利用紋理特徵之影像分割法Method for Image/video Segmentation Using Texture Feature

專利類型

發明

專利國別 (專利申請國家)

美國

專利申請案號

13/456,289

專利證號

US 8,774,502 B2

專利獲證名稱

利用紋理特徵之影像分割法Method for Image/video Segmentation Using Texture Feature

專利所屬機關 (申請機關)

國立成功大學

獲證日期

2014/07/08

技術說明

本發明係關於一種能利用紋理特徵與色彩特徵所分別具有的優點，將一影像訊號分割為複數個紋理色彩特徵區塊之影像分割法。其包括下列步驟：(A)接收一包含複數個影像元素的影像訊號；(B)對每一影像元素依序執行一賈伯濾波程序及一數值運算程序；(C)依據所得之結果，分別賦予每一影像元素一紋理特徵向量；(D)依據每一影像元素之紋理特徵向量，對影像訊號執行一分割程序，使其具有複數個紋理特徵區塊；及(E)依據這些紋理特徵區塊於影像訊號中的分佈，對複數個色彩特徵區塊執行一再分割程序，以將影像訊號分割為複數個紋理色彩特徵區塊。 A method for image/video segmentation, capable of segmenting an image signal for obtaining plural texture color feature regions, by utilizing both of the advantages carried by the texture feature and the color feature is disclosed. The method comprises the following steps: (A) receiving an image signal including plural of image pixels; (B) executing a Gabor filtering process and a magnitude operation process on each of the plural image pixels; (C) designating each of the plural image pixels a corresponding texture feature vector basing on the result of the magnitude operation process; (D) executing a segmentation process on the image signal basing on the texture feature vector of each of the plural image pixels, for obtaining plural texture feature regions; and (E) executing a re-segmentation process on plural color feature regions basing on the distribution of the plural texture feature regions, for obtaining plural texture color feature regions.

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