关于基于FPGA的图像轮廓提取_九九论文中心 关键词：FPGA；边沿检测；Sobel算子；阈值 [gap=707]Keywords：FPGA;Edge detection;Sobel operator;Threshold
基于16个网页-相关网页
According to the result of motion detection, edge detection is performed on the moving region pixels. The moving region is further classified into two areas that are subjected to different appropriate interpolation methods.
根据运动检测结果,先对运动区域的象素点进行边沿检测,然后根据边沿检测的结果采取不同的插值方法。
参考来源 - 数字高清平板电视中去隔行算法的研究及仿真In order to avoid the traditional ELA algorithm′s disadvantage at horizontal edge,the horizontal edge detection is added and the ELA window is increased.
针对传统ELA算法对图像水平边沿处理的不足,添加了水平边沿检测,并加大了ELA窗口,使处理效果得到提升。
参考来源 - 一种改进的运动自适应去隔行算法·2,447,543篇论文数据，部分数据来源于NoteExpress
这些算子使用梯度和梯度的平均值来达到去噪和边沿检测，但忽略了增强图像边沿。
These operators make use of gradient and the mean value of the image gray to minimize noise effect, but ignore to harness the image edge.
为此，采用了以下的处理流程：阶梯图像预处理、阶梯边缘检测、台阶边沿提取。
Therefore, following processing steps are adopted: stair image preprocessing, stair edges detection, step edges extraction.
通过检测A相一个周期的同一边沿，可精确判断其旋转方向，给出了无误差测量的实现方法。
Through detecting the same edge in one period of Phase a to judge its direction of rotation precisely, a method for error-free measurement has been given.
应用推荐