18,823 research outputs found

    Learning to Dress {3D} People in Generative Clothing

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    Three-dimensional human body models are widely used in the analysis of human pose and motion. Existing models, however, are learned from minimally-clothed 3D scans and thus do not generalize to the complexity of dressed people in common images and videos. Additionally, current models lack the expressive power needed to represent the complex non-linear geometry of pose-dependent clothing shapes. To address this, we learn a generative 3D mesh model of clothed people from 3D scans with varying pose and clothing. Specifically, we train a conditional Mesh-VAE-GAN to learn the clothing deformation from the SMPL body model, making clothing an additional term in SMPL. Our model is conditioned on both pose and clothing type, giving the ability to draw samples of clothing to dress different body shapes in a variety of styles and poses. To preserve wrinkle detail, our Mesh-VAE-GAN extends patchwise discriminators to 3D meshes. Our model, named CAPE, represents global shape and fine local structure, effectively extending the SMPL body model to clothing. To our knowledge, this is the first generative model that directly dresses 3D human body meshes and generalizes to different poses. The model, code and data are available for research purposes at https://cape.is.tue.mpg.de.Comment: CVPR-2020 camera ready. Code and data are available at https://cape.is.tue.mpg.d

    Civil Procedure and the Ministerial Exception

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    In Hosanna-Tabor Evangelical Lutheran Church & School v. EEOC, the U.S. Supreme Court recognized a ministerial exception to the ordinary rules of employer liability. The Court also concluded that the exception operates as an affirmative defense rather than a jurisdictional bar. This conclusion raises quite significant questions about how courts should address the exception in the course of litigation. This Article posits that courts should approach these procedural questions in light of the underlying justification for the ministerial exception. The exception reflects a longstanding constitutional limitation on the competence of courts to resolve “strictly and purely ecclesiastical” questions. To conclude that the exception operates as an affirmative defense does not alter this fundamental limitation on the authority of secular courts. As a practical matter, this means that in litigation between religious institutions and their employees, courts may be required to manage discovery to resolve threshold questions about the application of the ministerial exception before permitting broader discovery. Similarly, courts should consider permitting interlocutory appeals of trial court decisions that deny motions for summary judgment based on the exception. And courts not only should conclude that religious institutions do not waive the defense by failing to raise it but also ought to raise it sua sponte when the facts indicate that the exception may apply. These departures from the ordinary treatment of affirmative defenses are necessary to respect the constitutional principles that the Court articulated in Hosanna-Tabor

    Political and ethnic representation in Chinese local governance : analysis of the roles of the deputies of Leishan County People's Congress, Guizhou Province, China : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Development Studies, Massey University, Manawatu, New Zealand

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    This thesis investigates the political and ethnic environment of local Chinese political actors and their representational dilemmas in the Miao-dominant area of Leishan County, Guizhou Province, China. The investigation is conducted via two research questions: how do the deputies of a Miao County People‘s Congress in China play their roles in representing the interests of the state towards the community, and how do they represent the interests of the community towards the state? The achievements of the deputies and the challenges they face in their dual representational roles are a focus of the analysis. The thesis provides insight into the governance and politics of a local government body dominated by an ethnic minority and the interplay of these dynamics with central government authorities presided over by Han Chinese. The representative structure of the Leishan County People‘s Congress (LCPC) and its deputy membership is explored to understand how the deputies enact their roles in promoting, intervening in and restructuring development projects as both agents of and remonstrators to the central state. Case studies of village governance and cultural tourism are used to illustrate how the LCPC deputies are both coordinators and negotiators in a polycentric local governance structure. The fieldwork was carried out in the ethnic area of Leishan County. Relevant data was collected through four interrelated research methods: focus groups, semi-structured individual interviews, purposive observation and document analysis. The quantification of pairwise ranking by the focus groups highlighted the achievements and challenges in the key functions required of the deputies. The data also led to two further areas for in-depth analysis: centrallocal relations, and the political and ethnic representation of the deputies. The research found that when conflicts exist, political representation that favours the state prevails over community interests. At the same time, the deputies‘ representation of their ethnic communities is enhanced and augmented when they undertake to localise the national development policies and projects handed down by central authorities. Finally, the concept of polycentric governance enables a more precise understanding of the changing local governance systems in China among the diverse stakeholders present in the ethnic communities

    VNect: Real-time 3D Human Pose Estimation with a Single RGB Camera

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    We present the first real-time method to capture the full global 3D skeletal pose of a human in a stable, temporally consistent manner using a single RGB camera. Our method combines a new convolutional neural network (CNN) based pose regressor with kinematic skeleton fitting. Our novel fully-convolutional pose formulation regresses 2D and 3D joint positions jointly in real time and does not require tightly cropped input frames. A real-time kinematic skeleton fitting method uses the CNN output to yield temporally stable 3D global pose reconstructions on the basis of a coherent kinematic skeleton. This makes our approach the first monocular RGB method usable in real-time applications such as 3D character control---thus far, the only monocular methods for such applications employed specialized RGB-D cameras. Our method's accuracy is quantitatively on par with the best offline 3D monocular RGB pose estimation methods. Our results are qualitatively comparable to, and sometimes better than, results from monocular RGB-D approaches, such as the Kinect. However, we show that our approach is more broadly applicable than RGB-D solutions, i.e. it works for outdoor scenes, community videos, and low quality commodity RGB cameras.Comment: Accepted to SIGGRAPH 201

    The role of human body movements in mate selection

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    It is common scientific knowledge, that most of what we say within a conversation is not only expressed by the words meaning alone, but also through our gestures, postures, and body movements. This non-verbal mode is possibly rooted firmly in our human evolutionary heritage, and as such, some scientists argue that it serves as a fundamental assessment and expression tool for our inner qualities. Studies of nonverbal communication have established that a universal, culture-free, non-verbal sign system exists, that is available to all individuals for negotiating social encounters. Thus, it is not only the kind of gestures and expressions humans use in social communication, but also the way these movements are performed, as this seems to convey key information about an individuals quality. Dance, for example, is a special form of movement, which can be observed in human courtship displays. Recent research suggests that people are sensitive to the variation in dance movements, and that dance performance provides information about an individuals mate quality in terms of health and strength. This article reviews the role of body movement in human non-verbal communication, and highlights its significance in human mate preferences in order to promote future work in this research area within the evolutionary psychology framework
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