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ITACA: An Irreversible Threshold-based Angiocardiographic Image Compressor and Archiver Based on New Error Limitation Criteria

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Computer Assisted Radiology / Computergestützte Radiologie

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Summary

We defined, implemented and experimented on angiocardiographic static images three new irreversible compression techniques: Brightness Error Limitation (BEL), Pseudo-gradient Adaptive Brightness Error Limitation (PABEL), Pseudo-gradient Adaptive Brightness and Contrast Error Limitation (PABCEL). We applied these techniques to some 168 static images selected from 35mm angiocardiographic films. Considering threshold values limited to maintain all significant clinical informations, we achieved best compression results applying PABCEL method: we obtained a mean compression ratio of about 8:1.Consulted cardiologists did not find significant diagnostic differences between original images and reconstructed ones. The three methods implemented using a C compiler are now collected in a package named ITACA (Irreversible Threshold-based Angiocardiographic images Compressor and Archiver).

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References

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Author information

Authors and Affiliations

  1. Dipartimento di Bioingegneria, Politecnico di Milano, Italy

    F. Pinciroli, C. Combi & G. Pozzi

  2. Divisione di Cardiologia, Ospedali Riuniti di Bergamo, Bergamo, Italy

    G. Invernizzi

Authors
  1. F. Pinciroli
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  2. C. Combi
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  3. G. Pozzi
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  4. M. Negretto
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  5. L. Portoni
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  6. G. Invernizzi
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Editor information

Editors and Affiliations

  1. Institut für Technische Informatik, Technische Universität Berlin, Berlin, Federal Republic of Germany

    Heinz U. Lemke Ph.D.

  2. College of Biomedical Technology, Osaka University, 1 - 1 Machikaneyama, Toyonaka-shi, Osaka 560, Japan

    Kiyonari Inamura Ph.D.

  3. Department of Diagnostic Radiology, Yale University, New Haven, Connecticut, USA

    C. Carl Jaffe M.D.

  4. Universitätsklinikum Rudolf Virchow, Freie Universität Berlin, Berlin, Federal Republic of Germany

    Roland Felix M.D.

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© 1993 Springer-Verlag Berlin Heidelberg

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Pinciroli, F., Combi, C., Pozzi, G., Negretto, M., Portoni, L., Invernizzi, G. (1993). ITACA: An Irreversible Threshold-based Angiocardiographic Image Compressor and Archiver Based on New Error Limitation Criteria. In: Lemke, H.U., Inamura, K., Jaffe, C.C., Felix, R. (eds) Computer Assisted Radiology / Computergestützte Radiologie. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-49351-5_14

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  • DOI: https://doi.org/10.1007/978-3-642-49351-5_14

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-49353-9

  • Online ISBN: 978-3-642-49351-5

  • eBook Packages: Springer Book Archive

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