Nova Ahmed

Implementation of flash flood monitoring system based on wireless sensor network in Bangladesh

This research involved in the design & implementation of water monitoring system that provides a solution to remotely monitoring water levels, early warning of events, sending notifications when critical water levels are reached through mobile and accessing all information via a website. It enables people to obtain readings remotely instead of having to travel to each monitoring stations to collect data and gives protection of the safety of monitoring personnel under certain dangerous circumstances. The system consists of the field sensor, Arduino Ethernet-shield, data collection software module, web console module, Mobile based monitoring module and distributed servers. The field sensor acquires the real-time data as water-level information from river stations. The data is then stored to distributed web servers and represented to website so that everyone gets the status of water levels. The proposed monitoring system presents useful characteristics as large network capacity, sensor hardware compatibility, long-range communication, low power consumption, and capable of taking challenge to natural environment threats like weather conditions and various type of water mixed up with others materials.

Discussing about Sexual Harassment (Breaking Silence): The Role of Technology

Technology can play an important role to flght social problems. We have explored the role of technology in sexual harassment through our yearlong qualitative study on urban female undergraduate students. The existing notion of fear, mistrust and hope towards technology affects the discussion as presented in our research.

Computing beyond gender-imposed limits

Gender inequality has long been on the list of factors that impose limits on the potential of computing, in ways that have been more and less obvious. Drawing on ethnographic findings from marginalized communities in Bangladesh, we analyze the impact of gender inequality on the stages of user research, design, deployment, and use of computing technologies. We conclude with a discussion of how a combination of design, policy, and/or theoretical approaches might supply us with tools to combat the challenges faced in these stages in order to bring about greater equity and participation in the world of computing.

mHealth: Blood donation service in Bangladesh

Communication technology has advanced significantly over the last decade enabling people to communicate anytime from anywhere using a multiplicity of devices. However, the power of this advancement in communication technology has hardly been leveraged in health care industry. The purpose of this paper is to develop a blood donation service to assist in the management of blood donor records and ease/or control the distribution of blood in various parts of the country basing on the demands. The blood donation service in Bangladesh offers functionality to quick access to donor records collected from various parts of the country. It enables monitoring of the results and performance of the blood donation activity.

ShonaBondhu: a cloud based system to handle flash flood

Flash Flood is a natural disaster that floods away large area where there are dense presence of rivers. Bangladesh is one such country where people face this sudden flood problem and loses valuable assets using manual water level monitoring. The challenge lies in the sudden increase of water level once the flood water is in. We are proposing a distributed system using water level monitoring sensors named Shonabondhu. The sensing nodes are distributed all across the country and the servers that collect data from sensors are spread around various regions. The servers use a function of rainfall and current water level that indicate a particular gradient to that sensor. The gradient information among sensors are related using the water level and rainfall data over four years (2008 to 2011). This gradient information is updated and propagated when any kind of change is present near the source of the river. A communication abstraction is created to propagate sensitive information and periodic updates of current status. We have used actual sensors to monitor the water level in the river and have used emulated sensors to mimic the behavior in large distributed system. Our current system works as a proof of a concept system before the actual deployment of this system in collaboration of Water Development Board of Bangladesh.

Efficient and Reliable Hybrid Cloud Architechture for Big Data.

The objective of our paper is to propose a Cloud computing framework which is feasible and necessary for handling huge data. In our prototype system we considered national ID database structure of Bangladesh which is prepared by election commission of Bangladesh. Using this database we propose an interactive graphical user interface for Bangladeshi People Search (BDPS) that use a hybrid structure of cloud computing handled by apache Hadoop where database is implemented by HiveQL. The infrastructure divides into two parts: locally hosted cloud which is based on Eucalyptus and the remote cloud which is implemented on well-known Amazon Web Service (AWS). Some common problems of Bangladesh aspect which includes data traffic congestion, server time out and server down issue is also discussed.

Computer vision based road traffic accident and anomaly detection in the context of Bangladesh

Road traffic accident is one of the major causes of death in Bangladesh. In this article, we propose a method that uses road side video data to learn the traffic pattern and uses vision based techniques to track and determine various kinetic features of vehicles. Finally, the proposed method detects anomaly (possibility of accident) and accidents on the road. The proposed method shows approximately 85% accuracy level in detecting special situations.

Dermatological disease detection using image processing and artificial neural network

Skin diseases are among the most common health problems worldwide. In this article we proposed a method that uses computer vision based techniques to detect various kinds of dermatological skin diseases. We have used different types of image processing algorithms for feature extraction and feed forward artificial neural network for training and testing purpose. The system works on two phases- first pre-process the colour skin images to extract significant features and later identifies the diseases. The system successfully detects 9 different types of dermatological skin diseases with an accuracy rate of 90%.

CHI 2017 Stories Overview

CHI Stories is a new venue introduced at CHI 2017. A diverse set of storytellers describe personal experiences that shaped who they are and how they came to the field of Human-Computer Interaction.

HCI Across Borders

At CHI 2016, the Development Consortium titled HCI Across Borders (HCIxB) was widely attended by 71 participants from 20 countries and six continents. The goal of this workshop was to build community and invite collaborations ?across borders? on themes of interest for the participants ? researchers actively involved in international HCI research, with many of them working in parts of the ?developing? world. In 2017, our goal is to extend these conversations to fuel community building beyond the workshop. The question we ask, therefore, is how we might align our efforts to reach potential members of our larger HCI community, even those who do not or are unable to attend CHI, to work towards a more cohesive global community. Further, we ask, what might the format of these efforts be? We invite proposals along these lines with the intention of bringing people together to discuss and workshop ideas for research directions, venues, activities, and events that would be natural extensions of HCIxB 2016 as well as HCIxB 2017, that we propose herein.