Image enhancement of X-ray film base on mutil-scale retinex

  • Authors:

  • Zhishe Wang;Jilin Wei

  • Affiliations:

  • College of Applied Science, Taiyuan University of Science & Technology, Taiyuan, China;College of Applied Science, Taiyuan University of Science & Technology, Taiyuan, China

  • Venue:
  • AICI'11 Proceedings of the Third international conference on Artificial intelligence and computational intelligence - Volume Part II
  • Year:
  • 2011

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Abstract

View of film system for medical diagnosis was presented. the system which took the cold cathode fluorescent lamps (CCFL) as the background light source, excluded ambient light impact on the concept of film by a light shell , and realized the digital X-ray film through the CCD camera the image information transferred to the computer. The details of hidden areas on some obscure digital X-ray images were enhanced by multi-scale Retinex (MSR) algorithm. With this method, the image contrast enhancement, sharpening and dynamic range compression was achieved at the same time. The information of hidden areas of X-ray image was obviously enhanced. The enhancement technique was compared with other techniques such as histogram equalization, homomorphism filter. The result of experiment shows that the MSR algorithm can overcome the lack of enhancement of traditional digital X-ray method and satisfy the clinic demand.