2323 search results - page 222 / 465 » Image based flow visualization |
162
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IJCV
2010
15 years 4 months ago
2010
This article improves recent methods for large scale image search. We first analyze the bag-of-features approach in the framework of approximate nearest neighbor search. This lea...
169
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TIP
2002
15 years 6 months ago
2002
This paper presents a discrete cosine transform (DCT)-based locally adaptive perceptual image coder, which discriminates between image components based on their perceptual relevanc...
186
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IEEEVAST
2010
15 years 1 months ago
2010
Data sets in astronomy are growing to enormous sizes. Modern astronomical surveys provide not only image data but also catalogues of millions of objects (stars, galaxies), each ob...
134
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ISER
2004
Springer
15 years 11 months ago
2004
Springer
In this paper, we propose an autonomous precision landing method for an unmanned helicopter based on an on-board visual navigation system consisting of a single pan-tilting camera,...
164
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IJCNN
2000
IEEE
15 years 10 months ago
2000
IEEE
: A system for learning the pre-grasp positioning task for a robot manipulator is presented. The images delivered from a gripper mounted camera are analysed using Gabor filters wh...