Digital image enhancement and noise filtering by use of local statistics
JS Lee - IEEE transactions on pattern analysis and machine …, 1980 - ieeexplore.ieee.org
Computational techniques involving contrast enhancement and noise filtering on two-
dimensional image arrays are developed based on their local mean and variance. These …
dimensional image arrays are developed based on their local mean and variance. These …
Contrast enhancement using the Laplacian-of-a-Gaussian filter
F Neycenssac - CVGIP: Graphical Models and Image Processing, 1993 - Elsevier
A method of contrast enhancement for digital images is provided. As the method uses the
LoG (Laplacian-of-a-Gaussian) filter, it is not significantly sensitive to noise. It is easy to …
LoG (Laplacian-of-a-Gaussian) filter, it is not significantly sensitive to noise. It is easy to …
Refined filtering of image noise using local statistics
JS Lee - Computer graphics and image processing, 1981 - Elsevier
An effective algorithm for digital image noise filtering is presented in this paper. Mostnoise
filtering techniques such as Kalman filter and transform domain methods require extensive …
filtering techniques such as Kalman filter and transform domain methods require extensive …
Digital image smoothing and the sigma filter
JS Lee - Computer vision, graphics, and image processing, 1983 - Elsevier
A conceptually simple but effective noise smoothing algorithm is described. This filter is
motivated by the sigma probability of the Gaussian distribution, and it smooths the image …
motivated by the sigma probability of the Gaussian distribution, and it smooths the image …
Automatic contrast enhancement of low-light images based on local statistics of wavelet coefficients
This paper describes a new method for contrast enhancement in images and image
sequences of low-light or unevenly illuminated scenes based on statistical modelling of …
sequences of low-light or unevenly illuminated scenes based on statistical modelling of …
Non-local means denoising
We present in this paper a new denoising method called non-local means. The method is
based on a simple principle: replacing the color of a pixel with an average of the colors of …
based on a simple principle: replacing the color of a pixel with an average of the colors of …
Adaptive contrast enhancement and de-enhancement
L Dash, BN Chatterji - Pattern Recognition, 1991 - Elsevier
Two different interpolative schemes for adaptive contrast enhancement have been
presented for speeding up the contrast enhancement algorithm proposed by Beghdadi and …
presented for speeding up the contrast enhancement algorithm proposed by Beghdadi and …
A separable median filter for image noise smoothing
PM Narendra - IEEE Transactions on Pattern Analysis and …, 1981 - ieeexplore.ieee.org
This paper investigates some properties of the separable filter resulting from successive
applications of a one-dimensional median filter on the rows and columns of an image …
applications of a one-dimensional median filter on the rows and columns of an image …
Adaptive filters for digital image noise smoothing: An evaluation
GA Mastin - Computer Vision, Graphics, and Image Processing, 1985 - Elsevier
Six adaptive noise filtering algorithms were implemented and evaluated. There are (1)
median filtering,(2) K-nearest neighbor averaging,(3) gradient inverse weighted …
median filtering,(2) K-nearest neighbor averaging,(3) gradient inverse weighted …
関連 キーワード
- digital image enhancement
- noise filtering image enhancement
- local statistics image enhancement
- wavelet coefficients contrast enhancement
- sigma filter image smoothing
- noise filtering local statistics
- local statistics contrast enhancement
- local statistics image noise
- local statistics refined filtering
- local statistics wavelet coefficients
- refined filtering of image noise