In image recognition, the quality of the image directly affects the design of the recognition algorithm and the accuracy of the effect. In addition to the optimization of the algorithm, the preprocessing technology occupies a very important factor in the entire project.
Each text image is sorted out and handed over to the recognition module for recognition. This process is called image preprocessing. The main purpose is to eliminate irrelevant information in images to restore useful real information, enhance the detectability of relevant information and simplify data to the greatest extent, thereby improving the reliability of feature extraction, image segmentation, matching and recognition. The preprocessing process generally includes steps such as digitization, geometric transformation, normalization, smoothing, restoration and enhancement.
For details, see Image Preprocessing Baidu Encyclopedia . After all, Baidu's artificial intelligence is very popular. Its Baidu Baike should be more authoritative. Hope the mother is strong enough!