands nonlinearly in a multi-microphone sub-band adaptive (MMSBA) speech enhancement system as in humans according to a published cochlear function (Greenwood, 1990) is investigated, and the MMSBA scheme is further developed by employing diverse sub-band processing (SEP) in order to allow inter-channel features within the sub-bands to influence the subsequent processing. In order to realize this, a practical metric is developed capable of real-time implementation based on the inter-channel magnitude squared coherence (MSC) relationship which is adaptively estimated during noise alone periods in intermittent speech, for automatically selecting the best SEP option. The choice of SEP options include: (i) no processing; (ii) intermittent coherent noise canceller; and (iii) continuous incoherent noise canceller. The performance of the MMSBA scheme is assessed using informal subjective listening tests for the case of real reverberant automobile data.
Combined Antitumor Therapy with the Chemotherapeutic Drug Doxorubicin and an Anti-Transferrin Receptor Immunotoxin, In Vitro and In Vivo Studies (1992)

We have determined the in vitro and in vivo efficacy of the combination of doxorubicin and an anti-transferrin receptor-monoclonal antibody (MAb)-ricin A chain immunotoxin. These agents both possess antineoplastic activity and their differing mechanisms of action and toxicities suggest that they may work well in combination. In vitro cytotoxicity was assayed by the inhibition of both 3H-leucine and 3H-thymidine incorporation into H-MESO-1 human malignant mesothelioma cells. In vivo, tumoricidal activity was determined by the effect of treatment on the survival of nude mice bearing H-MESO-1 as an intraperitoneal xenograft. The effect of doxorubicin on the antitumor activity of immunotoxin was directly compared to that of monensin, a well-described immunotoxin potentiator. The coincubation of doxorubicin (1 microM) with immunotoxin in vitro produced no increase in cytotoxicity or rate of cell kill when compared to immunotoxin alone. The addition of monensin to immunotoxin produced a significant increase in both cytotoxicity and the rate of cell kill. In animal trials, all treated groups demonstrated a significant increase in median survival when compared to controls. Treatment with doxorubicin or immunotoxin produced a mean survival time (MST) of 22 and 23 days, respectively, vs. control MST of 10 days. The combination of immunotoxin and doxorubicin increased the MST to 31 days (p = 0.004 vs immunotoxin or doxorubicin alone). Immunotoxin combined with monensin emulsion produced an increase in survival equivalent to doxorubicin/immunotoxin. The use of all three agents produced an additional improvement in survival. Combinations of standard chemotherapeutic drugs and ricin A chain immunotoxins may have additive antitumor effects in the therapy of solid tumors.
Validação da versão brasileira do Questionnaire of Smoking Urges-Brief (2007)

CONTEXTO: A avaliação do craving (ou fissura) é muito importante no tratamento do tabagismo. OBJETIVO: O objetivo desta pesquisa foi validar a versão brasileira do Questionnaire of Smoking Urges-Brief (QSU-B). MÉTODOS: O delineamento foi experimental, e seus participantes foram divididos, aleatoriamente, em grupos de zero, 30 e 60 minutos de abstinência do tabaco. A amostra foi de 201 sujeitos (134 mulheres e 67 homens), entre 18 e 65 anos (M = 38,15), e os instrumentos aplicados, além do QSU-B, foram: Ficha com Dados Sociodemográficos, Escala Analógico-Visual do Craving, Fagerström Test for Nicotine Dependence e Inventários Beck de Ansiedade e de Depressão. RESULTADOS: A análise fatorial com dois fatores teve variância total de 78,46% e a correlação entre esses fatores foi significativa e de alta intensidade (r = 0,636; p < 0,001). Todos os valores de alfa de Cronbach do QSU-B estavam acima de 0,70. Observou-se correlação do total do QSU-B com a Escala Analógico-Visual (r = 0,656; p < 0,001) e com a questão 1 (r = 0,201; p = 0,004) e a 2 (r = 0,257; p < 0,001) de Fagerström. CONCLUSÃO: A versão brasileira do QSU-B demonstrou ser adequada, psicometricamente, para o uso tanto em pesquisas como nos atendimentos aos dependentes de tabaco.
Bacteria Hunt (2010)

The multimodal, multi-paradigm brain-computer interfacing (BCI) game Bacteria Hunt was used to evaluate two aspects of BCI interaction in a gaming context. One goal was to examine the effect of feedback on the ability of the user to manipulate his mental state of relaxation. This was done by having one condition in which the subject played the game with real feedback, and another with sham feedback. The feedback did not seem to affect the game experience (such as sense of control and tension) or the objective indicators of relaxation, alpha activity and heart rate. The results are discussed with regard to clinical neurofeedback studies. The second goal was to look into possible interactions between the two BCI paradigms used in the game: steady-state visually-evoked potentials (SSVEP) as an indicator of concentration, and alpha activity as a measure of relaxation. SSVEP stimulation activates the cortex and can thus block the alpha rhythm. Despite this effect, subjects were able to keep their alpha power up, in compliance with the instructed relaxation task. In addition to the main goals, a new SSVEP detection algorithm was developed and evaluated.
Molecular Pathways: IDH2 Mutations—Co-opting Cellular Metabolism for Malignant Transformation (2015)

Mutations in mitochondrial IDH2, one of the three isoforms of IDH, were discovered in patients with gliomas in 2009 and subsequently described in acute myelogenous leukemia (AML), angioimmunoblastic T-cell lymphoma, chondrosarcoma, and intrahepatic chloangiocarcinoma. The effects of mutations in IDH2 on cellular metabolism, the epigenetic state of mutated cells, and cellular differentiation have been elucidated in vitro and in vivo. Mutations in IDH2 lead to an enzymatic gain of function that catalyzes the conversion of alpha-ketoglutarate to beta-hydroxyglutarate (2-HG). Supranormal levels of 2-HG lead to hypermethylation of epigenetic targets and a subsequent block in cellular differentiation. AG-221, a small-molecule inhibitor of mutant IDH2, is being explored in a phase I clinical trial for the treatment of AML, other myeloid malignancies, solid tumors, and gliomas.
High-pressure synthesis of lithium hydride (2012)

By compressing elemental lithium and hydrogen in a diamond anvil cell, we have synthesized lithium hydride (LiH) at pressures as low as 50 MPa at room temperature. Combined Raman spectroscopy and synchrotron x-ray diffraction measurements reveal that, once synthesized, LiH remains stable at 300 K up to 160 GPa in the presence of molecular hydrogen. The mixture of lithium hydride and molecular hydrogen and application of pressure alone cannot form a higher H${}_{2}$ content hydride (LiH${}_{x}$, $x>1$) as was suggested from the theoretical ab initio calculations and therefore, cannot be considered as a route to low-pressure hydrogen rich material metallization.
High-efficiency and high-resolution fiber-optic probes for near field imaging and spectroscopy (1997)

We demonstrate that fiber-optic probes with an intermediate section followed by a rapidly tapering tip lead to transmission efficiency enhancement of better than four orders-of-magnitude at 60 nm tip diameter and more than five orders-of-magnitude at smaller than 40 nm tip diameter over typical taffy-pulled fiber probes. Our highest resolution probes have a tip diameter of 30 nm with a transmission efficiency of 0.02%, and as an example we image tobacco mosaic virus with a resolution better than 35 nm. The probes are made in a two-step process involving pulling and then etching that permits both high efficiency and control of the mechanical resonance properties. The efficiency is enhanced by reducing the distance that the electromagnetic mode travels in the cut-off mode of the fiber probe. The higher resolution is achieved because sharper tips can be made through the etching process.
Diagonal Antiferromagnetic Easy Axis in Lightly Hole Doped<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msub><mml:mi mathvariant="normal">Y</mml:mi><mml:mrow><mml:mn>1</mml:mn><mml:mo>−</mml:mo><mml:mi>x</mml:mi></mml:mrow></mml:msub><mml:msub><mml:mrow><mml:mi mathvariant="normal">C</mml:mi><mml:mi mathvariant="normal">a</mml:mi></mml:mrow><mml:mi>x</mml:mi></mml:msub><mml:msub><mml:mrow><mml:mi mathvariant="normal">B</mml:mi><mml:mi mathvariant="normal">a</mml:mi></mml:mrow><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mrow><mml:mi mathvariant="normal">C</mml:mi><mml:mi mathvariant="normal">u</mml:mi></mml:mrow><mml:mn>3</mml:mn></mml:msub><mml:msub><mml:mi mathvariant="normal">O</mml:mi><mml:mn>6</mml:mn></mml:msub></mml:math> (2003)

Hole induced changes in the antiferromagnetic structure of a lightly Ca doped Gd:Y(1-x)CaxBa2Cu3O6 copper oxide single crystal with x approximately 0.008 is investigated by Gd3+ electron spin resonance. Holes do not localize to Ca2+ ions above 2.5 K since the charge distribution and spin susceptibility next to the Ca2+ are independent of temperature. Both hole doped and pristine crystals are magnetically twinned with an external magnetic field dependent antiferromagnetic domain structure. Unlike the undoped crystal, where the easy magnetic axis is along [100] at all temperatures, the easy direction in the hole doped crystal is along the [110] diagonal at low temperatures and changes gradually to the [100] direction between 10 and 100 K. The transition is tentatively attributed to a magnetic anisotropy introduced by hole ordering.