565 search results - page 26 / 113 » Extraction of Visual Features for Lipreading |
CVPR
2007
IEEE
14 years 1 months ago
2007
IEEE
We present the Conformal Embedding Analysis (CEA) for feature extraction and dimensionality reduction. Incorporating both conformal mapping and discriminating analysis, CEA projec...
IV
2000
IEEE
13 years 12 months ago
2000
IEEE
The proliferation of content-based image retrieval techniques has highlighted the need to understand the relationship between image clustering based on low-Ievel imagefeatures and...
DEXAW
2008
IEEE
14 years 2 months ago
2008
IEEE
Content based search in audio-visual collections requires media specific analysis for extracting low level features to be efficiently indexed and searched. We present the SAPIR ...
SPIESR
2004
13 years 9 months ago
2004
Evaluation in visual information retrieval is usually performed by executing test queries and calculating recall and precision based on predefined media collections and ground tru...
3DPVT
2006
IEEE
13 years 11 months ago
2006
IEEE
This paper presents a novel object recognition approach based on range images. Due to its insensitivity to illumination, range data is well suited for reliable silhouette extracti...