A synthetic method for image contour distortion correction

Rui Wang; Jiatian Zhang; Maoyi Wang

doi:10.1117/12.806829

13 October 2008 A synthetic method for image contour distortion correction

Rui Wang, Jiatian Zhang, Maoyi Wang

Proceedings Volume 7127, Seventh International Symposium on Instrumentation and Control Technology: Sensors and Instruments, Computer Simulation, and Artificial Intelligence; 71272M (2008) https://doi.org/10.1117/12.806829
Event: Seventh International Symposium on Instrumentation and Control Technology, 2008, Beijing, China

Abstract

Focused on the problem of distortion correction for those images having simple contour, the synthetic method was described. In advance, without known camera parameters and any known world coordinates point in 3D space, the first order radial distortion coefficient can be estimated based on the fundamental property: a camera follows the pinhole model if and only if the projection of every line in space onto the camera is a line. Then the proposed distortion correction method, which characterized by its fast computing speed and good accuracy, maps not only pixel coordinates but also the grey values between the distortion image and non-distortion image. Several experiments and analysis were performed and presented on this paper. Finally, a comparative analysis about the accuracy and computational load with real data between this new method and the existed methods was put forward.

Citation Download Citation

Rui Wang, Jiatian Zhang, and Maoyi Wang "A synthetic method for image contour distortion correction", Proc. SPIE 7127, Seventh International Symposium on Instrumentation and Control Technology: Sensors and Instruments, Computer Simulation, and Artificial Intelligence, 71272M (13 October 2008); https://doi.org/10.1117/12.806829

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KEYWORDS

Distortion

Cameras

Evolutionary algorithms

3D modeling

Calibration

Detection and tracking algorithms

Visual process modeling

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