Rectangular flag bit detection method based on pixel extraction
A technology of pixel extraction and detection method, applied in the direction of instrument, calculation, character and pattern recognition, etc., can solve the problems of reducing program stability, poor compatibility, high demand for printing and scanning, and improve stability and scalability. Effect
Pending Publication Date: 2022-05-31
南京红松信息技术有限公司
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Abstract
The invention relates to a rectangular flag bit detection method based on pixel extraction, and the method comprises the steps: S1, carrying out the image restoration and feature extraction of a collected image, and obtaining an average pooling feature map; s2, performing global flag bit fuzzy search on the averaged pooling feature map obtained in the step S1 by using image features to obtain all flag bits possibly existing in the image; s3, carrying out precise positioning reduction on each zone bit obtained in the image; and S4, returning flag bit information conforming to the standard. The detection method for the rectangular flag bit based on pixel extraction not only meets the requirement of intelligent paper marking, but also can be suitable for different scenes, and the stability and expandability of a program are improved.
Application Domain
Character and pattern recognition
Technology Topic
Computer graphics (images)Feature extraction +3
Image
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