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- The precise edge position is gotten using subpixel edge detection method.Then, center of RRT is localized precisely by ellipse best fitting. 对标志的椭圆影像进行亚像素边缘提取,经最小二乘椭圆拟合后得到标志中心的子像素级位置。
- In scale measurement, we use subpixel edge detection, Hough transform, and LSM to detect and accurately allocate edges on solar cells. 在尺寸量测中,我们利用次像素边侦测、霍氏转换、和最小平方误差法来侦测电池板边缘,利用侦测到的边线来判定破损瑕疵。
- QU Yu-fu, PU Zhao-bang, WANG Ya-ai.Contast study of subpixel edge detections in vision measuring system [J].Chinese Journal of Scientific Instrument, 2003,24(4) supp: 460-462. [6]屈玉福;浦昭邦;王亚爱.;视觉检测系统中亚像素边缘检测技术的对比研究[J]
- Improvement spatial moment subpixel edge detection method 改进的空间矩亚像素边缘检测算法
- The algorithm uses direction masks based on classical Sobel masks in converting gray into gradient images and applies the polynomial interpolation to subpixel edge detecting at the gradient direction of edge on gradient images. 本算法应用在经典Sobel算子基础上构造出的方向模板;对灰度图像进行处理;得到梯度图像;然后在梯度图像上沿目标边缘的梯度方向进行多项式插值法亚像素细分计算;对目标边缘进行亚像素精确定位.
- subpixel edge detection 亚像素边缘检测
- A Fast Subpixel Edge Measurement Method Based on Sobel-Zernike Moment Operator[J]. 引用该论文 曲迎东;崔成松;陈善本;李金权;李庆春.
- Abstract: Zero-crossing edge detection method was analyzed. 文摘:讨论二阶导数过零边缘检测方法。
- Both step edgedetection and ridge edge detection were discussed. 基于无限对称指数滤波器(ISEF)的沈俊算子是阶跃边缘检测一阶最佳算子的定常系数特例,且易于递推实现和便于调整参数,因此,采用沈俊算子进行阶跃边缘的检测。
- Traditional algorithms of image edge detection were analyzed. 摘要分析了传统图像边缘检测算法。
- We first aPply imagesegmentation and edge detection to the source mural image. 首先我们根据图像分割和边沿提取算法对输入的壁画图像进行区域的提取和分割处理。
- Edge detection is one of the fundamental steps on the image processing. 图象边缘检测是计算机图象处理的最基本步骤之一。
- The method of Roberts ,Sobel, Krisch and Gauss Laplace are analysed in image edge detection of pests in stored grain. 在此基础上详细分析了roberts算子、Sobel算子、Krisch算子、高斯-拉普拉斯算子在害虫图像边缘检测中的应用。
- Study on background segment and edge detection of fruit image using machine vision. 水果图像的背景分割和边缘检测技术研究。
- Edge detection is an essential step in image analysis and recognition,and it is an important technology in the image preprocessing procedure. 边缘检测是图像分析识别必不可少的环节,是一种重要的图像预处理技术。
- As Chan-Vese model is based on two homogenous regions,it causes failure in edge detection of infrared images. 然而Chan-Vese模型是以两个同质区域为基础建立的,这并不符合红外图像的特点,导致直接应用该模型处理红外图像时可能失败。
- This method is an organic combo of edge detection, edge growing and region merging. 该方法是边缘检测、边缘生长、区域生长等分割技术的有机结合。
- Considered the existing situation, a new algorithm for edge detection of image based on cellular Automata is proposed. 在已有的基于元胞自动机的图像处理算法基础上,结合元胞自动机和图像边缘的种种特征,提出了一种新的适用于图像边缘检测的元胞自动机模型。
- Abstract A method for edge detection based on adaptive ridgelet transform was proposed. 摘要通过分析现有的一些方法,提出了一种基于自适应脊波变换的边缘检测方法。