灭点 [计][测] vanishing point
- 这种变化可以从两条巷道中线水平间距或者曲线图反映出来,曲线图上的拐点即为小构造出现的位置或尖灭点。
This change may be showed on graph of level or altitude interval. The graph inflexion is the small structure's starting or ending. - 在地震剖面上,该圈闭顶界面具有强振幅、长连续反射及尖灭点位置易于识别的特点。
In seismic profile, the top surface of the trap is characterized by high amplitude, continuous reflectance and easily recognized pinch out. - 介绍一种透视文本图像水平灭点的探测方法,并提出了一种探测垂直灭点的方法。
A method was introduced for horizontal vanishing point detection of perspective document image and a vertical vanishing point detection method is proposed.
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