Comparison of reversible methods for data compression

Volker K. Heer; Hans-Erich Reinfelder

doi:10.1117/12.18937

1 July 1990 Comparison of reversible methods for data compression

Volker K. Heer, Hans-Erich Reinfelder

Proceedings Volume 1233, Medical Imaging IV: Image Processing; (1990) https://doi.org/10.1117/12.18937
Event: Medical Imaging '90, 1990, Newport Beach, CA, United States

Abstract

Widely differing methods for data compression described in the ACR-NEMA draft are used in medical imaging. In our contribution we will review various methods briefly and discuss the relevant advantages and disadvantages. In detail we evaluate 1st order DPCM pyramid transformation and S transformation. We compare as coding algorithms both fixed and adaptive Huffman coding and Lempel-Ziv coding. Our comparison is performed on typical medical images from CT MR DSA and DLR (Digital Luminescence Radiography). Apart from the achieved compression factors we take into account CPU time required and main memory requirement both for compression and for decompression. For a realistic comparison we have implemented the mentioned algorithms in the C program language on a MicroVAX II and a SPARC station 1. 2.

Citation Download Citation

Volker K. Heer and Hans-Erich Reinfelder "Comparison of reversible methods for data compression", Proc. SPIE 1233, Medical Imaging IV: Image Processing, (1 July 1990); https://doi.org/10.1117/12.18937

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