CAJ | 학술논문

为了进一步提高图像的定位精度，设计了一种基于插值理论的精确定位细分算法．通过多尺度小波变换与三次样条插值相结合，实现了亚像素级的测量．基于多尺度边缘检测的小波边缘检测方法，既能对边缘进行准确定位，又可以有效去除噪声干扰，提高边缘检测的稳定性和准确性．三次样条插值函数是分段插值函数，算法复杂度低、段与段之间连接处平滑、具有快速收敛性和稳定性．将上述两种融合的边缘定位算法，可以对图像进行精确检测和测量，其精度达到0．001个像素．
위료진일보제고도상적정위정도，설계료일충기우삽치이론적정학정위세분산법．통과다척도소파변환여삼차양조삽치상결합，실현료아상소급적측량．기우다척도변연검측적소파변연검측방법，기능대변연진행준학정위，우가이유효거제조성간우，제고변연검측적은정성화준학성．삼차양조삽치함수시분단삽치함수，산법복잡도저、단여단지간련접처평활、구유쾌속수렴성화은정성．장상술량충융합적변연정위산법，가이대도상진행정학검측화측량，기정도체도0．001개상소．
To improve the location accuracy of the image further , a precise location subdivision algorithm based on the interpolation theory was designed .A sub-pixel level measurement is achieved through multi-scale wavelet transform combining with cubic spline interpolation .It can not only accurately locate the edge , but also effectively remove the noise and improve the stability and accuracy of edge detection according to the wavelet edge detection methods of multi -scale edge detection .Here, the cubic spline interpolation function is a piecewise interpolation function , algorithm com-plexity is low, the connection between paragraphs is smooth with fast convergence and stability .The two fused edges location algorithm mentioned above can accurately detect the image with the accuracy of 0.001 pixels.