The paper presents some results of the experiments with IEEE 1149.4 KLIC Test Chip in the area of active RC filters implemented in thick-film hybrid technology. The influence of analog boundary modules (ABMs) on circuit performance is analysed in the case study of active RC notch filter. INTRODUCTION In this paper we present some results of the experiments with IEEE 1149.4 KLIC Test Chip in the...

image (very few research reports about tracing eye-fundus blood vessels have appeared in the literature). Fig. 4 is the result of this tracing. Three blood vessels were tested, of which the trace starting points are labelled as A, B and C. When Figs. 3 and 4 are compared, the traced lines look fairly good. The crosses near D and G were processed :juccessfully, but the branches near E and F were...

Background subtraction is an important step used to segment moving regions in surveillance videos. Modern background subtraction techniques can handle gradual illumination changes but can easily be confused by rapid ones. In particular, varying illuminations cause significant changes in the representation of a scene in different spaces, which in turn results in the high levels of failure in suc...

The most significant feature of diagnostic medical images is to reduce Gaussian noise, and salt and pepper noise which is commonly found in medical images and make better image quality. In recent years, technological development has significantly improved analyzing medical imaging. This paper proposes different hybrid filtering techniques for the removal of Gaussian noise, and salt and pepper n...

At present, the filter theory of $BL$textit{-}algebras has been widelystudied, and some important results have been published (see for examplecite{4}, cite{5}, cite{xi}, cite{6}, cite{7}). In other works such ascite{BP}, cite{vii}, cite{xiii}, cite{xvi} a study of a filter theory inthe more general setting of residuated lattices is done, generalizing thatfor $BL$textit{-}algebras. Note that fil...

In this paper, we present a hybrid estimation framework (HEF) for multi-robot Cooperative Localization (CL) under time-varying, communication-bandwidth constraints. In the presence of severe communication constraints, robots can communicate only a quantized version of their analog measurements to the team. The HEF enables robots to process all available information, i.e., local analog measureme...

A new global optimization algorithm is presented and applied to the design of high-channel-count multichannel filters based on sampled Fiber Bragg Gratings. We focus on the realization of particular designs corresponding to multichannel filters that consist of 16 and 38 totally reflective identical channels spaced 100 GHz. The results are compared with those obtained by a hybrid genetic algorit...

Many applications can benefit from the use of pupil filters for controlling the light intensity distribution near the focus of an optical system. Most of the design methods for such filters are based on a second-order expansion of the Point Spread Function (PSF). Here, we present a new procedure for designing radially-symmetric pupil filters. It is more precise than previous procedures as it co...

Along the last years, the practical use of active filters to mitigate harmonics has been extended in electric power systems. Different configurations of series active filters versus shunt active filters have been proposed, among them, hybrid topologies which combine active and passive filters. Nevertheless, there is not any clear accordance about the most suitable configuration for each type of...

The generalized sampling theorem of Papoulis [1], states that a deterministic continuous-time bandlimited signal x t ( ) is uniquely determined from the outputs of M linear systems, sampled at 1 M the Nyquist rate. The concept of multi-channel sampling of Brown, formulates the same property in terms of M analysis and M synthesis analog filters constituting an analog filter bank [2]. In this for...