In this paper we present a solution to the problem of positioning a team of Micro Aerial Vehicles for a surveillance task in an environment of arbitrary and unknown morphology. The problem is addressed taking into account ...

The SFly project is an EU-funded project, with the goal to create a swarm of autonomous vision controlled micro aerial vehicles. The mission in mind is that a swarm of MAV’s autonomously maps out an unknown environmen ...

A novel visual multimedia content encryption method based on cellular automata (CA) is presented in this paper. The proposed algorithm is based on an attribute of the eXclusive-OR (XOR) logic gate, according to which, ...

Current multi-AUV systems are far from being capable of fully autonomously taking over real-life complex situation-awareness operations. As such operations require advanced reasoning and decision-making abilities, current ...

This paper tackles the problem of the user’s incapability to describe exactly the image that he seeks by introducing an innovative image search engine called TsoKaDo. Until now the traditional web image search was based ...

Rank-based fusion is indispensable in multiple search setups in lack of item retrieval scores, such as in meta-search with non-cooperative engines. We introduce a novel, simple, and efficient method for rank-based late ...

As digital information is increasingly becoming multimodal, the days of single-language text-only retrieval are numbered. Take as an example Wikipedia where a single topic may be covered in several languages and include ...

Female migrant domestic workers face discrimination in the health care system concerning their access to good quality health services, as well as in participation in policy and decision making (ILO, 2010; MIGS, 2008) In ...

Depressive disorders are among the most common psychological conditions currently affecting individuals living in the Westernized world. Yet, available data indicate that fewer than one third of adults with depression ...

Bag-of-visual-words (BOVW) is a representation of images which is built using a large set of local features. To date, the experimental results presented in the literature have shown that this approach achieves high retrieval ...

In this paper, a novel method to generate video summaries is proposed, which is allocated mainly for being applied to on-line videos. The novelty of this approach lies in the fact that the video summarization problem is ...

Traditional tools for information retrieval (IR) evaluation, such as TREC’s trec_eval, have outdated command-line interfaces with many unused features, or ‘switches’, accumulated over the years. They are usually seen ...

Aging demographic changes suggest an increased demand on health and social services and elderly people prefer to be in their own homes and communities. The majority of elderly people prefer to stay at home for any form of ...

Background: The care of patients suffering from cancer and especially those facing the death trajectory appears to be complex and demanding not only for student nurses but for professional nurses as well. The educational ...

Background: Europe has the highest proportion of people aged 65 and older (16%). From 2000 until 2050, the world’s population aged 65 and over will be more than triple from 600 million to 2 billion. Elderly prefer to be ...

The diverse experiences of severely mentally ill persons, most of the times, have not been taken into account, or integrated to the treatment procedures. This meta-synthesis aimed to examine what is like to live with severe ...

Οι εμπειρίες των ατόμων με σοβαρή και παγιωμένη ψυχική νόσο (ΣΠΨΝ) τις περισσότερες φορές είτε δεν γίνονται αντιληπτές από τη διεπιστημονική ομάδα είτε δεν λαμβάνονται υπόψη στο θεραπευτικό πλάνο. Για το σκοπό αυτόν ...

Objective: To systematically review evidence on dysfunctional psychological responses of Intensive Care Units nurses (ICUNs), with focus on anxiety and depressive symptoms and related factors. Method: A literature search ...

Objective: To explore the severity of Anxiety Symptoms (AS) among Greek oncology nursing personnel, the degree of satisfaction from professional relationships, and potential association between them. Method: A descriptive ...

Background: Research evidence shows that healthcare professionals do not fully comprehend the difficulty involved in problems faced by people living with severe mental illness (SMI). As a result, mental health service consumers ...