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脑部数字减影图象增强研究

DOI: 10.11834/jig.200207208

Keywords: 图象增强,图象配准,数字减影血管造影,控制点,样条插值,脑血管疾病,诊断,图象处理

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Abstract:

针对数字减影图象中,因运动引起的图象质量下降问题,提出了一种基于图象配准的数字减影图象增强算法,该算法通过选择合适的控制点和相似测度,采用快速样条插值算法以及鲍威尔优化搜索方法,并用块匹配方法对造影图象和掩膜图象进行配准,实验结果表明,配准后的减影图象质量良好,不仅具有较高的临床诊断价值,并且该算法具有较快的计算速度。

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