# Data augmentation and directional feature maps extraction for in-air handwritten Chinese character recognition based on convolutional neural network

> Research article (Pattern Recognition Letters, 2018) · cited 58× · AI/ML

**Wikidata**: [openalex:W2795903550](https://www.wikidata.org/wiki/openalex:W2795903550)  
**Source**: https://4ort.xyz/entity/data-augmentation-and-directional-feature-maps-extraction-for-in-air-handwritten-chinese-character-recognition-based-on-