Block-based noise estimation using adaptive Gaussian filtering

DH Shin, RH Park, S Yang… - IEEE Transactions on …, 2005 - ieeexplore.ieee.org
This paper proposes a fast noise estimation algorithm using a Gaussian filter. It is based on
block-based noise estimation, in which an input image is assumed to be contaminated by …

Fast and reliable structure-oriented video noise estimation

A Amer, E Dubois - IEEE Transactions on Circuits and Systems …, 2005 - ieeexplore.ieee.org
Noise can significantly impact the effectiveness of video processing algorithms. This paper
proposes a fast white-noise variance estimation that is reliable even in images with large …

Reliable and fast structure-oriented video noise estimation

A Amer, A Mitiche, E Dubois - … . International Conference on …, 2002 - ieeexplore.ieee.org
The purpose of this paper is to introduce a fast automated white-noise estimation method
which gives reliable estimates in images with smooth and textured areas. This method is a …

[PDF][PDF] Проблема подавления шума на изображениях и видео и различные подходы к ее решению

Д Калинкина, Д Ватолин - Компьютерная графика и …, 2005 - masters.donntu.ru
cgm. computergraphics. ru/content/view/74 2/30 описания изображенных объектов. Цели
распознавания могут быть разными: как выделение отдельных элементов на …

An algorithm for integrated noise reduction and sharpness enhancement

OA Ojo, TG Kwaaitaal-Spassova - IEEE Transactions on …, 2000 - ieeexplore.ieee.org
Noise reduction and image sharpening are techniques to improve video image quality.
However, noise filters tend to blur image detail, while filters for image sharpening tend to …

Perception adaptive temporal tv-noise reduction using contour preserving prefilter techniques

K Jostschulte, A Amer, M Schu… - IEEE Transactions on …, 1998 - ieeexplore.ieee.org
The reduction of Gaussian noise is still an important task in video systems. For this purpose
a spatio-temporal noise reduction scheme for interlaced video is presented. It consists …

Television noise reduction IC

G De Haan, TG Kwaaitaal-Spassova… - IEEE Transactions …, 1998 - ieeexplore.ieee.org
A noise reduction IC for consumer television has been designed. The IC contains a spatial
filter for Gaussian noise and a temporal filter for clamp noise. To reduce clamp noise, the …

Structure-oriented spatio-temporal video noise estimation

M Ghazal, A Amer, A Ghrayeb - 2006 IEEE International …, 2006 - ieeexplore.ieee.org
Noise can highly impact the performance of video processing algorithms. This paper
proposes a new real-time spatio-temporal method for estimating the noise variance in video …

Memory integrated noise reduction IC for television

G De Haan, TG Kwaaitaal-Spassova… - IEEE transactions on …, 1996 - ieeexplore.ieee.org
Because television sets are often used in areas where the reception conditions are less than
optimal, the inclusion of a noise reduction filter in the receiver adds an attractive feature. A …

A subband based spatio-temporal noise reduction technique for interlaced video signals

Jostschulte, Amer, Schu… - … 1998 Conference on …, 1998 - ieeexplore.ieee.org
The reduction of gaussian noise is still an important task in video systems. The presented
scheme consists mainly of a subband based recursive temporal filter adapted to special …