A High Performance Fully Pipeline JPEG-LS Encoder for Lossless Compression

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概要

• 論文の詳細を見る

• This paper presents the design of a JPEG-LS encoder for lossless image compression. The proposed encoder is mainly composed of a context determination block, a pixel prediction block, a prediction error encoding block, a context update block, a code appending block. All operations are fully implemented using efficient pipeline method to increase a JPEG-LS encoder's throughput for real time applications and the original LOCO-I compression algorithm is not modified to compliant with the standard. The proposed encoder uses forwarding technique and pipeline method to avoid hazards, processing speed of the encoder has increased to 120Mpixels per second. The proposed encoder has been verified by using FPGA implementation. Experimental results show that proposed JPEG-LS encoder is suitable for real time and mobile devices that high speed and low computational cost are a priority.

著者

• Chung Duck-jin

  School Of Information And Communication Eng. Inha Univ.

• Kim Dong-sun

  Department Of Civil And Ocean Engineering Ehime University

• Kim Byung-soo

  School Of Chemical And Biological Engineering Seoul National University

• Kim Byung-Soo

  School of Information and Communication Engineering, INHA University

• Baek Seungkyu

  School of Information and Communication Engineering, INHA University

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