Journal of Sensor Science and Technology (센서학회지)

The Korean Sensors Society (한국센서학회)
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A New Linear Explicit Camera Calibration Method

새로운 선형의 외형적 카메라 보정 기법

  • Do, Yongtae (Electronic Control Engineering Major, School of Electronic and Electrical Engineering, Daegu University)
  • 도용태 (대구대학교 전자전기공학부 전자제어공학전공)
  • Received : 2013.10.28
  • Accepted : 2014.01.16
  • Published : 2014.01.29
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Abstract

Vision is the most important sensing capability for both men and sensory smart machines, such as intelligent robots. Sensed real 3D world and its 2D camera image can be related mathematically by a process called camera calibration. In this paper, we present a novel linear solution of camera calibration. Unlike most existing linear calibration methods, the proposed technique of this paper can identify camera parameters explicitly. Through the step-by-step procedure of the proposed method, the real physical elements of the perspective projection transformation matrix between 3D points and the corresponding 2D image points can be identified. This explicit solution will be useful for many practical 3D sensing applications including robotics. We verified the proposed method by using various cameras of different conditions.

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References

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