Microblog text implicit emotion recognition method fusing multiple features and expression emotion dictionary

The invention discloses a microblog text implicit emotion recognition method fusing multiple features and an expression emotion dictionary, and belongs to an emotion analysis technology in the field of natural language processing, and the method comprises the following steps: 1, collecting and processing data; step 2, distributing corresponding emotion intensity for default expressions in the microblog and establishing an expression emotion dictionary; step 3, extracting character features and Wubi, Zheng codes and Pinyin features in the aspect of shape and sound, and fusing the extracted features; step 4, using a Bi-GRU network to learn semantic information of a deeper level; and 5, calculating the emotion polarity of the text, and obtaining an implicit emotion classification result in combination with the expression emotion dictionary. According to the method, the network words are recognized by fusing Chinese features, the recognition accuracy of words with similar shapes and tones is improved, and the eff