Journal of the Institute of Electronics and Information Engineers (전자공학회논문지)

The Institute of Electronics and Information Engineers (대한전자공학회)
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BTC Algorithm Utilizing Compression Method of Bitmap and Quantization data for Image Compression

비트맵과 양자화 데이터 압축 기법을 사용한 BTC 영상 압축 알고리즘

  • Cho, Moonki (Div. of Electronic Engineering, Inha University) ;
  • Yoon, Yungsup (Div. of Electronic Engineering, Inha University)
  • Received : 2012.05.17
  • Published : 2012.10.25
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Abstract

To reduce frame memory size usage in LCD overdrive, block truncation coding (BTC) image compression is commonly used. For maximization of compression ratio, BTC image compression is need to compress bitmap or quantization data. In this paper, for high compression ratio, we propose CMBQ-BTC (CMBQ : compression method bitmap data and quantization data) algorithm. Experimental results show that proposed algorithm is efficient as compared with PSNR and compression ratio of the conventional BTC method.

LCD 오버드라이브에서 프레임 메모리 크기를 줄이는 방법으로, BTC 영상 압축이 널리 사용되고 있다. BTC 영상 압축에서압축률을 높이기 위해서는 비트맵 데이터를 압축하거나 양자화 데이터의 압축이 필요하다. 본 논문에서는 압축률을 높이기 위해서 CMBQ-BTC (CMBQ : compression method bitmap and quantization data) 알고리즘을 제안한다. 시뮬레이션으로 기존의 BTC 알고리즘과 PSNR 및 압축비율의 비교를 통해서, 제안한 알고리즘의 효율성을 확인하였다.

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References

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