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- W1982504210 abstract "본 연구에서는 영상데이터의 효율적인 압축과 전송을 위하여 EZW(embedded Zerotree wavelet)의 개선된 방안을 제안하였다 즉, 하위의 비중요계수들을 중요계수의 종속부호화에 사용함으로써 부호화 효율을 높였으며, 계수를 검색할 때 하위검색으로 미리 부호화하여 부호화시간을 단축하였다. 제안된 알고리즘은 상응하는 아키텍쳐로 설계하였으며, 이의 시뮬레이션을 기존의 EZW방법과 비교한 결과, 약 1dB정도의 PSNR 성능의 개선이 있음을 확인하였다. In this work, an improved method of EZW is suggested for efficient compression and transmission of image data. Here, coding efficiency is accomplished by embedded coding of significant coefficients using lower-level insignificant coefficients, and coding time is decreased by pre-coding of lower-level coefficients in coefficient detection. In simulation of designed architecture, the performance improvement of 1dB PSNR is confirmed compared with the results by the original En method." @default.
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- W1982504210 date "2002-02-01" @default.
- W1982504210 modified "2023-09-26" @default.
- W1982504210 title "Architecture Design of Improve Embedded Encoder for Efficient Image Compression" @default.
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- W1982504210 doi "https://doi.org/10.3745/kipstb.2002.9b.1.083" @default.
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