Miracle-dz/UniFAR-FTUs huggingface dataset:
Understanding Atomic Hand-Object Interaction With Human Intention

Hand-object interaction plays a very important role when humans manipulate objects. While existing methods focus on improving hand-object recognition with fully automatic methods, human intention has been largely neglected in the recognition process, thus leading to undesirable interaction descriptions. To better interpret human-object interaction that is aligned to human intention, we argue that a reference specifying human intention should be taken into account. Thus, we propose a new approach to represent interactions while reflecting human purpose with three key factors, i.e., hand, object and reference. Specifically, we design a pattern of < hand-object, object-reference, hand, object, reference > (HOR) to recognize intention based atomic hand-object interactions. This pattern aims to model interactions with the states of hand, object, reference and their relationships. Furthermore, we design a simple yet effective Spatially Part-based (3+1)D convolutional neural network, namely SP(3+1)D, which leverages 3D and 1D convolutions to model visual dynamics and object position changes based on our HOR, respectively. With the help of our SP(3+1)D network, the recognition results are able to indicate human purposes accurately. To evaluate the proposed method, we annotate a Something-1.3k dataset, which contains 10 atomic hand-object interactions and about 130 videos for each interaction. Experimental results on Something-1.3k demonstrate the effectiveness of our SP(3+1)D network.
Validation française d’une échelle de mesure de l’utilisation problématique des jeux vidéo en ligne : l’Internet Gaming Disorder-20: French validation of a scale evaluating Internet Gaming Disorder: the Internet Gaming Disorder-20

BACKGROUND The study aims to validate an online video game problematic use (Internet Gaming Disorder or IGD) scale in French language: the IGD-20. IGD-20 has been elaborated considering the discussion about the etiology of the IGD, which was included in the section III of the DSM-5. The IGD-20 is composed of 20 items split in six components based on the six components model of addiction from Griffiths. METHODS A total of 166 online video game players were recruited on specialized forums, playing 21.9 hours per week. The French version of the IGD-20 was validated through a confirmatory factor analysis via structural equation modeling (SEM). RESULT The French version of the IGD-20 showed a good validity and a six-factor structure (salience, mood modification, tolerance, withdrawal symptoms, conflict and relapse) (RMSEA = 0.063 [0.049; 0,077], CFI = 0.912, TLI = 0.909). CONCLUSION The validation of a French scale such as the IGD-20 shows some interest for the French-speaking population, including therapists who could use this scale to investigate the IGD-20 more precisely and for people with IGD-20 who could benefit from a more refined support.
Diets and habitat selection of takhi and red deer in Hustai National Park, Mongolia

Hustai National Park in Mongolia became a refuge for takhi Equus ferus przewalskii, a wild horse native to central Asia, in 1992. Wild takhi became extinct in the wild in the 1960s, although there was a small captive population in European zoos that was used to repopulate Hustai National Park. This park is also inhabited by red deer Cervus elaphus, which may compete with takhi for food. We analyzed the fecal composition and habitat use of takhi and red deer. Takhi mainly foraged on grasses in the steppe, while red deer foraged on grasses and dicots in the forest. The percentage similarity (PS) of foods was 65% in summer and 58% in winter. There does not appear to be competition for food or habitat between these species because both diets and the habitat selection were different. We discuss some management implications and emphasize the importance of integrated management of the refuge.
Improvement for Convolutional Neural Networks in Image Classification Using Long Skip Connection

In this paper, we examine and research the effect of long skip connection on convolutional neural networks (CNNs) for the tasks of image (surface defect) classification. The standard popular models only apply short skip connection inside blocks (layers with the same size). We apply the long version of residual connection on several proposed models, which aims to reuse the lost spatial knowledge from the layers close to input. For some models, Depthwise Separable Convolution is used rather than traditional convolution in order to reduce both count of parameters and floating-point operations per second (FLOPs). Comparative experiments of the newly upgraded models and some popular models have been carried out on different datasets including Bamboo strips datasets and a reduced version of ImageNet. The modified version of DenseNet 121 (we call MDenseNet 121) achieves higher validation accuracy while it has about 75% of weights and FLOPs in comparison to the original DenseNet 121.
Intracranial Atherosclerosis in Stroke Patients, Which Risk Factors Are Important? A Study From Mixed Ethnic Population in Singapore.

Intracranial atherosclerosis (ICAD) although more common in Asians, has not been studied from Singapore population. The aim of this study is to identify prevalence ICAD in stroke subjects, its association with comorbidities, stroke subtypes and long-term survival. We performed retrospective analysis of 681 stroke patients, 327(48%) had ICAD) with 232 (71%) having one or more intracranial artery with significant stenosis. ICAD was associated with older age, ischaemic strokes, total anterior circulation syndrome (TACS), large artery strokes (p<0.001), peripheral vascular disease (PVD, p=0.018), diabetes mellitus (DM), and with history of hyperlipidemia. In addition, higher serum potassium (p=0.046) and glucose (p<0.001), lower haemoglobin (p=0.040) and aortic valve sclerosis were significantly associated with ICAD (p<0.001). Multivariable analysis showed a significant independent association of ICAD with advancing age, history of hyperlipidemia and DM.In ischemic strokes (489), 311(64%) had ICAD of which 229(72%) had significant stenosis. Of the 192 hemorrhagic strokes, 16 (8%) had ICAD.Conclusion: The prevalence of ICAD, especially in ischemic strokes, from our study is high. As modifiable risk factors such as hyperlipidemia and DM appear to be associated with ICAD, then proactive management of these conditions may improve long term associated complications. Prospective studies may help to validate our findings.
What makes a “regime complex” complex? It depends

What makes the collections of international institutions or regimes governing various domains—called in the literature regime, institutional, or governance complexes—“complex”? This article examines several conditions for complexity discussed in that literature and finds them necessary but not sufficient. It argues that the sufficient condition is dependence and outlines a framework of increasing levels of synchronic (social/spatial) and diachronic (temporal) dependence. Putting dependence at the centre of discussions on regime complexes has four advantages: (1) it is analytically more precise a condition than proliferation or linkage; (2) it orients us toward questions of degree, ‘how complex’, instead of the binary ‘whether complex’; (3) it informs a range of research design and theoretical choices, especially highlighting extra-dyadic dependencies and an underdeveloped temporal dimension; and (4) it arguably reconciles competing uses of the term “complex” in the literature without conflating it with complexity, structure, or topology.
“Just watching”: A qualitative analysis of non-players’ motivations for video game spectatorship

This study explores the phenomenon of video game spectatorship from the perspective of a population I refer to as “just watchers. ” Previous studies have tended to focus on game spectatorship from turn-taking “non-players” or live-streaming audiences, specifically. “Just watchers” are individuals who express no desire to play video games themselves, yet are avid spectators of others’ video game play, both virtually and in-person. Drawing on semi-structured interviews with 27 participants, this study explores their motivations for gaming spectatorship, as well as their aversion to playing games themselves. Findings suggest the “work” of playing games, lack of skill, access to games, and toxic online communities are deterrents to playing games. Participants expressed that games spectatorship offers them narrative engagement that is distinct from traditional media, and that despite “just watching,” they tend to consider themselves as part of gaming culture.
Variational Bayesian Learning and Semiparametric Models on the Double Exponential Family

In this paper, we focus on variational Bayesian learning deterministic optimization methods for inference in biparametric exponential models where the parameters follow semiparametric regression structures. This combination of data models and algorithms contributes to solving real-world problems and reduces the computation time. This allows both the rapid exploration of many data models and the accurate estimation of the mean and variance functions through the connection between generalized linear models and graph theory. A simulation study was carried out to assess the performance of the deterministic approximation. Finally, herein, we present an application using macroeconomic data to emphasize the benefits of the proposed approach.
Chromatographic detectors design, function and operation

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A 3D-reconstruction-based study on the ocular volume of Chinese children with high myopia

Background: Highly myopic eyes differ in morphology from emmetropic eyes, and the correct estimation of the vitreous volume is difficult. To explore an effective method to estimate ocular volume using refractive factors in children.Methods: This is a retrospective study of children with high myopia who visited the Shenzhen Shekou People's Hospital (July-December 2018) before undergoing posterior scleral reinforcement surgery. Data on refractive factors and ocular 3D reconstruction imaging based on high-end CT were collected for linear correlation and linear regression analyses.Results: Ten patients (20 eyes) were included. There are nine males and one female. They were 4 to 12 years of age. The spherical equivalent ranges from +0.25 to -20.00 D. The cylindrical equivalent ranges from -0.50 to -6.25 D. The axial length ranges from 21.78 to 33.90 mm. The corneal curvature (mean) ranges from 42.44 to 46.75. The 3D reconstruction of the CT images shows that the ocular volume ranges from 4.591 to 10.988 ml. The ocular volume of the 20 eyes decreases with the increase of diopter and total curvature, both presenting a linear trend, with the Pearson correlation coefficients being -0.776 (P<0.001) and -0.633 (P=0.003), respectively. The ocular volume of the 20 eyes increases with the increasing axial length, also presenting a linear trend, with the Pearson correlation coefficient being 0.939 (P<0.001). Conclusions: In children, the ocular volume is negatively and linearly correlated with the diopter and curvature, and positively and linearly correlated with the axial length.
All-wood, low tortuosity, aqueous, biodegradable supercapacitors with ultra-high capacitance

In energy storage devices, the critical demands for high energy/power density, low cost, long cycle lives and environmental friendliness have highlighted an urgent need for developing storage electrodes with low cost, large thickness, high mass loading, low tortuosity and high energy/power density. Here we demonstrate the design and construction of an all-wood-structured asymmetric supercapacitor (ASC) based on an activated wood carbon (AWC) anode, a wood membrane separator and a MnO2/wood carbon (MnO2@WC) cathode. The structural virtues of the all-wood-structured ASC device – desirable thickness (up to ∼1 mm), direct channels with low tortuosity, high electronic and ionic conductivity – enable ASC high areal mass loadings (up to 30 mg cm−2 for the anode and 75 mg cm−2 for the wood carbon/MnO2 composite cathode), a high energy density of 1.6 mW h cm−2 and a maximum power density of 24 W cm−2, representing the highest mass loading and areal energy/power densities among all reported MnO2-based supercapacitors. Moreover, all components in the all-wood-structured ASC are low-cost, environmentally friendly and biocompatible. With these unique features, the all-wood-structured ASC represents a promising energy storage device to realize high mass loading, high energy/power density, and biocompatibility for green and renewable energy storage.
Determination of mefenamic acid in urine and pharmaceutical samples by HPLC after pipette-tip solid phase microextraction using zinc sulfide modified carbon nanotubes

In this work, a novel pipette-tip solid phase microextraction based on a carbon nanotube–zinc sulfide (CNTs–ZnS) nano-composite, as a selective sorbent, was developed and applied for the extraction and HPLC determination of trace amounts of mefenamic acid in urine samples. The CNT–ZnS nano-composite was synthesized by electrophoretic deposition on aluminum sheets. Parameters affecting the extraction efficiency were investigated and optimized. The method was found to be linear in the range of 0.7–100 μg L−1 with good linearity (r2 > 0.989). The limit of detection was calculated to be 0.075 μg L−1 and the relative standard deviation for 50 μg L−1 of the analyte in aqueous solution (n = 5) was 4.2%. Moreover, a short analysis time of 9 min was achieved. Finally, the method was successfully applied to the extraction and preconcentration of mefenamic acid in pharmaceutical and urine samples.
History pedagogic practices in Greek supplementary schools in England, past and present

ABSTRACT This study was conducted at an important chronological turning point with regard to the structure of the Greek community and Greek supplementary schools in the UK. This paper, following a mixed-methods methodology, aims to examine whether pedagogic practices and norms of the past that took place in Greek supplementary schools continue to exist today, in a word of continuous socio-political changes. This is undertaken with a retrospective examination of the education of Greek immigrant children in the UK in the past, an examination of how pre-existing, primordial notions of culture and ethnicity influence pedagogic practices and how these influence students’ motivation and identity development at present. The findings call for a revisiting of policies, as well as curricular and pedagogic practices in Greek supplementary education, in order to reflect the current fluid and constantly changing context.
Color-Sensitivity-Based Rate-Distortion Optimization for H.265/HEVC

Rate-Distortion Optimization (RDO) is an important step in video coding to achieve the best quality under a certain compression ratio constraint. The traditional RDO assigns equal importance to different color components. However, Human Visual System (HVS) has different sensitivities to different components. In this paper, the color-sensitivity-based combined PSNR (CSPSNR) is utilized as the distortion measurement in the process of RDO, where the characteristics of the color sensitivities of HVS are taken into account. Firstly, the distortion weights of luma and chroma components are derived from the criterion of maximizing CSPSNR. Then Lagrange multiplier and quantization parameter (QP) are adjusted according to the variation of distortion weights among different components. Finally, the CSPSNR-based RDO (CSRDO) adaptively calculates the RD costs of luma and chroma components under different sampling rates to improve the coding efficiency of the whole sequence. Experimental results in H.265/HEVC demonstrate that the proposed method can achieve 3.11% and 3.58% BD-RATE gain for AI and RA configurations in terms of CSPSNR on average.
How to succeed with volunteers on the basis of commitment and ownership

Organising a multidisciplinary student organisation face challenges in regards to student engagement, ownership and commitment. This article will discuss key factors to create commitment and ownership in volunteer organisations. The identified factors are 1) an engaged core group of ambassadors who spread motivation, passion and drive, 2) build relations across departments and level of responsibility to lower the threshold to share ideas, give feedback and ask for advice, 3) expedient and communicated organisational structure that divides responsibility and ensures collaboration, and 4) clear individual and personal incentive to participate. These factors will increase your likelihood of success with motivating your members to be committed and take ownership. Align Racing UiA, the case of this study, is a student organisation with over 60 students engaged in multidisciplinary tasks. The team goal is to produce one race car per year and compete in Formula Student. The core visions for the teamwas establishment of community spirit, ownership and commonly established success factors. This vision, and continuous progress, was enacted throughout the year of the competition with a focus on dependable communication across the departments and fast paced problem solving. The team achievements were impressive, compared with other Formula Student teams.
Perceived organizational support and psychological empowerment on service performance mediated by organizational citizenship behavior Islamic perspective (OCBIP)

This study aims to determine and analyze the influence of perceived organizational support, psychological empowerment, and organizational citizenship behavior from an Islamic perspective to service performance, as well as the mediation role of organizational citizenship behavior from an Islamic perspective on the relationship between perceived organizational support and psychological empowerment on service performance. The population of this study is all employees of food processing industry companies in Yogyakarta with a number of samples of 112 respondents. Using the quantitative method and primary data from questionnaire distributions, the research model will be analyzed using Structural Equation Modeling (SEM) with AMOS software. The results of this study reveal that perceived organizational support has a positive and significant influence on service performance; psychological empowerment has a positive and significant influence on service performance; organizational citizenship behavior from an Islamic perspective has a positive and significant influence on service performance; organizational citizenship behavior from Islamic perspective mediates the relationship between perceived organizational support on service performance, and organizational citizenship behavior from Islamic perspective mediates the relationship between psychological empowerment on service performance.
Pedagogic Interest Group: a novel and proven collaborative, adhocracy research group structure

This article was migrated. The article was marked as recommended. Background: Teaching is a core activity for universities, and pedagogic research is essential for improving student experience, staff satisfaction, and research and teaching quality. Pedagogic research is often performed as a secondary research area or by part-time staff, requiring good collaboration. Existing research structures in universities often result in pedagogic research falling through the gaps and for quality work and pedagogic improvements to be missed. Aim: The aim was to develop a clear and flexible structure to improve participation and output of pedagogic research in the School of Pharmacy and Biomedical Sciences at the University of Central Lancashire. Method: A collaborative adhocracy called the Pedagogic Interest Group (PIG) was created in January 2020. It was designed to allow collaborative, flexible research projects to be easily set up by any staff member. The group supervises and organises a bespoke team of people for each project, drawing on all previously involved staff’s expertise and contacts through an initial project meeting organised by an independent group chair. Each project group runs independently, with further help available from the group chairs. Results: Under the PIG structure, seven projects have been undertaken in less than one year. Two papers were published, one under review, two in preparation, one abstract accepted at an international conference, and fifteen funded undergraduate research projects completed. Part-time teaching staff are more involved in the research. Internally, three departments and externally, three other UK universities have been collaboratively involved in research projects. Conclusion: The PIG structure works and depends on staff’s continued engagement and at least two independent chairs for impartiality and transparency.
Distinctive Alteration of Neuropeptide Y Expression Responsible for Neuro-Proliferation Following Zebrafish Spinal Cord Injury

In strong contrast to the limited repair within the mammalian central nervous system, the spinal cord of adult zebrafish is capable of regeneration following injury. Understanding the mechanism underlying neural regeneration and functional recovery in spinal cord-injured zebrafish may lead to effective therapies for human spinal cord injury (SCI). Since neuropeptide Y (NPY) plays a protective role in the pathogenesis of several neurological diseases, in the present study, the effects of NPY on neuronal repair and subsequent recovery of motor function in adult zebrafish post-SCI were evaluated. Real-time quantitative PCR (qRT-PCR), in situ hybridization (ISH) and immunostaining of NPY revealed decreased NPY expression at 12 hours (h), 6 days (d) and 21 d after SCI. Double-immunostaining for NPY and Islet-1, a motoneuron marker, showed that NPY was expressed in spinal cord motoneurons. NPY morpholino (MO) treatment resulted in suppressed locomotor recovery and axon regrowth. PCNA and Islet-1 double-staining showed suppressed motoneuron proliferation in NPY-MO zebrafish. Similar to NYP, the mRNA level for NPY1R was also expressed within motoneurons and downregulated at 12 h and 21 d after SCI. Collectively, these data suggest that NPY expression in motoneurons promotes locomotor recovery and axon regrowth in adult zebrafish, possibly by regulating motoneuron proliferation through the activation of NPY1R.
Green Functions of Chiral Currents within OPE

We present new results on contributions of the QCD condensates to the two-point and the threepoint Green functions of chiral currents, calculated within the means of the operator product expansion (OPE). Further, for the Green functions of the odd-intrinsic parity sector of QCD, we show up-to-date knowledge of behavior of the matching between the calculations performed in the resonance chiral theory and OPE. This matching, however, as complicated as it is, can lead to important constraints on the coupling constants of the resonance Lagrangian, relevant in the odd-sector of QCD.