Schizophrenia is characterized by deficits in gesturing that is important for nonverbal communication. Research in healthy participants and brain-damaged patients revealed a left-lateralized fronto-parieto-temporal network underlying gesture performance. First evidence from structural imaging studies in schizophrenia corroborates these results. However, as of yet, it is unclear if cortical thic...

How does sign language compare with gesture, on the one hand, and spoken language on the other? Sign was once viewed as nothing more than a system of pictorial gestures without linguistic structure. More recently, researchers have argued that sign is no different from spoken language, with all of the same linguistic structures. The pendulum is currently swinging back toward the view that sign i...

Little work has been done on understanding the articulation patterns of users’ touch and surface gestures, despite the importance of such knowledge to inform the design of gesture recognizers and gesture sets for different applications. We report a methodology to analyze user consistency in gesture production, both between-users and within-user, by employing articulation features such as stroke...

Seventeen Ss were videotaped as they provided narrative descriptions of 13 photographs. Judgments from 129 naive untrained Ss were used to isolate 60 speech-related gestures and their lexical affiliates (i.e., the accompanying word or phrase judged as related in meaning) from these 221 narratives. A computer-video interface measured each gesture, and a 3rd group of Ss rated word familiarity of ...

The use of computers as Digital Musical Instruments (DMI) rises many problems due to the separation between gesture and sound production. However, computational power allows now for complex real-time analysis and gesture anticipation and recognition. We present here an interactive performance system for a percussionist playing in the air, with no physical percussion. Since the gesture sensors a...

In this paper The Advanced Encryption Standard was implemented with pure Hardware. However Field Programmable Gate Arrays (FPGAs) offer a more speed than existing implementations. This research investigates the AES algorithm with regard to 256 bits message length and 192 bits key length. In Spartan3 EDK we implemented the AES algorithm through pipelined architecture through the soft core proces...

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A genetic algorithm (GA) is an optimization algorithm that simulates the hereditary phenomenon of natural life. Although GA has been applied to image processing, it has not been studied to apply for matching hand gesture images. In this paper, a method to use GA for the matching process of hand gesture images expressing numbers is proposed. The processing algorithm including GA for hand gesture...

Gestures and speech interact. They are linked in language production and perception, with their interaction contributing to felicitous communication. The multifaceted nature of these interactions has attracted considerable attention from the speech and gesture community. This article provides an overview of our current understanding of manual and head gesture form and function, of the principle...