Image analysis – Image enhancement or restoration – Variable threshold – gain – or slice level
Patent
1996-06-17
1999-04-27
Moore, David K.
Image analysis
Image enhancement or restoration
Variable threshold, gain, or slice level
382223, G06K 940
Patent
active
058988009
ABSTRACT:
The present invention relates to an image processing apparatus, and more particularly, to a device and method capable of binarizing pixels by removing an isolated point. The pixel binarization method contemplates the steps of: establishing a local window of pixels including a central pixel and a plurality of neighboring pixels; analyzing the neighboring pixels within the local window and detecting a minimum brightness value and a maximum brightness value exhibited by the neighboring pixels; comparing a brightness value exhibited by the central pixel with the minimum brightness value; and determining the central pixel to be an isolated point and outputting the central pixel as a white pixel when the brightness value exhibited by the central pixel is less than the minimum brightness value.
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Brinich Stephen
Bushnell Esq. Robert E.
Moore David K.
Samsung Electronics Co,. Ltd.
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