bainitic transformation at low transformation temperatures leads to a microstructure involving fine plates of bainitic ferrite and thin films of retained austenite. this microstructure has shown ultimate tensile strength of about 2.2 gpa, noticeable uniform elongation in the range of 5 to 30%, hardness values of about 600 to 670 hv and impact toughness in the range of 30 to 40 mpa m1/2. with ca...

In this paper, efficient one-dimensional (1-D) fast integer transform algorithms of the DCT matrix for the H.265 standard is proposed. Based on the symmetric property of the integer transform matrix and the matrix operations, which denote the row/column permutations and the matrix decompositions, along with using the dyadic symmetry modification on the standard matrix, the efficient fast 1-D in...

The use of signal models is one of the key factors enabling us to establish high quality signal transformation algorithms with intuitive high level control parameters. In the present article we will discuss signal models, and the signal transformation algorithms that are based on these models, in relation to the physical properties of the sound source and the properties of human sound perceptio...

Reusability is one of the principal software quality factors. In the context of model driven development (MDD), reuse of model transformations is also considered a key activity to achieve productivity and quality. It is necessary to devote important research efforts to find out appropriate reusability mechanisms for transformation tools and languages. In this paper we present two approaches for...

Model driven software development is about treating models as first class design entities and thereby raising the level of abstraction in software development. A model is a simplified image of a system and, further, model transformation means converting one model to another model of the same system. Transformation is a key to model driven development while automation of transformation is one of...

Object transformation for preservation purposes is currently a hit-ormiss affair, where errors in transformation may go unnoticed for years since manual quality assurance is too resource-intensive for large collections of digital objects. We propose an approach of semi-automatic quality assurance (QA), where numerous separate automatic checks of “aspects” of the objects, combined with manual in...