401 search results - page 6 / 81 » Extracting image orientation feature by using integration op... |
SPIESR
1997
13 years 8 months ago
1997
The development of increasingly complex multimedia applications calls for new methodologies for the organization and retrieval of still images and video sequences. Query and retri...
3DIM
2007
IEEE
14 years 1 months ago
2007
IEEE
In this paper we propose a method to determine the exterior orientation of each frame of an intensity image sequence using prior knowledge of the scene stored in a pointbased envi...
ICASSP
2009
IEEE
14 years 2 months ago
2009
IEEE
Local features are widely used for content-based image retrieval and object recognition. We present an efficient method for encoding digital images suitable for local feature extr...
ICIP
2006
IEEE
14 years 9 months ago
2006
IEEE
We propose an integral image based algorithm to extract feature covariance matrices of all possible rectangular regions within a given image. Covariance is an essential indicator ...
CVPR
2004
IEEE
13 years 11 months ago
2004
IEEE
Automatic image orientation detection for natural images is a useful, yet challenging research area. Humans use scene context and semantic object recognition to identify the corre...