The construction of an ontology for a large domain still remains an hard human task. The process is sometimes assisted by software tools that facilitate some parts of the construction and evolution life-cycle. But they do not propose a methodology that considers the automation of the entire process. In this paper we present a method for deriving automatically an ontology. Then, we introduce Jan...

Automatic digital inpainting is a challenge but interesting research area. This demonstration presents a tool, which uses a color interpolation mechanism to restore damaged images. The mechanism checks the variation of pixel blocks and restores pixels using different strategies. We test more than 1000 images, including photos, paintings, and cartoon drawings. The proposed system is also availab...

IP-reuse allows designers to exploit already implemented and verified RTL IP cores while concentrating the main effort on their integration into the system, on other specific components implementation and on the SW development. In this context, this work presents A2T++, a tool for abstracting existent RTL IP cores aiming at two different targets: (i) automatic generation of SystemC TLM models, ...

The use of the UML specification language is very widespread due to some of its features. However, the ever more complex systems of today require modeling methods that allow errors to be detected in the initial phases of development. The use of formal methods make such error detection possible but the learning cost is high. This paper presents a tool which avoids this learning cost, enabling th...

This work presents directional radio channel measurements in the W-band using a commercial versatile channel sounder based on a vector network analyzer (VNA), capable of measuring scattering parameters from 75 to 500 GHz with frequency converters. The commercial setup has been modified by increasing the distance for one of the converters using precision coaxial cables and avoiding the use of am...

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Internally buffered multistage interconnection network (MIN) architectures have been widely used in parallel computer systems and large switching fabrics. Migration from electrical domain to optical domain has raised the necessity of developing node architectures with optical buffers. Cascaded optical delay line (COD) emulates output buffering in a 2x2 switching element. Two versions of COD are...

This paper presents an artificial neural network (ANN) based scheme for fault identification in power transformer protection. The proposed scheme is featured by the application of ANN to identifying system patterns, the unique choice of harmonics of positive sequence differential currents as ANN inputs, the effective handling of current transformer (CT) saturation with an ANN based approach, an...