Research ArticleOpen accessIn the abstractA Review of Recent Results on 3D EffectsRelly Victoria V. Petrescu, Florian Ion T. PetrescuThree dimensions or three-dimensional or 3D are expressions that characterize the space around us, as perceived by our vision, in terms of width, height and depth. The term "3D" is also (and improperly) used to refer to the representation in synthetic (digital) images, the relief of stereoscopic images or other images in relief and sometimes even the simple stereophonic effect, … …American Journal of Engineering and Applied Sciences, Vol. 9, Issue 4 · 28 Dec 2016 · 8,337 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Optimal Implementation of a Generator of SinusoidSouhila Boudjema, Kaddour SaouchiThe embedded systems occupy a place increasingly important in our daily life. In recent years much of research it is focused on the miniaturization of the various electronic devices. In this study we present the architecture of a digital generator of frequency based on trigonometrically algorithm to obtain sample high frequencies. We treat a comparative study between various processors CORDIC: … …American Journal of Applied Sciences, Vol. 12, Issue 8 · 17 Sep 2015 · 6,292 accessesView PDFCite
Research ArticleOpen accessIn the abstractAndroid Based Energy Aware Framework for Porting Legacy ApplicationsNaeem Zafar AzeemiTrend is growing towards using complex multimedia functions on smaller devices. In this study, we explore the effect of migrating legacy signal processing software applications algorithms from large form factor devices to the smaller one such as handheld mobile devices known as Energy Conscious Mobile Computing Systems (EConMCS). We concentrate on Source Code Volatility (SCV), including inherent algorithm complexity and … …American Journal of Applied Sciences, Vol. 11, Issue 12 · 3 Jan 2015 · 6,288 accessesView PDFCite
Research ArticleOpen accessIn the abstractField Programmable Gate Arrays based Design, Implementation and Delay Study of Braun's MultipliersMuhammad H. Rais, Mohammed H. Al MijalliProblem statement: Parallel array multipliers are required to achieve high execution speed for Digital Signal Processing (DSP) applications. Approach: The purpose of this article is to investigate Field Programmable Gate Arrays (FPGAs) implementation of standard Braun’s multipliers on Spartan-3AN, Virtex-2, Virtex-4 and Virtex-5 FPGAs using Very high speed integrated circuit Hardware Description Language (VHDL). The delay study was analyzed using … …Journal of Computer Science, Vol. 7, Issue 12 · 22 Oct 2011 · 6,677 accessesView PDFCite
Research ArticleOpen accessIn the abstractA Novel Method for Testing Digital to Analog Converter in Static RangeK. Hariharan, S. Gouthamraj, B. Subramaniam et al.Problem statement: Linearity testing methods for DAC usually involves usage of non-linear analog components, which are indeed prone to various errors. Few other testing methodologies involve complex circuitry for measuring exactitude of DAC. Practically, it is difficult to build those as Built In Self Test (BIST) due to complexity of calculation, which demands more usage of ALU (or core of … …American Journal of Applied Sciences, Vol. 7, Issue 8 · 31 Aug 2010 · 7,458 accessesView PDFCite
Research ArticleOpen accessIn the abstractHardware Implementation of Truncated Multipliers Using Spartan-3AN, Virtex-4 and Virtex-5 FPGA DevicesMuhammad H. RaisProblem statement: The development cost for Application Specific Integrated Circuits (ASICs) are high, algorithms should be verified and optimized before implementation. The Digital Signal Processing (DSP), image processing and multimedia requires extensive use of multiplication. The truncated multipliers can easily be implemented using Field Programmable Gate Array (FPGA) devices. Approach: This research presented the comparative study of Spartan-3AN, Virtex-4 and … …American Journal of Engineering and Applied Sciences, Vol. 3, Issue 1 · 31 Mar 2010 · 8,334 accessesView PDFCite
Research ArticleOpen accessIn the abstractAn Efficient Low Complexity Lossless Coding Algorithm for Medical ImagesS. E. Ghrare, M.A. Mohd. Ali, K. Jumari, M. IsmailProblem statement: Nowadays a large number of various medical images are generated from hospitals and medical centers with sophisticated image acquisition devices, the movement toward digital images in radiology presents the problem of how to conveniently and economically store, retrieve and transmit the volume of digital images. Thus digital image data compression is necessary in order to solve this problem. … …American Journal of Applied Sciences, Vol. 6, Issue 8 · 31 Aug 2009 · 7,091 accessesView PDFCite
Research ArticleOpen accessIn the abstractDoIP Interfacer System: A Low-Cost Alternative to Computer for Basic Network Communication in LAN EnvironmentEmmanuel Jo-el Tay, Choong Fook Lim, HemalathaProblem statement: Computer, very important to human society because of its capability in performing complex task. Questions were raised on the practicality of using computer for basic network communication where cost, portability and flexibility are major concerns. Explore a low-cost alternative to computer for basic network communication in LAN environment which consumes less power and portable as well as to … …Journal of Computer Science, Vol. 5, Issue 7 · 31 Jul 2009 · 6,829 accessesView PDFCite
Research ArticleOpen accessIn the abstractSecurity Manager - Key to Restrict the Attacks in BluetoothPushpa Suri, Sona RaniBluetooth is the technology that utilizes radio frequency waves as a way to communicate wirelessly between digital devices. The Bluetooth user has the choice of point-to-point or point-to-multipoint links whereby communication can be held between two devices, or up to eight. When devices are communicating with each other they are known as piconet, and each device is designated as a … …Journal of Computer Science, Vol. 3, Issue 7 · 31 Jul 2007 · 6,566 accessesView PDFCite
Research ArticleOpen accessIn the abstractGate Replacement Technique for Reducing Leakage Current in Wallace Tree MultiplierNaveen Raman, ThanushkodiLeakage power has become more significant in the power dissipation of today’s CMOS circuits. This affects the portable battery operated devices directly. The multipliers are the main key for designing an energy efficient processor, where the multiplier design decides the digital signal processors efficiency. In this study gate replacement technique is used to reduce the leakage power in 4×4 Wallace … …Journal of Computer Science, Vol. 9, Issue 2 · 30 Mar 2013 · 6,763 accessesView PDFCite