periodic noises are unwished and spurious signals that create repetitive pattern on images and decreased the visual quality. firstly, this paper investigates various methods for reducing the effects of the periodic noise in digital images. then an adaptive optimum notch filter is proposed. in the proposed method, the regions of noise frequencies are determined by analyzing the spectral of noisy...

This book is especially designed to help those beginning work in junior trail11"! j centres. The need for one has long been felt and the book is brief, simple, warmhear , | and encouraging, dealing in an understanding way with the problems of both teachers a j children. New teachers will also find the chapters on subnormality and on phys'c handicaps most useful. ^ Inexplicably, the chapters on ...

Teacher education philosophy plays an important role in enhancing the teachers’ awareness of the practices particularly in the context of English as a Foreign Language (EFL). This study meant to observe the possible effect of the awareness of teacher education philosophy on EFL teachers’ professional skill in the light of Kumaravadivelu’s postmethod parameters, tapping teachers’ gender, academi...

This is an excellent text book for teachers and other professional workers concerned with the education of the mentally handicapped. It deals mainly with "special class" teaching which is equivalent to teaching in schools and classes for educationally subnormal pupils in this country. It would also however have particular value for teachers of older children and adults in Occupation Centres. A ...

Founded by eight secondary English teachers in Seoul in the summer of 1988, the Korean English Teachers’ Group (KETG) started as a professional book discussion group. Its first ‘office’ was a small coffee table in the living room of a female teacher’s home. The teachers gathered over the weekend and discussed professional books or sets of articles mainly focused on educational philosophy and so...

ICT has been widely used in primary education to vocational schools, but has not been so clearly integrate ICT in the learning process. While the teacher is the key to the effective use of ICT processed. This paper reports a study of surveys that examine the perspective of vocational school teachers. Current research aims to examine a vocational school teacher knowledge about ICT and support fo...

Presenilins were first discovered as sites of missense mutations responsible for early-onset Alzheimer disease (AD). The encoded multipass membrane proteins were subsequently found to be the catalytic components of γ-secretases, membrane-embedded aspartyl protease complexes responsible for generating the carboxyl terminus of the amyloid β-protein (Aβ) from the amyloid protein precursor (APP). T...

This paper proposes a novel stereo vision technique for top view book scanners which provide us with dense 3d point clouds of page surfaces. This is a precondition to dewarp bound volumes independent of 2d information on the page. Our method is based on algorithms, which normally require the projection of pattern sequences with structured light. We use image sequences of the moving stripe light...

Many have questioned the reliability and accuracy of Wikipedia. Here a different issue, but one closely related: how broad is the coverage of Wikipedia? Differences in the interests and attention of Wikipedia’s editors mean that some areas, in the traditional sciences, for example, are better covered than others. Two approaches to measuring this coverage are presented. The first maps the distri...