An efficient detection of vanishing points using inverted coordinates image space

  • Authors:
  • Kyung-Seok Seo;Jung-Hwa Lee;Heung-Moon Choi

  • Affiliations:
  • Department of Electronics, Graduate School, Kyungpook National University, 1370, Sankyuk-Dong, Buk-Gu, Daegu 702-701, South Korea;Department of Electronics, Graduate School, Kyungpook National University, 1370, Sankyuk-Dong, Buk-Gu, Daegu 702-701, South Korea;Department of Electronics, Graduate School, Kyungpook National University, 1370, Sankyuk-Dong, Buk-Gu, Daegu 702-701, South Korea

  • Venue:
  • Pattern Recognition Letters
  • Year:
  • 2006

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Abstract

In this paper, inverted coordinates image space (ICIS) is proposed as a solution for the problem of the unbounded accumulator space in the automatic detection of the finite/infinite vanishing points in image space. Since the ICIS is based on the direct transformation from the image space, it does not lose any geometrical information from the original image and it does not require camera calibration as opposed to the Gaussian sphere based methods. Moreover, the proposed method can accurately detect both the finite and infinite vanishing points under a small fixed memory amount as opposed to the conventional image space based methods. Experiments are conducted on various real images in architectural environments to show the advantages of the proposed approach over conventional methods.