The Journal of the Institute of Television Engineers of Japan
Online ISSN : 1884-9652
Print ISSN : 0386-6831
ISSN-L : 0386-6831
Film-based Motion Picture Digitizing System for Super High Definition Images
Kazunobu KashiwabuchiIsao FurukawaSadayasu Ono
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1994 Volume 48 Issue 10 Pages 1196-1206

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Abstract

This paper describes the configuration and performance of a super high definition (SHD) motion picture film digitizing system. A digitizing system for motion picture film and still picture film was developed by using a CCD line image digitizer that can capture images at a maximum resolution of 4096× 4096 pixels, 12 bits/pixel. Motion picture sequences are obtained on a frame-by-frame basis and with an aperture size of 57×57mm from a 70 mm motion picture film. An SHD image processing software enviroment, IMHO, was developed to provide all the necessary image processing functions and a comfortable user interface. A WYSIWYG color matching method, based on direct color measurement/approximation between the original image and the reproduced image developed for the digitizing system, noticably improved color reproduction in a color matching experiment.

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