특정 데이터셋 온톨로지 기반 폭행 감지를 위한 LSTM 영상 주석

Marshall Kyungsung University, Graduate School. 2021 국내석사

컴퓨터 비전은 사진 또는 동영상의 시각적 정보를 높은 수준으로 이해할 수 있도록 하는 다원적인 연구분야이다. 이 과정은 정보를 일반적 또는 풍부하게 추출하고 추출된 정보를 추론하기 위한 다양한 기법과 방법을 포함한다. 지난 10년간 발전의 큰 도약으로, 딥러닝은 컴퓨터 비전 분야에서 많이 연구되고 있다. 컴퓨터 비전과 딥러닝의 응용 프로그램 중 하나는 다양한 응용 프로그램으로 확장되는 지능형 감시입니다. 지능형 감시에는 보안 시스템, 인적 활동 인식, 교통 관리 및 법 집행 시스템을 포함할 수 있지만 이에 국한되지는 않다. 보안에 중점을 두고 특정 제한 지역 주변의 이물질 탐지, 수배범 식별 또는 비정상적인 활동 감지와 같은 다양한 형태의 범죄 예방이 적용될 수 있다. 비정상적 활동 감지는 일반적으로 학문적 규율에 속하는 정상적인 / 비정상적인 패턴의 존재를 인식하기 위해 심층 학습 구조를 필요로 한다. 패턴의 특이를 인식하기 위해 개발된 접근법이 많지만, 본 논문에서 제안 된 이상 탐지 시스템의 중추로서 딥러닝 기반 이미지 캡션을 사용한다. 제안된 접근 방식은 이미지 캡션 생성(2장)과 그 구현에 초점을 맞추고 있으며, 이를 유능한 모니터링 시스템으로서의 기능을 보여준다. 제 3장에서는 제안된 접근 방식은 특징 벡터가 주어진 단어 임베딩에 장단기 메모리(LSTM) 레이어를 사용한다. 또한, 제안된 접근법은 매우 인기 있는 단어 내장 사전인 GloVe 색인 방법을 사용한다. 제 4장은 특정 환경에서 발생할 수 있는 폭력 활동을 탐지하기 위해 개발된 프로토타입을 검토한다. 결과 캡션이 로우패스 필터와 임계값을 통과하여 경보를 알린다. Computer vision is a multidisciplinary field of study that attempts to enable a high-level understanding of visual information in the form of digital images or videos by computers. The process generally involves the usage of various techniques and manipulation to extract information, generally or richly, and make an inference out of the extracted information. With a great leap of development in the past decade, deep learning has been gaining more popularity in the study of computer vision. One of the real-world applications of computer vision and deep learning is intelligent surveillance which branches out to many different applications. Some of these might include but are not limited to, security systems, human activity recognition, traffic management, and law enforcement system. Under the security focus of its application, various forms of crime prevention can be applied such as detection of foreign bodies around certain restricted areas, identification of wanted criminals, or abnormal activity detection. Abnormal activity detection commonly requires a deep learning architecture to recognize the presence of abnormal/unusual patterns which falls under its academic discipline. While there are many approaches developed to recognize the outlier in the pattern, this manuscript uses deep-learning-based image captioning as the backbone of the proposed anomaly detection system. The proposed approach focuses on image caption generation (Chapter 2) and its implementation to show its function as a capable monitoring system. In Chapter 3, the proposed approach uses the Long-Short-Term Memory (LSTM) layer for word embedding given a feature vector. Also, the proposed approach makes use of the GloVe indexing method which is a highly popular word embedding dictionary. Chapter 4 reviews the developed prototype to detect probable violent activities in a given environment. The resulting caption is passed through a low-pass filter and threshold to trigger the alarm.

Response of Deep Foundations to Seismic Loads in Alabama

Kane, Kevin Marshall Auburn University ProQuest Dissertations & Theses 2013 해외박사(DDOD)

소속기관이 구독 중이 아닌 경우 오후 4시부터 익일 오전 9시까지 원문보기가 가능합니다.

Deep foundations are commonly used as foundation elements for bridges in Alabama. Due to the implementation of the American Association of State Highway and Transportation Officials (AASHTO) Load and Resistance Factor Design (LRFD) Bridge Design Specifications, design of critical and essential bridges will be significantly impacted for the moderate seismic design category of Alabama.Five bridge case studies were provided by the Alabama Department of Transportation (ALDOT) to evaluate the response of typical foundations used for critical and essential bridges. FB-Multi Pier, a program that couples nonlinear structural finite element analysis with nonlinear static soil models, was used to model both the soil and structure (both foundation elements and substructure components) of each case history. These models were loaded with a suite of scaled time-history events to simulate an earthquake. Displacement at the top of the pier and ground surface was recorded, as well as maximum shear force, bending moment, and demand/capacity (D/C) ratio distribution along the length of the driven pile, drilled shaft, or column. The maximum shear force, bending moment, and D/C ratio distributions indicated where the plastic hinge zones could be expected to form in the structure. FB-Multi Pier was also used to develop a family of foundation response curves that were used in SAP2000 to evaluate the performance of the case histories.Pile performance under combined scour and earthquake was reviewed and two different scour depth models were developed for one case history. Buckling criteria for foundations in soft clay or liquefiable soil were also reviewed and compared to two case histories.It was found that scour depth appears to affect the dynamic response of the bridge pier. The pier modeled with 25% scour depth performed worse (structurally) than the same pier modeled with 100% scour depth. This was due to large displacements at the ground surface and large bending moments developing below the ground surface. The pier founded in soft clay over rock performed poorly due to structural failure in the foundations. This was due to flexure failure of the piles. It was also found that drilled shafts embedded in shallow bedrock tend to perform well depending on the natural frequency and structural period of the pier. Recommendations for further research address soil susceptibility to scour and liquefaction, full-scale dynamic load testing, and correlations between the natural and structural period of a bridge pier and its performance during an earthquake event.

The taxonomy, phylogeny and biogeography of the neotropical genus, Verres Kaup (Coleoptera: Passalidae, Proculini)

Marshall, Christopher J Cornell University 2000 해외박사(DDOD)

소속기관이 구독 중이 아닌 경우 오후 4시부터 익일 오전 9시까지 원문보기가 가능합니다.

A taxonomic revision of <italic>Verres</italic> Kaup was conducted. Nine of the 26 species-level names published under <italic>Verres </italic> (including: <italic>Neoverres</italic> Hincks and <italic>Platyverres </italic> Bates), are considered valid. The invalid names consist of 2 <italic> nomina nuda</italic>, 1 unnecessary replacement name, and 14 junior synonyms (5 of which are newly proposed). Three new species are described, raising the complement of valid species to 12: <italic>cavicollis</italic> Bates, <italic> corticicola</italic> Truqui, <italic>deficiens</italic> Kuwert, <italic>furcilabris </italic> (Eschscholtz), <italic>hageni</italic> Kaup, <italic>intermedius </italic> Kaup, <italic>longicornis</italic> (Luederwaldt), <italic>onorei </italic> Boucher and Pardo Locarno, <italic>sternbergianus</italic> Zang, <italic> achoros</italic> Marshall, n. sp., <italic>arion</italic> Marshall, n. sp., and <italic>gilloglyi</italic> Marshall, n. sp. A comprehensive review of passalid beetle morphology, including detailed illustrations of adult and larval external anatomy, was accomplished. The morphological findings are compared to past anatomical work of Passalidae, other scarabaeoid taxa, and Coleoptera in general. A cladistic analysis was conducted of the 12 valid species of <italic> Verres</italic> based on 27 morphological characters of adults and larvae. Exemplar species from <italic>Veturius</italic> Kaup, <italic>Publius</italic> Kaup and <italic>Proculus</italic> Kaup, three closely related proculine genera, were used as outgroups. The analysis produced a single most parsimonious cladogram (length 59, CI 58 and RI 77) that supports the monophyly of <italic>Verres </italic>. The results also support the conclusion that brachyptery (reduced flight wings) has evolved twice in the genus: once in the Mexican species, <italic> V. intermedius</italic> Kaup and once in a clade of species from southern Central America, related to <italic>V. longicornis</italic> (Luederwaldt). Areas of endemism were defined using multiple criteria, including geography, elevation and forest type. Cladistic biogeographic methods were employed to infer the most parsimonious area relationships. The results support the notion that <italic>Verres</italic> has both older Central American components, as well as more recent radiations. Additionally, the results indicate that the Talamancan cordillera is a complex zone with affinities to northwestern South America as well as to nuclear Central America. A biogeographic prediction is made that the newly described species, <italic>V. achoros</italic> Marshall, n. sp., for which no locality information is known, is natively distributed in the eastern Talamancan Cordillera.

The Bleaching Carceral: Police, Native and Location in Nairobi, 1844-1906

Marshall, Yannick Columbia University ProQuest Dissertations & These 2017 해외박사(DDOD)

소속기관이 구독 중이 아닌 경우 오후 4시부터 익일 오전 9시까지 원문보기가 가능합니다.

The Bleaching Carceral: Police, Native and Location in Nairobi, 1844-1906 Yannick Marshall This dissertation provides a history of the white supremacist police-state in Nairobi beginning with the excursions of European-led caravans and ending with the institutionalizing of the municipal entity known as the township of Nairobi. It argues that the town was not an entity in which white supremacist and colonial violence occurred but that it was itself an effect white supremacy. It presents the invasion of whiteness into the Nairobi region as an invasion of a new type of power: white supremacist police power. Police power is reflected in the flogging of indigenous peoples by explorers, settlers and administrators and the emergence of new institutions including the constabulary, the caravan, the "native location" and the punitive expedition. It traces the transformation of the figure of the indigenous other as "hostile native," "raw native," "native," "criminal-African" and finally "African." The presence of whiteness, the things of whiteness, and bodies racialized as white in this settler-colonial society were corrosive and destructive elements to indigenous life and were foundational to the construction of the first open-air prison in the East African Hinterland.

The Lu@shi chungju : an ancient Chinese political cosmology / by John Marshall Louton

Louton, John Marshall Univ. Microfilms International 1983 국내박사

Neuropeptides in the RVM promote descending facilitation and abnormal pain

Marshall, Timothy M The University of Arizona 2008 해외박사(DDOD)

소속기관이 구독 중이 아닌 경우 오후 4시부터 익일 오전 9시까지 원문보기가 가능합니다.

The neuropeptides dynorphin and cholecystokinin (CCK), and their associated pronociceptive effects were investigated in the RVM. Utilizing a nerve-injury model (SNL), RT-PCR analysis revealed increases (p<0.05) of prodynorphin mRNA, and bradyinkin, B1- and B2-receptor mRNA, post-SNL, 14-days, 2-days, and 14-days, respectively. Administration of dynorphin into the RVM produced both acute and long-lasting (>30-days) tactile hypersensitivity. Administration of the B1-antagonist, DALBK and the B2-antagonist, Hoe-140, into the RVM significantly attenuated dynorphin-induced tactile hypersensitivity. Nerve-injury induced tactile hypersensitivity was significantly reversed by RVM administration of dynorphin antiserum or the B2-antagonist, Hoe-140. These data suggest that dynorphin is up-regulated in the RVM in nerve-injury, and via the activation of bradykinin receptors in the RVM, produces abnormal pain. Like dynorphin, CCK is up-regulated in the RVM in nerve-injury, with studies suggesting that elevated levels of CCK in the RVM mediate pronociceptive activity through CCK2 receptor activation, resulting in enhanced spinal nociceptive transmission. At present, it is unknown what key neurotransmitters are mediating this RVM CCK-driven effect at the level of the spinal cord. Here, spinal cerebrospinal fluid (CSF) levels of serotonin (5-HT) and prostaglandin E 2 (PGE2) were measured in the lumbar spinal cord in naive rats following CCK administration into the RVM. Following RVM CCK microinjection, an approximate 5-fold increase in spinal (CSF) PGE2 levels was observed, as compared to baseline controls. PGE2 levels showed a progressive increase with peak levels observed at the 80-minute post-CCK injection timepoint, whereas 5-HT levels in the spinal CSF remained unchanged following CCK administration into the RVM. This release of PGE2 coincided with the timecourse for CCK-induced mechanical hypersensitivity. Administration of the CCK2-antagonist YM022 prior to CCK into the RVM, significantly attenuated (>50%) the release of PGE2 in the spinal cord. The non-selective COX-inhibitor naproxen and the 5-HT 3 antagonist ondansetron, both administered intrathecally, significantly attenuated RVM CCK-induced hindpaw tactile hypersensitivity. In summary, these data suggest a bradykinin- or CCK2-receptor antagonist could be used alone or in conjunction with current therapies in the treatment of chronic pain.

Concept matching in informal node-link knowledge representations

Marshall, Byron Bennett The University of Arizona 2005 해외박사(DDOD)

소속기관이 구독 중이 아닌 경우 오후 4시부터 익일 오전 9시까지 원문보기가 가능합니다.

Information stored by managed organizations in free text documents, databases, and engineered knowledge repositories can often be processed as networks of conceptual nodes and relational links (concept graphs). However, these models tend to be informal as related to new or multi-source tasks. This work contributes to the understanding of techniques for matching knowledge elements: in informal node-link knowledge representations, drawn from existing data resources, to support user-guided analysis. Its guiding focus is the creation of tools that compare, retrieve, and merge existing information resources. Three essays explore important algorithmic and heuristic elements needed to leverage concept graphs in real-world applications. Section 2 documents an algorithm which identifies likely matches between student and instructor concept maps aiming to support semi-automatic matching and scoring for both classroom and unsupervised environments. The knowledge-anchoring, similarity flooding algorithm significantly improves on term-based matching by leveraging map structure and also has potential as a methodology for combining other informal, human-created knowledge representations. Section 3 describes a decompositional tagging approach to organizing (aggregating) automatically extracted biomedical pathway relations. We propose a five-level aggregation strategy for extracted relations and measure the effectiveness of the BioAggregate tagger in preparing extracted information for analysis and visualization. Section 4 evaluates an importance flooding algorithm designed to assist law enforcement investigators in identifying useful investigational leads. While association networks have a long history as an investigational tool, more systematic processes are needed to guide development of high volume cross jurisdictional data sharing initiatives. We test path-based selection heuristics and importance flooding to improve on traditional association-closeness methodologies. Together, these essays demonstrate how structural and semantic information can be processed in parallel to effectively leverage ambiguous network representations of data. Also, they show that real applications can be addressed by processing available data using an informal concept graph paradigm. This approach and these techniques are potentially useful for workflow systems, business intelligence analysis, and other knowledge management applications where information can be represented in an informal conceptual network and that information needs to be analyzed and converted into actionable, communicable human knowledge.

Towards cancer immunotherapy: Analysis of a tumor targeting antibody and engineering of a novel fusion protein to activate cytotoxic T cells

Marshall, Keith Wesley University of California, San Francisco 1999 해외박사(DDOD)

소속기관이 구독 중이 아닌 경우 오후 4시부터 익일 오전 9시까지 원문보기가 가능합니다.

The provision of the T cell costimulatory molecule B7 to tumor cells can be an effective means of triggering a tumor specific cytolytic T cells response. One way to provide B7 to tumor cells would be to couple an anti-tumor antibody either directly to 137 or to an antibody to the B7 counterreceptor on T cells, CD28. Such a molecule should target tumors displaying antigen and provide the costimulatory signal to T cells, resulting in the initiation of an anti-tumor T cell response. To this end, a fusion protein was designed which incorporates a single chain antibody fragment (scFv) to erbB-2 (Her2/neu), an oncogene product overexpressed by 30–50% of breast carcinomas, and the extracellular domain of B7-2 (CD86). A mutational scan of the V_H-CDR3 of the antierbB-2 scFv, C6.5, was first performed in an attempt to identify residues which could be targeted for affinity maturation. The data generated was used by others to help isolate an anti-erbB-2 scFv (C6ML3-B1) with sub-nanomolar affinity for erbB-2. C6ML3-B1 was used in the genetic engineering of the B7-2 bearing fusion protein. ELISA and BIAcore experiments demonstrated that the fusion protein could bind independently and simultaneously to immobilized erbB-2 and CD28, FACs analysis showed that the fusion protein could bind independently to cell surface antigen, and costimulation assays measuring IL-2 production by Jurkat cells demonstrated that the costimulatory signal could be provided to T cells in a CD28 specific fashion. Therefore, the fusion protein was shown to function as envisioned and should be analyzed further in erbB-2 tumor bearing mice for tumor targeting, biodistribution, and efficacy. In addition, single chain antibody fragments were selected, using a phage display scFv library, which are specific for the T cell costimulatory receptor molecule CD28. Anti-CD28 scFv with a range of affinities were isolated and characterized.

The stuff of modern life: Materiality and thingness in the Museum of Modern Art's Machine Art show, 1934 (New York)

Marshall, Jennifer Jane University of California, Los Angeles 2005 해외박사(DDOD)

소속기관이 구독 중이 아닌 경우 오후 4시부터 익일 오전 9시까지 원문보기가 가능합니다.

This dissertation focuses on the landmark Machine Art exhibit held at the Museum of Modern Art in New York during the spring of 1934. The exhibit displayed over 400 objects of mechanized mass-production: including airplane propellers, ball bearings, pots, pans, and Petri dishes. Beginning with the seemingly simple observation that Machine Art consisted entirely of three-dimensional objects, I maintain that materiality and thingness---the objects' brute, physical presence---was fundamental to MoMA's formalist aesthetics both in this show and for modernism more generally. Four chapters address different aspects of thingness and materiality as they pertain to Machine Art and a series of supporting case studies: temporality, value, production, and experience. In Chapter 1, "The More Things Change," I consider how Machine Art's things provided museumgoers with a tangible way to adjust to the rapid pace of Machine Age modernization. In Chapter 2, "In Form We Trust," I examine how MoMA's absolute principles of form, beauty, and value circulated in Machine Art as a sort of aesthetic gold standard: a reliable measure of artistic worth for all things, and a conservative hedge against the era's rampant change and volatile unpredictability. In Chapter 3, "Some Assembly Required," I argue that Machine Art ironically co-opted the contemporary discourse of direct carving in sculpture (itself motivated by anxieties over mechanization), only in order to celebrate the simple forms of mass-production. In Chapter 4, "The Eye of the Beholder," I focus my attention on the popular ballot MoMA conducted in conjunction with the Manhattan installation of Machine Art: a story which serves to illustrate the complexities and contingencies involved in the practice of evaluation, in spite of all MoMA's efforts to the contrary. Machine Art's aesthetic proposition demonstrates a more ambivalent---and ultimately more conservative---attitude toward both modernism and early twentieth-century consumer capitalism than has heretofore been understood. Using objects to appropriate the discourse of sculpture and to turn abstract aesthetic ideals into concrete forms, with Machine Art MoMA offered an ideology of modernism premised on the conservative values of authenticity, transcendence, and timelessness.

Uncharted Territory: Receptions of Philosophy in Apollonius Rhodius' Argonautica

Marshall, Laura Ann The Ohio State University ProQuest Dissertations & 2017 해외박사(DDOD)

소속기관이 구독 중이 아닌 경우 오후 4시부터 익일 오전 9시까지 원문보기가 가능합니다.

The Argonautica of Apollonius Rhodius is often studied in terms of how the author uses previous literary poets such as Homer. This project asks whether Apollonius Rhodius also uses philosophical authors in his Argonautica and looks particularly.