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논문 기본 정보

자료유형
학술저널
저자정보
Byung-Gil Lee (ETRI) Dong-hee Lim (Hanbat National University) Jin-soo Kim (Hanbat National University)
저널정보
한국정보통신학회JICCE Journal of information and communication convergence engineering Journal of information and communication convergence engineering Vol.15 No.3
발행연도
2017.9
수록면
175 - 181 (7page)

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초록· 키워드

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This paper describes the upgrade of an existing wave information retrieval algorithm by employing noise reduction in the pixel domain. Several algorithms for collecting wave information parameters from X-band radar image sequences including the wind field and current velocity have been developed over the past three decades. Using these algorithms, a band-pass filter (BPF) is applied to remove the non-wave contribution from the image spectra after the sea surface current velocity has been computed. However, such BPF designs have been both complex and insufficient in removing undesired components in Xband radar images. For this study, to improve the performance of wave information retrieval, an efficient noise reduction algorithm is incorporated into a regular wave information retrieval process. That is, the proposed algorithm was designed for operation in a more proper manner by effectively removing the undesired components in the pixel domain. Experiment results demonstrate that the proposed algorithm produces very close estimates to the buoy data records under undesirable noise conditions.

목차

Abstract
I. INTRODUCTION
II. PROPOSED WAVE INFORMATION RETRIEVAL ALGORITHM
III. WAVE SPECTRAL MEASUREMENTS AND PERFORMANCE EVALUATIONS
IV. CONCLUSION
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