Segmentation driven image noise reduction filter

Details Segmentation driven image noise reduction filter Segmentation driven image noise reduction filter

2005-12-06

2005-12-06

Mehta, Bhavesh M. (Department: 2625)

Image analysis

Image enhancement or restoration

Image filter

C382S274000, C382S275000, C358S003260, C358S463000

Reexamination Certificate

active

06973219

ABSTRACT:
A technique for reducing noise in pixel images includes shrinking a first image and a second, related, image, and processing the first shrunken image with a novel segmentation-based filtering technique which utilizes image data from the second shrunken image to help identify structures within the image. After the structures are identified, the first shrunken image is differentially processed to reduce image noise. After processing, the first shrunken image is enlarged to the dimensions of the initial data, subsequently processed if necessary and the final image is displayed or analyzed. The resulting technique is versatile and provides greatly improved computational efficiency while maintaining image quality and robustness.

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