Purpose: To assess three main emotions (happy, sad and calm) by various classifiers, using appropriate feature extraction and feature selection. Materials and Methods: In this study a combination of Power Spectral Density and a series of statistical features are proposed as statistical-frequency features. Next, a feature selection method from pattern recognition (PR) Tools is presented to e...

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the criminal justice and observance of human rights principles have important roles in efficiency of bodies involved in combating against terrorism. as some states like u.k. have violated several international provisions such as international civil and political covenant and the european convention of human rights, this article tries to verify anti-terrorism crime and security act (atcsa) and i...

social interaction requires the ability to understand people’s mental states (their intentions, desires and believes). the ability for attributing mental states is called “theory of mind.” theory of mind leads the person to explain and predict behavior. researchers showed a great interest in the relation of language and mind/language and thought. some researchers focused on methodological conce...

the cyclical economic downturn in the united states has forced many extension administrators to rethink and adjust services and programming. the cooperative extension system (ces), the organization primarily responsible for governmental extension work in the united states, at iowa state university responded to this economic downturn by restructuring its organization from county based to a regio...

despite being the member of the international disarmament and non-proliferation conventions i.e. non-proliferation treaty (npt), chemical weapons convention (cwc) and biological weapons convention (bwc) which include their own specific export control regimes, some developed countries established parallel export control regimes that are against their commitments under aforementioned internationa...

electroencephalogram (eeg) is one of the useful biological signals to distinguish different brain diseases and mental states. in recent years, detecting different emotional states from biological signals has been merged more attention by researchers and several feature extraction methods and classifiers are suggested to recognize emotions from eeg signals. in this research, we introduce an emot...