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Taiho KANAOKA Masanori WATANABE Yoshihiko HAMAMOTO Shingo TOMITA
This letter investigates a criterion of fingerprint image quality. To establish the criterion is very important for developing the more excellent image enhancement technique. As the criterion, this letter proposes a method based on the conception of autocorrelation. From experimental results, it can be shown that the method is basically available for estimating the fingerprint image quality.
A comment on the feasibility of TV-on-the-wall" using flat-panel CRTs is presented along with a discussions of their problems. The flat-panel CRT satisfies the fundamental characteristics required for a color TV in principle, such as the luminance, color quality and the screen size. The important problems, however, are how to achieve a uniform picture and how to fabricate the tube such that the support structure does not affect tube performance.