Haque Nawaz Lashari

Sindh Madressatul Islam University · Computer Science

CAPTCHA is one of the most widely used security on internet now a day’s. This CAPTCHA test is used against the Bots that creep into website and perform automatic registration. Among different type of CAPTCHAs one of oldest and easiest method is text based. Text based CAPTCHAs are available in the market in different languages i.e. English, Arabic,...

In this advanced technological era, the internet especially social media plays an important role in our lives. Because through social media everyone can easily communicate with their relatives and loving ones. Its usage is increasing day by day which also facilitate the Cyber Criminals to perform cyber acts using these networks. There are several n...

In the era of new technology, we have huge amount of data to deal with arranging the huge amount of data has remained a big challenge. This research paper includes two types of sorting algorithm, Heap Sort and Insertion Sort and also their performance analysis on thebasis of running time along with their complexity. This paper includes the algorith...

Information and communication technology (ICT)have profound influence in the modern world such that it has taken every sphere of life today. The advent of ICT has made the all activities relating to human and material resources utilize unto optimum level and making every aspect of life easier. In these days, the use of latest ICT technology like di...

In the recent years the real world problems are going to be solved by researchers using simulation method for experiments in the field of networks and communication. However, the simulator tools are generally used to assess the theories, ideas and hypothesis by research society. The Unmanned Aerial Vehicle Communication Networks (UAVCN) is an emerg...

The unmanned aerial vehicle communication networks (UAVCN) comprises of a collection of unmanned aerial vehicles (UAVs) to build a network that can be used for many applications. These nodes autonomously fly in free space in ad-hoc mode to carry out the mission. However, the UAVs face some challenging issues during collaboration and communication....

The unmanned aerial vehicle communication networks (UAVCN) is an emerging technology of wireless communication. By making use of this technology, the swarm of unmanned aerial vehicles (UAVs) forms a network in which the UAVs can communicate with each other and trigger the information for a particular operation of military and civilian applications....

The unmanned aerial vehicle communication networks (UAVCN) comprises of a collection of unmanned aerial vehicles (UAVs) to build a network that can be used for many applications. These nodes autonomously fly in free space in ad-hoc mode to carry out the mission. However, the UAVs face some challenging issues during collaboration and communication....

UAV Communication Networks (UAVCN) comes under the umbrella of Ad hoc Network technology. It has the critical differences with existing wireless networks, which are high mobility, high speed, dynamic updates, and changes in topology due to high movement, which creates the problem of link breakages and affects the routing performance. This problem d...

Objective: To design and Develop CMS for Sindhi e-newspaper by using the searching techniques. Methods/analysis: Existing e-newspapers are not implementing any CMS with searching techniques. The research methodology is supposed to b experimental. A web CMS is developed for Sindhi e-newspaper by using the following tools/technologies: JavaServer Fac...

In recent development period of modern technology, the flying automatons UAVs (unmanned aerial vehicles) need are increasing day by day for different applications. However, this is an important area to explore and review the vicinity where UAVs can be deployed for a specific application. In this study, researchers have explored the usage of UAVs ac...

The Unmanned aerial vehicle communication network (UAVCN) is a group or swarm of unmanned aerial vehicles which can be used for specific military and civilian applications without human intercession. This network faces the design problem which is based on network mobility. The frequent topology changes affect communication and collaboration among t...

The swarm of UAVs' (Unmanned Aerial Vehicles) is a group of aerial nodes that form the UAVCN (Unmanned Arial Vehicle Communication Networks) in the air. UAV's communication is a challenging issue but it is required, in order to implement the group of UAV's for specific military and civilian applications. In this paper, we have implemented the OLSR...

Objectives: The study has been carried out to present the sentiment analysis model for improving the quality of teaching in academic institutions, particularly at universities. The purpose of this study is to explore the different machine learning techniques to identify its importance as well as to raise interest in this research area. In this rega...

Pitch control of wind turbines by the help of a fuzzy controller

The production of fossil fuels is declining day-by-day, this made the research to think about the alternates and renewable energy especially solar and wind are focused by the researchers. In this paper we have acquired the complete transfer function of wind turbine based on power plant and step response based on analysis has been made for evaluatio...

The social media is growing very rapidly, especially in the youth within the student community. The student community or youth communicates through their postings in form of textual data, images and videos to convey their messages within their circles of closely known and unknown friendships. The postings posted by the youth may be collected and us...

Image denoising autoencoder is classical issue in the field of digital image processing where compression and decompression function are lossy and data specific. In this paper, we use autoencoder technique on RGB (Red, Green and Blue) color scheme dataset, we added Gaussian noise on CIFER-10 dataset then encode by using 2D convolutional neutral net...

Image denoising autoencoder is classical issue in the field of digital image processing where compression and decompression function are lossy and data specific. In this paper, we use autoencoder technique on RGB (Red, Green and Blue) color scheme dataset, we added Gaussian noise on CIFER-10 dataset then encode by using 2D convolutional neutral net...

The UAVCN (Unmanned Aerial Vehicles Communication Networks) is an Emerging technology of adhoc networking which is useful for many military and civilian applications of wireless communication. It resembles like Flying Adhoc Network. Our research intends to study about the UAVCN proactive routing protocols and to develop the test beds to implement t...

Altmetrics is complementary to the traditional bibliographic impact measurement techniques. This study explores the extent to which Altmetrics co-relate with the bibliographic impact measurement techniques: H-index and its variants. Analysis is accomplished based on around 70,000 published papers of 45categories from the field of mathematics. Numbe...

Social networking sites (SNS) provide an open platform for communication and interaction and socialization. But the main idea behind this article was to assess the impact of whether SNS addiction effects online self- disclosure or not moreover its mediation impact. The main idea of this study is to investigate the mediating effect of habit, psychol...

In today’s world as the innovation in computing application is advancing day by day which required more and more bandwidth. For example online gaming, video streaming and mega file uploading and downloading. All these application are bandwidth demanding, to full fill the requirement of these applications in communication, a medium play an important...

Social networking sites (SNS) provides a public platform for communication and interaction as well as socialization. But the most important motive behind conducting this study was to assess the impact of whether SNS addiction effects online self- disclosure or not. The main idea of this study is to investigate the moderating effect of pschological...

Object detection and tracking with the aid of computer vision is a most challenging task in the context of Driver Assistant System (DAS) for vehicles. This paper presents pedestrians detection techique using Haar-Like Features. The main aim of this research is to develop a detection system for vehicle drivers that will intimate them in advance for...

In computer science field, one of the basic operation is sorting. Many sorting operations use intermediate steps. Sorting is the procedure of ordering list of elements in ascending or descending with the help of key value in specific order. Many sorting algorithms have been designed and are being used. This paper presents performance comparisons am...

FSO (free space optical) communication is one of the most advanced modes of wireless communication. FSO is a line of sight communication which is used to convey data from an optical transmitter to an optical receiver through atmosphere. FSO offers higher data rates but fading level due to atmospheric effects (like sand, dust, fog, rain, snow etc.)...

The challenging issues in the Mobile adhoc network technology (MANET) are power and routing. These issues are affecting the performance between devices during communication. The Mobile adhoc network technology is most demanding area of research it is totally centralized control free platform where devices can communicate with each other. However, i...

This paper is intended to examine the impact of perceived risk and perceived cost to accept mobile commerce in Pakistan. This research uses extended Technology Acceptance Model (TAM).The proposed model was tested through Structural Equation Modeling (SEM) with the help of Analysis of Moment Structures (AMOS) software using sample data of 414 respon...

The telecommunication facilities are normally not available in flood and earthquake effected areas. Under such circumstances, telecommunication company free (telecofree) and simfree communication is required which can work in all situations (independent of telecommunication companies). In this research work, Subscriber Identity Module (simfree) com...

The centre of attention of this research paper is to assess the performance of dissimilar functioning methods of classification technique on data set of Urban Land Cover using RapidMiner software and propose one that gives good performance on mentioned data set of Urban Land Cover. This is an attractive dataset for classifying the high resolution i...

The center of attention of this research paper is about the performance evaluation of TDRP (table driven routing protocol) and EDRP (event driven routing protocol) by using voice and video traffic in MANET (mobile Adhoc network). Particularly OLSR (table driven) and DSR (Event driven) routing protocols are focused. The nodes of MANET establish the...

This research paper encompasses the performance analysis of table driven and event driven routing protocols by using voice and video traffic in mobile Adhoc network (MANET). Particularly, OLSR (table driven) and DSR (Event driven) protocol are considered. The nodes of MANET establish the connections with each other energetically and can move freely...

Abstract: The modern era of communication technology plays vital in the field of mobile Adhoc networking. This research paper work is about the simulation based analysis of reactive protocols metrics in MANET using opnet. The reactive protocols metrics are important subject matter in the mobile Adhoc network environment. The network environment con...

Abstract— In this paper gear Measurement has been carried out by focusing two features of gear image object. The problems are to measure the gear features of gear image object, in the sense the measurement of the Area of the gear image object and as well the teeth of the gear will be counted. We have used Matlab tool and development code which over...

This research paper work is about the analysis of routing protocol metrics in MANET. The routing protocols metrics are important subject matter in the mobile Adhoc network environment. The MANET environment connecting devices or nodes with each other energetically and develop mobile Adhoc wireless network . It offers the mobility to network devices...

AES (Advanced encryption standard) is the most widely used encryption standard around the world. Data encrypted by AES is strong enough to decrypt by any other means. Although the AES encryption is one of the best encryption till now. The main issue of AES raised in this paper are 1) Key development and securing issue. 2) Universally known algorith...

Abstract: This research work is regarding the simulation based analysis of handover issues affecting the UMTS network performance. The mobility is provided by handover to user which is the major subject matter of wireless communication and handover provides the interpretability between different network technologies However handover is an issue tha...

This research work is regarding the simulation based analysis of handover issues affecting the UMTS network performance. The mobility is provided by handover to user which is the major subject matter of wireless communication and handover provides the interpretability between different network technologies. However handover is an issue that is focu...

Structural individuality of the networks consider by node clustering in wireless sensor network. Communication between two unknotted nodes is finding through intermediate nodes, Each node that falls inside the communication range t of a node Ω, is taking in considered reachable. This will be applicable in habitat monitoring; disaster relief and tar...

UMTS (Universal Mobile Telecommunication System) network uses the band frequency 1920-1980 MHz or 2110-2170 MHz (Mega Hertz). However, Still remote areas where there are difficulties to provide UMTS services in a cost effective way, UMTS deployment in the 900 MHz band can facilitate the provision of the expected UMTS services to users in those area...