Zobrazeno 1 - 10
of 304
pro vyhledávání: '"B. Pesquet-Popescu"'
Publikováno v:
Journal of Microscopy. 216:110-122
Histopathological heterogeneity in cancer is a general concern. Breast carcinoma heterogeneity is now widely admitted as a source of histological grading imprecision and reproducibility problems. Classically, homogeneity is defined as equivalent to s
Autor:
G. Pau, B. Pesquet-Popescu
Publikováno v:
ICASSP (2)
In wavelet-based scalable video coding schemes, temporal interframe redundancy is exploited by applying a temporal wavelet transform along the motion trajectories. A spatial decomposition of the temporal subbands is further performed to take advantag
Autor:
G. Pau, B. Pesquet-Popescu
Publikováno v:
ICIP
Motion-compensated temporal filtering is an essential ingredient of recently developed wavelet-based scalable video coding schemes. Lifting implementation of these decompositions represents a versatile tool for spatio-temporal optimizations and numer
Autor:
P. Larzabal, B. Pesquet-Popescu
Publikováno v:
ICASSP
The problem of linear interpolation of nonstationary multidimensional processes with stationary increments is studied. The expressions for the interpolation filters and for the estimation error are derived, which generalize the results of the interpo
Autor:
P. Larzabal, B. Pesquet-Popescu
Publikováno v:
Proceedings of the IEEE Signal Processing Workshop on Higher-Order Statistics.
Self-similar processes have received increasing attention in the signal processing community, due to their wide applicability in modeling natural phenomena which exhibit "1/f" spectra and/or long-range dependence. On the other hand the wavelet decomp
Publikováno v:
ICIP (2)
We propose a separable decomposition approximating the Karhunen-Loeve transform for random fields. We show that this problem is related to a joint singular value decomposition of a set of matrices and we provide an efficient algorithm to compute it.
Autor:
B. Pesquet-Popescu, B. Felts
Publikováno v:
ICIP
We address the problem of context modeling and coding in the framework of a three dimensional wavelet-based video compression scheme with temporal filtering in the motion direction. Embedded coding algorithms based on a 3D decomposition (like the 3D
Publikováno v:
WCC 2000 - ICSP 2000. 2000 5th International Conference on Signal Processing Proceedings. 16th World Computer Congress 2000.
The aim of this work is to propose wavelet based estimators for the self-similarity and stability parameters of stable self-similar processes. These estimators are simple both conceptually and practically, consisting of linear fits performed on the w
Autor:
B. Pesquet-Popescu, P. Larzabal
Publikováno v:
Fractals in Engineering ISBN: 9781447112532
This work is concerned with non-stationary 2D fields having stationary increments. The classical fractional Brownian motion model is limited in some applications, since it is isotropic and depends on a single parameter (the Hurst coefficient H). We i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::819ad3068e580490fefd9e0141c96061
https://doi.org/10.1007/978-1-4471-0995-2_12
https://doi.org/10.1007/978-1-4471-0995-2_12