extracted edges 中文意思是什麼
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The algorithm included three steps : firstly, the text sub - region was selected adaptively according to the feature that the edges contained in text regions was stronger than those in non - text regions ; secondly, the blank bars between two text lines were extracted by blank blocks searching ; thirdly, the skew angle of blank bar was calculated by directional fitting, and this skew angle was just the document skew angle
該方法首先通過對梯度圖像的統計分析，自適應地選取到了包含文字的特徵子區；在特徵子區內，論文把文字行間的空白條帶看作一條隱含的線，用優化理論計算出空白條帶的傾斜角度，這也就是文本的傾斜角度。 -
It introduces an independent edge self - reinforcement algorithm to link edge curves and strengthen the salient edges. according to the reinforced results, the salient edges of the image could be easily extracted, and the image features are thus described by those salient edges
它利用獨立邊界自增強演算法來連結邊緣和增強顯著邊緣，依靠增強后的結果，就能夠較容易地提取圖象中的顯著邊緣，使用顯著邊緣的特徵代表圖象的形狀特徵。 -
Based on the extracted vertical edges, a method for roof boundary extraction in monocular aerial images using line snakes model is proposed. in addition, to detect buildings which have smooth gray - value in roof.,
根據垂直邊緣這一建築物的一般特徵，提出了一種基於單幅影像的直線snakes （又名主動輪廓， activecontours ）建築物輪廓跟蹤方法。
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