region extraction

An improved algorithm on contour line extraction algorithm based on region growing is presented in this paper. The algorithm uses a look up table to speed up boundary grids of searching speed and to avoid searching all of the grids.

本文在基于区域增长法的基础上提出了一种改进的轮廓线提取算法，该算法采用查找表来加速搜索边界单元，从而避免了搜索所有的网格单元。

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In feature extraction phase, we extract 15 features including color, texture and shape for each region.

特征提取阶段, 对每个区域提取了包含颜色 、 纹理和形状三个方面共十五个特征.

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Then the images at the same time phase in echocardiogram are reorganized according to their corresponsive acquisition angle after the extraction of region of interest.

从滤波后的图象中提取出感兴趣区域后，将其在空间按原始图象获取角度重新组织，并根据多平面经食管图象获取方法的特点，利用三维直接匹配插值算法得到规则体数据。

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In text localization module, taking full advantage of character stroke attribute, the algorithm introduces the stroke operator which has strong response to text regions; subsequently, performs strokes extraction, stroke density filtration and region decomposition to obtain candidate text boxes.

在文本定位模块中，充分利用字符的笔画属性，引入对字符区域有很强响应的笔画算子；经笔画提取，密度过滤，区域分解得到候选文本行。

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This paper mainly introduces attention mechanism, image segmentation and the theory and main methods of extraction salient region, then study the visual salience feature and feature extraction, in the last salient region extraction system based on attention mechanism is introduced.

本文主要介绍了注意力模型、图像分割和显著区域提取的理论以及主要的方法，然后研究视觉注意力特征与提取，最后介绍了一个基于注意力机制的显著区域提取系统。

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The experimental results indicate that the method can achieve automatic extraction of defect region and edge with weak noise disturbance, which lays a good foundation for flaw feature parameter extraction and choice.

实验结果表明，该法很好地实现了缺陷区域及其边缘的自动提取，且受噪声影响很小，为进一步的缺陷特征参量的提取与选择奠定了良好的基础。

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Extraction and Analysis of Lithostratigraphic Information from Landsat Thematic Mapper Imagery in Arid Region

干旱区TM图像岩石地层信息提取与分析方法研究

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Magnetic extraction of energy from transition region of black-hole accretion disk

开放型大尺度磁场对黑洞吸积盘过渡区能量的提取

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Research on image transition region extraction and compression based on cross entropy

基于交叉熵的图像过渡区提取与压缩研究

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A method of salient region extraction based on attention mechanism is designed.

设计一种基于注意力机制的视频显著区域提取方法，并设计了基于注意力机制的视频显著区域提取系统的流程和框架。

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Threshold division and region extraction are used to get salient ship region quickly based on saliency map to lay the foundation for ship identification. 2.

在获得的显著图的基础上，通过阈值分割和区域提取快速获得船只显著区域，为进一步的船只目标识别打下了良好的基础。

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