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US08155466B2 Methods and apparatus for reducing noise in images 有权
降低图像噪声的方法和装置

Methods and apparatus for reducing noise in images
摘要:
A method for enhancing images of an object includes registering a fixed image with cine images of the same object. Next, the fixed image and the cine images are transformed into frequency space representations thereof. A central portion of the frequency space cine images are merged with a peripheral portion of frequency space fixed image using a defined normalized response curve or a predefined normalized response curve (or both) to form a merged image. Finally, the method includes inversely transforming the merged image into enhanced cine images of the object.
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