Тип публикации: доклад, тезисы доклада, статья из сборника материалов конференций
Конференция: Regional Problems of Earth Remote Sensing, RPERS 2019
Год издания: 2020
Идентификатор DOI: 10.1051/e3sconf/202014902010
Аннотация: Currently, digital images in the format Full HD (1920 ∗ 1080 pixels) and 4K (4096 ∗ 3072) are widespread. This article will consider the option of processing a similar image in the frequency domain. As an example, take a snapshot of the earth's surface. The discrete Fourier transform will be computed using a two-dimensional analoguПоказать полностьюe of the Cooley-Tukey algorithm and in a standard way by rows and columns. Let us compare the required number of operations and the results of a numerical experiment. Consider the examples of image filtering. © The Authors, published by EDP Sciences 2020.
Журнал: E3S Web of Conferences
Выпуск журнала: Vol. 149
ISSN журнала: 25550403
Издатель: EDP Sciences 02010