1) dominant projection
主方向投影
2) Directional Projection
方向投影
1.
Skew detection method for bill image based on directional projection;
基于方向投影的票据图像倾斜检测方法
2.
According to the feature that the Stored-Grain Insects images haven t the obvious lines,a new skew detection method based on directional projection is presented,using Bresenham s integer only line drawing algorithm.
针对无明显的直线特征的仓储害虫图像,提出了一种基于整数Bresenham算法求方向投影值,利用方向投影值检测图像的倾斜角度的方法。
3.
According to the OCR ID Document image containing the OCR character region,a new skew detection method based on the directional projection and the within-group measure of dispersion has been presented.
针对包含有OCR字符区域的OCR证件图象,提出了一种基于方向投影和类内散度的OCR证件图象的倾斜检测算法。
3) projection direction
投影方向
1.
The method changes the multi-index problem into the problem of single projection index and searches the best projection direction with improved harmony search.
利用投影寻踪理论将边坡稳定性评价多指标问题转化为单一投影指标问题,采用改进的和声搜索算法优化投影方向,根据最佳投影值实现在低维空间上的边坡稳定性评价。
2.
Optimization design of scanning measurement in CT is discussed including projection direction and coefficient.
采用正交光路的有限角投影数据重建图像,从投影方向和投影系数两方面对CT扫描测量进行优化设计。
3.
The method changes the multi-index problem into the problem of single projection index and searches the best projection direction with improved harmony search.
利用投影寻踪理论将边坡稳定性评价多指标问题转化为单一投影指标问题,采用改进的和声搜索算法优化投影方向,根据最佳投影值实现在低维空间上的边坡稳定性评价。
4) orientation projection method
方向投影法
5) normal axonometric projection
理想投影线方向
6) directional projection feature
方向投影特征
1.
To address the problem of extracting feature of similar objects,the Radon transform method can extract directional projection features which reserve enough identification information.
针对有细微差异的形似物体的比较提出了用Radon变换来提取能保留足够识别信息的方向投影特征 ,并用小波描述算子对该特征向量进行压缩。
补充资料:主方向
主方向
principal direction
主方向【1劝‘间山m比佣;阴姗oe“皿p~瞅] 正则曲面一点处使得曲面在该点的法曲率(加m司cun么t迎叱)达到极值的切方向.在曲面的每点或有两个主方向,或每个方向都是主方向(在平坦点〔恤t point)和脐点仁洲bili司point)).在前一种情况下,主方向是正交的,共规的,且重合于曲率标形(见加咖标形(Du妙i川iotr认))的轴的方向.若t是一主方向、则成立关系(R仪场g址公式(R喊心祀fonnula))二 V,n=一kVrr这里n是曲面的单位法向量,k是曲面r“r(“,劝沿t方向的法曲率.反之,若等式V:n=又V:r沿某方向t成立,则该方向是主方向.沿主方向的法曲率就是众所周知的主曲率(prizlciPal cun吸t切旧). EB.1场服川撰【补注】 参考文献见主曲率(pnnaPal cun旧加比).
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条