160 search results - page 14 / 32 » On the diagonalization of the discrete Fourier transform |
3DIM
2005
IEEE
14 years 1 months 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...
FPGA
2006
ACM
13 years 11 months ago
2006
ACM
This paper presents an equation-based resource utilization model for automatically generated discrete Fourier transform (DFT) soft core IPs. The parameterized DFT IP generator all...
CVPR
2010
IEEE
13 years 8 months ago
2010
IEEE
We present a simple, fast, and effective method to detect defects on textured surfaces. Our method is unsupervised and contains no learning stage or information on the texture bei...
CSIE
2009
IEEE
14 years 2 months ago
2009
IEEE
In this paper, a digital image watermarking technique based on Discrete Wavelet Transform (DWT) will be proposed. This scheme is designed utilizing principles deriving from the hu...
ICDE
1999
IEEE
14 years 8 months ago
1999
IEEE
Time series stored as feature vectors can be indexed by multidimensional index trees like R-Trees for fast retrieval. Due to the dimensionality curse problem, transformations are ...