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S0140366415002467 | A promising development in the design of datacenters is the hybrid network architecture consisting of both optical and electrical elements, in which end-to-end traffic can be routed through either an electrical path or an optical path. The core optical switch is used to dynamically create optical paths between pairs of... | Dynamic resource allocation in hybrid optical–electrical datacenter networks |
S0140366415002479 | Online Social Networks (OSNs) constitute vital communication and information sharing channels. Unfortunately, existing coarse-grained privacy preferences insufficiently protect the shared information. Although cryptographic techniques provide interesting mechanisms to protect privacy, several issues remain problematic,... | Practical identity-based private sharing for online social networks |
S0140366415002480 | The buffer sizing problem is a big challenge for high speed network routers to reduce buffer cost without throughput loss. The past few years have witnessed debate on how to improve link utilization of high speed networks where the router buffer size is idealized into dozens of packets. Theoretically, the buffer size c... | Exploring parallelism and desynchronization of TCP over high speed networks with tiny buffers |
S0140366415002492 | Software-as-a-service (SaaS) is gaining momentum for all business applications, including Unified Communications as a Service (UCaaS). In this context, user identity will play a key role in connecting the future fragmented communication suites in both corporations and cloud SaaS providers. However, SaaS solutions impos... | Unified communications as a service and WebRTC: An identity-centric perspective |
S0140366415002510 | While direct social ties have been intensely studied in the context of computer-mediated social networks, indirect ties (e.g., friends of friends) have seen little attention. Yet in real life, we often rely on friends of our friends for recommendations (of good doctors, good schools, or good babysitters), for introduct... | The power of indirect ties |
S0140366415002534 | The lack of abstraction in a growing semantic, virtual and abstract world poses new challenges for assessing security and QoS tradeoffs. For example, in Future Internet scenarios, where Unified Communications (UC) will take place, being able to predict the final devices that will form the network is not always possible... | Contextualising heterogeneous information in unified communications with security restrictions |
S0140366415002546 | Online social networks such as Twitter have emerged as an important mechanism for individuals to share information and post user generated content. However, filtering interesting content from the large volume of messages received through Twitter places a significant cognitive burden on users. Motivated by this problem,... | Retweeting beyond expectation: Inferring interestingness in Twitter |
S0140366415002558 | The wide adoption of smart phones has enabled Online Social Networks (OSNs) to exploit the location awareness capabilities offering users better interaction and context aware content. While these features are very attractive, the publication of users’ location in an OSN exposes them to privacy hazards. Recently, variou... | Lightweight private proximity testing for geospatial social networks |
S0140366415002571 | Companies and particularly their Chief Security Officers (CSOs) want to ensure that their Security Policies are followed, but this becomes a difficult goal to achieve at the point employees are able to use, or bring, their personal devices at work, in a practice that has been named “Bring Your Own Device” (BYOD). Since... | Corporate security solutions for BYOD: A novel user-centric and self-adaptive system |
S0140366415002583 | In Vehicular ad-hoc networks (VANETs), one of the challenging tasks is to find an accurate localization information. In this paper, we have addressed this problem by introducing a novel approach based on the idea of cooperative localization. Our proposed scheme incorporates different techniques of localization along wi... | Localization in vehicular ad hoc networks using data fusion and V2V communication |
S0140366415002613 | Graph sampling refers to the process of deriving a small subset of nodes from a possibly huge graph in order to estimate properties of the whole graph from examining the sample. Whereas topological properties can already be obtained accurately by sampling, current approaches do not take possibly hidden dependencies bet... | More than topology: Joint topology and attribute sampling and generation of social network graphs |
S0140366415002625 | Online social networking (OSN) websites such as Twitter and Facebook are known to have a wide heterogeneity in the popularity of their users, which is counted typically in terms of the number of followers or friends of the users. We add to the large body of work on information diffusion on online social networking webs... | The rich and middle classes on Twitter: Are popular users indeed different from regular users? |
S0140366415002649 | Content Distribution Networks (CDNs) are networks that make intense use of caching and multicast overlay techniques for transmitting video and other stream media, a type of traffic that has been growing tremendously in the last years. To cope with this increasing demand, several telecommunications companies have been a... | OCP: A protocol for secure communication in federated content networks |
S0140366415002868 | This study examines motives for virtually endorsing others on social media, focusing on the Facebook “like” function. Motives are studied in terms of uses and gratifications, Theory of Reasoned Action, and personality and technology factors. Data from an online survey of 213 respondents were examined using factor- and ... | What makes us click “like” on Facebook? Examining psychological, technological, and motivational factors on virtual endorsement |
S0140366415003175 | Some social networks, such as LinkedIn and ResearchGate, allow user endorsements for specific skills. In this way, for each skill we get a directed graph where the nodes correspond to users’ profiles and the arcs represent endorsement relations. From the number and quality of the endorsements received, an authority sco... | Endorsement deduction and ranking in social networks |
S0140366415003205 | Online Social Networks (OSNs) are the most popular applications in todays Internet and they have changed the way people interact with each other. Understanding the structural properties of OSNs and, in particular, how users behave when they connect to OSNs is crucial for designing user-centered systems. Results about O... | The impact of user’s availability on On-line Ego Networks: a Facebook analysis |
S0140366415003230 | The capability of accessing multiple channels through multiple interfaces improve network capacity and is desirable for future Mobile Ad-Hoc Networks (MANETs). However, due to the presence of jammers as well as mobility and ad-hoc features, MANETs require distributed and efficient resource management for channel assign... | Beacon-based channel assignment and jammer mitigation for MANETs with multiple interfaces and multiple channels |
S0140366415003515 | Broadcast scheduling for low-duty-cycle wireless sensor networks (WSNs) has been extensively studied recently. However, existing solutions mainly focused on optimizing delay and (or) total energy consumption without considering load distribution among nodes. Due to limited energy supply for sensor nodes, heavily loaded... | Towards energy-fairness for broadcast scheduling with minimum delay in low-duty-cycle sensor networks |
S0140366415003588 | Social-aware Opportunistic forwarding algorithms are much needed in environments which lack network infrastructure or in those that are susceptible to frequent disruptions. However, most of these algorithms are oblivious to both the user’s interest in the forwarded content and the limited power resources of the availab... | On the integration of interest and power awareness in social-aware opportunistic forwarding algorithms |
S0140366415003631 | Twitter is a popular social network which allows millions of users to share their opinions on what happens all over the world. In this work we present a system for real-time Twitter data analysis in order to follow popular events from the user’s perspective. The method we propose extends and improves the Soft Frequent ... | A framework for real-time Twitter data analysis |
S0140366415003655 | Underlying network provides infrastructures for cloud computing in data centers. The server-centric architectures integrate network and compute, which place routing intelligence on servers. However, the existing multi-port server based architectures suffer from determined scale and large path length. In this paper, we ... | FleCube: A flexibly-connected architecture of data center networks on multi-port servers |
S0140366415003667 | Information-Centric Networking (ICN) is regarded as one of the representative network architectures of Future Internet. In this paper, an information-centric architecture called Content-Scent based Architecture (CSAR) will be proposed for mobile ad hoc networks. In CSAR, each content has its special content-scent and c... | CSAR: A Content-Scent based Architecture for Information-Centric mobile ad hoc networks |
S0140366415003813 | To satisfy the demand for higher data rate while maintaining the quality of service, a dense long-term evolution (LTE) cells environment is required. This imposes a big challenge to the network when it comes to performing handover (HO). Cell selection has an important influence on network performance, to achieve seamle... | A novel cell-selection optimization handover for long-term evolution (LTE) macrocellusing fuzzy TOPSIS |
S0140366415003825 | We present PrivHab+, a secure geographic routing protocol that learns about the mobility habits of the nodes of the network and uses this information in a secure manner. PrivHab+ is designed to operate in areas that lack of network, using the store-carry-and-forward approach. PrivHab+ compares nodes and chooses the bes... | PrivHab+: A secure geographic routing protocol for DTN |
S0140366415003928 | This study proposes a capable, scalable, and reliable edge-to-edge model for filtering malicious traffic through real-time monitoring of the impact of user behavior on quality of service (QoS) regulations. The model investigates user traffic, including that injected through distributed gateways and that destined to gat... | Filtration model for the detection of malicious traffic in large-scale networks |
S0140366415004211 | Publish-subscribe is an increasingly popular messaging pattern for distributed systems, supporting scalable and extensible programming, and optimal spatial, temporal, and control-flow decoupling of distributed components. Publish-subscribe middleware and methods were extended towards supporting security, in particular ... | AnonPubSub: Anonymous publish-subscribe overlays |
S0140366415004570 | The normalized Laplacian spectrum (NLS) is a powerful tool for comparing graphs with different sizes. Recently, we showed that two NLS features, namely the weighted spectral distribution (WSD) and the multiplicity of the eigenvalue 1 (ME1), are particularly relevant to the Internet topology at the inter-domain level. I... | Graph perturbations and corresponding spectral changes in Internet topologies |
S0140366416300068 | Adoption of SSL/TLS to protect the privacy of web users has become increasingly common. In fact, as of September 2015, more than 68% of top-1M websites deploy SSL/TLS to encrypt their traffic. The transition from HTTP to HTTPS has brought a new challenge for network operators who need to understand the hostnames of enc... | Statistical estimation of the names of HTTPS servers with domain name graphs |
S0140366416300226 | Existing flat peer-to-peer (P2P) systems based on distributed hash tables (DHTs) perform unsatisfactorily under churn due to their non-hierarchical topology. These flat DHTs (FDHTs) experience low lookup success ratio, high lookup latency and high bandwidth usage as a consequence of the presence of churn. With this, we... | Evaluation of hierarchical DHTs to mitigate churn effects in mobile networks |
S0140366416300883 | We observe that the laborious collection of location fingerprints, that could also potentially change with time and space, remains a hurdle towards the widespread deployment of indoor and outdoor positioning systems using the Wi-Fi. Motivated by this, we focus on the error bound analysis of indoor Wi-Fi fingerprint bas... | Error bound analysis of indoor Wi-Fi location fingerprint based positioning for intelligent Access Point optimization via Fisher information |
S0140366416300901 | The current age of increased people mobility calls for a better understanding of how people move: how many places does an individual commonly visit, what are the semantics of these places, and how do people get from one place to another. We show that the number of places visited by each person (Points of Interest – PoI... | On the properties of human mobility |
S0140366416301141 | A malicious alteration of system-provided timeline can negatively affect the reliability of computer forensics. Indeed, detecting such changes and possibly reconstructing the correct timeline of events is of paramount importance for court admissibility and logical coherence of collected evidence. However, reconstructin... | CURE—Towards enforcing a reliable timeline for cloud forensics: Model, architecture, and experiments |
S0141938213000243 | A two-dimensional tactile display for visually impaired people was fabricated and successfully operated. Character and graphic information is dynamically displayed by an array of pins in up and down positions. The contraction of shape memory alloy (SMA) micro-coil actuators moves the pins up and down when the SMA actua... | Tactile display using shape memory alloy micro-coil actuator and magnetic latch mechanism |
S0141938213000255 | This paper presents a new pixel circuit with all-p-type TFTs for AMOLED displays. The proposed pixel circuit can effectively compensate for the threshold-voltage shift of the driving TFT, the degradation of OLED and the parasitic resistance of the power supply line. And thus, the brightness uniformity of AMOLED display... | A new compensation pixel circuit with all-p-type TFTs for AMOLED displays |
S0141938213000267 | To obtain a black matrix (BM) with high optical density (OD) and low dielectric constant, graphene oxide (GO) was prepared from synthetic graphite oxide and then incorporated into the conventional carbon black (CB) pigment to fabricate black matrix films. The introduction of insulating GO effectively lowered the dielec... | High optical density and low dielectric constant black matrix containing graphene oxide and carbon black on color filters |
S0141938213000383 | Iridium(III)bis(4,6-(difluorophenyl)pyridinato-N,C2′)picolinate (Firpic) is one typical bluish-green phosphor widely used in phosphorescent organic light-emitting diodes (PhOLEDs). In order to optimize its electroluminescent performance, 3,6-(di-tert-butyl)carbazolyl was introduced into the pyridine ring of the 2,4-dif... | Efficient bluish-green phosphorescent iridium complex for both solution-processed and vacuum-deposited organic light-emitting diodes |
S0141938213000395 | Large screen display technology has in recent years become available to industrial control rooms as a supplement to smaller displays. Due to the greater complexity and scale, measured in meters, not inches, it is now a challenge to design for readability and Situation Awareness. Information Rich Design is a design conc... | Visualizing complex processes on large screen displays: Design principles based on the Information Rich Design concept |
S0141938213000401 | The materials science and engineering related to the fabrication of conducting polymer thin films and the progress in the development of devices integrated with organic transparent electrodes based on conducting polymers for display applications are reviewed. Transparent electrodes are essential components for many dis... | Transparent electrodes based on conducting polymers for display applications |
S0141938213000413 | In a plasma display panel (PDP), ramp pulse is used for the reset operation. In this case, the stability of ramp slope is very important because the variation of ramp slope leads to the reset failure. However, the ramp slope is affected by the image load and operation temperature. In this paper, the variation of ramp s... | Ramp driver circuit for improving the stability of ramp slope in a flat panel display driver |
S0141938213000425 | In this study, the effects of ambient illuminance and light source on participants’ reading performance and visual fatigue during a long reading task were investigated using three electronic paper displays. Reading on electronic paper displays was also compared with reading on paper. In Experiment 1, 100 participants p... | Reading performance and visual fatigue when using electronic paper displays in long-duration reading tasks under various lighting conditions |
S0141938213000437 | Cholesteric liquid crystals (Ch-LCs) have been extensively studied due to their unique self-organized helical molecular structures and selective Bragg reflection properties, which exhibit great potentials for color displays and other practical applications. When functional, nanoscale molecular switches are doped in liq... | Towards nanoscale molecular switch-based liquid crystal displays |
S0141938213000449 | Seven compounds with pyridine as the backbone modified by carbazole moiety, bromine atom and fluorine atom were synthesized. Compounds 1, 2, 3 with bromo substitution at the 2-position and carbazole modification at the 5-position of pyridine emit not only a sharp blue singlet fluorescence but also a wide banded excimer... | Small molecules with pyridine backbone modified with carbazole, fluorine and bromine for white light-emitting diode applications |
S0141938213000450 | A series of the Zn3(BO3)2:Eu3+ without or with alkali metal ions doping at a low sintering temperature were synthesized by the solid-state reaction method. The XRD pattern shows that all samples exhibit Zn3(BO3)2 crystalline phase. The samples co-doped with alkali metal ions have better crystallinity compared with the ... | Effect of alkali metal ions co-doping on the structure and luminescent properties of phosphor Zn3(BO3)2:Eu3+ |
S0141938213000462 | Menus are commonly employed within user-interfaces, but are not necessarily a suitable solution for emerging new contexts. For instance, for in-vehicle displays, the use of visually oriented menus creates a clear distraction burden. To investigate how the visual demand of menus varied as a function of their breadth, de... | Menu hierarchies for in-vehicle user-interfaces: Modelling the depth vs. breadth trade-off |
S0141938213000474 | Recently, much research has been performed to guarantee viewer’s safety in watching stereoscopic 3D videos. Most of them focused on individual content factors causing viewer discomfort. This paper extends the kinds of content factors, and focuses more on the composite, rather than individual, factors. To analyze them, ... | Qualitative analysis of individual and composite content factors of stereoscopic 3D video causing visual discomfort |
S0141938213000486 | The present work describes indium-zinc oxide (IZO) sputtering depositions onto several types of papers, using radio-frequency (RF) and direct current (DC) sputtering with a ceramic IZO target. The electrical and optical properties of the resulting materials were optimized; by studying the argon and oxygen gas flow rate... | IZO deposition by RF and DC sputtering on paper and application on flexible electrochromic devices |
S0141938213000498 | Ca (or Sr)TiO3:Eu3+, M (Li+ or Na+ or K+) and CaTiO3:Pr3+, M (Li+ or Na+ or Ag+ or K+ or Gd3+ or La3+) powders were prepared by combustion synthesis method and the samples were further heated to ∼1000°C to improve the crystallinity. The structure and morphology of materials were examined by X-ray diffraction (XRD) and ... | Red emitting MTiO3 (M=Ca or Sr) phosphors doped with Eu3+ or Pr3+ with some cations as co-dopants |
S0141938213000504 | In this paper qualitative colours are named by defining intervals on reference systems built on the Hue Saturation and Lightness (HSL) colour space. The new model for Qualitative Colour Description (QCD) distinguishes rainbow colours, pale, light, dark colours and colours in the grey scale. For comparing the qualitativ... | A model for qualitative colour comparison using interval distances |
S0141938213000607 | Two novel carbazole/anthracene hybrided molecules, namely 2-(anthracen-9-yl)-9-ethyl-9H-carbazole (AnCz) and 2,7-di(anthracen-9-yl)-9-ethyl-9H-carbazole (2AnCz), were designed and synthesized via palladium catalyzed coupling reaction. The anthracene was attached either at the 2-site (AnCz) or at both 2,7-sites (2AnCz) ... | Novel carbazole/anthracene hybrids for efficient blue organic light-emitting diodes |
S0141938213000619 | There is a large demand for more fashionable style Chinese characters in advertising, art designing and publishing markets. However, it becomes challenging to create a new font style for so many Chinese characters (over 10,000). To solve this problem, a comprehensive Chinese fonts generating scheme is proposed in this ... | Generating Chinese characters based on stroke splitting and feature extraction |
S0141938213000620 | A main requirement for achieving high efficiency in organic light-emitting diodes (OLEDs) is that all charges and electrically generated excitons should be employed for emission. We fabricated blue phosphorescent OLEDs with four types electron transporting layers, which were doped with lithium quinolate (Liq) from 0% t... | Effect of electron transport layer engineering based on blue phosphorescent organic light-emitting diodes |
S0141938213000632 | We have grown the crystals of two thiophene/phenylene co-oligomers (TPCOs) composed of in-line five and seven alternating thiophene and benzene rings. These TPCOs are characterized by thiophenes located at both molecular terminals. The grown crystals had several pairs of parallel crystal faces that function as optical ... | Emission and charge transport properties of thiophene-terminated thiophene/phenylene co-oligomer crystals |
S0141938213000644 | Optical properties of seven regioregular poly(3-alkylthiophene) with different alkyl side chain lengths which are poly(3-butylthiophene-2,5-diyl) (P3BT), poly(3-pentylthiophene-2,5-diyl) (P3PT), poly(3-hexylthiophene-2,5-diyl) (P3HT), poly(3-heptylthiophene-2,5-diyl) (P3hept), poly(3-octylthiophene-2,5-diyl) (P3OT), po... | Mid-infrared characterization of thiophene-based thin polymer films |
S0141938213000656 | The characteristics of MoO3/F8BT/ZnO inorganic/organic hybrid light emitting diodes (IO-HyLEDs) fabricated on ZnO/Ag/ZnO dielectric/metal/dielectric (DMD) and conventional ZnO/ITO were investigated. The DMD had a low sheet resistance of 9Ω/sq and a high transmittance of 90.7%. The device fabricated on DMD showed simila... | Effect of MgZnO-bilayer/BA-CH3 combination interlayer on emission characteristics of MoO3/F8BT/ZnO hybrid light emitting diodes fabricated on ZnO/Ag/ZnO transparent cathode |
S0141938213000668 | Poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) is the most successful conducting polymer in terms of the practical application. It can be dispersed in water and some polar organic solvents, and high-quality PEDOT:PSS films can be readily prepared through solution processing. In addition, PEDOT:PSS ... | “Secondary doping” methods to significantly enhance the conductivity of PEDOT:PSS for its application as transparent electrode of optoelectronic devices |
S0141938213000681 | Electroswitching of emission and coloration was achieved by a combination of a luminescent Eu(III) complex and an electrochromic molecule of diheptyl viologen (HV2+), indicating that the complex-molecule combination could be used as a display material with dual emissive and reflective modes. The coloration of the mater... | Electrochemically-switchable emission and absorption by using luminescent Lanthanide(III) complex and electrochromic molecule toward novel display device with dual emissive and reflective mode |
S0141938213000693 | We have grown crystals in which two kinds of thiophene/phenylene co-oligomers (TPCOs) are hybridized. Biphenyl-capped thiophene (BP1T) and biphenyl-capped terthiophene (BP3T) were chosen from among the TPCOs. The hybrid crystals were grown in both the vapor phase and the liquid phase. These hybrid crystals showed the e... | Hybrid crystals based on thiophene/phenylene co-oligomers |
S0141938213000711 | The study investigates the effect of attention on prospective memory performance in programmer multitasking (N =60) incorporating a taxonomical understanding of prospective memory errors. It also presents an analysis of cognitive workload (CWL). The results demonstrate that people are more vulnerable to prospective mem... | Attention and intended action in multitasking: An understanding of cognitive workload |
S0141938213000723 | This study investigated the effects of ambient illumination conditions (illumination color and illumination intensity) and background color on visual performance (character identification and reading comprehension) with TFT-LCD screens. Results of Experiment 1 indicated that all the three independent variables had sign... | Effects of ambient illumination conditions and background color on visual performance with TFT-LCD screens |
S0141938213000735 | The current study investigates the effects of 3D displays (shuttered display vs. polarized display). People experienced superior fidelity and brightness when they watched 2D still images on a shuttered display, rather than on a polarized display. Conversely, people experienced greater brightness when they watched 3D st... | Effects of 3D displays: A comparison between shuttered and polarized displays |
S0141938213000759 | Visual secret sharing (VSS) schemes based on visual cryptography (VC) or random grids (RGs) have been proposed in the past decade with the advantages of easy implementation, efficiency secret recovering and perfect security. As the concept of multiple secret images has gained more and more attention in academia, the no... | A random grid-based cyclic access structure VSS scheme for multiple secret images |
S0141938213000760 | This study examined the effects of display method, text display rate, and observation angle on comprehension performance and subjective preferences for Chinese characters presented on an LED display. The factors and levels studied were as follows: four text display methods (rapid serial visual presentation ‘RSVP’, lead... | Effects of display method, text display rate and observation angle on comprehension performance and subjective preferences for reading Chinese on an LED display |
S0141938213000905 | We have fabricated two kinds of thin film transistors (TFTs) on the glass substrates using polycrystalline silicon (poly-Si) thin films with small and large grain sizes processed by Excimer Laser Annealing (ELA) and carried out a comparative analysis. The grain size was controlled by nickel atom content in amorphous si... | Characteristics of polycrystalline Si TFTs fabricated on glass substrates by excimer laser annealing with nickel-sputtered amorphous Si films |
S0141938213000917 | The color of a displayed image by a projector can be distorted by features of the device, the ambient light, the projection screen, and also the observer. This has raised the need to correct the image during the display to eliminate these effects and to ensure a constancy of the color appearances. In this paper, we pro... | Color constancy for visual compensation of projector displayed image |
S0141938213000929 | To answer the question: “what is 3D good for?” we reviewed the body of literature concerning the performance implications of stereoscopic 3D (S3D) displays versus non-stereo (2D or monoscopic) displays. We summarized results of over 160 publications describing over 180 experiments spanning 51years of research in variou... | Stereoscopic 3D displays and human performance: A comprehensive review |
S0141938213001054 | Dynamic images that possess beauty and are user-friendly can increase the use of digital technology. In addition to information conveyance, dynamic images also act as a communication bridge in the human–machine interface. Dynamic images are widely used in the application of digital media. Therefore, understanding the v... | A perceptual evaluation of grating frequencies and velocities in the analysis of dynamic images |
S0141938213001066 | Interactive displays are becoming an increasingly popular civic engagement mechanism for collecting user feedback in urban settings. However, to date no study has investigated (i) how the situatedness of public displays affects the quantity and quality of collected feedback, and (ii) how public displays compare to trad... | Eliciting situated feedback: A comparison of paper, web forms and public displays |
S0141938214000031 | Visual discomfort is one of the most frequent complaints of the viewers while watching 3D images and videos. Large disparity and large amount of motion are two main causes of visual discomfort. To quantify this influence, three objectives are set in this paper. The first one is the comparative analysis on the influence... | Visual discomfort of stereoscopic 3D videos: Influence of 3D motion |
S0141938214000043 | It has been common and popular to watch videos in moving vehicles. An important issue in developing comfortable in-vehicle video watching systems is to understand how passengers get motion sickness. With this in mind, the goals of this paper are (1) to introduce an experimental protocol and a statistical analysis proce... | Quantitative analysis of time-course development of motion sickness caused by in-vehicle video watching |
S0141938214000055 | The present study investigates the effects of relative positions of stereoscopic objects (PSO) (‘Far’ (from viewers) vs. ‘Near’ (to viewers) vs. ‘Both’) and seat location on viewers’ psychological responses. People who watched a movie with ‘Both’ conditions reported more arousal and satisfaction compared to people who ... | Effects of stereoscopic movies: The positions of stereoscopic objects and the viewing conditions |
S0141938214000067 | This paper proposes a power-efficient drive circuit for plasma display panels (PDPs). The proposed circuit reduces reactive power consumption by varying the inductance for energy recovery and by separating the grounds of the sustain and data drivers. Power consumption due to discharge current is reduced by using two so... | Power-efficient drive circuit for plasma display panel |
S0141938214000079 | Phosphorescent white organic light-emitting diodes (WOLEDs) based on single doped platinum(II) [1,3-difluoro-4,6-di(2-pyridinyl)benzene] chloride (Pt-4) emission layers were investigated in this paper. The devices exhibited electroluminescence spectra composed of bluish (λ max =480nm) and reddish (λ max =660nm) emissio... | Doping effect of Ir(ppy)3 on white-light electrophosphorescent devices based on platinum(II) [1,3-difluoro-4,6-di(2-pyridinyl)benzene] chloride |
S0141938214000171 | We investigated green phosphorescent organic light-emitting diodes (PHOLEDs) with charge control layer (CCL) to produce high efficiency and improve operational lifetime. Three types of devices were fabricated following the number of CCL within emitting layer (EML), maintaining the thickness of whole EML. The CCL and ho... | Improved efficiency and lifetime for green phosphorescent organic light-emitting diodes using charge control layer |
S0141938214000183 | Common projection optics use Köhler illumination to achieve a required lighting. These systems always prevent the realization of a compact optical configuration along with a high lumen output. Based on conventional Köhler illumination, a modified Köhler illumination system for LED-based projection display is presented ... | Modified Köhler illumination for LED-based projection display |
S0141938214000195 | The aim of the study was to investigate the effect of various character and background colour combinations on cognitive performance during onscreen searching tasks and to identify the best combinations with a multimodal approach of physiological (eye movement recording), subjective and performance data collection. In t... | Selection of character/background colour combinations for onscreen searching tasks: An eye movement, subjective and performance approach |
S0141938214000286 | It has been shown that multisensory presentation can improve perception, attention, and object memory compared with unisensory presentation. Consequently, we expect that multisensory presentation of landmarks can improve spatial memory and navigation. In this study we tested the effect of visual, auditory and combined ... | Navigating virtual mazes: The benefits of audiovisual landmarks |
S0141938214000298 | This paper proposes a novel pixel circuit for high resolution, high frame rate, and low power AMOLED displays that is implemented with one driving n-channel TFT, six switching n-channel poly-Si TFTs, and a storage capacitor. The proposed pixel circuit adopts the voltage programming scheme for threshold voltage compensa... | Novel voltage programming n-channel TFT pixel circuit for low power and high performance AMOLED displays |
S0141938214000304 | A series of Bi3+ and Gd3+ doped ZnB2O4 phosphors were synthesized with solid state reaction technique. X-ray diffraction technique was employed to study the structure of prepared samples. Excitation and emission spectra were recorded to investigate the luminescence properties of phosphors. The doping of Bi3+ or Gd3+ wi... | Synthesis of Bi3+ and Gd3+ doped ZnB2O4 for evaluation as potential materials in luminescent display applications |
S0141938214000316 | In order to understand the effect of hole injection on the performance of organic light-emitting diodes (OLEDs) with electron- and hole-type hosts used in the emissive layer, we fabricated OLEDs based on a green fluorescent 10-(2-benzothiazolyl)-2,3,6,7-tetrahydro-1,1,7,7-tetramethyl-1H,5H,11H-(1)benzopyropyrano(6,7-8-... | Effect of PEDOT:PSS vs. MoO3 as the hole injection layer on performance of C545T-based green electroluminescent light-emitting diodes |
S0141938214000328 | The spectral analysis of Heart Rate Variability (HRV) can be used for assessing the autonomic nervous activities and further the physiological conditions of subjects. This study intended to explore whether or not people would have fatigue, faintness and other kinds of uncomfortable conditions after watching a 3D film b... | The influence of polarized 3D display on autonomic nervous activities |
S0141938214000341 | In this study, we explored how stereoscopic depth affects performance and user experience in a mobile device with an autostereoscopic touch display. Participants conducted a visual search task with an image gallery application on three layouts with different depth ranges. The task completion times were recorded, and th... | Enhanced user performance in an image gallery application with a mobile autostereoscopic touch display |
S0141938214000353 | We investigate the effect of the metal pattern shape (i.e., square, hexagonal, and random grids) on the starburst phenomenon of touch screen panels (TSPs) based on opaque metallic grids. It is demonstrated that a standalone random metal grid can suppress the starburst phenomenon to a great extent. By way of ray tracing... | Investigation of starburst phenomenon using ray tracing for touch screen panels |
S0141938214000365 | This study investigates impacts of oxygen flow during the deposition of amorphous indium–gallium–zinc oxide (a-IGZO) channel layer with a radio frequency (r.f.) magnetron sputter on the electrical characteristics of the fabricated thin-film transistors (TFTs). Results indicate that as the film was deposited with a high... | Electrical characteristics of amorphous In–Ga–Zn–O thin-film transistors prepared by radio frequency magnetron sputtering with varying oxygen flows |
S0141938214000377 | We demonstrated an optimized 8-domain vertical aligned (VA) liquid crystal display (LCD) by minimizing its color washout. The index G is adopted to analyze the degree of color washout through simulation. By using linearly and circularly polarized incident light, the optimized regime of the area and applied voltage rati... | Evaluating and improving color washout of vertical aligned liquid crystal display |
S0141938214000389 | The article investigates how the various colors and color pairs used as grouping factors affect the visual search process and direct manipulation activities in the context of toolbar-like graphical panels. Red, green, and blue colors having the same perceptual distance in the CIELab space are used. The results demonstr... | The influence of color grouping on users’ visual search behavior and preferences |
S0141938214000390 | This paper presents a new three-dimensional (3-D) display that can display 3-D images at long distances of tens or hundreds of meters in the depth direction and that can control their 3-D positions to meet new requirements for outdoor use. The proposed display uses changing size as a cue to depth perception, i.e., the ... | New 3-D display that can display 3-D images at long distances and that can control their 3-D positions using changing size as a cue to depth perception |
S0141938214000407 | This research investigated whether carrying red-colored products enhances female sexual attractiveness. In the first experiment, male participants were instructed to observe women carrying laptops in different colors (black, silver, red, or blue). The results indicated that the women who carried red laptops were percei... | Red-colored products enhance the attractiveness of women |
S0141938214000419 | Previous studies on stereoscopic acuity have shown that the percentage of stereo blind subjects is relevant. Moreover, stereoscopic visualization is becoming widely diffused in different fields, like, e.g., entertainment, surgery or VR training, where it is necessary an accurate assessment of stereoscopic abilities of ... | Assessing stereo blindness and stereo acuity on digital displays |
S0141938214000481 | The TiO2 coated silicate micro-spheres (SMS) core–shell particles (SMS@TiO2) were synthesized using the sol–gel reaction followed by calcination. The SMS@TiO2 particles were used to enhance the light diffusion property of polycarbonate (PC) composites. Our experimental analysis shows that the TiO2 was coated on the SMS... | Preparation of TiO2 coated silicate micro-spheres for enhancing the light diffusion property of polycarbonate composites |
S0141938214000493 | A method for estimating the non-linear gamma transfer function of liquid–crystal displays (LCDs) without the need of a photometric measurement device was described by Xiao et al. (2011) [1]. It relies on observer’s judgments of visual luminance by presenting eight half-tone patterns with luminances from 1/9 to 8/9 of t... | Limitations of visual gamma corrections in LCD displays |
S0141938214000584 | Large screens have become more popular in recent years. Because of the increasing size of displays, the amount of information presented in the peripheral visual field has gained importance in many tasks on visual display units. Users of displays are often exposed to some change or difference in luminance in or between ... | Effects of discomfort glare on performance in attending peripheral visual information in displays |
S0141938214000596 | A novel MEMS display device comprising a light separator and MEMS light shutters is introduced. This device is operable both in transmissive mode using internal light source and in reflective mode using external sun light. In transmissive mode, the light separator directs internal backlight illuminated on its incident ... | Transmission and reflection dual operational mode MEMS display device |
S0141938214000602 | Reliability of MEMS (MicroElectroMechanical-Systems) devices is a crucial aspect as it can discriminate the successful from partially or totally missed reaching of Microsystem technology based market products. However, the topic of MEMS reliability is significantly articulated, as it comprises numerous physics of failu... | Reliability of MEMS: A perspective on failure mechanisms, improvement solutions and best practices at development level |
S0141938214000614 | This paper presents an optimized fabrication method for developing a freestanding bridge for RF MEMS switches. In this method, the sacrificial layer is patterned and hard baked a 220°C for 3min, after filling the gap between the slots of the coplanar waveguide. Measurement results by AFM and SEM demonstrate that this t... | Characterization and optimization to improve uneven surface on MEMS bridge fabrication |
S0141938214000626 | Recombination zone and Förster resonance energy transfer (FRET) in multilayer organic light-emitting diodes (OLEDs) were investigated. Basis device architecture is indium tin oxide (ITO)/N, N′-diphenyl-N, N′-bis(1-naphthyl-phenyl)-1, 1′-biphenyl-4, 4′-diamine (NPB)/4-(dicyanomethylene)-2-tert-butyl-6-(1, 1, 7, 7- tetra... | Effects of emissive layer architecture on recombination zone and Förster resonance energy transfer in organic light-emitting diodes |
S0141938214000638 | Stereoscopic 3D television (S3D TV) is now available in the home. However, little published information is available on viewer use or experience. In this study, 120 people from 29 households were given a new TV (active or passive stereoscopic 3D, or conventional 2D) and reported on their television viewing and other sc... | Viewer experience with stereoscopic 3D television in the home |
S0141938214000651 | We report a screen-printing fabrication process for large area electrowetting display (EWD) devices using polyimide-based materials. The poly(imide siloxane) was selected as hydrophobic insulator layer, and relatively hydrophilic polyimide as grids material. EWD devices that use poly(imide siloxane) as hydrophobic insu... | Screen-printing fabrication of electrowetting displays based on poly(imide siloxane) and polyimide |
S0141938214000663 | Electrowetting display (EWD) is a reflective display technology in which fluidic pixels can response and switch quickly by electronic control, showing the capability for video-speed reflective display applications. In this paper, a new driver system is proposed and realized for video playing function of active matrix e... | A novel driver for active matrix electrowetting displays |
S0141938214000675 | A series of Sm3+ and Dy3+ doped LaBWO6 phosphors were synthesized by high temperature solid state reaction. Recorded XRD patterns proved that the titled compound in a single phase has been obtained. Sm3+ and Dy3+ doped LaBWO6 could emit orange and white light, respectively. The optimal doping concentration of Sm3+ or D... | Synthesis of Sm3+ and Dy3+ doped LaBWO6 for evaluation as potential materials in luminescent display applications |
S0141938214000687 | Dysprosium doped di-strontium magnesium di-silicate namely Sr2MgSi2O7:Dy3+ phosphor was prepared by the solid state reaction method. The phase structure, surface morphology, particle size, elemental analysis was analyzed by using XRD, TEM, EDX and FTIR techniques. The EDX and FTIR spectra confirm the present elements i... | Dysprosium doped di-strontium magnesium di-silicate white light emitting phosphor by solid state reaction method |
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