New noise-containing remote sensing image segmentation method

The invention provides a noise-containing remote sensing image segmentation algorithm which is based on wavelet packet analysis and is combined with improved 2D otsu, aiming at improving noise-containing image segmentation accuracy. The algorithm includes that firstly wavelet packet is used for deco...

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Main Authors JIA ZHENHONG, ZHOU TONGCHI, LIU WENJING
Format Patent
LanguageChinese
English
Published 24.11.2010
Subjects
CALCULATING
COMPUTING
COUNTING
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
PHYSICS
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Abstract The invention provides a noise-containing remote sensing image segmentation algorithm which is based on wavelet packet analysis and is combined with improved 2D otsu, aiming at improving noise-containing image segmentation accuracy. The algorithm includes that firstly wavelet packet is used for decomposing a noise-containing remote sensing image, then adaptive threshold method is adopted to remove noise in the image, and then the two-dimensional histogram of the image is projected onto diagonal, so as to form a one-dimensional histogram with obvious 'double peak' distribution, and finally 2D otsu method is applied for searching optimal segmentation threshold on a line vertical to the diagonal, so as to realize image segmentation. The invention not only effectively removes interference of noise but also obtains better segmentation effect.
AbstractList The invention provides a noise-containing remote sensing image segmentation algorithm which is based on wavelet packet analysis and is combined with improved 2D otsu, aiming at improving noise-containing image segmentation accuracy. The algorithm includes that firstly wavelet packet is used for decomposing a noise-containing remote sensing image, then adaptive threshold method is adopted to remove noise in the image, and then the two-dimensional histogram of the image is projected onto diagonal, so as to form a one-dimensional histogram with obvious 'double peak' distribution, and finally 2D otsu method is applied for searching optimal segmentation threshold on a line vertical to the diagonal, so as to realize image segmentation. The invention not only effectively removes interference of noise but also obtains better segmentation effect.
Author ZHOU TONGCHI
LIU WENJING
JIA ZHENHONG
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Snippet The invention provides a noise-containing remote sensing image segmentation algorithm which is based on wavelet packet analysis and is combined with improved...
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SubjectTerms CALCULATING
COMPUTING
COUNTING
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
PHYSICS
Title New noise-containing remote sensing image segmentation method
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