| 1. | 4 . two ways were used about the error - amending of contour curve 4 )采用两种方法对凸轮轮廓曲线进行了修正。 |
| 2. | We get the continuous contour curve after using active contour model ( gvf snake ) 对于分割后获得的细胞核轮廓利用活动轮廓模型进行了优化,从而获得连续的细胞轮廓曲线。 |
| 3. | A serial of contour points make up of contour curve . contour data on light sectioning is attained by composition of contour curves 一系列的轮廓点就构成了轮廓线,对轮廓线的合成,再经过数据拟合,就得到一个断面的轮廓数据。 |
| 4. | The cam contour curves are reconstructed by nurbs , and a rapid reverse design method for spatial cam follower motion specification via motion simulation is also studied 利用nurbs实现了凸轮轮廓曲线的重构,并给出基于运动仿真实现迅速反求空间凸轮机构从动件运动规律的方法。 |
| 5. | Based on the established theories , the dcss or css image for a given contour curve is transformed into a tree organization , and then corners on the curve are detected in a multiscale sense 基于所建立的理论,可以将给定轮廓曲线的dcss图象或css图象转化为一种树形结构图,并据此检测曲线上的角点。 |
| 6. | The one used the actual locomotor orderliness gained by reverse seeking to amend the contour curve of the cam . the new academic contour curve of the cam and tracks of polar and right angle coordinates of the center of reamer were presented 第一种是根据反求得到的实际从动件运动规律,修正了开牙凸轮轮廓曲线,给出了新的凸轮理论轮廓曲线和刀具中心极坐标轨迹和直角坐标轨迹。 |
| 7. | The other used a similar locomotor orderliness to substitute the original by compare . the new academic and actual contour curve of the cam and tracks of polar and right angle coordinates of the center of reamer were presented , too 第二种是通过与原开牙凸轮机构从动件运动规律相比较,采用一种相似的运动规律来替代原运动规律,也给出了凸轮理论轮廓曲线、实际轮廓曲线和刀具中心轨迹。 |
| 8. | By applying the optimal control theory and using the method of multi - designing points to design the cam contour curve with both good dynamic property and strong parametric anti - disturbance force , and the feasibility of this method was verified by a living example 摘要应用最优控制理论,提出以多设计点法来设计既有良好动态特性且抗参数扰动力强的凸轮轮廓曲线,并以实例验证了该方法的可行性。 |
| 9. | Secondly , to counter contour curve for large sole of rubber overshoes , the way of linear circle arc spline of two dimensions curve fitting has been raised in this paper and autocad has meanwhile been applied in cad / cam integeration system of rubber overshoes mould , and also a whole set of software and hardware technique developed , and the selecting way for optimizing tool path worked out . this way may make nc machining free running minimun 其次,针对胶鞋大底的轮廓曲线,对圆弧样条进行了深入研究,提出了二维曲线拟合的线性化圆弧样条方法;同时将autocad应用于胶鞋模具cad / cam一体化系统中,成功地开发了一整套相应的软硬件应用技术,提出了刀具轨迹优化的动态选择法,以便使nc加工的空行程相对极小化。 |
| 10. | For the image with random field feature , the description language is probability distribution model , and the description length equals the negative base - two logarithm of the probability of the image data ; for the region homogeneity properties of active contour , the description language is chosen as a sign gradient map , and the description length is the summation of sign gradient inside the active contour ; for the active contour regularity , the description language is smoothness , and the corresponding description length is the length of active contour curve 随机场图像的描述语言采用概率分布模型,描述长度是围道内外区域中图像数据概率的以2为底对数的负数;活动围道区域一致性的描述语言为有符号的梯度图,描述长度是围道内区域有符号梯度的总和;围道形态的描述语言采用平滑性,描述长度正比于围道的长度。 |