Character recognition method for power communication machine room dumb equipment signboards

The invention discloses a character recognition method for power communication machine room dumb equipment signboards. The character recognition method comprises the following steps: images of the dumb equipment signboards are extracted, and binarization processing is carried out on the images for obtaining optimized pictures; according to pixel points bonded horizontally in the optimized pictures, the images of each line of characters are sliced; according to pixel points bonded longitudinally in the images of each row of the characters, the image of each individual character is sliced; individual character pictures from an initial row to a termination row form character group pictures, the individual character pictures in the character group pictures are contrasted with sample characters of a signboard feature library, and then identification characters can be ensured and character strings can be obtained according to a contrastive accuracy rate; and the character strings and information sorting items of the signboard feature library are matched, and matching results are displayed and stored into an equipment resource management file. By adopting the character recognition method, manual handling efficiency can be improved. Thus, the character recognition method has wide practical application value and important academic significance on dumb equipment management in an electric system.