Sciweavers

53 search results - page 4 / 11
» Median Filtering of Tensor-Valued Images
Sort
View
ICIP
1995
IEEE
14 years 7 months ago
Ultrasound speckle reduction by directional median filtering
Richard N. Czerwinski, Douglas L. Jones, William D...
ISCAS
1999
IEEE
120views Hardware» more  ISCAS 1999»
13 years 10 months ago
Vector median-rational hybrid filters for multichannel image processing
In this letter, a new class of nonlinear filters called vector median-rational hybrid filters (VMRHF's) for multispectral image processing is introduced and applied to the col...
Lazhar Khriji, Moncef Gabbouj
MEDIAFORENSICS
2010
13 years 7 months ago
On detection of median filtering in digital images
In digital image forensics, it is generally accepted that intentional manipulations of the image content are most critical and hence numerous forensic methods focus on the detecti...
Matthias Kirchner, Jessica J. Fridrich
FPL
2007
Springer
140views Hardware» more  FPL 2007»
14 years 13 days ago
An area-efficient alternative to adaptive median filtering in FPGAs
This paper presents a new approach to the FPGA implementation of image filters which are utilized to remove the saltand-pepper noise of high intensity (up to 70% of corrupted pix...
Zdenek Vasícek, Lukás Sekanina
ICIAP
1995
ACM
13 years 9 months ago
Estimation of Curvature and Tangent Direction by Median Filtered Differencing
We present a new method, median filtered differencing, for estimation of tangentdirection and curvature of digitised curves. On three synthetic examples and two images we show the...
Jiri Matas, Z. Shao, Josef Kittler