218 search results - page 22 / 44 » Directional Discrete Cosine Transforms for Image Coding |
ICMCS
2000
IEEE
13 years 11 months ago
2000
IEEE
One fundamental problem with streaming video data over unreliable IP networks is that packets may be dropped or arrive too late for real-time playback. Traditional error-control s...
TCSV
2008
13 years 6 months ago
2008
This paper presents a 3-D shape-adaptive directional wavelet coding technique for object-based scalable video coding. This technique includes 3-D object-based directional threading...
TIFS
2008
13 years 6 months ago
2008
This paper presents two vector watermarking schemes that are based on the use of complex and quaternion Fourier transforms and demonstrates, for the first time, how to embed waterm...
PG
1997
IEEE
13 years 11 months ago
1997
IEEE
In this paper, we present a new scheme of data representation for image-based objects. It allows the illumination to be changed interactively without knowing any geometrical infor...
ICIP
2001
IEEE
14 years 8 months ago
2001
IEEE
Shift variance and poor directional selectivity, two major disadvantages of the discrete wavelet transform, have previously been circumvented either by using highly redundant, non...