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ICASSP
2010
IEEE
13 years 8 months ago
No-reference image sharpness assessment based on local phase coherence measurement
Sharpness is one of the most determining factors in the perceptual assessment of image quality. Objective image sharpness measures may play important roles in the design and optim...
Rania Hassen, Zhou Wang, Magdy Salama
CVPR
2008
IEEE
14 years 10 months ago
Unsupervised estimation of segmentation quality using nonnegative factorization
We propose an unsupervised method for evaluating image segmentation. Common methods are typically based on evaluating smoothness within segments and contrast between them, and the...
Roman Sandler, Michael Lindenbaum
CCIA
2005
Springer
13 years 10 months ago
Multispectral Image Segmentation for Fruit Quality Estimation
An unsupervised segmentation algorithm based on a multiresolution method is presented. This method uses variational functions as a segmentation criterion. The algorithm has been ap...
Adolfo Martínez Usó, Filiberto Pla, ...
ICMCS
2010
IEEE
191views Multimedia» more  ICMCS 2010»
13 years 7 months ago
Disparity-compensated compressed-sensing reconstruction for multiview images
In a multiview-imaging setting, image-acquisition costs could be substantially diminished if some of the cameras operate at a reduced quality. Compressed sensing is proposed to ef...
Maria Trocan, Thomas Maugey, James E. Fowler, B&ea...
ACIVS
2005
Springer
14 years 2 months ago
Flexible Storage of Still Images with a Perceptual Quality Criterion
The purpose of the paper is to introduce a new method for flexible storage of still images. The complete design of the system is described with the scalable encoding, the distorti...
Vincent Ricordel, Patrick Le Callet, Mathieu Carne...