Wyniki wyszukiwania - BazTech

Ograniczanie wyników

Znaleziono wyników: 2

Liczba wyników na stronie

Wyniki wyszukiwania

Wyszukiwano:
w słowach kluczowych: statystyka uporządkowana

Sortuj według:

Ogranicz wyniki do:

Explicit expressions for moments of normal order statistics

Nadarajah S.

Demonstratio Mathematica

2007

Vol. 40, nr 3

575-579

For the first time, explicit closed form expressions are derived for moments of order statistics from the normal distribution.

Colour video filtering based on vector order-statistics

Lukac R., Smolka B., Bieda R., Budzan S.

Journal of Medical Informatics & Technologies

2003

Vol. 5

MI31--38

The paper introduces a multichannel filtering approach for colour video denoising taking advantage of an order-statistic theory for vector-valued image signals. The proposed adaptive vector filter utilizes switching between an identity operation and a directional distance smoothing function based on the trimmed set of lowest ranked multichannel samples. Because the proposed method uses the same ordering scheme as the standard vector filters, the computational complexity of the new method is computationally attractive. Moreover, the method outperforms the standard vector filters especially in terms of signal-detail preservation. In this paper, we analyse a three-dimensional filter structure based on a cube filter window spawning 27 samples of three following frames. Thus, the proposed algorithm can be applied for the filtering of spatio-temporal or time-varying vector-valued image signals such as colour image sequences or colour video.