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Developing the Method of Inferring Camera Angle for Paintings and Photos from the Analysis of Vanishing Points
New Phys.: Sae Mulli 2019; 69: 51~57
Published online January 31, 2019;
© 2019 New Physics: Sae Mulli.

Youngseok JHUN*

Department of Science Education, Seoul National University of Education, Seoul 06639, Korea
Correspondence to:
Received October 22, 2018; Revised November 30, 2018; Accepted December 10, 2018.
cc This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Basic research was conducted to introduce perspectives for teaching and learning material to improve the understanding of the process of vision and of light propagation in a straight line. In this study, a method was developed to detect the direction of the eyes of a painter or a camera angle by analyzing the vanishing points of a painting or a photograph. The developed method was verified through calculations under various conditions and through analyses of the photos. In addition, the landscape painting of Canaletto, who is said to have worked using a kind of pinhole camera called a camera obscura, was analyzed by using the developed method. In the analysis, the position and the direction of the device that the painter had installed could be deduced. This study confirmed the possibility of using perspective in elementary and middle school to teach the basic concepts of optics.
PACS numbers: 01.40.-d, 42.15.-i
Keywords: Geometrical optics, Perspectives, Light propagation in a straight line, Camera obscura, Camera angle

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