但是严重失真的图像也使得后期的处理复杂化，不便于经典的透视相机算法的应用。
But the great distortion makes the post-processing complex, which limits the algorithm applications of classical perspective camera.
提出了一种数码相机拍摄的透视文本图像的校正方法。
A rectification method of perspective document image captured by the digital camera was proposed.
本文提出一种综合多约束的平面透视图像矫正方法，即在不知道任何相机参数的前提下将场景平面的透视图像矫正为度量平面。
A rectification method for perspective images of scene planes using multiple constraints was proposed in this paper without knowing any camera parameters.
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