Image registration system and method using cross-entropy optimization
作者： Yang-Ming Zhu
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摘要: An image registration system and method employ a processor (130) for optimal of images (110, 112) by finding spatial orientation optimizing the statistical measure cross-entropy. The cross-entropy is minimized where one or more reasonably good prior estimation true probability density function voxel value pairs are available. Where such an estimate unavailable, joint pdf known incorrect arrangement (e.g., based on misregistrations) used as estimate(s) maximizing found. Likely unlikely estimations can also be together to register images. transformation that optimizes cross entropy provides registration, parameters optimized transform output memory (150) use display (160) in aligning fused composite image.
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