Relevant bibliographies by topics / SISR

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'SISR'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "SISR"

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Ozcinar, Cagri, and Aakanksha Rana. "Quality Assessment of Super-Resolved Omnidirectional Image Quality Using Tangential Views." Electronic Imaging 2021, no. 9 (January 18, 2021): 295–1. http://dx.doi.org/10.2352/issn.2470-1173.2021.9.iqsp-295.

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Omnidirectional images (ODIs), also known as 360-degree images, enable viewers to explore all directions of a given 360-degree scene from a fixed point. Designing an immersive imaging system with ODI is challenging as such systems require very large resolution coverage of the entire 360 viewing space to provide an enhanced quality of experience (QoE). Despite remarkable progress on single image super-resolution (SISR) methods with deep-learning techniques, no study for quality assessments of super-resolved ODIs exists to analyze the quality of such SISR techniques. This paper proposes an objective, full-reference quality assessment framework which studies quality measurement for ODIs generated by GAN-based and CNN-based SISR methods. The quality assessment framework offers to utilize tangential views to cope with the spherical nature of a given ODIs. The generated tangential views are distortion-free and can be efficiently scaled to high-resolution spherical data for SISR quality measurement. We extensively evaluate two state-of-the-art SISR methods using widely used full-reference SISR quality metrics adapted to our designed framework. In addition, our study reveals that most objective metric show high performance over CNN based SISR, while subjective tests favors GAN-based architectures.
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Plaza, D. A., R. De Keyser, G. J. M. De Lannoy, L. Giustarini, P. Matgen, and V. R. N. Pauwels. "The importance of parameter resampling for soil moisture data assimilation into hydrologic models using the particle filter." Hydrology and Earth System Sciences 16, no. 2 (February 8, 2012): 375–90. http://dx.doi.org/10.5194/hess-16-375-2012.

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Abstract. The Sequential Importance Sampling with Resampling (SISR) particle filter and the SISR with parameter resampling particle filter (SISR-PR) are evaluated for their performance in soil moisture assimilation and the consequent effect on baseflow generation. With respect to the resulting soil moisture time series, both filters perform appropriately. However, the SISR filter has a negative effect on the baseflow due to inconsistency between the parameter values and the states after the assimilation. In order to overcome this inconsistency, parameter resampling is applied along with the SISR filter, to obtain consistent parameter values with the analyzed soil moisture state. Extreme parameter replication, which could lead to a particle collapse, is avoided by the perturbation of the parameters with white noise. Both the modeled soil moisture and baseflow are improved if the complementary parameter resampling is applied. The SISR filter with parameter resampling offers an efficient way to deal with biased observations. The robustness of the methodology is evaluated for 3 model parameter sets and 3 assimilation frequencies. Overall, the results in this paper indicate that the particle filter is a promising tool for hydrologic modeling purposes, but that an additional parameter resampling may be necessary to consistently update all state variables and fluxes within the model.
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Ai, Na, Jinye Peng, Xuan Zhu, and Xiaoyi Feng. "SISR via trained double sparsity dictionaries." Multimedia Tools and Applications 74, no. 6 (October 15, 2013): 1997–2007. http://dx.doi.org/10.1007/s11042-013-1736-x.

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Pek, Jun Wei, Ismail Osman, Mandy Li-Ian Tay, and Ruther Teo Zheng. "Stable intronic sequence RNAs have possible regulatory roles in Drosophila melanogaster." Journal of Cell Biology 211, no. 2 (October 26, 2015): 243–51. http://dx.doi.org/10.1083/jcb.201507065.

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Stable intronic sequence RNAs (sisRNAs) have been found in Xenopus tropicalis, human cell lines, and Epstein-Barr virus; however, the biological significance of sisRNAs remains poorly understood. We identify sisRNAs in Drosophila melanogaster by deep sequencing, reverse transcription polymerase chain reaction, and Northern blotting. We characterize a sisRNA (sisR-1) from the regena (rga) locus and show that it can be processed from the precursor messenger RNA (pre-mRNA). We also document a cis-natural antisense transcript (ASTR) from the rga locus, which is highly expressed in early embryos. During embryogenesis, ASTR promotes robust rga pre-mRNA expression. Interestingly, sisR-1 represses ASTR, with consequential effects on rga pre-mRNA expression. Our results suggest a model in which sisR-1 modulates its host gene expression by repressing ASTR during embryogenesis. We propose that sisR-1 belongs to a class of sisRNAs with probable regulatory activities in Drosophila.
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Weng, Yu, Zehua Chen, and Tianbao Zhou. "Improved differentiable neural architecture search for single image super-resolution." Peer-to-Peer Networking and Applications 14, no. 3 (January 14, 2021): 1806–15. http://dx.doi.org/10.1007/s12083-020-01048-4.

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AbstractDeep learning has shown prominent superiority over other machine learning algorithms in Single Image Super-Resolution (SISR). In order to reduce the efforts and resources cost on manually designing deep architecture, we use differentiable neural architecture search (DARTS) on SISR. Since neural architecture search was originally used for classification tasks, our experiments show that direct usage of DARTS on super-resolutions tasks will give rise to many skip connections in the search architecture, which results in the poor performance of final architecture. Thus, it is necessary for DARTS to have made some improvements for the application in the field of SISR. According to characteristics of SISR, we remove redundant operations and redesign some operations in the cell to achieve an improved DARTS. Then we use the improved DARTS to search convolution cells as a nonlinear mapping part of super-resolution network. The new super-resolution architecture shows its effectiveness on benchmark datasets and DIV2K dataset.
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Zhu, Xining, Lin Zhang, Lijun Zhang, Xiao Liu, Ying Shen, and Shengjie Zhao. "GAN-Based Image Super-Resolution with a Novel Quality Loss." Mathematical Problems in Engineering 2020 (February 18, 2020): 1–12. http://dx.doi.org/10.1155/2020/5217429.

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Single image super-resolution (SISR) has been a very attractive research topic in recent years. Breakthroughs in SISR have been achieved due to deep learning and generative adversarial networks (GANs). However, the generated image still suffers from undesired artifacts. In this paper, we propose a new method named GMGAN for SISR tasks. In this method, to generate images more in line with human vision system (HVS), we design a quality loss by integrating an image quality assessment (IQA) metric named gradient magnitude similarity deviation (GMSD). To our knowledge, it is the first time to truly integrate an IQA metric into SISR. Moreover, to overcome the instability of the original GAN, we use a variant of GANs named improved training of Wasserstein GANs (WGAN-GP). Besides GMGAN, we highlight the importance of training datasets. Experiments show that GMGAN with quality loss and WGAN-GP can generate visually appealing results and set a new state of the art. In addition, large quantity of high-quality training images with rich textures can benefit the results.
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Wang, Junwei, Kun Gao, Zhenzhou Zhang, Chong Ni, Zibo Hu, Dayu Chen, and Qiong Wu. "Multisensor Remote Sensing Imagery Super-Resolution with Conditional GAN." Journal of Remote Sensing 2021 (September 8, 2021): 1–11. http://dx.doi.org/10.34133/2021/9829706.

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Despite the promising performance on benchmark datasets that deep convolutional neural networks have exhibited in single image super-resolution (SISR), there are two underlying limitations to existing methods. First, current supervised learning-based SISR methods for remote sensing satellite imagery do not use paired real sensor data, instead operating on simulated high-resolution (HR) and low-resolution (LR) image-pairs (typically HR images with their bicubic-degraded LR counterparts), which often yield poor performance on real-world LR images. Second, SISR is an ill-posed problem, and the super-resolved image from discriminatively trained networks with lp norm loss is an average of the infinite possible HR images, thus, always has low perceptual quality. Though this issue can be mitigated by generative adversarial network (GAN), it is still hard to search in the whole solution-space and find the best solution. In this paper, we focus on real-world application and introduce a new multisensor dataset for real-world remote sensing satellite imagery super-resolution. In addition, we propose a novel conditional GAN scheme for SISR task which can further reduce the solution-space. Therefore, the super-resolved images have not only high fidelity, but high perceptual quality as well. Extensive experiments demonstrate that networks trained on the introduced dataset can obtain better performances than those trained on simulated data. Additionally, the proposed conditional GAN scheme can achieve better perceptual quality while obtaining comparable fidelity over the state-of-the-art methods.
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Pashaei, Mohammad, Michael J. Starek, Hamid Kamangir, and Jacob Berryhill. "Deep Learning-Based Single Image Super-Resolution: An Investigation for Dense Scene Reconstruction with UAS Photogrammetry." Remote Sensing 12, no. 11 (May 29, 2020): 1757. http://dx.doi.org/10.3390/rs12111757.

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The deep convolutional neural network (DCNN) has recently been applied to the highly challenging and ill-posed problem of single image super-resolution (SISR), which aims to predict high-resolution (HR) images from their corresponding low-resolution (LR) images. In many remote sensing (RS) applications, spatial resolution of the aerial or satellite imagery has a great impact on the accuracy and reliability of information extracted from the images. In this study, the potential of a DCNN-based SISR model, called enhanced super-resolution generative adversarial network (ESRGAN), to predict the spatial information degraded or lost in a hyper-spatial resolution unmanned aircraft system (UAS) RGB image set is investigated. ESRGAN model is trained over a limited number of original HR (50 out of 450 total images) and virtually-generated LR UAS images by downsampling the original HR images using a bicubic kernel with a factor × 4 . Quantitative and qualitative assessments of super-resolved images using standard image quality measures (IQMs) confirm that the DCNN-based SISR approach can be successfully applied on LR UAS imagery for spatial resolution enhancement. The performance of DCNN-based SISR approach for the UAS image set closely approximates performances reported on standard SISR image sets with mean peak signal-to-noise ratio (PSNR) and structural similarity (SSIM) index values of around 28 dB and 0.85 dB, respectively. Furthermore, by exploiting the rigorous Structure-from-Motion (SfM) photogrammetry procedure, an accurate task-based IQM for evaluating the quality of the super-resolved images is carried out. Results verify that the interior and exterior imaging geometry, which are extremely important for extracting highly accurate spatial information from UAS imagery in photogrammetric applications, can be accurately retrieved from a super-resolved image set. The number of corresponding keypoints and dense points generated from the SfM photogrammetry process are about 6 and 17 times more than those extracted from the corresponding LR image set, respectively.
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Ben Aouicha, Mohamed, Mohamed Ali Hadj Taieb, and Abdelmajid Ben Hamadou. "SISR: System for integrating semantic relatedness and similarity measures." Soft Computing 22, no. 6 (November 21, 2016): 1855–79. http://dx.doi.org/10.1007/s00500-016-2438-x.

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Cao, Kerang, Yuqing Liu, Lini Duan, and Tian Xie. "Adaptive Residual Channel Attention Network for Single Image Super-Resolution." Scientific Programming 2020 (August 28, 2020): 1–10. http://dx.doi.org/10.1155/2020/8877851.

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Single image super-resolution (SISR) is a traditional image restoration problem. Given an image with low resolution (LR), the task of SISR is to find the homologous high-resolution (HR) image. As an ill-posed problem, there are works for SISR problem from different points of view. Recently, deep learning has shown its amazing performance in different image processing tasks. There are works for image super-resolution based on convolutional neural network (CNN). In this paper, we propose an adaptive residual channel attention network for image super-resolution. We first analyze the limitation of residual connection structure and propose an adaptive design for suitable feature fusion. Besides the adaptive connection, channel attention is proposed to adjust the importance distribution among different channels. A novel adaptive residual channel attention block (ARCB) is proposed in this paper with channel attention and adaptive connection. Then, a simple but effective upscale block design is proposed for different scales. We build our adaptive residual channel attention network (ARCN) with proposed ARCBs and upscale block. Experimental results show that our network could not only achieve better PSNR/SSIM performances on several testing benchmarks but also recover structural textures more effectively.
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Dissertations / Theses on the topic "SISR"

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Hol, Jeroen D. "Resampling in particle filters." Thesis, Linköping University, Department of Electrical Engineering, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-2366.

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In this report a comparison is made between four frequently encountered resampling algorithms for particle filters. A theoretical framework is introduced to be able to understand and explain the differences between the resampling algorithms. This facilitates a comparison of the algorithms based on resampling quality and on computational complexity. Using extensive Monte Carlo simulations the theoretical results are verified. It is found that systematic resampling is favourable, both in resampling quality and computational complexity.

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Henry, Courtney. "Population Based Model of Gonorrhea and Interventions Against Increased Antibiotic Resistance." VCU Scholars Compass, 2012. http://scholarscompass.vcu.edu/etd/2784.

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Gonnorrhea is an infectious sexually transmitted disease (STD) caused by the bacterium Neisseria gonorrhoeae that commonly reproduces in the reproductive tract.The Centers of Disease Control and Prevention (CDC) estimate that more than 700,000 individuals in the U.S. contract new gonorrheal infections per year. During recent years, there has been a progressive global increase of drug-resistant strains of gonorrhea. Therefore, there exists the necessity for health organizations to encourage the monitoring, research and development of innovative treatment regimens. We have developed multiple mathematical models to explore the gonorrheal disease state. The first objective of model formulation was to fit the model to established disease and population data provided by the CDC and U.S. Census Bureau and then include the presence of antibiotic resistance in the model. Additionally, we discuss intervention methods to combat this resistance. The second objective of model formulation was to use parameter sensitivity to determine specific age groups to target in effort to alter disease dynamics.
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Terefe, Yibeltal Adane. "Bifurcation analysis and nonstandard finite difference schemes for Kermack and McKendrick type epidemiological models." Diss., University of Pretoria, 2012. http://hdl.handle.net/2263/24917.

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The classical SIR and SIS epidemiological models are extended by considering the number of adequate contacts per infective in unit time as a function of the total population in such a way that this number grows less rapidly as the total population increases. A diffusion term is added to the SIS model and this leads to a reaction–diffusion equation, which governs the spatial spread of the disease. With the parameter R0 representing the basic reproduction number, it is shown that R0 = 1 is a forward bifurcation for the SIR and SIS models, with the disease–free equilibrium being globally asymptotic stable when R0 is less than 1. In the case when R0 is greater than 1, for both models, the endemic equilibrium is locally asymptotically stable and traveling wave solutions are found for the SIS diffusion model. Nonstandard finite difference (NSFD) schemes that replicate the dynamics of the continuous SIR and SIS models are presented. In particular, for the SIS model, a nonstandard version of the Runge-Kutta method having high order of convergence is investigated. Numerical experiments that support the theory are provided. On the other hand the SIS model is extended to a Volterra integral equation, for which the existence of multiple endemic equilibria is proved. This fact is confirmed by numerical simulations.
Dissertation (MSc)--University of Pretoria, 2012.
Mathematics and Applied Mathematics
unrestricted
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Abreu, Luis Carlos Martins. "Mecanismos de SeleÃÃo de Gale-Shapley DinÃmicos em Universidades Brasileiras: SISU, SISUα, SISU&#946." Universidade Federal do CearÃ, 2013. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=10167.

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FundaÃÃo Cearense de Apoio ao Desenvolvimento Cientifico e TecnolÃgico
No Brasil, a busca pela reduÃÃo das ineficiÃncias observadas na alocaÃÃo de vagas em instituiÃÃes de ensino superior via o tradicional vestibular levou à formulaÃÃo e implantaÃÃo de um mecanismo alternativo de seleÃÃo para admissÃo superior: o Sistema de SeleÃÃo Unificada (SISU), criado em 2010. O mecanismo, tecnicamente falando, à um algoritmo de matching com as seguintes caracterÃsticas: i) cada estudante que recebe oferta de matrÃcula decide por aceitar ou rejeitar a oferta recebida; ii) rejeiÃÃes de ofertas provocam a realizaÃÃo de novas propostas; e iii) propostas sÃo aceitas temporariamente, podendo cada oferta aceita ser âtrocadaâ por uma oferta considerada âmelhorâ. Ou seja, o SISU à um mecanismo semelhante ao Algoritmo Deferred Acceptance (Algoritmo Gale-Shapley) com os cursos propondo. Apesar da importÃncia do SISU, a literatura econÃmica sobre o tema à basicamente inexistente. Nesse sentido, a presente dissertaÃÃo buscou, à luz da teoria dos jogos, entender e caracterizar os incentivos propiciados pelo SISU atravÃs de dois mecanismos teÃricos desenvolvidos, o SISUα e o SISUβ. Ambos sÃo modelados como mecanismos de matching dinÃmicos. Caracterizamos estratÃgias nÃo dominadas para o SISUβ e o SISUα. Utilizando o SISUα como a melhor aproximaÃÃo disponÃvel para o SISU, concluÃmos que a introduÃÃo do SISU apresentou um importante avanÃo em relaÃÃo ao vestibular em termos de ganhos de eficiÃncia do matching entre alunos e cursos.
In Brazil, the quest for reducing observed inefficiencies in the allocation of seats in higher education institutions through traditional examination (Vestibular) led to the formulation and implementation of an alternative mechanism of selection: the Unified Selection System (SISU), created in 2010. Technically speaking, the mechanism is a matching algorithm with the following characteristics: i) each student who receives an offer decides to accept or reject the received offer; ii) rejections of offers prompt new proposals; iii) proposals are accepted temporarily, and each offer can be âreplacedâ by an offer considered âbetterâ. That is, the SISU is a mechanism similar to the Deferred Acceptance Algorithm (Gale-Shapley Algorithm). Despite the importance of SISU, the economic literature on the subject is basically nonexistent. In this sense, this dissertation sought, in light of game theory, to understand and characterize the incentives provided by SISU through two developed theoretical mechanisms, the SISUα and SISUβ. Both are modeled as dynamic matching mechanisms. We characterize undominated strategies for SISUβ and SISUα. Using SISUα as the best approximation available to SISU, we conclude that the introduction of SISU showed a significant improvement on Vestibular in terms of gains of efficiency from matching between students and courses.
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Abreu, Luís Carlos Martins. "Mecanismos de seleção de Gale-Shapley dinâmicos em Universidades Brasilieiras; SISU, SISU (Alpha) e SISU (beta)." reponame:Repositório Institucional da UFC, 2013. http://www.repositorio.ufc.br/handle/riufc/5453.

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In Brazil, the quest for reducing observed inefficiencies in the allocation of seats in higher education institutions through traditional examination (Vestibular) led to the formulation and alternative mechanism of selection: the Unified Selection System (SISU), created in 2010. Technically speaking, the mechanism is a matching algorithm with the following characteristics: i) each student who receives an offer decides to accept or reject the received offer; ii) rejections of offers prompt new proposals; iii) proposals are accepted temporarily, and each offer can be “replaced” by an offer considered “better”. That is, the SISU is a mechanism similar to the Deferred Acceptance Algorithm (Gale-Shapley Algorithm). Despite the importance of SISU, the economic literature on the subject is basically nonexistent. In this sense, this dissertation sought, in light of game theory, to understand and characterize the incentives provided by SISU through two developed theoretical mechanisms, the SISU and SISU . Both are modeled as dynamic matching mechanisms. We characterize undominated strategies for SISU and SISU . Using SISU as the best approximation available to SISU, we conclude that the introduction of SISU showed a significant improvement on Vestibular in terms of gains of efficiency from matching between students and courses.
No Brasil, a busca pela redução das ineficiências observadas na alocação de vagas em instituições de ensino superior via o tradicional vestibular levou à formulação e implantação de um mecanismo alternativo de seleção para admissão superior: o Sistema de Seleção Unificada (SISU), criado em 2010. O mecanismo, tecnicamente falando, é um algoritmo de matching com as seguintes características: i) cada estudante que recebe oferta de matrícula decide por aceitar ou rejeitar a oferta recebida; ii) rejeições de ofertas provocam a realização de novas propostas; e iii) propostas são aceitas temporariamente, podendo cada oferta aceita ser “trocada” por uma oferta considerada “melhor”. Ou seja, o SISU é um mecanismo semelhante ao Algoritmo Deferred Acceptance (Algoritmo Gale-Shapley) com os cursos propondo. Apesar da importância do SISU, a literatura econômica sobre o tema é basicamente inexistente. Nesse sentido, a presente dissertação buscou, à luz da teoria dos jogos, entender e caracterizar os incentivos propiciados pelo SISU através de dois mecanismos teóricos desenvolvidos, o SISU e o SISU . Ambos são modelados como mecanismos de matching dinâmicos. Caracterizamos estratégias não dominadas para o SISU e o SISU . Utilizando o SISU como a melhor aproximação disponível para o SISU, concluímos que a introdução do SISU apresentou um importante avanço em relação ao vestibular em termos de ganhos de eficiência do matching entre alunos e cursos.
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Tosun, Kursad. "QUALITATIVE AND QUANTITATIVE ANALYSIS OF STOCHASTIC MODELS IN MATHEMATICAL EPIDEMIOLOGY." OpenSIUC, 2013. https://opensiuc.lib.siu.edu/dissertations/732.

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We introduce random fluctuations on contact and recovery rates in three basic deterministic models in mathematical epidemiology and obtain stochastic counterparts. This paper addresses qualitative and quantitative analysis of stochastic SIS model with disease deaths and demographic effects, and stochastic SIR models with/without disease deaths and demographic effects. We prove the global existence of a unique strong solution and discuss stochastic asymptotic stability of disease free and endemic equilibria. We also investigate numerical properties of these models and prove the convergence of the Balanced Implicit Method approximation to the analytic solution. We simulate the models with fairly realistic parameters to visualize our conclusions.
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Goodness, Kelly R. "Retrospective Evaluation of Malingering: A Validational Study of the R-SIRS and CT-SIRS." Thesis, University of North Texas, 1999. https://digital.library.unt.edu/ark:/67531/metadc278240/.

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Empirically based methods of detecting retrospective malingering (i.e., the false assertion or exaggeration of physical or psychological symptoms reportedly experienced during a prior time period) are needed given that retrospective evaluations are commonplace in forensic assessments. This study's main objective was to develop and validate a focused, standardized measure of retrospective malingering. This objective was addressed by revising the Structured Interview of Reported Symptoms (SIRS), an established measure of current feigning. The SIRS' strategies were retained and its items modified to produce two new SIRS versions: The Retrospective Structured Interview of Reported Symptoms (R-SIRS) and The Concurrent-Time Structured Interview of Reported Symptoms (CT-SIRS). Forensic inpatients were used to test the R-SIRS (n = 25) and CT-SIRS (n = 26) which both showed good internal consistency and interrater reliability. The overall effectiveness of the R-SIRS and the CT-SIRS in the classification of malingerers and genuine patients was established in this initial validation study. Moreover, their classification rates were similar to those obtained by the SIRS. Pending additional validation, these measures are expected to increase the quality of forensic evaluations by providing the first standardized methods of assessing retrospective malingering.
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Al-Faidi, Al-Juhani Mohammed H. "Strategic Information Systems Planning (SISP) in the banking sector: An Investigation of Strategic Information Systems Planning (SISP) in the Saudi Banking Sector." Thesis, University of Bradford, 2011. http://hdl.handle.net/10454/17372.

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The improvement of SISP practices has rapidly become one of the most critical issues facing many organisations, including banks. Globally, the banking sectors, including the Saudi one, have developed and implemented many IS strategies. Several systems have been executed to support the countries’ economies which have benefited from the increased trading resulting from the greater flexibility in time and costs associated with banking transactions. To continue these achievements and to improve SISP processes, several factors require careful investigation based on their relationship to SISP success; which include SISP objectives, SISP internal factors, external consultant functions, SISP external factors, measurements of SISP success, key stakeholders’ roles, and triggers. Therefore this study investigates the impact of these factors on SISP success. Data were collected in three phases. Phase 1 was an initial study with one or two interviews with the IT directors of each bank in the Saudi banking sector comprising the central bank and 11 commercial banks. The outcomes informed the development of a survey that was used in Phase 2; to investigate a sample containing a central bank, a domestic commercial bank and a domestic-foreign commercial bank to determine their SISP processes. 157 completed questionnaires were returned from the bank executives, business and IT directors and consultants. In Phase 3, 57 interviews confirmed and explained the quantitative results from Phase 2. Therefore, an in-depth case study was made in the three banks during Phases 2 and 3. The research results support previous findings on the SISP’s seventeen objectives collected by several researchers across different industries and in various countries. Furthermore, the research condenses these seventeen objectives into five more practical and achievable objectives for the banking sector. These are: 1) planning and deployment of information systems; 2) leading organisation changes; 3) improving stakeholders’ involvement and communication; 4) achieving the strategic priorities; and 5) alignment of organisational policies and architecture for business and IS. In addition, the findings identify the factors according to their relationship with SISP success and therefore explore several elements with positive, negative or no impact on SISP success in the banking sector. The thesis presents conclusions and suggests areas for further research.
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Pita, Zijad, and zijad pita@rmit edu au. "Strategic Information Systems Planning (SISP) in Australia Assessment and Measurement." RMIT University. Business Information Technology, 2007. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20080514.162332.

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Strategic Information Systems Planning (SISP) is an important activity for helping Chief Information Executives (CIOs) and top management identify strategic applications and align Information Technology (IT) with business needs. Like all strategic planning, SISP requires measuring how well SISP is done and how planning is improving over time. The measurement of these intangibles is a complex exercise. There have been few efforts undertaken in the Information Systems (IS) literature to formally develop a model for assessing and measuring SISP efforts. In this study, two models were proposed: a five-stage SISP maturity model for defining SISP maturity and another one for assessing the degree of SISP maturity. The five SISP maturity levels were defined as: Rudimentary Planning, Ineffectual Planning, Attainable Planning, Sustainable Planning, and Adaptable Planning. The assessment model was structured as a third-order system, where eight first-order dimensions were termed as Form and Content, Collaboration, Policies, Stakeholders' Designation, Knowledge Bank, Technology, Time Dimension, and Viability. The first-order dimensions were grouped into three second-order constructs, namely Effectiveness, Efficiency and Manoeuvrability, which ultimately characterise the level of SISP success. This model was used to establish a theoretical benchmark for each SISP maturity level. To model the level of SISP maturity, an 'Integral Engineering' approach was established and the Analytic Network Process (ANP) theory was used. The study is a novel approach in using ANP to synthesize the measures of the various SISP constructs into a single overall measure of SISP maturity level. A survey was performed and data collected from 260 Australian organisations to examine the degree of SISP maturity and the relationships among SISP constructs. Structural equation modelling (SEM) was used to test the fit between the hypothesized model and the survey data The models were applied to the data collected and the findings suggested that the models fit the data well. While Effectiveness and Efficiency are well recognised planning constructs, Manoeuvrability as a measure of planning dynamics is not acknowledged in the literature as an equally important construct. This study confirmed a strong correlation between Manoeuvrability and SISP success and found it to be more important than the Efficiency construct. The empirical data did not confirm the existence of Rudimentary and Ineffectual planning levels of SISP maturity Australia-wide. SISP maturity in the majority of Australian organisations is at Sustainable and Attainable planning levels. A small percentage of the surveyed organisations have actually reached the highest planning level (Adaptable planning). The empirical data showed that current SISP is lacking strategic dimension and that the recently popularised one-year planning horizon may not be the best choice. Australian organisations did not consider the strategic relevance of IT as the key objective. IT/IS was seen as a business enabler, thus the strategic advan tage associated with IT came as a secondary objective.
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Vanni, Davide. "Modelli biomatematici differenziali e stocastici." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amslaurea.unibo.it/13641/.

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La previsione dei comportamenti delle malattie infettive e delle popolazioni di animali sono argomenti molto dibattuti e popolari al giorno d'oggi. Sempre più l'uomo tenta di salvaguardare specie animali in via di estinzione e prevedere e prevenire contagi sia umani che di bestiame. I modelli di biomatematica sono uno strumento essenziale per poter prevedere e quindi agire su questi fenomeni. Talvolta, però, i fenomeni naturali sfuggono dalle previsioni matematiche tradizionali, così, sempre più spesso i modelli differenziali vengono affiancati da modelli probabilistici. In questa tesi verranno messi a confronto modelli di biomatematica differenziali e stocastici (catene di Markov a tempo discreto - DTMC), si osserveranno differenze ed analogie tra i due modelli, i loro comportamenti e le loro previsioni mettendole a confronto con dati reali. In particolare si analizzeranno i modelli SIS e SIR a popolazione costante e si utilizzerà il modello SIR per modellizzare e far previsioni su due problemi reali: l'influenza in una scuola inglese e la peste ad Eyam del 1666. Osservando gli errori tra i modelli ed i dati reali si giungerà all'interessante risultato che le modellizzazioni stocastica e differenziale richiedono due parametrizzazioni differenti, secondo il criterio dell'errore quadratico. Si sono quindi introdotte le catene di Markov a tempo continuo ed il poco esplorato settore di modellizzazione tramite esse, specialmente per processi multivariati, e, adattando un teorema di probabilità, si è costruito un algoritmo per simularle tramite calcolatore. In particolare si sono trasposti in CTMC i modelli SIS e SIR e si sono introdotti due ulteriori modelli non realizzabili stocasticamente tramite DTMC: il modello Lotka-Volterra e il modello di "due popolazioni interagenti", evidenziando i loro comportamenti limite tramite simulazioni numeriche.
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Books on the topic "SISR"

1

Sitr. al-Dār al-Bayḍāʼ: al-Markaz al-Thaqāfī al-ʻArabī, 2005.

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Dua, R. Hamzah. Sisa. Kuala Lumpur: Dewan Bahasa dan Pustaka, 1996.

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Siḥr al-fiḍḍah-- sirr al-māʼ: Dirāsah anthrūbūlūjīyah li-ṭāʼifat al-Ṣābiʼah fī al-ʻIrāq. al-Qāhirah: al-Majlis al-Aʻlá lil-Thaqāfah, 2010.

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Wiwŏnhoe, Kunsan Sisa Pʻyŏnchʻan. Kunsan sisa. [Kunsan-si]: Kunsan-si, 1991.

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Wiwŏnhoe, Puchʻŏn Sisa Pʻyŏnchʻan. Puchʻŏn sisa. Kyŏnggi-do Puchʻon-si: Puchʻŏn Sisa Pʻyŏnchʻan Wiwŏnhoe, 2002.

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Sisa pip'yŏng. Sŏul T'ŭkpyŏlsi: Sigan ŭi Mulle, 2012.

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Hwang, Chŏng-dŏk. Chinhae sisa. Chinhae-si: Chinhae Hyangtʻo Munhwa Yŏnʼguso, 1987.

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Anladim: Siir. Istanbul: Sel Yayincilik, 2000.

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Wiwŏnhoe, Iri Sisa Pʻyŏnchʻan. Iri sisa. [Iri-si]: Iri Sisa Pʻyŏnchʻan Wiwŏnhoe, 1989.

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Wiwŏnhoe, Sŏngnam Sisa Pʻyŏnchʻan. Sŏngnam sisa. Kyŏnggi-do Sŏngnam-si: Sŏngnam Sisa Pʻyŏnchʻan Wiwŏnhoe, 2004.

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Book chapters on the topic "SISR"

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Rozenberg, Boris, Ehud Gudes, and Yuval Elovici. "SISR – A New Model for Epidemic Spreading of Electronic Threats." In Lecture Notes in Computer Science, 242–49. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-04474-8_20.

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Pillai, S. Devadas. "Sirs." In Sociology Through Literature, 97–103. New York : Routledge, 2019.: Routledge India, 2019. http://dx.doi.org/10.4324/9780429288050-8.

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Hincapié P., Doracelly, Juan Ospina G., Anthony Uyi Afuwape, and Ruben D. Gómez A. "Epidemic Thresholds in SIR and SIIR Models Applying an Algorithmic Method." In Lecture Notes in Computer Science, 119–30. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-89746-0_12.

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Seron, María M., Julio H. Braslavsky, and Graham C. Goodwin. "SISO Control." In Communications and Control Engineering, 47–84. London: Springer London, 1997. http://dx.doi.org/10.1007/978-1-4471-0965-5_3.

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Seron, María M., Julio H. Braslavsky, and Graham C. Goodwin. "SISO Filtering." In Communications and Control Engineering, 179–95. London: Springer London, 1997. http://dx.doi.org/10.1007/978-1-4471-0965-5_8.

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Filipp, Helmut, and Gerhard Löbell. "Ask-Sisy." In Computer, Software und Vernetzungen für die Lehre, 535–36. Berlin, Heidelberg: Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-642-84703-5_69.

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Füssle, Roswitha, and Andreas Sziegoleit. "Sepsis/SIRS." In Praxis der Infektiologie, 211–15. Berlin, Heidelberg: Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-56599-1_14.

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Tassier, Troy. "SIR." In SpringerBriefs in Public Health, 17–27. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-38120-1_3.

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Bjørnstad, Ottar N. "SIR." In Use R!, 9–30. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-97487-3_2.

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Papathanasiou, Jason, and Nikolaos Ploskas. "SIR." In Multiple Criteria Decision Aid, 91–107. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-91648-4_4.

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Conference papers on the topic "SISR"

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Kung, H. T., Chit-Kwan Lin, Tsung-Han Lin, and Dario Vlah. "Localization with snap-inducing shaped residuals (SISR)." In the 15th annual international conference. New York, New York, USA: ACM Press, 2009. http://dx.doi.org/10.1145/1614320.1614357.

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Li, Longteng, Chengwen Zhu, Xiaoyan Cai, Chi Zhang, and Chuizhen Zeng. "SISR based Hidden State Estimation of HMMs with transition density function." In 2nd International Conference on Computer Science and Electronics Engineering (ICCSEE 2013). Paris, France: Atlantis Press, 2013. http://dx.doi.org/10.2991/iccsee.2013.259.

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Thakulsukanant, Kornkamol, and Vorapoj Patanavijit. "A fast SISR technique founded on synthesize high-band frequency and an adaptive hampel stochastic function." In 2017 International Conference on Intelligent Informatics and Biomedical Sciences (ICIIBMS). IEEE, 2017. http://dx.doi.org/10.1109/iciibms.2017.8279729.

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Patanavijit, Vorapoj. "A simplex SISR utilizing upper-band spectrum prognosis with an alternative regularized Andrew's sine influence function." In 2017 International Electrical Engineering Congress (iEECON). IEEE, 2017. http://dx.doi.org/10.1109/ieecon.2017.8075868.

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Thakulsukanant, Kornkamol, and Vorapoj Patanavijit. "Tukey's Biweight constrain function for a surrogate image enlargement based on SISR algorithm using high spectrum estimation." In 2017 8th International Conference of Information and Communication Technology for Embedded Systems (IC-ICTES). IEEE, 2017. http://dx.doi.org/10.1109/ictemsys.2017.7958763.

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Ahmad, A., and Al-Balushi Jaber. "How to design an effective Serial Input Shift Register (SISR) for data compression process of Built-In Self-Test methodology." In 2009 4th International Design and Test Workshop (IDT). IEEE, 2009. http://dx.doi.org/10.1109/idt.2009.5404091.

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Yang, Fan, Hailong Yao, Qiang Zhou, and Yici Cai. "SIAR." In the 21st edition of the great lakes symposium. New York, New York, USA: ACM Press, 2011. http://dx.doi.org/10.1145/1973009.1973084.

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Doerner, Christian, Torben Wiedenhoefer, Mary-Ann Sprenger, and Volkmar Pipek. "SISO." In the ACM 2011 conference. New York, New York, USA: ACM Press, 2011. http://dx.doi.org/10.1145/1958824.1958913.

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Chen, Chen, Guoren Wang, Huilin Liu, Junchang Xin, and Ye Yuan. "SISP." In the 20th ACM international conference. New York, New York, USA: ACM Press, 2011. http://dx.doi.org/10.1145/2063576.2063645.

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Schloss, Hermann, Ingo Scholtes, and Peter Sturm. "SISC." In the 2007 workshop. New York, New York, USA: ACM Press, 2007. http://dx.doi.org/10.1145/1272457.1272464.

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Reports on the topic "SISR"

1

Baker, Stuart W. SIDR Relative Weighted Product (RWP) Assignment Process. Fort Belvoir, VA: Defense Technical Information Center, July 1992. http://dx.doi.org/10.21236/ada255801.

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Vodden, C. Sir William Logan wants you! Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1992. http://dx.doi.org/10.4095/301720.

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Ali, Alee Rizwan, and Brye Ann Steeves. Secure Information Services (WRS-SIS). Office of Scientific and Technical Information (OSTI), May 2020. http://dx.doi.org/10.2172/1631547.

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Garcia-Sanz, Mario, and Carlos Molins. Advanced Quantitative Robust Control Engineering: New Solutions for Automatic Loop-Shaping for SISO and MIMO Systems. Part 1: SISO Systems. Fort Belvoir, VA: Defense Technical Information Center, September 2009. http://dx.doi.org/10.21236/ada521387.

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Herrán-Páez, Estefanía, Atilio Bustos-González, Elena Corera-Álvarez, and Gerardo Tibaná-Herrera. SIR IBER 2018. SCImago Institutions Ranking. Chair Félix De-Moya-Anegón. Ediciones Profesionales de la Información SL, July 2018. http://dx.doi.org/10.3145/sir-iber-2018.

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Feldman, M. J. SIS (Superconductor-Insulator-Superconductor) Mixer Research. Fort Belvoir, VA: Defense Technical Information Center, February 1988. http://dx.doi.org/10.21236/ada192908.

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Wind, A. F., and K. P. Murnaghan. CV-580 SIR-C format definition. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2006. http://dx.doi.org/10.4095/327541.

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Bocko, Mark F. Phase Sensitive Amplification with SIS Mixers. Fort Belvoir, VA: Defense Technical Information Center, February 1990. http://dx.doi.org/10.21236/ada229031.

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Lichti, Roger. SISGR-MuSR Investigations of Magnetic Semiconductors for Spintronics Applications. Office of Scientific and Technical Information (OSTI), March 2014. http://dx.doi.org/10.2172/1148701.

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Castner, Jr., Edward W. SISGR: Physical chemistry of reaction dynamics in ionic liquids. Office of Scientific and Technical Information (OSTI), July 2018. http://dx.doi.org/10.2172/1461643.

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