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2-Dimensional finger gesture based mobile robot control using touch screen
The purpose of this study was to present a reliable
mean for human-computer interfacing based on finger gestures made in two dimensions, which could be interpreted and adequately used in controlling a remote robot's movement. The gestures were captured and interpreted using an algorithm based on trigonometric functions, in calculating the angular displacement from one point of touch to another as the user’s finger moved within a time interval; thereby allowing for pattern spotting of the captured gesture. In this paper the design and implementation of such a gesture based user interface was presented, utilizing the aforementioned algorithm. These techniques were then used to control a remote mobile robot's movement. A resistive touch screen was selected as the gesture sensor, then utilizing a programmed microcontroller to interpret them respectively
Contemporary Shelter in the Built Environment: A Comparative Review of Social Housing Schemes in Selected European and African Nations
Social Housing remains highly essential in providing affordable shelter in urban
and peri-urban settlements. However, pressures from liberalisation, public expenditures,
and privatisation continue to threaten its availability. This paper reviews contemporary
social housing trends and compares Europe’s established social housing scheme to Africa’s
emerging schemes. This was achieved by identifying the similarities between social
housing in the UK and the Netherlands and social Housing in Nigeria and South Africa and
identifying the differences between them. Relevant literature was reviewed to give a
detailed but straightforward account of the Netherlands, UK, South Africa, and Nigeria
based on allocation policy, target occupants, ownership scheme, mode of finance, and the
challenges faced. The studies conclude that there are more similarities between social
Housing in Europe and Africa than differences. However, the most fundamental difference
is the type of challenges they face. The challenges observed in Europe’s social housing
schemes are social problems such as segregation and bad public image. In contrast, Africa’s
social housing challenges are socio-economical in terms of lack of funds, poor planning,
and implementation of policies. The outcome from this study is targeted at promoting the
implementation of sustainable social housing schemes at the policy level