| 1. | ( 2 ) in interference fringe image processing , propose a new method of skeleton extracting ( 2 )提出一种通过改进的canny算子自动提取全场条纹中心线位置的方法。 |
| 2. | In the thesis , emphases are put on the study of some threshold - based segment techniques and canny operator segment method 在本文中,重点研究了各种阈值分割技术和canny算子分割方法。 |
| 3. | Edge detecting on maximum contrast image of image sequences was done as well , and the results show that effect of canny operator is better 同时对序列图像的最大对比度图像进行边缘检测,结果显示canny算子效果较好。 |
| 4. | The thesis selects canny operator to segment the image because canny operator can provide the gradient orientation angle and it can segment the image efficiently 因为canny算子能够提供梯度方向角,而且其分割效果也较为理想,本文采用了canny算子进行图象分割。 |
| 5. | Firstly , given the seed point of the interesting region , it detects the edge points that has the shortest distance to seed point in some directions , takes these points as the control points to form the initial b - spline active contour 该方法是一种图像两步分割方法,给出位于感兴趣区域内的种子点后,首先用canny算子检测出各个方向上与种子点最近的棱边点,以这些点为控制点,形成初始的b样条活动围道。 |
| 6. | Secondly we use canny arithmetic operators to get the edge of image , and remove the short link of edge then link the edge with small clearance . at last we can calculate the distance of conductor and the width of conductor according to the grade direction to detect of defect of the circuit boards 然后选用canny算子提取导线边缘,并对边缘进行短分支去除和边缘连接处理,最后根据梯度方向来计算导线间距离和导体宽度,以此来判断电路板缺陷。 |
| 7. | There are many methods of edge detection . according to practical task , we choose some classical methods of edge detection including first differential ( roberts operator , sobel operator and prewitt operator ) , second differential ( laplacian operator and kirsch operator ) , log filter and canny operator . they are studied in theory and practice applying 边缘检测有很多方法,根据课题实际背景,选择了几种比较经典的边缘检测方法,即一阶算子( roberts算子、 sobel算子、 prewitt算子) 、二阶算子( laplacian算子和kirsch算子) 、 log算子和canny算子,对他们进行理论和实际应用研究。 |
| 8. | The mendable canny operator based on the linear interpolation is used to pick up the edge of the pointer , the pointers ’ instructive direction is gotten via the circumference chord length detection method proposed by the article , then according to the central angle of pointer relative to the benchmark and conjunctive relation , the right reading is received the database information management system realizes the consumers ’ water fee management 利用基于线性插值的canny算子提取边缘,通过本课题提出的圆周弦长灰度检测法得到指针的指示方向,进而依据指针相对于基准的圆心角和关联关系正确读数。数据库信息管理系统实现对用户用水信息的管理,主要功能分三大模块:一 |
| 9. | Scale space filter can restrain noise and recognize edge reliably in big scale , and can confirm positions accurately in small scale , at last get the true positions of edge by focus processing from big scale to small scale . but traditional canny arithmetic based on guass scale space have shortcomings such as big computing and confirming positions inaccurately 尺度空间滤波能在大尺度下抑制噪声可靠的识别边缘,在小尺度下精确定位,最后由粗及精地进行边缘聚焦而得到边缘的真实位置,但是传统的基于guass尺度空间的canny算子计算量大,定位不够精确。 |
| 10. | Edges of the image are detected out firstly , labeled according to the motion that they obey then and the areas of the frame between edges are divided into regions . at last , using the bayesian framework presented determines the most likely region labeling and depth ordering with the labeled edges 首先使用经典的canny算子检测出一帧图像的边缘,然后对其进行运动估计、边缘和区域标定,再应用最大后验概率的贝叶斯方法搜索出不同区域的极大似然分割,给出不同运动层的相对深度标定。 |