VLSI chip solution for lossless medical imagery compression

Jack Venbrux; Pen-Shu Yeh; Gregory C. Zweigle; John F. Vesel

doi:10.1117/12.174041

1 May 1994 VLSI chip solution for lossless medical imagery compression

Jack Venbrux, Pen-Shu Yeh, Gregory C. Zweigle, John F. Vesel

Proceedings Volume 2164, Medical Imaging 1994: Image Capture, Formatting, and Display; (1994) https://doi.org/10.1117/12.174041
Event: Medical Imaging 1994, 1994, Newport Beach, CA, United States

Abstract

This paper describes two VLSI implementations that provide an effective solution to compressing medical image data in real time. The implementations employ a lossless data compression algorithm, known as the Rice algorithm. The first chip set was fabricated in 1991. The encoder can compress at 20 Msamples/sec and the decoder decompresses at the rate of 10 Msamples/sec. The chip set is available commercially. The second VLSI chip development is a recently fabricated encoder that provides improvements for coding low entropy data and incorporates features that simplify system integration. A new decoder is scheduled to be designed and fabricated in 1994. The performance of the compression chips on a suite of medical images has been simulated. The image suite includes CT, MR, angiographic images, and nuclear images. In general, the single-pass Rice algorithm compression performance exceeds that of two-pass, lossless, Huffman-based JPEG. The overall compression performance of the Rice algorithm implementations exceeds that of all algorithms tested including arithmetic coding, UNIX compress, UNIX pack, and gzip.

Citation Download Citation

Jack Venbrux, Pen-Shu Yeh, Gregory C. Zweigle, and John F. Vesel "VLSI chip solution for lossless medical imagery compression", Proc. SPIE 2164, Medical Imaging 1994: Image Capture, Formatting, and Display, (1 May 1994); https://doi.org/10.1117/12.174041

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