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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Implementace metriky pro hodnocení kvality videosekvencí / Implementation of a metric for video quality evaluation

Kachlík, Miloš January 2012 (has links)
The aim of this work is to create a program able to implement the metric CPqD-IES to evaluate the quality of video in system MATLAB. This metric is described in Recommendation ITU-R BT.1683 for objective video quality measurement techniques for standard definition digital broadcast television with presence of a full reference. Video quality assessment is calculated objective parameters based on image segmentation. Natural scenes are segmented into edge, plane and texture regions. Objective parameters are assigned to each of these contexts. The relationship between each objective parameter and a subjective impairment level is approximated by the logistic curve, which is resulting in an estimated impairment level for each parameter.
2

Modelo gerencial de mensuração do portfólio de patentes de um centro de pesquisa e desenvolvimento em telecomunicações

Adriano, Eunice 22 January 2014 (has links)
Made available in DSpace on 2016-03-15T19:32:49Z (GMT). No. of bitstreams: 1 Eunice Adriano.pdf: 2244459 bytes, checksum: 838e40fd1c845f52af560a24b22319f8 (MD5) Previous issue date: 2014-01-22 / The goal of this work is to propose a model for management measurement for the patent portfolio owned by a center for research and development in telecommunications. It features the concept of intellectual property, as it considers that seeing knowledge as a strategic tool for the organizations and the use they make of it in society show how important the information sector is for the economy of all countries. By presenting the question of patents and their value, it shows that building value and generating wealth is the ultimate foundation of Economic Science. As it proposes a model for analyzing the portfolio of patents, it rests on the assumption according to which a rational exploration of its protected patents will allow for a fair compensation for the efforts exerted and to recoup the investments incurred during the research. The work required for determining the valuation of a patent involves procedures similar to those deployed for analyzing any other types of ownership, that is, it is necessary to check if there are co-owners, the useful life of the patent, the cost of maintaining it, the objective of the patent holder as regards exploiting it, and which economic benefits are expected concerning the amount of return, time span covered and the risk associated with deriving those benefits, which would warrant identifying it as an intangible asset of one organization. We then focus attention on methods that can be used to determine the value of patent based in monetary benefits. The patent portfolio of a corporation may generate a significant value as long as it identifies valuable patents that do not afford adequate protection or those whose maintenance fees are not worth the cost. / Este trabalho propõe um modelo de mensuração gerencial do portfólio de patentes de um centro de pesquisa e desenvolvimento em telecomunicações. Para tanto, apresenta-se o conceito de propriedade intelectual, pois considera-se que a compreensão do conhecimento como ferramenta estratégica para as organizações e o seu uso do conhecimento na sociedade demonstra a importância do setor de informação para a economia de todos os países. Ao se expor a questão de Patentes o seu valor indica que a criação de valor ou geração de riqueza é o ponto fundamental da Ciência Econômica. Ao se propor um modelo de análise do portfólio de patentes, parte-se da premissa de que uma exploração racional e sob proteção permite encontrar uma justa remuneração dos esforços despedidos e recuperar os investimentos feitos durante a pesquisa. O trabalho requerido para valorar uma patente envolve procedimentos semelhantes aos utilizados para analisar qualquer outro tipo de propriedade, ou seja, faz-se necessário verificar se existem coproprietários, qual a vida útil, custo de manutenção, o objetivo do titular em explorá-lo e qual o benefício econômico esperado em termos de montante, tempo e risco associado com o recebimento desses benefícios, justificando-se identificá-la como ativo intangível de uma organização. Focou-se atenção no modelo que pode ser usado para determinar o valor da patente em função do benefício econômico esperado em termos monetários. O portfólio de patentes de uma empresa pode gerar um valor significativo através da identificação de patentes valiosas que estão inadequadamente protegidas ou daquelas que não justificam as taxas de manutenção.

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