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A Survey of Shape Feature Extraction Techniques - hal. science A Survey of Shape Feature Extraction Techniques Mingqiang Yang, Kidiyo Kpalma, Joseph Ronsin To cite this version: Mingqiang Yang, Kidiyo Kpalma, Joseph Ronsin A Survey of Shape Feature Extraction Techniques Peng-Yeng Yin Pattern Recognition, IN-TECH, pp 43-90, 2008 hal-00446037
DISTORTION MITIGATION TECHNIQUE FOR LIGHTWEIGHT SHIP . . . reduce distortion and eliminate the high rework costs associated with correcting that distortion Complex lightweight panel structures, which are reinforced by long slender stiffeners along with numerous cutouts and inserts, pose a major challenge for distortion control The geometric complexity yields a more complicated buckling behavior,
A distortion image correction method based on machine vision 2 2 Distortion type The distortion can be divided into radial distortion and tangential distortion As shown in the Figure 2, dr is radial distortion and dt is tangential distortion The radial distortion is caused by the change of radial curvature of the optical lens The farther away from the optical center, the larger the
Automatic Lens Distortion Correction Using One-Parameter . . . in: Estimation of the distortion parameter and the most voted lines out: Optimized lens distortion parameter 4 Image distortion correction in: Input image and optimized lens distortion model out: Distortion-free output image obtained using the estimated model Table 1: Summary of the algorithm for lens distortion correction