1731 search results - page 18 / 347 » AM-FM image filters |
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
The paper contains comparisons of lower bound (potential) and achieved efficiency for filtering grayscale and color images corrupted by AWGN. It is demonstrated that for complex s...
ISW
2000
Springer
13 years 11 months ago
2000
Springer
Abstract. Two robust spatial-domain watermarking algorithms for image copyright protection are described in this paper. The first one is robust against compression, filtering and c...
ICIP
2003
IEEE
14 years 9 months ago
2003
IEEE
This paper presents a fast algorithm for detecting facial parts such as nose, eyes and lips in an image by using lifting dyadic wavelet filters. Free parameters in the lifting fil...
ICIAP
1995
ACM
13 years 11 months ago
1995
ACM
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...
CSCW
1998
ACM
14 years 5 days ago
1998
ACM
Media space applications that promote informal awareness in an organization confront an inevitable paradox: the shared video connections between offices and rooms that promote inf...