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- W3139975268 abstract "Considering the effect on the image measurement system,a distortion calibration method was designed after analyzing the model of lens distortion.The method consists of two steps,namely calibration on the non-linear distortion and calibration on the perspective distortion.In the first step,the non-linear distortion coefficients of the lens were obtained form drawing the multi feature straight lines and straightening the feature lines.With these coefficients,the non-linear of the image was calibrated,and an image without any non-linear distortion was achieved.In the second step,the distortion parameters were obtained through fitting the parallel-line feature of the image.With these parameters,the perspective distortion was calibrated,and an image without perspective was achieved.The experiments and simulations show that the radial and the perspective-distortion relatively error can be reduced to 5% with this method,which can be used in many similar engineering systems based on image measurement and target recognition in non-fixed locations." @default.
- W3139975268 created "2021-04-13" @default.
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- W3139975268 date "2014-01-01" @default.
- W3139975268 modified "2023-09-25" @default.
- W3139975268 title "A Distortion Field-calibrating Method Based on Feature Parallel Lines of Image" @default.
- W3139975268 hasPublicationYear "2014" @default.
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