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Sociedade Brasileira de Telecomunicações

2010 - VII International Telecommunications Symposium

Matrix Expansions for Computing the Discrete Hartley Transform

A new fast algorithm for computing the discrete Hartley transform (DHT) is presented, which is based on the expansion of the transform matrix. The algorith...

SBrT 2010

Analysing on the Quality of Head Tomographic Images with Power Intensity Variation

Tomography is a non-invasive exam technique that provides a great amount of visual information of virtually inaccessible areas of the body. This paper anal...

SBrT 2010

Analyzing the Propagation Features of the Texas eZ430-RF2500 Device

The Texas eZ430-RF2500 is a new device developed for wireless networking applications. This paper analyzes the propagation features of this device for the ...

SBrT 2010

Gunshot detection in noisy environments

Gunshot detection finds application in the fields of law enforcement, forensic science, and defense (military applications). The first task of a sniper det...

SBrT 2010

A New Deblurring Algorithm for Textual Document Images

Documents digitalized by portable cameras or flatbed scanners may exhibit some blurred areas. Most deblurring algorithms are hard to implement and slow. Of...

SBrT 2010