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A Compact Implementation Scheme of 1-Dimensional PSDs with Double-Resolution Interpolation
Kunil CHOE Gunhee HAN
IEICE TRANSACTIONS on Electronics
Publication Date: 2006/12/01
Online ISSN: 1745-1353
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Integrated Electronics
position sensitive detector, double resolution, interpolation, CMOS image sensor, pixel array, WTA,
Full Text: PDF(269.6KB)>>
This paper proposes a compact interpolation scheme dedicated to a 1-dimensional position sensitive detector (PSD) with an optical sensing pixel array. The pixels are divided into even- and odd-numbered groups and winner take all (WTA) circuits are provided to each of the groups. The simulated results show that the detecting step-width is reduced to the half of the original one after applying the interpolation scheme.