26 search results - page 2 / 6 » A non-linear dimensionality-reduction technique for fast sim... |
ICDE
2002
IEEE
13 years 11 months ago
2002
IEEE
We consider the use of wavelet transformations as a dimensionality reduction technique to permit efficient similarity search over high-dimensional time-series data. While numerou...
ADC
2007
Springer
13 years 10 months ago
2007
Springer
With the explosion of video data, video processing technologies have advanced quickly and been applied into many fields, such as advertisements, medical etc.. To fast search these...
VLDB
2007
ACM
14 years 6 months ago
2007
ACM
Similarity-based search over time-series databases has been a hot research topic for a long history, which is widely used in many applications, including multimedia retrieval, dat...
SIGMOD
1997
ACM
13 years 10 months ago
1997
ACM
Most similarity search techniques map the data objects into some high-dimensional feature space. The similarity search then corresponds to a nearest-neighbor search in the feature...
ICIP
2003
IEEE
14 years 7 months ago
2003
IEEE
Video signatures are compact representations of video sequences designed for efficient similarity measurement. In this paper, we propose a feature extraction technique to support ...