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- W2295536787 abstract "The discrete cosine transform (DCT) due to its excellent properties that the images can be represented in spatial/spatial-frequency domains, has been applied in sequence data analysis and image fusion. For intensity and range images of ladar, through the DCT using one dimension window, the statistical property of Renyi entropy for images is studied. We also analyzed the change of Renyi entropy’s statistical property in the ladar intensity and range images when the man-made objects appear. From this foundation, a novel method for generating saliency map based on DCT and Renyi entropy is proposed. After that, ground target detection is completed when the saliency map is segmented using a simple and convenient threshold method. For the ladar intensity and range images, experimental results show the proposed method can effectively detect the military vehicles from complex earth background with low false alarm." @default.
- W2295536787 created "2016-06-24" @default.
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- W2295536787 date "2016-01-26" @default.
- W2295536787 modified "2023-10-14" @default.
- W2295536787 title "Ground target detection based on discrete cosine transform and Rényi entropy for imaging ladar" @default.
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- W2295536787 doi "https://doi.org/10.1117/12.2229387" @default.
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