Method and apparatus for reducing noise in a sequence of...

Details Method and apparatus for reducing noise in a sequence of... Method and apparatus for reducing noise in a sequence of...

2006-04-24

2009-10-06

Kassa, Yosef (Department: 2624)

Image analysis

Image enhancement or restoration

Intensity, brightness, contrast, or shading correction

C382S260000, C382S275000, C358S003260, C358S003270

Reexamination Certificate

active

07599575

ABSTRACT:
A method and apparatus for reduction of noise in an image of a sequence of fluoroscopic images of an object in motion having a differentiation of the pixels of the image between pixels in motion and fixed pixels, and a processing wherein a time filtering operation of the fixed pixels. For each pixel of the image, the differentiation between a pixel in motion and a fixed pixel is performed as a function of the result of a detection of motion during which, in a zone of the image covering a set of pixels in the vicinity of the pixel, the existence or respectively the absence of motion of the object relative to a preceding image is detected.

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patent: 7087021 (2006-08-01), Paternostro
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patent: 0 502 615 (1992-09-01), None

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