Fluoroscopic imaging system with image enhancement apparatus and

Details Fluoroscopic imaging system with image enhancement apparatus and Fluoroscopic imaging system with image enhancement apparatus and

1996-04-26

1999-02-16

Hsia, Sherrie

Television

Image signal processing circuitry specific to television

Noise or undesired signal reduction

348627, 348701, 348687, 382265, 382274, H04N 514

Patent

active

058726020

ABSTRACT:
The present invention comprises an apparatus and method for automatically controlling the degree of temporal integration in a real time video image processor. The degree of integration may be determined by a combination of image brightness detected over a specific area of an image and motion detected within specific locations within the image. The apparatus comprises two main components, an integrating processor and integrating controller. The integrating processor receives an incoming analog video signal and converts it in an A/D converter into a series of digital pixel values. These digital pixel values may then be passed through an arithmetic processing unit where each pixel value may be fractionalized and summed with a fractionalized value of a geometrically corresponding pixel or pixels stored in a memory (i.e., temporal or recursive filtration). The sum of these fractionalized pixel values may then in turn be stored in memory as a new pixel values. The new image comprised of these pixel values stored in the memory may then be sent to digital to analog converter and then output to a monitor or video recorder. The amount of recursive filtration may be controlled using a fuzzy logic algorithm using brightness and motion as input vectors.

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