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» Extracting moving regions from spatial data
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FOCS
2003
IEEE
14 years 27 days ago
Quantum Search of Spatial Regions
: Can Grover’s algorithm speed up search of a physical region—for example a 2-D grid of size √ n × √ n? The problem is that √ n time seems to be needed for each query, j...
Scott Aaronson, Andris Ambainis
IGARSS
2010
13 years 5 months ago
Spatial preprocessing for endmember extraction using unsupervised clustering and orthogonal subspace projection concepts
In this paper, we develop a new spatial preprocessing strategy which can be applied prior to a spectral-based endmember extraction process for unmixing of hyperspectral data. Our ...
Gabriel Martin, Antonio J. Plaza
ICPR
2004
IEEE
14 years 8 months ago
Extracting a Gaze Region with the History of View Directions
We propose a method for extracting a gaze region from an observed image by analyzing human's view directions and image information. The view direction of the user, which is r...
Norimichi Ukita, Akihito Sakakihara, Masatsugu Kid...
PAKDD
2009
ACM
263views Data Mining» more  PAKDD 2009»
14 years 2 months ago
Spatial Weighting for Bag-of-Visual-Words and Its Application in Content-Based Image Retrieval
It is a challenging and important task to retrieve images from a large and highly varied image data set based on their visual contents. Problems like how to fill the semantic gap b...
Xin Chen, Xiaohua Hu, Xiajiong Shen
MVA
1998
134views Computer Vision» more  MVA 1998»
13 years 9 months ago
Orientation and Scale Invariant Text Region Extraction in WWW Images
Text extraction from a web image is important for web indexing because the text can contain a key information of the web. This paper presents a method to detect a text with variou...
Taehoon Park, Dongsung Kim, Kyusik Chung