1987 search results - page 61 / 398 » Directional filtering transform |
127
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ICIP
2003
IEEE
15 years 7 months ago
2003
IEEE
The Radon transform is able to transform two dimensional images with lines into a space of line parameters, where each line in the image will give a peak positioned at the corresp...
132
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JEI
2000
15 years 2 months ago
2000
The usefulness of the hit-miss transform (HMT) and related transforms for pattern matching in document image applications is examined. Although the HMT is sensitive to the types o...
155
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TMM
2008
15 years 2 months ago
2008
In this paper, we propose an approach to learning appearance models of moving objects directly from compressed video. The appearance of a moving object changes dynamically in vide...
129
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ICMLA
2009
15 years 9 days ago
2009
This article proposes an algorithm to automatically learn useful transformations of data to improve accuracy in supervised classification tasks. These transformations take the for...
106
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AMC
2010
15 years 2 months ago
2010
In this paper, we generalize the classical windowed Fourier transform (WFT) to quaternionvalued signals, called the quaternionic windowed Fourier transform (QWFT). Using the spect...