325 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Academia Oamenilor de Știință din RomâniaRO6 papers
- Henan Polytechnic UniversityCN4 papers
- Universitatea Națională de Știință și Tehnologie Politehnica BucureștiRO4 papers
- Inner Mongolia University for NationalitiesCN3 papers
- Tiangong UniversityCN3 papers
- University of BelgradeRS3 papers
- Institut polytechnique de GrenobleFR1 paper
- Laboratoire d’Informatique et SystèmesFR1 paper
- Zhejiang Gongshang UniversityCN1 paper
14 papers
Gray Level Image Threshold Using Neutrosophic Shannon Entropy
Vasile Patrascu
This article presents a new method of segmenting grayscale images by minimizing Shannon's neutrosophic entropy. For the proposed segmentation method, the neutrosophic information c…
Extensions of the natural approach to refinements and generalizations of some trigonometric inequalities
Branko Malesevic, Tatjana Lutovac, Marija Rasajski +1
In this paper we propose a new method for sharpening and refinements of some trigonometric inequalities. We apply these ideas to some inequalities of Wilker-Cusa-Huygens's type.
The natural algorithmic approach of mixed trigonometric-polynomial problems
Tatjana Lutovac, Branko Malesevic, Cristinel Mortici
The aim of this paper is to present a new algorithm for proving mixed trigonometric-polynomial inequalities by reducing to polynomial inequalities. Finally, we show the great appli…
Accurate approximations of some expressions involving trigonometric functions
Marija Nenezic, Branko Malesevic, Cristinel Mortici
The aim of this paper is to apply an original computation method due to Malesevic and Makragic [5] to the problem of approximating some trigonometric functions. Inequalities of Wil…
Some inequalities for the trigamma function in terms of the digamma function
Feng Qi, Cristinel Mortici
In the paper, the authors establish three kinds of double inequalities for the trigamma function in terms of the exponential function to powers of the digamma function. These newly…
On the coefficients of an expansion of related to Carleman's inequality
Yue Hu, Cristinel Mortici
In this note, we present new properties for a sequence arising in some refinements of Carleman's inequality. Our results extend some results of Yang [Approximations for constant e…
On some convergences to the constant e and improvements of Carlemans' inequality
Cristinel Mortici, Hu Yue
We present inequalities and some applications to Kellers' limit and Carlemans' inequality.
A subtly analysis of Wilker inequality
Cristinel Mortici
The aim of this work is to improve Wilker inequalities near the origin and π/2.
Inequalities Becker-Stark at extreme points
Ling Zhu, Cristinel Mortici
The aim of this work is to extend Becker-Stark inequalities near the origin and π/2.
Asymptotic formulas and inequalities for gamma function in terms of tri-gamma function
Cristinel Mortici, Feng Qi
In the paper, the authors establish some asymptotic formulas and double inequalities for the factorial and the gamma function in terms of the tri-gamma function .
A survey on recent extensions of the Stirling formula
Sorinel Dumitrescu, Cristinel Mortici
We present a survey on recent results about Stirling's formula. More exactly, we reffer to a method using a form of Cesaro-Stolz lemma firstly introduced in [C. Mortici Product app…
Latter research on Euler-Mascheroni constant
Valentin Gabriel Cristea, Cristinel Mortici
In this work, we present a review and an example on some latter results on the problem of approximating the Euler-Mascheroni constant. We use the method firstly introduced in [C. M…
Some best approximation formulas and inequalities for Wallis ratio
Feng Qi, Cristinel Mortici
In the paper, the authors establish some best approximation formulas and inequalities for Wallis ratio. These formulas and inequalities improve an approximation formula and a doubl…
Very fast watermarking by reversible contrast mapping
Dinu Coltuc, Jean-Marc Chassery
Reversible contrast mapping (RCM) is a simple integer transform that applies to pairs of pixels. For some pairs of pixels, RCM is invertible, even if the least significant bits (LS…