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Articles 3271 - 3300 of 14367
Full-Text Articles in Social and Behavioral Sciences
Exploiting The Error Correction Mechanism In Qr Codes For Secret Sharing, Yang-Wai Chow, Willy Susilo, Guomin Yang, James Phillips, Ilung Pranata, Ari Moesriami Barmawi
Exploiting The Error Correction Mechanism In Qr Codes For Secret Sharing, Yang-Wai Chow, Willy Susilo, Guomin Yang, James Phillips, Ilung Pranata, Ari Moesriami Barmawi
Faculty of Engineering and Information Sciences - Papers: Part A
This paper investigates a novel approach to secret sharing using QR codes. The proposed QR code secret sharing approach exploits the error correction mechanism inherent in the QR code structure, to distribute and encode information about a secret message in a number of shares. Each share in the scheme is constructed from a cover QR code, and each share itself is a valid QR code which can be scanned and decoded by a QR code reader. The secret message can be recovered by combining the information contained in the QR code shares. Since each share is a valid QR code, …
Anonymous Identity-Based Broadcast Encryption With Revocation For File Sharing, Jianchang Lai, Yi Mu, Fuchun Guo, Willy Susilo, Rongmao Chen
Anonymous Identity-Based Broadcast Encryption With Revocation For File Sharing, Jianchang Lai, Yi Mu, Fuchun Guo, Willy Susilo, Rongmao Chen
Faculty of Engineering and Information Sciences - Papers: Part A
Traditionally, a ciphertext from an identity-based broadcast encryption can be distributed to a group of receivers whose identities are included in the ciphertext. Once the ciphertext has been created, it is not possible to remove any intended receivers from it without conducting decryption. In this paper, we consider an interesting question: how to remove target designated receivers from a ciphertext generated by an anonymous identity-based broadcast encryption? The solution to this question is found applicable to file sharing with revocation. In this work, we found an affirmative answer to this question. We construct an anonymous identity-based broadcast encryption, which offers …
Whose Body Is It? The Body As Physical Capital In A Techno-Society, Sharon Bradley-Munn, Katina Michael
Whose Body Is It? The Body As Physical Capital In A Techno-Society, Sharon Bradley-Munn, Katina Michael
Faculty of Engineering and Information Sciences - Papers: Part A
In today's postmodern Western world, there is a greater propensity toward consumerism. Mass-market production coupled with international trade means that you can buy just about anything made anywhere with the simple click of a mouse. Not only are we seeing the commoditization of things (i.e., material objects), but also businesses and industries are capitalizing on this consumerist mentality, studying individuals? buying habits to demographically target their market. This data mining is done through a multiplicity of ways, such as through technological monitors called sensors. Sensors capture humancentric data at discrete intervals, generating big data that draws out patterns. Behavior can …
The Impact Of Social Media Policy And Use On Value Creation: A Survey Research, Uuf Brajawidagda, Akemi T. Chatfield
The Impact Of Social Media Policy And Use On Value Creation: A Survey Research, Uuf Brajawidagda, Akemi T. Chatfield
Faculty of Engineering and Information Sciences - Papers: Part A
Organizations need to provide effective policies in aligning their social media use with organizational goals to realize the expected benefits of social media. However, while social media use has been studied, social media policy research is lacking. This study aims to examine impacts of social media policy and active use on value creation. Drawing on the Model of IT/Business Value, we assessed the interplay between social media policy and social media use on value creation in a survey research conducted with Indonesia's disaster management agencies. Our analysis results of 124 survey responses show that social media use and social media …
Two-Factor Data Security Protection Mechanism For Cloud Storage System, Joseph K. Liu, Kaitai Liang, Willy Susilo, Jianghua Liu, Yang Xiang
Two-Factor Data Security Protection Mechanism For Cloud Storage System, Joseph K. Liu, Kaitai Liang, Willy Susilo, Jianghua Liu, Yang Xiang
Faculty of Engineering and Information Sciences - Papers: Part A
In this paper, we propose a two-factor data security protection mechanism with factor revocability for cloud storage system. Our system allows a sender to send an encrypted message to a receiver through a cloud storage server. The sender only needs to know the identity of the receiver but no other information (such as its public key or its certificate). The receiver needs to possess two things in order to decrypt the ciphertext. The first thing is his/her secret key stored in the computer. The second thing is a unique personal security device which connects to the computer. It is impossible …
Optimal Design Of Fixture Layout In A Multi-Station Assembly Using Highly Optimized Tolerance Inspired Heuristic, Satish Tyagi, Nagesh Shukla, Sumant Kulkarni
Optimal Design Of Fixture Layout In A Multi-Station Assembly Using Highly Optimized Tolerance Inspired Heuristic, Satish Tyagi, Nagesh Shukla, Sumant Kulkarni
Faculty of Engineering and Information Sciences - Papers: Part A
The multi-station assembly (MSA) process requires auxiliary devices such as fixtures and clamps to accurately locate and firmly hold the workpiece in a desired position. Improper positioning of these fixtures and clamps affects the dimensional integrity of final product. This study determines the optimal design of fixture layout that minimizes the product dimensional variations caused by the manhandling and aging of auxiliaries. In order to model variation propagation from one assembly station to another in the MSA, a state space model is employed. Further, an E-optimality based sensitivity criterion is proposed to mathematically formulate and measure the quality of the …
A Process Of Prioritizing Topics For Health Technology Assessment In Kazakhstan, Lyazzat Kosherbayeva, David M. Hailey, Kural Kurakbaev, Adlet Tabarov, Ainur Kumar, Gulnara Gutzskaya, Elena Stepkina
A Process Of Prioritizing Topics For Health Technology Assessment In Kazakhstan, Lyazzat Kosherbayeva, David M. Hailey, Kural Kurakbaev, Adlet Tabarov, Ainur Kumar, Gulnara Gutzskaya, Elena Stepkina
Faculty of Engineering and Information Sciences - Papers: Part A
Objectives: The aim of this study was to develop criteria for the prioritization of topics for health technology assessment (HTA) in the healthcare system of Kazakhstan. Methods: Initial proposals for criteria were suggested through consultation with Ministry of Health (MoH) policy areas. These were refined through a workshop attended by HTA department staff, persons from medical universities and research institutes, and MoH policy makers. The workshop included discussion on methods used in international HTA practice. Opinions of participants on selection of criteria from those specified in a review of prioritization processes were used to define a list for inclusion in …
Hölder Regularity Of The Solution To The Complex Monge-Ampère Equation With L P Density, Luca Baracco, Tran Vu Khanh, Stefano Pinton, Giuseppe Zampieri
Hölder Regularity Of The Solution To The Complex Monge-Ampère Equation With L P Density, Luca Baracco, Tran Vu Khanh, Stefano Pinton, Giuseppe Zampieri
Faculty of Engineering and Information Sciences - Papers: Part A
On a smooth domain ⊂⊂ Cn,we consider the Dirichlet problem for the complex Monge-Ampère equation ((ddcu)n = f dV, u|b ≡ φ). We state the Hölder regularity of the solution u when the boundary value φ is Hölder continuous and the density f is only L p, p > 1. Note that in former literature (Guedj-Kolodziej-Zeriahi) the weakness of the assumption f ∈ L p was balanced by taking φ ∈ C1,1 (in addition to assuming strongly pseudoconvex).
Learning Path Adaptation In Online Learning Systems, Alva Hendi Muhammad, Qingguo Zhou, Ghassan Beydoun, Dongming Xu, Jun Shen
Learning Path Adaptation In Online Learning Systems, Alva Hendi Muhammad, Qingguo Zhou, Ghassan Beydoun, Dongming Xu, Jun Shen
Faculty of Engineering and Information Sciences - Papers: Part A
Learning path in online learning systems refers to a sequence of learning objects which are designated to help the students in improving their knowledge or skill in particular subjects or degree courses. In this paper, we review the recent research on learning path adaptation to pursue two goals, first is to organize and analyze the parameter of adaptation in learning path; the second is to discuss the challenges in implementing learning path adaptation. The survey covers the state of the art and aims at providing a comprehensive introduction to the learning path adaptation for researchers and practitioners.
Commentary On "The Influence Of Hospital-Based Hta On Technology Acquisition Decision", David M. Hailey
Commentary On "The Influence Of Hospital-Based Hta On Technology Acquisition Decision", David M. Hailey
Faculty of Engineering and Information Sciences - Papers: Part A
The article by Dupouy and Gagnon presents a case study on the structure and operation of an HB-HTA unit with reference to an assessment of a diagnostic technology. It gives interesting details on the organization of an HB-HTA program, and of the approaches that were taken in the assessment. It also notes the demands on a small unit and some limits to its activities. Semi-structured interviews were held with informants from three groups in the hospital. Excerpts from the interviews provide further insight. Projects of the HTA Unit are assisted by a stakeholders working group; information is included on its …
A Data-Driven Predictive Model For Residential Mobility In Australia - A Generalised Linear Mixed Model For Repeated Measured Binary Data, Mohammad-Reza Namazi-Rad, Payam Mokhtarian, Nagesh Shukla, Albert Munoz
A Data-Driven Predictive Model For Residential Mobility In Australia - A Generalised Linear Mixed Model For Repeated Measured Binary Data, Mohammad-Reza Namazi-Rad, Payam Mokhtarian, Nagesh Shukla, Albert Munoz
Faculty of Engineering and Information Sciences - Papers: Part A
Household relocation modelling is an integral part of the Government planning process as residential movements influence the demand for community facilities and services. This study will address the problem of modelling residential relocation choice by estimating a logit-link class model. The proposed model estimates the probability of an event which triggers household relocation. The attributes considered in this study are: requirement for bedrooms, employment status, income status, household characteristics, and tenure (i.e. duration living at the current location). Accurate prediction of household relocations for population units should rely on real world observations. In this study, a longitudinal survey data gathered …
Biaxial Creep Test Study On The Influence Of Structural Anisotropy On Rheological Behaviour Of Hard Rock, Chuangzhou Wu, Qingsheng Chen, Sudip Basack, Riqing Xu, Zhenming Shi
Biaxial Creep Test Study On The Influence Of Structural Anisotropy On Rheological Behaviour Of Hard Rock, Chuangzhou Wu, Qingsheng Chen, Sudip Basack, Riqing Xu, Zhenming Shi
Faculty of Engineering and Information Sciences - Papers: Part A
Rheological characteristics are one of most important properties needed to be considered for the designing and construction for the long term stability and serviceability of underground structures in the rock mass. Up to date, although extensive studies on the rheological properties of rocks are available in the literature, most of existing studies reported the strain-time data for the axial deformation through compression rheological method and did not mention the lateral deformation, and mainly focused on the soft rocks at shallow depth. Thus, very limited attention has been paid to the rheological properties of deep and hard rock, neglecting the effects …
Telehealth In Nephrology Care - Promises And Challenges, David M. Hailey
Telehealth In Nephrology Care - Promises And Challenges, David M. Hailey
Faculty of Engineering and Information Sciences - Papers: Part A
Telenephrology has been suggested as an approach to facilitate coordinated care between primary care providers and nephrologists for patients with chronic kidney disease (CKD). Telehealth, the delivery of health-related services and information at a distance by telecommunication technologies, has been relatively little used in nephrology. Technologies used in telehealth continue to expand and range from telephone consultation to various web-based applications. Telehealth offers potential benefits and efficiencies, but evidence of its effectiveness and economic impact is less extensive than might be expected. A recent overview noted limitations in the telehealth literature, including many short-term feasibility studies with few participants, failure …
An Expert Pi Controller With Dead Time Compensation Of Monitor Agc In Hot Strip Mill, Fei Zhang, Shengyue Zong, Xiang Wang, Xiaohuai Ren
An Expert Pi Controller With Dead Time Compensation Of Monitor Agc In Hot Strip Mill, Fei Zhang, Shengyue Zong, Xiang Wang, Xiaohuai Ren
Faculty of Engineering and Information Sciences - Papers: Part A
Hot strip rolling production is a high-speed process which requires high-speed control and communication system, but because of the long distance between the delivery stand of the finishing mill and the gauge meter, dead time occurs when strip is transported from the site of the actuator to another location where the gauge meter takes its reading, which seriously affects the thickness control effect. According to the process model which is developed based on the measured data, a filtered Smith predictor is applied to predict the thickness deviation of the finishing mill. At the same time, an expert PI controller based …
Dose Verification Of Eye Plaque Brachytherapy Using Spectroscopic Dosimetry, Talia Jarema, Dean L. Cutajar, Michael R. Weaver, Marco Petasecca, Michael L. F Lerch, Alannah Kejda, Anatoly B. Rosenfeld
Dose Verification Of Eye Plaque Brachytherapy Using Spectroscopic Dosimetry, Talia Jarema, Dean L. Cutajar, Michael R. Weaver, Marco Petasecca, Michael L. F Lerch, Alannah Kejda, Anatoly B. Rosenfeld
Faculty of Engineering and Information Sciences - Papers: Part A
Eye plaque brachytherapy has been developed and refined for the last 80 years, demonstrating effective results in the treatment of ocular malignancies. Current dosimetry techniques for eye plaque brachytherapy (such as TLD- and film-based techniques) are time consuming and cannot be used prior to treatment in a sterile environment. The measurement of the expected dose distribution within the eye, prior to insertion within the clinical setting, would be advantageous, as any errors in source loading will lead to an erroneous dose distribution and inferior treatment outcomes. This study investigated the use of spectroscopic dosimetry techniques for real-time quality assurance of …
Features Of A Self-Mixing Laser Diode Operating Near Relaxation Oscillation, Bin Liu, Yanguang Yu, Jiangtao Xi, Yuanlong Fan, Qinghua Guo, Jun Tong, R A. Lewis
Features Of A Self-Mixing Laser Diode Operating Near Relaxation Oscillation, Bin Liu, Yanguang Yu, Jiangtao Xi, Yuanlong Fan, Qinghua Guo, Jun Tong, R A. Lewis
Faculty of Engineering and Information Sciences - Papers: Part A
When a fraction of the light reflected by an external cavity re-enters the laser cavity, both the amplitude and the frequency of the lasing field can be modulated. This phenomenon is called the self-mixing effect (SME). A self-mixing laser diode (SM-LD) is a sensor using the SME. Usually, such LDs operate below the stability boundary where no relaxation oscillation happens. The boundary is determined by the operation condition including the injection current, optical feedback strength and external cavity length. This paper discovers the features of an SM-LD where the LD operates beyond the stability boundary, that is, near the relaxation …
Improved Performance Of Ballasted Rail Track Using Geosynthetics And Rubber Shockmat, Sanjay Nimbalkar, Buddhima Indraratna
Improved Performance Of Ballasted Rail Track Using Geosynthetics And Rubber Shockmat, Sanjay Nimbalkar, Buddhima Indraratna
Faculty of Engineering and Information Sciences - Papers: Part A
Large repetitive wheel loads from heavy haul and passenger trains can cause significant track deformation that leads to poor track geometry and safety issues. The inclusion of geosynthetics and rubber mats (i.e., shockmat) in critical sections in the track for reducing these adverse effects was further examined through an extensive field trial in the town of Singleton, New South Wales (NSW), Australia. Four types of geosynthetics and a shockmat were installed below the ballast layer in selected sections of track constructed on three different subgrades (soft alluvial clay, hard rock, and concrete bridge), and the performance of the instrumented track …
Joint Pet-Mr Respiratory Motion Models For Clinical Pet Motion Correction, Richard Manber, Kris Thielemans, Brian F. Hutton, Simon Wan, Jamie Mcclelland, Anna Barnes, Simon R. Arridge, Sebastien Ourselin, David Atkinson
Joint Pet-Mr Respiratory Motion Models For Clinical Pet Motion Correction, Richard Manber, Kris Thielemans, Brian F. Hutton, Simon Wan, Jamie Mcclelland, Anna Barnes, Simon R. Arridge, Sebastien Ourselin, David Atkinson
Faculty of Engineering and Information Sciences - Papers: Part A
Patient motion due to respiration can lead to artefacts and blurring in positron emission tomography (PET) images, in addition to quantification errors. The integration of PET with magnetic resonance (MR) imaging in PET-MR scanners provides complementary clinical information, and allows the use of high spatial resolution and high contrast MR images to monitor and correct motion-corrupted PET data. In this paper we build on previous work to form a methodology for respiratory motion correction of PET data, and show it can improve PET image quality whilst having minimal impact on clinical PET-MR protocols. We introduce a joint PET-MR motion model, …
Mri Geometric Distortion: Impact On Tangential Whole-Breast Imrt, Amy Walker, Peter E. Metcalfe, Gary P. Liney, Vikneswary Batumalai, Kylie L. Dundas, Carri Glide-Hurst, Geoff P. Delaney, Miriam M. Boxer, Mei Ling Yap, Jason Dowling, David Rivest-Henault, Elise M. Pogson, Lois C. Holloway
Mri Geometric Distortion: Impact On Tangential Whole-Breast Imrt, Amy Walker, Peter E. Metcalfe, Gary P. Liney, Vikneswary Batumalai, Kylie L. Dundas, Carri Glide-Hurst, Geoff P. Delaney, Miriam M. Boxer, Mei Ling Yap, Jason Dowling, David Rivest-Henault, Elise M. Pogson, Lois C. Holloway
Faculty of Engineering and Information Sciences - Papers: Part A
The purpose of this study was to determine the impact of magnetic resonance imaging (MRI) geometric distortions when using MRI for target delineation and planning for whole-breast, intensity-modulated radiotherapy (IMRT). Residual system distortions and combined systematic and patient-induced distortions are considered. This retrospective study investigated 18 patients who underwent whole-breast external beam radiotherapy, where both CT and MRIs were acquired for treatment planning. Distortion phantoms were imaged on two MRI systems, dedicated to radiotherapy planning (a wide, closed-bore 3T and an open-bore 1T). Patient scans were acquired on the 3T system. To simulate MRI-based planning, distortion maps representing residual system …
Experimental Study On Frp Tube Reinforced Concrete Columns Under Different Loading Conditions, Weiqiang Wang, M Neaz Sheikh, Muhammad N. S Hadi
Experimental Study On Frp Tube Reinforced Concrete Columns Under Different Loading Conditions, Weiqiang Wang, M Neaz Sheikh, Muhammad N. S Hadi
Faculty of Engineering and Information Sciences - Papers: Part A
The behavior of fiber-reinforced polymer (FRP) tube reinforced concrete (FTRC) columns under different loading conditions was investigated in this study. Four groups of 16 specimens were cast and tested. Specimens in the first group (the reference group) were re- inforced with longitudinal steel bars and steel helices (Group REF). Specimens in the second group were reinforced with intact glass FRP tubes (Group IT). Specimens in the third group were also reinforced with intact glass FRP tubes. In addition, polymer grid was embedded into the concrete cover to reduce the cover spalling (Group ITG). Specimens in the fourth group were reinforced …
Integration Of Plug-In Electric Vehicles Into Microgrids As Energy And Reactive Power Providers In Market Environment, Abdorreza Rabiee, Hassan Feshki Farahani, Mohammad Khalili, Jamshid Aghaei, Kashem M. Muttaqi
Integration Of Plug-In Electric Vehicles Into Microgrids As Energy And Reactive Power Providers In Market Environment, Abdorreza Rabiee, Hassan Feshki Farahani, Mohammad Khalili, Jamshid Aghaei, Kashem M. Muttaqi
Faculty of Engineering and Information Sciences - Papers: Part A
The concept of electricity markets in the deregulated environment generally refers to energy market and reactive power market is not paid attention as much as it deserves to. However, reactive power plays an important role in distribution networks to improve network conditions such as voltage profile improvement and loss reduction. Plug-in electric vehicles (PEVs) are mobile sources of active and reactive power, capable of being participated in energy market, and also in reactive power market without battery degradation. Active and reactive powers are coupled through the ac power flow equations and branch loading limits, as well as PEVs and synchronous …
Persuasive Technology In Mobile Applications Promoting Physical Activity: A Systematic Review, John Matthews, Khin Than Win, Harri Oinas-Kukkonen, Mark Freeman
Persuasive Technology In Mobile Applications Promoting Physical Activity: A Systematic Review, John Matthews, Khin Than Win, Harri Oinas-Kukkonen, Mark Freeman
Faculty of Engineering and Information Sciences - Papers: Part A
Persuasive technology in mobile applications can be used to influence the behaviour of users. A framework known as the Persuasive Systems Design model has been developed for designing and evaluating systems that influence the attitudes or behaviours of users. This paper reviews the current state of mobile applications for health behavioural change with an emphasis on applications that promote physical activity. The inbuilt persuasive features of mobile applications were evaluated using the Persuasive Systems Design model. A database search was conducted to identify relevant articles. Articles were then reviewed using the Persuasive Systems Design model as a framework for analysis. …
Learning A Pose Lexicon For Semantic Action Recognition, Lijuan Zhou, Wanqing Li, Philip O. Ogunbona
Learning A Pose Lexicon For Semantic Action Recognition, Lijuan Zhou, Wanqing Li, Philip O. Ogunbona
Faculty of Engineering and Information Sciences - Papers: Part A
This paper presents a novel method for learning a pose lexicon comprising semantic poses defined by textual instructions and their associated visual poses defined by visual features. The proposed method simultaneously takes two input streams, semantic poses and visual pose candidates, and statistically learns a mapping between them to construct the lexicon. With the learned lexicon, action recognition can be cast as the problem of finding the maximum translation probability of a sequence of semantic poses given a stream of visual pose candidates. Experiments evaluating pre-trained and zero-shot action recognition conducted on MSRC-12 gesture and WorkoutSu-10 exercise datasets were used …
Exploring Structure And Role Of Engineering Asset Management System In Production Organizations, Khaled O. El-Akruti, Richard Dwight, Tieling Zhang
Exploring Structure And Role Of Engineering Asset Management System In Production Organizations, Khaled O. El-Akruti, Richard Dwight, Tieling Zhang
Faculty of Engineering and Information Sciences - Papers: Part A
Little has been done in literature on the structure of Engineering Asset Management System (EAMS) and its relationship to production and organizational strategy. In this paper, the position of an EAMS within an organizational structure and its strategic role within a production organizations strategy has been explored. It is argued that the structure and mechanism of EAMS play a key role in directing the production process and linking to the organizational strategy: the absence or inadequacies of asset-related activities cause insufficient production performance that negatively impacts the strategic achievement. Production Actions are mapped with reference to the activities of the …
Simultaneous Grain Growth And Grain Refinement In Bulk Ultrafine-Grained Copper Under Tensile Deformation At Room Temperature, Hai Liang Yu, Cheng Lu, Anh Kiet Tieu, Hui Jun Li, Ajit R. Godbole, Charlie Kong, Xing Zhao
Simultaneous Grain Growth And Grain Refinement In Bulk Ultrafine-Grained Copper Under Tensile Deformation At Room Temperature, Hai Liang Yu, Cheng Lu, Anh Kiet Tieu, Hui Jun Li, Ajit R. Godbole, Charlie Kong, Xing Zhao
Faculty of Engineering and Information Sciences - Papers: Part A
Grain growth and grain refinement behavior during deformation determine the strength and ductility of ultrafine-grained materials. We used asymmetric cryorolling to fabricate ultrafine-grained copper sheets with an average grain width of 230 nm and having a laminate structure. The sheets show a high-true failure strain of 1.5. Observation of the microstructure at the fracture surface reveals that ultrafine laminate-structured grains were simultaneously transformed into both equiaxed nanograins and coarse grains under tensile deformation at room temperature.
Experimental And Numerical Study On The Effect Of Zddp Films On Sticking During Hot Rolling Of Ferritic Stainless Steel Strip, Liang Hao, Zhengyi Jiang, Dongbin Wei, Dianyao Gong, Xiawei Cheng, Jingwei Zhao, Suzhen Luo, Laizhu Jiang
Experimental And Numerical Study On The Effect Of Zddp Films On Sticking During Hot Rolling Of Ferritic Stainless Steel Strip, Liang Hao, Zhengyi Jiang, Dongbin Wei, Dianyao Gong, Xiawei Cheng, Jingwei Zhao, Suzhen Luo, Laizhu Jiang
Faculty of Engineering and Information Sciences - Papers: Part A
The aim of this study is to investigate the effect of zinc dialkyl dithio phosphate (ZDDP) films on sticking during hot rolling of a ferritic stainless steel strip. The surface characterization and crack propagation of the oxide scale are very important for understanding the mechanism of the sticking. The high-temperature oxidation of one typical ferritic stainless was conducted at 1373 K (1100 °C) for understanding its microstructure and surface morphology. Hot-rolling tests of a ferritic stainless steel strip show that no obvious cracks among the oxide scale were observed with the application of ZDDP. A finite element method model was …
Effects Of Hydraulic Pressure On Wrinkling And Earing In Micro Hydro Deep Drawing Of Sus304 Circular Cups, Liang Luo, Dongbin Wei, Xiaogang Wang, Cunlong Zhou, Qingxue Huang, Jianzhong Xu, Di Wu, Zhengyi Jiang
Effects Of Hydraulic Pressure On Wrinkling And Earing In Micro Hydro Deep Drawing Of Sus304 Circular Cups, Liang Luo, Dongbin Wei, Xiaogang Wang, Cunlong Zhou, Qingxue Huang, Jianzhong Xu, Di Wu, Zhengyi Jiang
Faculty of Engineering and Information Sciences - Papers: Part A
Influences of hydraulic pressure on forming features in micro hydro deep drawing are different from those in normal drawing due to the small size of specimens. In this study, micro hydro deep drawing of SUS304 sheets was carried out in order to study the impacts of the hydraulic pressure on the quality of the drawn cup. Experimental results indicate that there is a critical hydraulic pressure range from 3 to 6 % of the blank's initial yield stress, where wrinkling and earing development trends change twice. The wrinkling and the earing of the drawn cup also reach their local extremes …
Correlation Between Zn-Rich Phase And Corrosion/Oxidation Behavior Of Sn-8zn-3bi Alloy, Xin Zhang, Chong Li, Zhiming Gao, Yongchang Liu, Zongqing Ma, Liming Yu, Hui Jun Li
Correlation Between Zn-Rich Phase And Corrosion/Oxidation Behavior Of Sn-8zn-3bi Alloy, Xin Zhang, Chong Li, Zhiming Gao, Yongchang Liu, Zongqing Ma, Liming Yu, Hui Jun Li
Faculty of Engineering and Information Sciences - Papers: Part A
The microstructure of Sn-8Zn-3Bi alloy was refined by increasing the solidification rate and the correlation between Zn-rich phase and the corrosion/oxidation behavior of the alloy was investigated. The Zn-rich phase transforms from coarse flakes to fine needles dispersed in the β-Sn matrix with the increase of the cooling rate. The transformation of Zn-rich precipitates enhances the anticorrosive ability of Sn-8Zn-3Bi alloy in 3.5 wt.% NaCl solution. On the contrary, Sn-8Zn-3Bi alloy with a fine needle-like Zn-rich phase shows poor oxidation resistance under air atmosphere, due to the fast diffusion of Zn atoms in Sn matrix.
The Social Phenomenon Of Body-Modifying In A World Of Technological Change: Past, Present, Future, Sharon Bradley-Munn, Katina Michael, M G. Michael
The Social Phenomenon Of Body-Modifying In A World Of Technological Change: Past, Present, Future, Sharon Bradley-Munn, Katina Michael, M G. Michael
Faculty of Engineering and Information Sciences - Papers: Part A
The current level of uncritical adoption in bodymodifying devices, and the propensity for remaking the human body through the aid of technology, is moving society closer to a human-machine fusion. We are at the brink of postmodernity in all its fullness. This paper speculates on the pros and cons of such a reality and insists on the right of the individual to be able to self-govern his/her own body, maintaining the right to choose. How individual choice is limited is also discussed, as industry innovation cycles get faster, and the need for continuous disruption means that the consumer is often …
Action Recognition Based On Joint Trajectory Maps Using Convolutional Neural Networks, Pichao Wang, Zhaoyang Li, Yonghong Hou, Wanqing Li
Action Recognition Based On Joint Trajectory Maps Using Convolutional Neural Networks, Pichao Wang, Zhaoyang Li, Yonghong Hou, Wanqing Li
Faculty of Engineering and Information Sciences - Papers: Part A
Recently, Convolutional Neural Networks (ConvNets) have shown promising performances in many computer vision tasks, especially image-based recognition. How to effectively use ConvNets for video-based recognition is still an open problem. In this paper, we propose a compact, effective yet simple method to encode spatiotemporal information carried in 3D skeleton sequences into multiple 2D images, referred to as Joint Trajectory Maps (JTM), and ConvNets are adopted to exploit the discriminative features for realtime human action recognition. The proposed method has been evaluated on three public benchmarks, i.e., MSRC-12 Kinect gesture dataset (MSRC-12), G3D dataset and UTD multimodal human action dataset (UTD-MHAD) …