Image analysis – Pattern recognition – Feature extraction
Patent
1995-05-15
1998-02-17
Boudreau, Leo
Image analysis
Pattern recognition
Feature extraction
382250, 382266, 382263, 348420, 358433, G06K 948, G06K 936, G06K 946, G06K 940
Patent
active
057199582
ABSTRACT:
The image processing system of the present invention provides electronic edge detection in keeping with ISO/JPEG/MPEG international compression standards for electronic imaging. Specifically, a novel electronic image processing system for edge detection includes: an image acquisition device for acquiring and representing an image as an electronic image signal; a video memory for storing the image signal; a display for displaying the image signal; a raster to block converter for converting the image signal into block format; a DCT/IDCT processor for transforming the converted signal in accordance with predetermined basis matrices stored in a basis matrix memory; a mask multiplier for generating a mask multiplied signal in accordance with predetermined Laplacian matrices stored in an A matrix memory; a buffer for storing the mask multiplied signal; and a controller for controlling the image processing system in accordance with instructions from a central processing unit (CPU).
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Reisch Michael L.
Wober Munib A.
Yang Yibing
Boudreau Leo
Polaroid Corporation
Sabourin Robert A.
Shalwala Bipin
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