Study on evaluation method of recovery efficiency in low permeability oilfield 低渗透油田采收率评价方法研究
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The method of recovery is built from the principle of the perspective project and the direction of the cylinder ' s axis is recovered 在进行图像恢复的时候,利用图像形成过程中三维空间的透视投影变换规则得到圆柱体投影性质,识别出圆柱体投影图像中实体轴在三维空间中的方向。