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[Is telemammography an option for screening programs?--A phantom study].

T Wollenweber1, M Freund

  • 1Institut für Radiologie und Neuroradiologie, Klinikum Aschaffenburg. ThmsWollenweber@aol.com

Rofo : Fortschritte Auf Dem Gebiete Der Rontgenstrahlen Und Der Nuklearmedizin
|August 27, 2005
PubMed
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High-resolution mammography images can be compressed 20-fold using JPEG 2000 wavelet compression without losing diagnostic information. This technique is effective for telemammography screening, ensuring no impact on contrast detail detectability.

Area of Science:

  • Medical Imaging
  • Digital Mammography
  • Image Compression

Background:

  • Telemammography requires efficient image transfer and storage.
  • Digital radiography necessitates methods to reduce data size without compromising diagnostic quality.

Purpose of the Study:

  • To evaluate the feasibility of a 20-fold JPEG 2000 wavelet compression for mammography radiographs.
  • To assess the impact of this compression technique on contrast detail detectability.
  • To determine the utility of this method for telemammography screening.

Main Methods:

  • Digitization and 20-fold JPEG 2000 wavelet compression of CDMAM phantom radiographs.
  • Transfer of compressed data to a Picture Archiving and Communication System (PACS) via ISDN.
  • Comparison of contrast detail detectability between original and compressed datasets using a soft copy workstation.

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Main Results:

  • No discernible difference in contrast detail detectability was observed between the original radiographs and the compressed datasets.
  • The 20-fold JPEG 2000 wavelet compression maintained the diagnostic quality of the mammography images.

Conclusions:

  • JPEG 2000 wavelet compression is a viable method for reducing mammography image data size without loss of diagnostic information.
  • This compression technique can be effectively utilized in telemammography for screening purposes.
  • Digitization, compression, transfer, and decompression of mammography images do not negatively affect contrast detail detectability.