Oblique pixel slide method using optical devices for digital cameras with a single CCD

Tetsuya Kuno; Hiroaki Sugiura; Narihiro Matoba

doi:10.1117/12.426978

15 May 2001 Oblique pixel slide method using optical devices for digital cameras with a single CCD

Tetsuya Kuno, Hiroaki Sugiura, Narihiro Matoba

Proceedings Volume 4306, Sensors and Camera Systems for Scientific, Industrial, and Digital Photography Applications II; (2001) https://doi.org/10.1117/12.426978
Event: Photonics West 2001 - Electronic Imaging, 2001, San Jose, CA, United States

Abstract

This paper presents a new pixel slide method using optical deices for digital still cameras with a single-CCD to achieve high resolution. Authors have developed a new pixel- slide method using a double-refraction plate, a liquid crystal plate and a polarization filter, which takes advantage of the fact that a double-refraction plate has different indexes of refraction depending on the polarization direction. In addition, they have developed a ne color interpolation method to create a highly precise image form two images shifted by 1/2 pixel. The interpolation is conducted utilizing the color correlation. When a VGA- compatible CCD was employed in a digital still camera, resolution of 800 lines was obtained by using the proposed method. When an SXGA-compatible CCD was used, resolution of 1600 lines was obtained.

Citation Download Citation

Tetsuya Kuno, Hiroaki Sugiura, and Narihiro Matoba "Oblique pixel slide method using optical devices for digital cameras with a single CCD", Proc. SPIE 4306, Sensors and Camera Systems for Scientific, Industrial, and Digital Photography Applications II, (15 May 2001); https://doi.org/10.1117/12.426978

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