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We present a new approach for classifying MPEG-2 video sequences as dasiacartoonpsila, dasiacommercialpsila, dasiamusicpsila, dasianewspsila or dasiasportpsila by analyzing specific, high-level audio-visual features of consecutive frames in real-time. This is part of the well-known video-genre-classification problem, where popular TV-broadcast genres are studied. Such applications have also been discussed in the context of MPEG-7 [1]. In our method the extracted features are logically combined using a set of classifiers to produce a reliable recognition. The results demonstrate a high identification rate based on a large representative collection of 100 video sequences (20 sequences per genre) gathered from free digital TV-broadcasting in Europe.
In this paper we describe in detail the recent publications related to video-genre-classification and present our improved new approaches for classifying video sequences in real-time as 'cartoon', 'commercial', 'music', 'news' or 'sport' by analyzing the content with new high-level audio-visual descriptors and classification methods. Such applications have also been discussed in the context of MPEG-7. The results demonstrate identification rates of more than 90% based on a large representative collection of 100 videos gathered from free digital TV and Internet.
Wo genau liegt der technische Unterschied zwischen Fernsehern mit HD-ready und Full-HD? Welche Übertragungswege und Empfangsmöglichkeiten gibt es, und welche Zusatzgeräte brauchen die Verbraucher, um die verbesserte Bildqualität ihrer hochauflösenden TV-Geräte voll nutzen zu können? Und ist es wichtig, ob sich das Fernsehbild „progressiv“ oder „interlaced“ aufbaut? Antworten auf diese und weitere Fragen gibt die neue Publikation „HD-TV – Technologische Einblicke in das hochauflösende Fernsehen der Zukunft“.
Dr. Ronald Glasberg (Technische Universität Berlin) hat im Auftrag des BITKOM einen Leitfaden zu grundlegenden, technologischen Einblicken in das hochauflösende Fernsehen der Zukunft erstellt. Die Publikation weist die optionalen Übertragungswege via Terrestrik, Kabel, Satellit, Mobilfunk oder Internet auf. Vor allem die digitalen Übertragungswege ermöglichen dem Konsumenten viele Annehmlichkeiten wie zeitversetztes Fernsehen, Video-on-Demand, das Auffinden von Schlüsselbegriffen im laufenden Programm sowie zukünftig mehr Interaktivität.
It is often claimed that work opportunities decline with age, that hiring chances of older persons are poor. We investigate this by collecting questionnaire responses from personnel managers of German manufacturing firms, eliciting a hypothetical hiring decision based on three fictitious candidates. We rely on an age-neutral job and a small age-gap of 14 years between the youngest and the oldest candidate. The quasi-experimental design of the questionnaire allows us to control for possible productivity differences and other economic explanations for declining hiring chances. The data show a 60 percentage point difference in hiring probabilities between the youngest and oldest candidate.
Using a questionnaire and a sample of students and personnel managers we establish the existence of age discrimination in the hiring process in Germany and Norway. As expected, age discrimination is more prominent in Germany where the hiring probability of equally qualified applicants is reduced by about 22 percentage points due to an age differential of 14 years as opposed to only 12 percentage points in Norway. Within both countries the tendency to discriminate does not differ between students and personnel managers and does not depend on the age of the decision maker.