The implementation of CMOS sensors within a real time digital mammography intelligent imaging system: The I-ImaS System

C. Esbrand; G. Royle; J. Griffiths; R. Speller

doi:10.1117/12.835625

6 August 2009 The implementation of CMOS sensors within a real time digital mammography intelligent imaging system: The I-ImaS System

C. Esbrand, G. Royle, J. Griffiths, R. Speller

Author Affiliations +

Proceedings Volume 7384, International Symposium on Photoelectronic Detection and Imaging 2009: Advances in Imaging Detectors and Applications; 73841N (2009) https://doi.org/10.1117/12.835625
Event: International Symposium on Photoelectronic Detection and Imaging 2009, 2009, Beijing, China

Abstract

The integration of technology with healthcare has undoubtedly propelled the medical imaging sector well into the twenty first century. The concept of digital imaging introduced during the 1970s has since paved the way for established imaging techniques where digital mammography, phase contrast imaging and CT imaging are just a few examples. This paper presents a prototype intelligent digital mammography system designed and developed by a European consortium. The final system, the I-ImaS system, utilises CMOS monolithic active pixel sensor (MAPS) technology promoting on-chip data processing, enabling the acts of data processing and image acquisition to be achieved simultaneously; consequently, statistical analysis of tissue is achievable in real-time for the purpose of x-ray beam modulation via a feedback mechanism during the image acquisition procedure. The imager implements a dual array of twenty 520 pixel × 40 pixel CMOS MAPS sensing devices with a 32μm pixel size, each individually coupled to a 100μm thick thallium doped structured CsI scintillator. This paper presents the first intelligent images of real breast tissue obtained from the prototype system of real excised breast tissue where the x-ray exposure was modulated via the statistical information extracted from the breast tissue itself. Conventional images were experimentally acquired where the statistical analysis of the data was done off-line, resulting in the production of simulated real-time intelligently optimised images. The results obtained indicate real-time image optimisation using the statistical information extracted from the breast as a means of a feedback mechanisms is beneficial and foreseeable in the near future.

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C. Esbrand, G. Royle, J. Griffiths, and R. Speller "The implementation of CMOS sensors within a real time digital mammography intelligent imaging system: The I-ImaS System", Proc. SPIE 7384, International Symposium on Photoelectronic Detection and Imaging 2009: Advances in Imaging Detectors and Applications, 73841N (6 August 2009); https://doi.org/10.1117/12.835625

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KEYWORDS

Tissues

Breast

Imaging systems

X-rays

Sensors

X-ray imaging

Digital mammography

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