Vehicle license plate tilt correction approach based on K-L expansion;
车牌倾斜检测与校正是车牌识别的关键技术之一。
For more efficiency recognition, we propose that binarization and tilt correction should be completed in the text regions.
为了更有利于识别,本文还对文本块进行二值化和倾斜校正处理。
For tilted characters only in horizontal direction, even without tilt correction, this method can achieve better segmentation.
这种分割方法对只在水平方向倾斜的字符,即使不经过倾斜矫正,也能达到较好的字符分割效果。
The paper has actual meaning and promotion value, which supply theory and technology guide for building tilt correction by injecting water in collapsible loess.
本文所做的研究工作具有很强的现实意义和推广价值,为湿陷性黄土地区建筑物浸水纠偏提供了理论和技术指导。
For recognition, the front or trailing edge of projection of binary image on horizontal axis basically shows linear shape, so least square theory is applied in tilt correction.
识别过程中,数码管二值化后的图像在水平轴上的投影,其上升沿或下降沿基本呈现直线的形状,尝试把最小二乘法应用于倾斜校正。
Furthermore, the selection of the double telecentric optical system ensures the correction of the trapezoidal distortion introduced by the tilt object surface.
选择双远心光学结构,便于对倾斜物面所产生的梯形畸变进行矫正。
When adaptive optical elements such as deformable mirrors are adopted for intra-cavity aberration correction, the correction for tilt aberration should be considered first.
该方法为腔内像差特性的研究和像差校正提供了一定参考。
The experimental results of low-order modes correction for wave-front error and the enhancement of Strehl ratio in detector and the improvement of wave-front tilt are also established.
通过低阶校正模式波前误差提高了探测器接收光强,并有效校正了波前倾斜。
The results of Strehl ration calculation after low-order modes and tilt part correction at varies atmospheric turbulent intensity and phase spectrum descend efficiency are discussed detailed.
给出了在各种不同大气湍流强度、不同相位谱空间频率的下降因子时,大气湍流相位波前低阶模式完全校正后和倾斜部分校正时的斯特列尔比的计算结果。
The results show that it is very effective to do flat field processing for solar images with tip-tilt mirror. After making flat field correction, the quality of the solar images can be improved.
结果表明,应用高速倾斜反射镜可以非常有效地对太阳像进行平场处理,提高太阳像成像质量。
The results show that it is very effective to do flat field processing for solar images with tip-tilt mirror. After making flat field correction, the quality of the solar images can be improved.
结果表明,应用高速倾斜反射镜可以非常有效地对太阳像进行平场处理,提高太阳像成像质量。
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