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九十年代以来，数字化医学影像设备已得到迅猛发展，数字减影、数字透视和点片技术已日益成熟，特别是第四、第五代ry及磁共振等大型诊断设备，已广泛采用了数字技术。医学影像的数字化是医学影像设备联网和远程诊断技术的基础，而数字化的直接后果就是大规模的数据处理和图象
Since the 1990s, digital medical imaging equipment has experienced rapid development. Digital subtraction, digital perspective and spotting technologies have become increasingly sophisticated. In particular, fourth- and fifth-generation ry and magnetic resonance and other large-scale diagnostic equipment have widely adopted digital technology. The digitization of medical images is the basis for networking and remote diagnostics of medical imaging equipment. The direct consequence of digitalization is the large-scale data processing and images.