computerized indexing: principles and methods

Principles of Computerized Tomographic Imaging

The total attenuation suffered by one beam of x-rays as it travels in a straight line through an object can be represented by a line integral. Combining a set of line integrals forms a projection. With the filtered back projection a three-dimensional reconstruction of the object can de made by using projections from different angles. The quality of a reconstructed image depends on the number of...

Principles of Guarded Structural Indexing

We present a new structural characterization of the expressive power of the acyclic conjunctive queries in terms of guarded simulations, and give a finite preservation theorem for the guarded simulation invariant fragment of first order logic. We discuss the relevance of these results as a formal basis for constructing so-called guarded structural indexes. Structural indexes were first proposed...

Principles and methods of dental nerve tissue regeneration : a review

Background and Aim  Today, tissue engineering is considered a significant approach in modern medicine, which is why research in biomaterials has focused on the development of advanced scaffolding for regenerative medicine.  Many natural and synthetic polymers with a variety of origins have been used to make these scaffolds or are recommended by researches. These compositions usually have the pr...

The Basic Principles of Metric Indexing

This chapter describes several methods of similarity search, based on metric indexing, in terms of their common, underlying principles. Several approaches to creating lower bounds using the metric axioms are discussed, such as pivoting and compact partitioning with metric ball regions and generalized hyperplanes. Finally, pointers are given for further exploration of the subject, including non-...

Principles and Methods of Diabetes Adaptation: Review Article

Any stimulus that enters one of the dimensions of a human being puts pressure on other dimensions as well. People are constantly faced with physical, social and psychological changes in the environment and must interact with them to adapt. Diabetes disrupts the bodychr('39')s biological and psychological interaction, requiring a person to adapt to the disease. The aim of the present study was t...

Imaging: Principles and Methods