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repositories = "Repositório do IPCB" > : "The World Scientific and Engineering Academy and Society" (x)
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Found 3 documents, displaying page 1 of 1

Evaluation of transform based image coders, using different transforms and techniques in the transform domain

Author(s) : Salvado, José , Roque, Bruno
Description : This paper addresses the most relevant aspects of lossy image coding techniques, and presents an evaluation study on this subject, using several transforms and different methods in the transform domain. We developed different transform based image coders/decoders (codecs) using different transforms,...
Repository : Repositório do IPCB
Language(s) : English

A comparative study on JPEG-Like and EZW based image Coders

Author(s) : Bruno, Roque , Salvado, José
Description : This paper presents a comparative study on image coders using the discrete cosine transform and the discrete wavelet transform, addressing in particular the JPEG-like and the EZW based image coders. We compare and evaluate the JPEG Baseline Image coder (using the DCT), a JPEG-like image coder based ...
Repository : Repositório do IPCB
Language(s) : English

A bluetooth-based Interactive system to improve relationships between actors in educational environments

Author(s) : Ribeiro, Fernando , Metrôlho, José , Costa, Mónica
Description : Nowadays there are a vast number of devices and technologies available for the common citizen to improve their communication with others. This fosters the design and implementation of systems that explore the available features of these devices. In this paper, we propose a Bluetooth-based interactiv...
Repository : Repositório do IPCB
Language(s) : English
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Found 3 documents, displaying page 1 of 1