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22 March 2019 A support system for archiving antique stereographs using a camera
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Proceedings Volume 11049, International Workshop on Advanced Image Technology (IWAIT) 2019; 110490A (2019) https://doi.org/10.1117/12.2521350
Event: 2019 Joint International Workshop on Advanced Image Technology (IWAIT) and International Forum on Medical Imaging in Asia (IFMIA), 2019, Singapore, Singapore
Abstract
Antique stereographs were taken by photographers more than 100 years ago. In general, the antique stereographs are printed to the about 9cm×17cm thick paper and they are distorted due to aged paper surface. To archiving them, their captured images have to be transformed to the original image. In the paper, a user support system for archiving antique stereographs by distorting input image of a stereograph. In our system, a user selects by clicking multiple points at the edge of the image. The input image is divided into small regions based on the points and each small region is transformed to the same rectangle with the known size by a perspective transformation. To obtain small regions all of which are originally the rectangle with the same size, the points obtained by user’s click are interpolated quadratically. To evaluate the correction accuracy of the proposed system, the experimental results are shown.
© (2019) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Tomofumi Dokuni and Ikuko Shimizu "A support system for archiving antique stereographs using a camera", Proc. SPIE 11049, International Workshop on Advanced Image Technology (IWAIT) 2019, 110490A (22 March 2019); https://doi.org/10.1117/12.2521350
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