Informace o publikaci

Efficient Computation of Convolution of Huge Images

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SVOBODA David

Rok publikování 2011
Druh Článek ve sborníku
Konference Image Analysis and Processing - ICIAP 2011
Fakulta / Pracoviště MU

Fakulta informatiky

Citace
Obor Využití počítačů, robotika a její aplikace
Klíčová slova Convolution; Fast Fourier Transform; Divide-et-Impera
Popis In image processing, convolution is a frequently used operation. It is an important tool for performing basic image enhancement as well as sophisticated analysis. Naturally, due to its necessity and still continually increasing size of processed image data there is a great demand for its efficient implementation. The fact is that the slowest algorithms (that cannot be practically used) implementing the convolution are capable of handling the data of arbitrary dimension and size. On the other hand, the fastest algorithms have huge memory requirements and hence impose image size limits. Regarding the convolution of huge images, which might be the subtask of some more sophisticated algorithm, fast and correct solution is essential. In this paper, we propose a fast algorithm implementing exact computation of the shift invariant convolution over huge multi-dimensional image data.
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