렌즈왜곡 관련 논문 - 기반 논문: R.Y. Tsai, An Efficient and Accurate Camera Calibration Technique for 3D Machine Vision. Proceedings of IEEE Conference on Computer Vision and Pattern Recognition, Miami Beach, FL, pp. 364-374, 1986. - objective: camera calibration 계산 : find the external parameters (카메라 position과 orientation relatively to a world co-ordinate system) : find the internal parameters (카메라의 principal point or image centre, focal length and distortion coefficients) - 관련 논문: checker board 사용 J. Heikkila, O. Silven, A Four-Step Camera Calibration Procedure with Implicit Image Correction. In Proc. of IEEE Computer Vision and Pattern Recognition, pp. 1106-1112, 1997 Z. Zhang. A flexible new technique for camera calibration.  IEEE Transactions on Pattern Analysis and Machine Intelligence, Vol. 22, No. 11, pp. 1330-1334, 2000 ※ checker board 미사용 논문은 조사 중 ※

pinhole perspective projection model에 기반 11개 parameters 측정 Tsai Camera Model pinhole perspective projection model에 기반 11개 parameters 측정 f - Focal length of camera, k - Radial lens distortion coefficient, Cx, Cy - Co-ordinates of centre of radial lens distortion, Sx - Scale factor to account for any uncertainty due to imperfections in hardware timing for scanning and digitisation, Rx, Ry, Rz - Rotation angles for the transformation between the world and camera co-ordinates, Tx, Ty, Tz - Translation components for the transformation between the world and camera co-ordinates.

Color Correction논문 Global color matching: target image의 color distribution을 reference image에 맞춤 U. Fecker, M. Barkowsky, and A. Kaup, “Histogram-Based Prefiltering for Luminance and Chrominance Compensation of Multiview Video,”IEEE Trans. Circuits and Systems for Video Technology, vol. 18, no. 9, Sep. 2008, pp. 1258-1267. D. Tan, P. Chen, H. Liu, X. Liu, “Application of Color Transferring Base on Reinhard algorithm,” IEEE Proc. Int. Conf. Electronic & Mechanical Engineering and Information Technology, vol. 7, 12-14 Aug. 2011, pp. 3611-3614 X. Xiao and L. Ma, “Color transfer in correlated color space,” ACM Proc. Int. Conf. Virtual reality continuum and its applications, 2006, pp. 305–309. Stereoscopic/multi-view image간의 correspondence 고려 Q. Wang, X. Sun and Z. Wang, “A Robust Algorithm for Color Correction between Two Stereo Images,” Proc. Int. Conf. Asian conference on Computer Vision, 2009, pp. 405-416 . D. G. Lowe, “Distinctive Image Features from Scale-Invariant Keypoints,” Trans. International Journal of Computer Vision, vol. 60, no. 2, Nov. 2004, pp.91-110. C. Doutre, S. Member, P. Nasiopoulos, “Color Correction Preprocessing for Multiview Video Coding,” IEEE Trans. Circuits and Systems for Video Technology, vol. 19, no. 9, 2009, pp.1400-1406.

입체 자막 논문 - Caption insertion method for 3D broadcasting service, 3DTV-Conference 2010

관련특허: Method of displaying a 3D video with insertion of a graphic item and terminal for implementing the method, 2011년 Insertion of 3d objects in a stereoscopic image at relative depth, 2012년