Ms. Parvin Asadzadeh Birjandi Profile

Parvin Asadzadeh Birjandi

at Univ of Tehran

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Proceedings Article | 23 June 2003 Paper

Novel efficient architecture for JPEG 2000 entropy coder

Omid Fatemi, Parvin Asadzadeh Birjandi

Proceedings Volume 5150, (2003) https://doi.org/10.1117/12.503327

KEYWORDS: JPEG2000, Computer programming, Binary data, Image compression, Data modeling, Discrete wavelet transforms, Sensors, Computer architecture, Multimedia, Image quality standards

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With the continual expansion of multimedia and Internet applications, the needs and requirements of advanced technologies, grew and evolved. With the increasing use of multimedia technologies, image compression techniques require higher performance as well as new features. Significant progress has recently been made in image compression techniques using discrete wavelet transforms. The overall performance of these schemes may be further improved by properly designing of efficient entropy coders. In this paper, we describe an efficient architecture for JPEG2000 entropy coder, which is a new standard to address the needs in the specific area of still image encoding. Our proposed architecture consists of two main parts, the coefficient bit modeler (CBM) and the binary arithmetic coder (BAC), which communicate through a FIFO buffer. Optimizations have been made in our proposed architecture to reduce accesses to memories. Our Proposed architecture is fast and modular and is suitable for real-time applications.

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