无畸变的 meaning in English

aberrationless
distortionless/orthoscopic
non-distorting
undistorted

In this method , the camera calibration grid for estimating the distortion parameters is easy to get and there is no need to fix the camera when taking pictures
利用交比不变的性质，拟合全视场的无畸变的虚拟网格，得到图像点的偏差，从而计算出畸变系数。
A theory using image local maximum modules , got by wavelet transform , as image feature , is promoted and proved well . finally , using image mosaic technique based on multi - resolution analysis , redundancies between images are eliminated . the whole image produced at last is a much bigger one without seam and distortion
提出了图像边缘局部最大模作为匹配特征的理论，并取得很好的效果；最终通过多分辨分析图像融合技术消除图像间的冗余，并把它们合成为一幅无接缝、无畸变的、大区域图像。