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Publikováno v:
ICIP
This paper presents a novel non-local iterative back-projection (NLIBP) algorithm for image enlargement. The iterative back-projection (IBP) technique iteratively reconstructs a high resolution (HR) image from its blurred and downsampled low resoluti
Publikováno v:
ICIP
Parallel magnetic resonance imaging (pMRI) relying on multiple receiver coils has emerged as a powerful 3D imaging technique for reducing scanning time or increasing spatial or temporal resolution. The acquired k-space is subsampled, and full Field o
Publikováno v:
ICIP
This paper presents a novel local image descriptor for dense wide-baseline matching purposes, coined SULD (Speeded-Up Local Descriptor). SULD approximates or even outperforms than previously proposed schemes such as SURF and DAISY, and can be compute
Autor:
Pier Luigi Dragotti, Adam Scholefield
Publikováno v:
ICIP
Techniques based on sparse and redundant representations are at the heart of many state of the art denoising and deconvolution algorithms. A very sparse representation of piecewise polynomial images can be obtained by using a quadtree decomposition t
Publikováno v:
ICIP
We present a new statistical shape-from-shading framework for images of unknown illumination. The object (e.g., face) to be reconstructed is described by a parametric model. To deal with arbitrary illumination, the framework makes use of recent resul
Publikováno v:
ICIP
In this paper, we revisit the manifold assumption which has been widely adopted in the learning-based image super-resolution. The assumption states that point-pairs from the high-resolution manifold share the local geometry with the corresponding low
Autor:
Qing Wang, Xiaoli Song
Publikováno v:
ICIP
Accurate registration of the low resolution (LR) images is a critical step in image super resolution reconstruction (SRR). Conventional algorithms always use invariable motion parameters derived from registration algorithms, and carry on SRR without
Autor:
Laurent Condat
Publikováno v:
ICIP
Actes de IEEE ICIP
Actes de IEEE ICIP, Nov 2009, Le Caire, Egypt. pp.1625-1628, ⟨10.1109/ICIP.2009.5413388⟩
Actes de IEEE ICIP
Actes de IEEE ICIP, Nov 2009, Le Caire, Egypt. pp.1625-1628, ⟨10.1109/ICIP.2009.5413388⟩
International audience; We propose a method to demosaick images acquired with a completely arbitrary color filter array (CFA).We adopt a variational approach where the reconstructed image has maximal smoothness under the constraint of consistency wit
Publikováno v:
ICIP
We introduce a framework for face recognition at a distance based on sparse-stereo reconstruction. We develop a 3D acquisition system that consists of two CCD stereo cameras mounted on pan-tilt units with adjustable baseline. We first detect the faci
Publikováno v:
ICIP
For the first time, we demonstrate modulation domain image filters that achieve perceptually motivated image processing goals by directly manipulating the FM functions in a multi-component AM-FM image model. The action of previous modulation domain f