218 search results - page 19 / 44 » Directional Discrete Cosine Transforms for Image Coding |
ICPR
2006
IEEE
14 years 7 months ago
2006
IEEE
This paper presents a new interaction technique for camera-enabled mobile devices. The handheld device can be used for writing just by moving the device. In our method, interframe...
ISMIS
2003
Springer
13 years 12 months ago
2003
Springer
Traffic sign recognition is a difficult task if we aim at detecting and recognizing signs in images captured from unfavorable environments. Complex background, weather, shadow, and...
3DIM
2005
IEEE
14 years 12 days ago
2005
IEEE
We compare two transform-based indexing methods for retrieval of 3D objects. We apply 3D Discrete Fourier Transform (DFT) and 3D Radial Cosine Transform (RCT) to the voxelized dat...
ICIP
2009
IEEE
14 years 7 months ago
2009
IEEE
This paper proposes a computationally efficient approach of adaptive directional wavelet transform (AD WT). The AD WT is based on lifting implementation of WT, and it is able to t...
ICIP
2006
IEEE
14 years 8 months ago
2006
IEEE
In a previous work, we proposed a new family of nonredundant geometrical image transforms using Hybrid Wavelets and Directional filter banks (HWD). In this paper we further develo...