Cigarette factory warehousing material box label key information identification method and system

The invention relates to a cigarette factory warehousing material box label key information identification method and system. The method comprises the steps of establishing an original image data set, labeling coordinate information of labels in the original image data set, generating a rotating frame target detection data set, training a rotating frame target detection network, and obtaining a rotating frame target detection model; extracting label images in the original image data set by using a rotating frame target detection model, and establishing a label image data set; inputting the label image data set into a character direction classifier, correcting the label image according to the output angle information, and establishing a corrected label image data set; marking and correcting coordinate information and text information of characters in the label image data set, generating a table recognition data set, training a table recognition network, and obtaining a table recognition model; and performing l