SUMMARYThis paper overviews some massively parallel topographic cellular computational approaches proposed for contour localization and tracking. When implemented on a focal plane cellular array microprocessor, these algorithms o er real-time object contour localization and tracking-even at very high frame rates. Three speciÿc methods (Constrained Wave Computing, Pixel Level Snakes and Moving Patch Method) will be described and compared along with their associated hardware-software architectures. Computational complexity, implementation, and performance related issues are discussed on a common platform (ACE-BOX with the ACEx CNN-UM chips). In conclusion, a novel architecture is proposed incorporating the best solutions learned from this comparative study.
How shall we render understandable the social-practical processes of software development? First, I am going to present the theory of Distributed Cognition (dCog), because, given its privileged position within Human-Computer-Interaction (HCI) literature, this is the most likely candidate for a philosophical theory of software development.Next, I am going to demonstrate with a case study that the processes, which I call hermeneutic activities, lie outside the domain of this theory. These hermeneutic episodes are characterized exactly by the lack of a commonly shared functional description level, but the existence of such a level is indispensable for the theses of dCog to hold. According to my argumentation, the hidden premise that assumes the existence of such a level is not only problematic, but is also inconsistent with the other theoretical roots of dCog. In order to see this, we have to turn our attention toward the practices of interpretation that are taking place in situated hermeneutic activities.In my analysis, I am going to lean on the other branch of dCog's theoretical roots, predominantly on the works of Suchman, Winograd, Dreyfus, and Norman.
This paper shows the relevance of hermeneutic philosophy to understand how infocommunication technologies frame our contemporary lifeworld. It demonstrates that the programming languages are the result of collective interpretations of the general lifeworld of programmers, management and political decision-makers. By having been inscribed into the processes of language use, this general interpretation permeates the particular practices of understanding that are possible within the language framework.
A nevelés terepei a pszichológus szemével [Vajda Zsuzsanna - Kósa Éva: Neveléslélektan] (Buda Béla) Tükörben az emlékezet tükre [Douwe Draaisma: A metaforamasina. Az emlékezés egyik lehetséges története] (Simon Eszter) Ne hagyja figyelmen kívül! [Czigler István: A figyelem pszichológiája] (Vidnyánszky Zoltán) Logikai csoportosulatok: egyén és társadalom [Jean Piaget: Szociológiai tanulmányok] (Vajda Zsuzsanna) A pszichológia múltjáról [Pléh Csaba - Győri Miklós (szerk.): Olvasmányok a kísérleti pszichológia történetéből] (Binzberger Viktor) Új-ság a reprezentációról [László János - Kállai János - Bereczkei Tamás: A reprezentáció szintjei] (Takács Endre) A klinikusok panorámája: több szemmel [Timothy J. Trull - E. Jerry Phares: Klinika pszichológia. Elmélet, módszertan és hivatás] (Bagdy Emőke) (Hámori Eszter)(Kállai János)(Pohárnok Melinda)
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