108 search results - page 3 / 22 » Image quantization under spatial smoothness constraints |
ICIP
2005
IEEE
14 years 6 months ago
2005
IEEE
We propose a high-performance, nonlinear, loop filter that reduces quantization noise over video frames composed of locally uniform regions (smooth, high frequency, texture, etc.)...
ICIP
2001
IEEE
14 years 6 months ago
2001
IEEE
In this paper we propose a new watermarking technique where the watermark is embedded according to two keys. The first key is used to embed a code bit in a block of pixels. The se...
CVPR
2008
IEEE
14 years 7 months ago
2008
IEEE
A new hierarchical Bayesian model is proposed for image segmentation based on Gaussian mixture models (GMM) with a prior enforcing spatial smoothness. According to this prior, the...
MICCAI
2007
Springer
14 years 6 months ago
2007
Springer
Non-rigid image registration is an ill-posed yet challenging problem due to its supernormal high degree of freedoms and inherent requirement of smoothness. Graph-cuts method is a p...
ICPR
2006
IEEE
14 years 6 months ago
2006
IEEE
A new method for noise reduction using spatiotemporal smoothing is presented in this paper. The method is developed especially for reducing the noise that arises when acquiring vi...