A new algorithm for transforming a color image into a grayscale one is proposed. The algorithm accurately preserves the contrast range at the all image boundaries. Another application of the algorithm is visualization of vector fields. INTRODUCTION The need for proceeding from a more informative multicomponent image to a less informative singlecomponent one arises in a number of situations. Fir...

the effect of some treatments including preserving solution (20g l-1 sucrose plus 200 ppm 8-hqs), ba and tdz (pulse or spray) with preserving solution were evaluated on senescence parameters and vase life of rose cut flowers cv. red gant. preserving solution, applying 25 mm ba with preserving solution increased solution absorbance, and prevented the cut flowers from getting decreased in relativ...

In this work, the issue of computing a real logarithm of a real matrix is addressed. After a brief review of some known methods, more attention is paid to three methods: (i) Padé approximation techniques, (ii) Newton’s method, and (iii) a series expansion method. Newton’s method has not been previously treated in the literature; we address commutativity issues, and simplify the algorithmic form...

We prove that an extension of an invertible, multiply-recurrent infinite measure preserving transformation is also multiply-recurrent.

Micro data is a valuable source of information for research. However, publishing data about individuals for research purposes, without revealing sensitive information, is an important problem. The main objective of privacy preserving data mining algorithms is to obtain accurate results/rules by analyzing the maximum possible amount of data without unintended information disclosure. Data sets fo...

Technological, economical, cultural, and political changes constantly lead to new opportunities and challenges in today’s highly dynamic business environment. Increasingly, modern enterprises leverage the strategic instrument of Mergers and Acquisitions (M&A) to seize these tempting opportunities and adapt to the altering market conditions. As Information Technology (IT) penetrates the business...

Defunctionalization is a program transformation that eliminates functions as first-class values. We show that defunctionalization can be viewed as a type-preserving transformation of an extension of System F with guarded algebraic data types into itself. We also suggest that defunctionalization is an instance of concretization, a more general technique that allows eliminating constructs other t...

A criterion of joint ergodicity of several sequences of transformations of a probability measure space X of the form T φi(n) i is given for the case where Ti are commuting measure preserving transformations of X and φi are integer valued generalized linear functions, that is, the functions formed from conventional linear functions by an iterated use of addition, multiplication by constants, and...