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Ahmed Ibrahim

Publications (3)

Plain Text Encoding/Decoding Technique Using a Combination of Huffman and Run-Length Algorithms

Ahmed Ibrahim · Current Journal of Applied Science and Technology · 2016

This work is devoted to study the effect of applying a hybrid encoding/decoding algorithm to textual data. The sole purpose is to analyze the effect on the size as well as the complexity of the output encoded data. The proposed combination is that of Huffman and Run-Length algori...

Open access Research Article 10.9734/BJAST/2016/25712

Quick Techniques for Template Matching by Normalized Cross-Correlation Method

M. I. Khalil & Ahmed Ibrahim · Journal of Advances in Mathematics and Computer Science · 2015

Object recognition is one of the fundamental challenges in signal processing, image processing and computer vision, where the goal is to identify and localize the extent of object instances within an image. A novel approach for performing the matching by normalized cross-correlat...

Open access Research Article 10.9734/BJMCS/2015/16461

FT-Raman Spectroscopy and PLS Regression for Quantitative Determination of Captopril in Tablet Powder; Effect of Different Preprocessing Methods

Ahmed Shawky, Ahmed Ibrahim, Maissa Y. Salem & Ahmed E. El Gindy · Chemical Science International Journal · 2013

Aims: This study was performed to develop a fast and simple method for the quantitative analysis of Captopril in tablet powder by FT-Raman Spectroscopy and PLS regression. The effect of different preprocessing methods on multivariate calibration was studied. Methodology: Four dif...

Open access Research Article 10.9734/ACSJ/2014/6087