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A Novel Chaotic Uniform Quantizer for Speech Coding
(CEST-2018, 2018-09-27)
Quantization is an essential step in the analog-to-digital conversion process and it is very important in all modern telecommunication systems. In this paper, a novel chaotic uniform quantizer is proposed and its application ...
Multiple Noises Removal from Computed Tomography (CT) Images
(CEST2018, 2008-09-27)
ABSTRACT
Noise is seen in images during image acquisition and transmission. This is characterized by noise model. Image enhancement through noise reduction is a fundamental problem in image processing. Noise filtering is ...
Handwriting Arabic Words Recognition Based on Structural Features
(CEST-2018, 2018-09-27)
Handwriting recognition technology is the ability of a computer to recognize characters, words and other symbols that have been written by hand in natural handwriting. This study presents a method for recognition of ...
Experimental Evaluation of the Humans’ Health Hazards’ Potential Due to Exposure to the Microwaves’ Radiations in Garaboulli City-Libya
(CEST-2018, 2018-09-27)
There is a high concern worldwide about the effects of the high level of energy of the transmitted electromagnetic radiations for the wireless communications on the humans’ health. So, the purpose of this study is to ...
Fast Efficient Transforms for Contour Extraction from Encrypted Medical Image
(CEST-2018, 2018-09-27)
The necessity of knowing the boundaries of the image is occupies the most important to researchers. With clear conrours, the doctor can easily diagnose the patient's condition. This is possible, but the challenge is whether ...
Fast Efficient Transforms for Contours Extraction and Image Compression using Zonal Sampling Methods
(CEST-2018, 2018-09-27)
People who use digital image processing techniques usually deal with a huge amount of data. Because storing image data for future needs requires a lot of storage space. In a similar way, sending image data at a reasonable ...
Modeling and Performance Evaluation of MapReduce in Cloud Computing Systems Using Queueing Network Model
(CEST-2018, 2018-09-27)
MapReduce is a two -stage information processing technique and it is common concept for big data. Map and Reduce procedures are distributed among some processors within a cluster in the cloud. The performance modeling and ...
Bandwidth Optimization Through Hybrid Codecs G.711 and G.729 for VoIP Ethernet, FR and MP Networks
(CEST-2018, 2018-09-27)
With the rapid growth in both internet and telecommunication technologies, VoIP has become more and more popular and expected to replace the traditional telephony services. The main issues in communication of real time ...
Color Image Encryption in the Spatial Domain Using 3-D Chaotic System
(CEST-2018, 2018-09-27)
ABSTRACT
Users of Internet daily send and receive many images through social media. These images are vulnerable to hack by attackers. Therefore, it is necessary to develop methods to protect these images against attackers. ...
Enhancement of Bandwidth of U-shape Loaded Microstrip Patch Antenna According to 802.11b Standard
(CEST-2018, 2018-09-27)
The bandwidth of microstrip antennas is proportional to the thickness of the substrate that used. Since most substrates are very thin in terms of wavelengths, the bandwidth is usually small. To enhance the bandwidth, a ...