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Ye Feng

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Proceedings Article | 14 November 2007 Paper

Application of image fusion techniques in DSA

Feng Ye, Jian Wu, Zhiming Cui, Jing Xu

Proceedings Volume 6789, 67891D (2007) https://doi.org/10.1117/12.751055

KEYWORDS: Image fusion, Wavelets, Blood vessels, Angiography, Wavelet transforms, Medical imaging, Transform theory, Discrete wavelet transforms, Arteries, Image processing

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Digital subtraction angiography (DSA) is an important technology in both medical diagnoses and interposal therapy, which can eliminate the interferential background and give prominence to blood vessels by computer processing. After contrast material is injected into an artery or vein, a physician produces fluoroscopic images. Using these digitized images, a computer subtracts the image made with contrast material from a series of post injection images made without background information. By analyzing the characteristics of DSA medical images, this paper provides a solution of image fusion which is in allusion to the application of DSA subtraction. We fuse the images of angiogram and subtraction, in order to obtain the new image which has more data information. The image that fused by wavelet transform can display the blood vessels and background information clearly, and medical experts gave high score on the effect of it.

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