A model for the conservation of interactive electroacoustic repertoire: analysis, reconstruction, and performance in the face of technological obsolescence

2006 ◽  
Vol 11 (3) ◽  
pp. 273-284 ◽  
Author(s):  
DAVID BROOKE WETZEL
Keyword(s):  
Test Case ◽  
Test Cases ◽  
Interactive Electronics ◽  
Second Stage ◽  
Third Stage ◽  
Specific Device ◽  
The Face ◽  
Available Technology ◽  
And Performance ◽  
Stage Analysis

This paper presents a three-stage model (analysis, reconstruction and performance) for the conservation of interactive electroacoustic works for which the original technology is now obsolete or otherwise unavailable. The first stage, analysis, is a detailed documentation of the electronic processes and effects required for each work in a format that is independent of any specific device or system. The analysis provides a blueprint for future realisations using available technology. The second stage, reconstruction, provides a working performance resource, as well as a test case for the validity of the analysis. Reconstructed systems are then tested and refined through the third stage, performance. With repeated performances, compositions gain wider exposure and may be evaluated by listeners on their musical merits. To date, the author has analysed, reconstructed and performed several works for clarinet and interactive electronics. Each performance has informed the continued development of the newly reconstructed system, and has in some cases led to corrections to the underlying analysis. As a classically trained clarinettist and computer musician, the author's approach to the conservation of electroacoustic repertoire comes from a desire to find performable works and to keep them viable and accessible for as long as possible. Four works for clarinet and interactive electronics (by Musgrave, Pennycook, Kramer, and Lippe) are presented as test cases for this model.

Discrimination and Delegation

2021 ◽  
Author(s):  
Lamis Elmy Abdelaaty
Keyword(s):  
Statistical Analysis ◽  
Refugee Camps ◽  
Second Stage ◽  
The Third ◽  
Third Stage ◽  
The World ◽  
The Face ◽  
Successive Step ◽  
Multi Level ◽  
State Responses

What explains state responses to the refugees they receive? This book identifies two puzzling patterns: states open their borders to some refugee groups while blocking others (discrimination), and a number of countries have given the United Nations (UN) control of asylum procedures and refugee camps on their territory (delegation). To explain this selective exercise of sovereignty, the book develops a two-part theoretical framework in which policymakers in refugee-receiving countries weigh international and domestic concerns. Internationally, leaders use refugees to reassure allies and exert pressure on rivals. Domestically, policymakers have incentives to favor those refugee groups with whom they share an ethnic identity. When these international and domestic incentives conflict, shifting responsibility to the UN allows policymakers to placate both refugee-sending countries and domestic constituencies. The book then carries out a “three-stage, multi-level” research design in which each successive step corroborates and elaborates the findings of the preceding stage. The first stage involves statistical analysis of asylum admissions worldwide. The second stage presents two country case studies: Egypt (a country that is broadly representative of most refugee recipients) and Turkey (an outlier that has limited the geographic application of the Refugee Convention). The third stage zooms in on sub- or within-country dynamics in Kenya (home to one of the largest refugee populations in the world) through content analysis of parliamentary proceedings. Studying state responses to refugees is instructive because it can help explain why states sometimes assert, and at other times cede, their sovereignty in the face of refugee rights.

scholarly journals Facial expression recognition using three-stage support vector machines

2019 ◽  
Vol 2 (1) ◽  
Author(s):  
Issam Dagher ◽  
Elio Dahdah ◽  
Morshed Al Shakik
Keyword(s):  
Facial Expression ◽  
Facial Expression Recognition ◽  
Support Vector ◽  
Expression Recognition ◽  
Second Stage ◽  
Vector Machines ◽  
Third Stage ◽  
The Face ◽  
Leave One Out ◽  
Gradient Feature

AbstractHerein, a three-stage support vector machine (SVM) for facial expression recognition is proposed. The first stage comprises 21 SVMs, which are all the binary combinations of seven expressions. If one expression is dominant, then the first stage will suffice; if two are dominant, then the second stage is used; and, if three are dominant, the third stage is used. These multilevel stages help reduce the possibility of experiencing an error as much as possible. Different image preprocessing stages are used to ensure that the features attained from the face detected have a meaningful and proper contribution to the classification stage. Facial expressions are created as a result of muscle movements on the face. These subtle movements are detected by the histogram-oriented gradient feature, because it is sensitive to the shapes of objects. The features attained are then used to train the three-stage SVM. Two different validation methods were used: the leave-one-out and K-fold tests. Experimental results on three databases (Japanese Female Facial Expression, Extended Cohn-Kanade Dataset, and Radboud Faces Database) show that the proposed system is competitive and has better performance compared with other works.

scholarly journals NOSE RECONSTRUCTION AFTER TRAUMATIC AMPUTATION

2019 ◽  
Vol 2 (2) ◽  
Author(s):  
Mihaela Cristina Andrei ◽  
Khalid Al-Falah ◽  
Razvan Nicolae Teodoreanu ◽  
Nicoleta Ferariu
Keyword(s):  
Nasal Reconstruction ◽  
Reconstruction Technique ◽  
Traumatic Amputation ◽  
Strut Graft ◽  
Second Stage ◽  
Paramedian Forehead Flap ◽  
Third Stage ◽  
The Face ◽  
Stage Division ◽  
The Aesthetic

Nasal amputation is a disabling aesthetical and functional deformity, which raised the need for nasal reconstruction. It is very important to use a well-established plastic reconstruction technique because of its importance in the aesthetic of the face. Every structure is important and all the missing layers of the nose must be reconstructed. In our case a three-stage procedure was done. First stage: Reconstruction of the cover using a paramedian forehead flap, harvesting a strut graft to recreate a columella to support the height of the nasal tip. Second stage: Re-elevation of the flap, thinning of the layers, and reconstruction of the framework. Third stage: Division of the pedicle. This type of nasal reconstruction had both good and stable results aesthetically and functionally.

A Lean-Kaizen Implementation

2021 ◽  
pp. 182-195
Author(s):  
Pedro Silva ◽  
Alexandra Braga ◽  
Sara Mota ◽  
Miguel Soares ◽  
Marisa R. Ferreira
Keyword(s):  
Sustainable Development ◽  
Food Retail ◽  
Second Stage ◽  
Third Stage ◽  
The World ◽  
The Face ◽  
New Methodologies ◽  
Will Force ◽  
The Impact

Sustainable development is one of the greatest challenges facing our generation and the next, and achieving this goal will force society to continuously challenge and overcome itself. In order to attain the required sustainable objectives, many companies are investing in new methodologies, such as the Kaizen-Lean methodology. This chapter focuses on a case study in the food retail industry, a strategic and one of the largest and oldest industries in the world able to thrive even in the face of substantial adversity. The authors systematized the case study in three different stages via an action-research intervention. In a first stage, they identified the most sensitive areas, which enabled them to detect and target the intervention. In a second stage, they implemented and monitored several actions supported by the Kaizen/Lean methodologies. In a third stage, a survey was applied to workers whose work areas had changed in order to analyze and assess the impact of the implemented measures.

scholarly journals The Problem of the Absent I

2020 ◽  
Vol 42 (1) ◽  
pp. 1-30
Author(s):  
Giovan Battista D’Alessio
Keyword(s):  
Theoretical Explanation ◽  
Stage I ◽  
Communication Process ◽  
Comparative Approach ◽  
Ancient Greek ◽  
Second Stage ◽  
Third Stage ◽  
And Performance ◽  
Fundamental Tension ◽  
Communicative Context

Abstract One of the greatest paradoxes of ancient Greek lyric poetry is its fundamental tension between the vivid evocation of a performance communicative context and the capability of the text to transcend the context itself. A key aspect of this is the way in which language can exploit both poles of this tension: the presentness of the performance and the transcendence of the text. This is a source of crucial interpretative problems, as well as of complex expressive potentialities. The focus of this paper is to examine some of the ways in which the shift of the use of first person indexicals serves the dialogue between text and performance, proceeding through three stages. In the first place I briefly analyze some different genres of discourse (drama, epistle, lyric) that in Archaic and Classical Greek display a complex use of indexicality calling attention to the ‘mediated’ nature of the communication process (§ 2). In the second stage I revise some examples of ‘mediated’ indexicality in Greek lyric in general (§ 3) and in Pindaric poetry in particular (§ 4). In the third stage I locate these cases within a wider comparative approach, exploring a suitable theoretical explanation of this important feature (§ 5).

Effects of Multiblocking and Axial Gap Distance on Performance of Partial Admission Turbines: A Numerical Analysis

2011 ◽  
Vol 133 (3) ◽  
Author(s):  
Narmin Baagherzadeh Hushmandi ◽  
Torsten H. Fransson
Keyword(s):  
Rotor Blades ◽  
Test Case ◽  
Two Stage ◽  
Second Stage ◽  
Partial Admission ◽  
Flow Interactions ◽  
Single Arc ◽  
And Performance ◽  
Stage Efficiency ◽  
Better Than

In this paper, the effects of axial gap distance between the first stage stator and rotor blades and multiblocking on aerodynamics and performance of partial admission turbines are analyzed numerically. The selected test case is a two stage axial steam turbine with low reaction blades operating with compressed air. The multiblocking effect is studied by blocking the inlet annulus of the turbine in a single arc and in two opposing blocked arcs, each having the same admission degree. The effect of axial gap distance between the first stage stator and rotor blades is studied while varying the axial gap by 20% compared with the design gap distance. Finally, full admission turbine is modeled numerically for comparison. Performance of various computational cases showed that the first stage efficiency of the two stage partial admission turbine with double blockage was better than that of the single blockage turbine; however, the extra mixing losses of the double blockage turbine caused the efficiency to deteriorate in the downstream stage. It was shown that the two stage partial admission turbine with smaller axial gap than the design value had better efficiency of the first stage due to lower main flow and leakage flow interactions; however, the efficiency at the second stage decreased faster compared with the other cases. Numerical computations showed that the parameters, which increased the axial force of the first stage rotor wheel for the partial admission turbine, were longer blocked arc, single blocked arc, and reduced axial gap distance between the first stage stator and rotor blades.

scholarly journals PERBANDINGAN KEMAMPUAN REGRESSION TESTING TOOL PADA REGRESSION TEST SELECTION: STARTS DAN EKSTAZI

2021 ◽  
Vol 7 (1) ◽  
pp. 59
Author(s):  
Asri Maspupah ◽  
Akhmad Bakhrun
Keyword(s):  
Regression Testing ◽  
Test Case ◽  
Test Cases ◽  
Test Selection ◽  
Test Case Selection ◽  
Advantages And Disadvantages ◽  
Regression Test Selection ◽  
Case Selection ◽  
Regression Test ◽  
And Performance

Regression testing as an essential activity in software development that has changed requirements. In practice, regression testing requires a lot of time so that an optimal strategy is needed. One approach that can be used to speed up execution time is the Regression Test Selection (RTS) approach. Currently, practitioners and academics have started to think about developing tools to optimize the process of implementing regression testing. Among them, STARTS and Ekstazi are the most popular regression testing tools among academics in running test case selection algorithms. This article discusses the comparison of the capabilities of the STARTS and Ekstazi features by using feature parameter evaluation. Both tools were tested with the same input data in the form of System Under Test (SUT) and test cases. The parameters used in the tool comparisons are platform technology, test case selection, functionality, usability and performance efficiency, the advantages, and disadvantages of the tool. he results of the trial show the differences and similarities between the features of STARTS and Ekstazi, so that it can be used by practitioners to take advantage of tools in the implementation of regression testing that suit their needs. In addition, experimental results show that the use of Ekstazi is more precise in sorting out important test cases and is more efficient, when compared to STARTS and regression testing with retest all.

scholarly journals Dealing With The Challenge Of Generating Employment In South Africa: Does Banking Sector Efficiency Matter?

2013 ◽  
Vol 12 (11) ◽  
pp. 1361
Author(s):  
Andrew Maredza ◽  
Sylvanus Ikhide
Keyword(s):  
South Africa ◽  
Banking Sector ◽  
High Efficiency ◽  
Growth Path ◽  
Bank Efficiency ◽  
Second Stage ◽  
Efficiency Measures ◽  
Available Technology ◽  
Stage Analysis ◽  
Big Four

In this paper, the authors seek to investigate the nexus between banking sector efficiency and labour employment in South Africa. The Hicks-Moorsteen aggregator functions were used to generate total factor productivity (TFP) efficiency measures for the big-four commercial banks. The authors then used the pooled estimation technique to examine the link between banking sector TFP efficiency and employment. First stage results revealed that the average banking sector TFP efficiency was 68 percent implying that the observed TFP was 32 percent short of the maximum TFP possible using the available technology. Hence, the banking sector has the potential to augment productivity by 32 percent without the need for further input utilisation if they were to operate efficiently. Of paramount importance in the second stage analysis was that the authors found a positive and significant association between banking sector efficiency and national employment, meaning that national employment is influenced, inter alia, by the efficiency with which banks operate. This finding highlights how the enhancement of bank efficiency translates into increased employment in the economy. The authors therefore underscore the need for the banking sector to maintain high efficiency in order to augment efforts to achieve the objectives of the New Growth Path aimed at creating five million jobs in South Africa by 2020. They also advocate for banking sector policies and incentives that are directed at enhancing the efficiency of the banking sector.

scholarly journals Switching 300 MW Power-Generating Units with Gas-and-Oil-Fired Boilers to Increased Load Mode

2021 ◽  
Vol 7 (1) ◽  
pp. 32-37
Author(s):  
Stepan Mysak ◽  
◽  
Marta Kuznetsova ◽  
Marta Martynyak-Andrushko
Keyword(s):  
Low Cost ◽  
Auxiliary Equipment ◽  
Load Range ◽  
Second Stage ◽  
Operation Conditions ◽  
Third Stage ◽  
Load Mode ◽  
And Performance ◽  
Generating Equipment ◽  
Technical Solutions

The goal of the research is to develop the guidelines for increasing the capacity of the operating 300 MW power-generating units by using the allowances assumed at the design computations and manufacture of the power-generating equipment, while preserving its reliability criteria and performance efficiency. The capacity of the operating power-generating units is increased in three stages. During the first stage, the technical state and operation conditions are established, measures aimed at increasing the capacity and increased load capabilities and reasons that may restrict them, as well as modernization and reconditioning measures are determined. The second stage includes developing technical solutions and reconstruction measures to increase the transfer capacity of the systems. At the third stage, the study and testing of the power-generating units’ equipment in the wide load range, including overload modes, are carried out with assessing and comparing the reliability criteria and efficiency indices. Technical measures intended to upgrade and modernize the equipment are low-cost. Most of them consist in ensuring the normal operating state of the existing main and auxiliary equipment of the power generating units.

scholarly journals Automated Specification-Based Testing of REST APIs

Sensors ◽  
2021 ◽  
Vol 21 (16) ◽  
pp. 5375
Author(s):  
Ovidiu Baniaș ◽  
Diana Florea ◽  
Robert Gyalai ◽  
Daniel-Ioan Curiac
Keyword(s):  
Web Applications ◽  
User Interaction ◽  
Automatic Generation ◽  
Test Case ◽  
Test Cases ◽  
Generation Process ◽  
Coverage Metrics ◽  
Representational State Transfer ◽  
Wide Range ◽  
And Performance

Nowadays, REpresentational State Transfer Application Programming Interfaces (REST APIs) are widely used in web applications, hence a plethora of test cases are developed to validate the APIs calls. We propose a solution that automates the generation of test cases for REST APIs based on their specifications. In our approach, apart from the automatic generation of test cases, we provide an option for the user to influence the test case generation process. By adding user interaction, we aim to augment the automatic generation of APIs test cases with human testing expertise and specific context. We use the latest version of OpenAPI 3.x and a wide range of coverage metrics to analyze the functionality and performance of the generated test cases, and non-functional metrics to analyze the performance of the APIs. The experiments proved the effectiveness and practicability of our method.

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